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38 results about "Sedimentation technique" patented technology

Method for preparing (TiAlZr)N ultra-hard coating by employing multiple arc ion plating

A method for preparing (TiAlZr)N superhard coating by multi-arc ion plating technique sequentially comprises (1) determination of sedimentation technique; (2) determination of target component; (3) preparation of an alloy target; (4) selection and pre-treatment of a workpiece (substrate); (5) acquisition of a transition layer; (6) determination of the number of electric arc sources; (7) heating the workpiece; (8) determination of sedimentation process; (9) baking the film-coated workpiece; (10) workpiece rotation, etc. The invention can form a TiAlZr alloy target and determine the content change ranges of Ti, Al and Zr in the TiAlZr alloy target, so that the TiAlZr)N superhard coating has the advantages of strong adhesion (not less than 180 N), high hardness (not less than HV3,000), etc.
Owner:SHENYANG UNIV

Device and method of residual sludge alkaline fermentation and inner carbon source development technology coupled with A-A-O nitrogen and phosphorous removal system

ActiveCN103663867AMitigate denitrification and denitrificationAlleviate the problem of insufficient carbon source for denitrification phosphorus absorptionTreatment with aerobic and anaerobic processesMultistage water/sewage treatmentActivated sludgeOxygen
The invention discloses a device and a method of a residual sludge alkaline fermentation and inner carbon source development technology coupled with an A-A-O nitrogen and phosphorous removal system, and belongs to the field of environmental protection. Residual sludge is inoculated to an anaerobic fermentation integrated device, an alkali solution is pumped into the anaerobic fermentation integrated device, a blender is started, and the alkali solution is discontinuously fed. A fermented liquid is discharged from the top and goes into an external sedimentation area, at the same time, a certain proportion of nitrification liquid in the A-A-O system is subjected to pre-denitrification denitrogenation in the external sedimentation area of the anaerobic fermentation integrated device, an effluent of the sedimentation area is subjected to N and P recovery in a mid-sedimentation tank, and after the fermentation liquid is subjected to slurry water separation and then goes into the A-A-O system for nitrogen and phosphorous removal treatment; the A-A-O system residual sludge flows back to an internal reaction area of the anaerobic fermentation integrated device. Culture conditions comprise that the temperature is 20-30 DEG C, the pH is 9-10, and the concentration of dissolved oxygen is 0-0.1 mg / L. The problems of low acid production amount of fermentation of activated sludge and insufficient carbon sources in the A-A-O nitrogen and phosphorous removal system are solved. The anaerobic fermentation technology, anaerobic / anoxic / aerobic technology, physical sedimentation technology and chemical sedimentation technology are effectively combined together by the method.
Owner:BEIJING UNIV OF TECH

Apple pection decolouring and white fine powder apple pectin producing process

InactiveCN1775814AAlcoholApple pectin
The invention discloses an apple pectin discolor technique and production white fine apple pectin technique. The technique has improved the traditional production pectin technique that is acid extraction alcohol sedimentation technique. And it exactly controls condition of raw material extraction pre process operation, increases the processing link of acid extraction liquid trash extraction discolor, and adopts the Japanese late macroporous resin HP2MGL layer adsorption column to do dynamic handing to the acid extraction liquid to make the removing rate of the phenols reach over 88%. The high quality pectin powder can be gained by condensing, drying, smashing from the purified extracting solution. And the phenols material that contains phenol over 60% would be gained.
Owner:NORTHWEST A & F UNIV

Manufacturing method for TSV and first layer re-wiring layer needless of using CMP

The invention provides a manufacturing method for a TSV and a first layer re-wiring layer needless of using a CMP. The method comprises the following steps of processing the surface of a substrate, eliminating the protrusions and pits on a surficial metal layer by adopting a mechanical leveling mode for the substrate being finished TSV electroplating filling, thinning the surficial metal layer of the substrate by adopting a wet etching mode or an electrochemical polishing mode, carrying out photoetching to obtain the first layer re-wiring layer, using the remained surficial metal layer of the substrate as a seed layer, and obtaining a re-wiring metal layer through electroplating, removing photoresist, and removing the surficial metal layer of the substrate and a diffusion impervious layer through corrosion to complete the manufacturing of the first layer re-wiring layer. The manufacturing method for the TSV and the first layer re-wiring layer needless of using the CMP has the advantages that after electroplating filling is carried out, the surface is processed by adopting the processing mode of mechanical leveling, then the surface copper layer is thinned, a continuous thin copper layer is remained as the electroplating seed layer of follow-up first layer RDL processing, the CMP technology is avoided, the fact that the diffusion impervious layer and the seed layer sedimentation technique are carried out once more is removed, and process cost can be lowered greatly.
Owner:NAT CENT FOR ADVANCED PACKAGING

Novel Technique to Fabricate Molded Structures Having a Patterned Porosity

The present invention relates to a process for fabricating molded structures having a radially organized pore structure. The molded structures are formed using a spinning-induced sedimentation technique such that sedimentation of a multi-component liquid suspension produces the internal geometry and porosity of the structure. The porous molded structures of the invention can be used in a number of applications including tissue and organ engineering, dialysis and phase separation membranes and water and liquid waste purification systems.
Owner:MASSACHUSETTS INST OF TECH

Mine water treatment technique

The invention discloses a mine water treatment technique. The characteristic of the technique, which is different from other water source treatment techniques, is that a chemical method is first used for carrying out flocculation and sedimentation before biodegradation, and moreover, the flocculation-sedimentation technique is as follows: polyacrylamide accounting for 1 percent to 2 percent of the total weight of mine sewage is first added in a flocculation-sedimentation tank, solid suspending impurities, such as organic pollutant and pulverized coal ash, are sedimentated, aluminium polychlorid accounting for 10 percent to 15 percent is then added in the sediment, the aluminium polychlorid and the sediment are then mixed by a mixer, and react for 3 to 5 minutes, so that flocculent precipitate is formed, a filter press is used for separating out the flocculent precipitate, and after treatment, the obtained water is drained into a regulation tank. The invention has the advantage that the treatment technique integrated chemical flocculation with biodegradation can effectively purify mine sewage.
Owner:NANTONG BEICHEN MACHINERY EQUIP MFGCO

An efficient denitrifying and carbon-removing device for culture wastewater anaerobic biogas slurry with a low C/N ratio and a process thereof

An efficient denitrifying and carbon-removing device for culture wastewater anaerobic biogas slurry with a low C/N ratio and a process thereof are disclosed. The main part of the device comprises four-stage micro-aerobic aeration tanks. Based on a step-by-step water feeding technique, a micro-aerobic aeration technique and a coagulating sedimentation technique, the process which is capable of synchronously coupling denitrification and carbon removing through step-by-step water feeding and micro-aerobic aeration, self-balanced in carbon source, self-balanced in alkalinity, high in efficiency, low in consumption and capable of reaching standards is constructed. The process includes subjecting livestock culture wastewater to solid liquid separation, feeding the wastewater as a resource into a UASB reactor, producing biogas and the biogas slurry through anaerobic fermentation, feeding the biogas slurry with the low C/N ratio and high nitrogen and phosphorus concentrations into a step-by-step water feeding micro-aerobic aeration system (SFAO4), subjecting the biogas slurry to efficient denitrification and carbon removing, continuously feeding biochemical treatment effluent into a coagulating clarifier, performing deep denitrification and phosphorus removing, and discharging after clear water reaches the standards. The device and the method are advantaged by good denitrification and phosphorus removing effects, high resistance to impact load and a low running cost.
Owner:ZHEJIANG UNIV

Treating method for cyanide waste water

The invention discloses a treating method for cyanide waste water. The method comprises three steps of electrochemical treatment, coagulating sedimentation treatment and bioactive carbon treatment; cyanide which is easy to treat is removed through the electrochemical treatment method first; coagulating sedimentation is conducted by adding a zinc sulfate solution and a coagulating agent to remove metal cyanogen complex compounds and heavy metal ions in the waste water; pollutants which are difficult to remove by the chemical methods in the waste water are removed according to a biological and physical adsorption method in the bioactive carbon treating system finally. According to the characteristic that the pollutants in gold mine cyanide waste water are complex and difficult to treat, the method integrates the electrochemical treatment technique, the coagulating sedimentation technique and the bioactive carbon treatment technique together to synergistically conduct advanced treatment on the gold mine cyanide waste water, and is good in treating effect, high in treating efficiency, stable in operation of the system, simple in technological process and convenient to realize industrial application; the treated waste water can be returned to a manufacturing technology process to be used as reused water or discharged after reaching the standard.
Owner:CHANGCHUN GOLD RES INST

Intelligent response control electrical desalting and dewatering electric field device

The invention relates to an intelligent response control electrical desalting and dewatering electric field device belonging to the technical field of crude oil processing. The device comprises an oil inlet distributor and at least two layers of horizontal high-voltage electrode plates, wherein the high-voltage electrode plates are connected with a voltage output circuit controlled by a PLC, the oil inlet distributor is formed by branch pipelines which are mutually isolated, oil inlet spray nozzles are arranged on the branch pipelines and are positioned between the adjacent horizontal high-voltage electrode plates, the ejection direction of the oil inlet spray nozzles is parallel to the horizontal high-voltage electrode plates, and annular electrode plates surrounding the oil inlet spray nozzles are respectively and oppositely extended out on the two adjacent horizontal high-voltage electrode plates, so that a dispersion mixed area positioned between the two opposite annular electrode plates and an accumulating sedimentation area positioned at the periphery of annular electrodes are formed, and the electric-field intensity of the dispersion mixed area is greater than that of the accumulating sedimentation area. The invention realizes the organic combination of an electric dispersion mixed technique and an accumulating sedimentation technique, enables the mixing of crude oil and water droplets to reach a best effect and obviously improves the desalting effect; and compared with the traditional electrical desalting technique, the invention can save water by more than 50%.
Owner:长江三星能源科技股份有限公司

Grit chamber device

The invention discloses a grit chamber device, which belongs to the technical field of environmental protection and relates to a silt sedimentation technique in hydraulic engineering. The invention provides a clock-type grit chamber, which can solve the problem of silt sedimentation in the conventional river channel well. In the grit chamber device, the flow velocity and the flow state of the intake water flow are controlled, so that sand particles are accelerated to be sedimented spirally along the wall of the grit chamber under the action of a centrifugal force and gravity; organic matters drift away along with the water flow under the action of the water flow; the sand sunk to the bottom of the grit chamber is lifted by air; and the sand and a little sewage enter a sand-water separator to be separated and discharged; and cleaning water reflows to a grating well, so that the aim of removing sand is fulfilled.
Owner:何建祺

Method for preparing traditional Chinese medicine preparation for resisting senility

The invention discloses a method for preparing a traditional Chinese medicine preparation for resisting senility, which in particular relates to a method for preparing a traditional Chinese medicine preparation for resisting senility by using a traditional Chinese medicine modern production technology. The method comprises the following steps: adding a flocculation clarifier into an extracting solution after completely extracting crude medicines, such as tuber fleeceflower, cherokee rose flesh, mulberry fruit, wine-braised glossy privet fruit, wine-braised siegesbeckia orientalis grass, wine-braised radix cyathulae and wine-braised Chinese dodder, carrying out solid-liquid separation after standing for a period of time, concentrating into clear paste or thick paste and adding conventional medicinal auxiliary materials to prepare oral liquid, granules, tablets, capsules, concentrated pills or dripping pills and the like. The invention adopts a flocculation clarifying technology or a united centrifugation technology to refine liquor and shortens the sedimentation time; compared with the traditional alcohol sedimentation technique, the invention can reduce the procedure, shortens the production period, saves the raw material of ethanol, lowers the cost and is beneficial for solving the problem of the potential safety hazard of factories.
Owner:JIUZHITANG

Flocculation and sedimentation device for sewage

The invention relates to the technical field of sewage flocculation precipitation, and discloses a sewage flocculation and sedimentation device which comprises a tank body, a driving rod is arranged in the tank body, a driving groove is formed in the surface of the driving rod, a steering groove is formed in the surface of the driving rod, and a sliding seat is arranged outside the driving rod. Atop column is arranged in the sliding seat, a supporting rod is arranged on the surface of the sliding seat, a first gear is arranged on the surface of the supporting rod, a stirring rod is arranged at the end, away from the sliding seat, of the supporting rod, and a toothed rod is arranged in the tank body. According to the sewage flocculation and sedimentation device, through cooperative use ofa second gear and the toothed rod, cooperative use of the second gear and a rotating cylinder, cooperative use of a piston rod and a cylinder body, and cooperative use of an air inlet sliding block and discharging sliding block, a flocculating agent can be intermittently and movably added, the contact area of the flocculating agent and sewage is increased, the flocculating agent is added more uniformly, the adding effect of the flocculating agent is improved, and the flocculating agent and the sewage are fully mixed.
Owner:黄醒立

Preparing method for blood glucose reducing substitute tea prepared by adopting edible plants as components

The invention discloses a preparing method for blood glucose reducing substitute tea prepared by adopting edible plants as components. The substitute tea is prepared from 5-15 g of rhizoma polygonati odorati, 5-15 g of fructus mume, 7.5-22.5 g of rhizoma dioscoreae, 10-30 g of fructus canarli, 7.5-22.5 g of semen zizyphi spinosae, 7.5-22.5 g of fructus lycii, 7.5-22.5 g of mulberry, 10-30 g of rhizoma polygonati, 10-30 g of radix puerariae and 5-15 g of rhizoma imperatae. The tea is prepared from particles prepared by adopting a mixed smashing method or a water extraction and alcohol sedimentation technique or an alcohol extraction and water sedimentation method. The blood glucose reducing substitute tea is convenient to carry and drink good in mouthfeel and readily accepted by people; the tea contains no food additives, hormones and harmful substances and is suitable for being drunk by people with relatively high blood glucose for a long time.
Owner:西宁志培知识产权咨询有限公司

Treating system for cold-rolled heat-rolled waste emulsion

The invention discloses a treating system for cold-rolled heat-rolled waste emulsion. The treating system comprises the following steps: adding an alkaline additive into a reaction tank containing the cold-rolled heat-rolled waste emulsion, performing chemical demulsification process and regulating PH value; putting the solid residue in the reaction tank into a sludge tank, adding coagulant or flocculating agent into the sludge tank, fully reacting and performing filter-pressing treatment; conveying the primarily separated wastewater in the reaction tank into a membrane tube concentrating device and performing physical separation, thereby realizing a physical demulsification process; conveying and returning a concentrated solution separated by the membrane tube concentrating device to a waste emulsion collecting tank and then conveying the waste emulsion in the waste emulsion collecting tank to the reaction tank and circularly treating; conveying the treatment water separated by the membrane tube concentrating device into a PH regulating tank for regulating the PH value to be neutral; treating the treated neutral water according to an anaerobic aerobic technique and a coagulation sedimentation technique, thereby completing the treatment process.
Owner:SUZHOU QINGHEFANG ENVIRONMENTAL PROTECTION TECH

High-efficiency sedimentation basin and process thereof

The invention provides a high-efficiency sedimentation basin and a process thereof. The high-efficiency sedimentation basin comprises a mixing unit, a flocculation unit and a concentration unit which are successively connected, wherein the mixing unit comprises a mixing basin used for carrying out mixing under stirring; the top of the mixing basin is provided with a sodium hydroxide feeding pipe, a ferric trichloride feeding pipe and a heavy metal capturing agent feeding pipe; the flocculation unit comprises a flocculation basin communicated with the mixing basin; the top of the flocculation basin is provided with a powdery active carbon feeding device; the concentration unit comprises a concentration basin communicated with the flocculation basin and is connected with a concentrated water reflux pipeline; and the concentrated water reflux pipeline receives concentrated water conveyed by a CMF membrane system. The high-efficiency sedimentation basin provided by the invention improves conventional high-efficiency sedimentation basin technology, is more applicable to treatment of desulphurization wastewater, can effectively remove fluorides, heavy metal ions (such as arsenic ions, lead ions and chromium ions) and other pollutants produced in wet-process desulphurization through reaction and precipitation, guarantees the operation environment of a subsequent membrane treatment process and produces good environmental benefits.
Owner:上海楚源环保科技有限公司

Magnetic coagulant and preparation method thereof

The invention belongs to the technical field of coagulants, and provides a magnetic coagulant and a preparation method thereof. The preparation method of the magnetic coagulant comprises the followingsteps: (1) sorting fly ash into magnetic fly ash and non-magnetic fly ash; (2) carrying out modification treatment on the non-magnetic fly ash by using a modifier to obtain modified fly ash; and (3)mixing the magnetic fly ash and the modified fly ash to prepare the magnetic coagulant. The magnetic coagulant provided by the invention can be used for removing substances such as colloid, suspendedmatters and organic pollutants in sewage, so that the content of COD in water is reduced, and meanwhile, the problems of over-high magnetic seed production cost, complex process flow and the like in amagnetic coagulating sedimentation technology are solved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Intelligent response control electrical desalting and dewatering electric field device

The invention relates to an intelligent response control electrical desalting and dewatering electric field device belonging to the technical field of crude oil processing. The device comprises an oil inlet distributor and at least two layers of horizontal high-voltage electrode plates, wherein the high-voltage electrode plates are connected with a voltage output circuit controlled by a PLC, the oil inlet distributor is formed by branch pipelines which are mutually isolated, oil inlet spray nozzles are arranged on the branch pipelines and are positioned between the adjacent horizontal high-voltage electrode plates, the ejection direction of the oil inlet spray nozzles is parallel to the horizontal high-voltage electrode plates, and annular electrode plates surrounding the oil inlet spray nozzles are respectively and oppositely extended out on the two adjacent horizontal high-voltage electrode plates, so that a dispersion mixed area positioned between the two opposite annular electrodeplates and an accumulating sedimentation area positioned at the periphery of annular electrodes are formed, and the electric-field intensity of the dispersion mixed area is greater than that of the accumulating sedimentation area. The invention realizes the organic combination of an electric dispersion mixed technique and an accumulating sedimentation technique, enables the mixing of crude oil and water droplets to reach a best effect and obviously improves the desalting effect; and compared with the traditional electrical desalting technique, the invention can save water by more than 50%.
Owner:长江三星能源科技股份有限公司

Initial rainwater treatment process based on super-magnetic coagulating sedimentation technology

The invention discloses an initial rainwater treatment process based on a super-magnetic coagulating sedimentation technology, and belongs to the technical field of urban initial rainwater treatment.The system sequentially comprises a super-magnetic coagulation system and a sludge treatment system; sewage enters a magnetic loading system after passing through a grid, a flocculating agent is addedfirstly, then modified magnetic seeds and a coagulant aid are added, and finally, effluent reaches the standard and flows back to a river channel after the sewage passes through the magnetic loadingsystem; the precipitated sludge is separated from the modified magnetic seeds through a rotational flow recovery system, the modified magnetic seeds are recycled, the sludge enters the sludge treatment system to be compressed and conditioned, then the sludge is dewatered through a dewaterer, the sludge is transported outwards, and filtrate flows back to a water inlet pipeline to be circularly treated. According to the process, a super-magnetic coagulating sedimentation technology is adopted, the use amounts of the modified magnetic seeds, a coagulant and the flocculating agent are reasonably selected, urban initial rainwater is effectively treated, and indexes such as SS, COD and TP reach the first-grade A standard of GB 18918-2002.
Owner:扬州碧蓝水环境治理有限公司

High-efficiency nitrogen and carbon removal treatment process for aquaculture wastewater with low c/n ratio anaerobic biogas slurry

An efficient denitrifying and carbon-removing device for culture wastewater anaerobic biogas slurry with a low C / N ratio and a process thereof are disclosed. The main part of the device comprises four-stage micro-aerobic aeration tanks. Based on a step-by-step water feeding technique, a micro-aerobic aeration technique and a coagulating sedimentation technique, the process which is capable of synchronously coupling denitrification and carbon removing through step-by-step water feeding and micro-aerobic aeration, self-balanced in carbon source, self-balanced in alkalinity, high in efficiency, low in consumption and capable of reaching standards is constructed. The process includes subjecting livestock culture wastewater to solid liquid separation, feeding the wastewater as a resource into a UASB reactor, producing biogas and the biogas slurry through anaerobic fermentation, feeding the biogas slurry with the low C / N ratio and high nitrogen and phosphorus concentrations into a step-by-step water feeding micro-aerobic aeration system (SFAO4), subjecting the biogas slurry to efficient denitrification and carbon removing, continuously feeding biochemical treatment effluent into a coagulating clarifier, performing deep denitrification and phosphorus removing, and discharging after clear water reaches the standards. The device and the method are advantaged by good denitrification and phosphorus removing effects, high resistance to impact load and a low running cost.
Owner:ZHEJIANG UNIV

Treatment method for reactive dye printing and dyeing wastewater

The invention discloses a treatment method for reactive dye printing and dyeing wastewater. The method includes the steps of: firstly discharging printing and dyeing wastewater into a heat preservation precipitator in order, and adjusting the pH to 8-11; then adding a coagulant, discharging the supernatant obtained by coagulation sedimentation and the filter pressed wastewater of precipitate intoa heating and heat preservation reactor lined with a porous ceramic carrier, the surface of which is immobilized with a catalyst, and adjusting the pH of the wastewater to 5.5-6.5; then adding an oxidant, heating the wastewater to 80-95DEG C, and carrying out reaction to a COD of less than 80mg / L. The method firstly uses alkaline coagulation sedimentation technique to substantially remove easily precipitated slurry and macromolecular assistants from the wastewater, and then employs catalytic oxidation technique to remove difficultly precipitated components (including reactive dyes), lowers thecost and improves the oxidation efficiency, also has the characteristics of fast reaction speed, short residence time of wastewater, and high treatment efficiency. The treated wastewater has a COD ofless than 80mg / L and chroma less than 2 times, can be directly reused as rinsing water for scouring and dyeing stages, and has the advantages of high recycling rate, low emission, energy saving and environmental protection.
Owner:WUYI UNIV

An ultra-light, ultra-thin flexible nano-metal/nano-fiber composite film with X-ray shielding properties and its preparation method

The invention discloses a super-light ultrathin flexible nano metal / nanofiber composite membrane with an X-ray shielding property and a preparation method of the super-light ultrathin flexible nano metal / nanofiber composite membrane, and belongs to the technical field of X-ray shielding materials. The preparation method comprises the following steps: by using a method that an electrospinning technique and a metal chemical sedimentation technique are combined, forming nano metal particles which are of specific morphology and are continuously and tightly accumulated on surfaces of organic nanofibers, forming a nanofiber membrane with nano metal sedimentation, overlapping nanofiber membranes layer by layer through hot pressing or with a resin reinforcing agent, thereby obtaining the super-light ultrathin flexible nano metal / nanofiber composite membrane. The density of the membrane is only 5-20% of that of a pure metal, the conductivity of the membrane has anisotropism, the transverse conductivity has properties of metal conductivity, and the longitudinal conductivity accounts for 1 / 10 million of the transverse conductivity. Due to adsorption loss of the nano metal particles, multiple times of reflection of fiber membranes, nano structure scattering and macroscopic structure scattering, incident X-rays are hard to overflow, then effective absorption can be achieved, and X-ray equivalent wide frequency band electromagnetic protection materials of novel full-nano structures with good properties can be prepared.
Owner:吉林省贞靓科技有限公司

The method of treating slaughter wastewater by cstr-coagulation sedimentation-a/o technology

The invention discloses a method for treating slaughterhouse wastewater by adopting a CSTR-coagulation sedimentation-A / O technology. The method comprises the following steps: conveying the slaughterhouse wastewater into a water collecting tank, then conveying to CSTR and carrying out reaction, enabling effluent to automatically flow into a regulating tank, a coagulation sedimentation tank, an A / O reaction tank and a secondary sedimentation tank, carrying out mud-water separation in the secondary sedimentation tank, enabling supernatant to enter a disinfecting tank to be disinfected and discharged after reaching the standard, enabling partial sludge at the bottom of the sedimentation tank to reflux to an anoxic pond, discharging the rest of the sludge into a sludge concentration tank by virtue of a sludge pump, carrying out gravity concentration, dehydrating by virtue of a plate-and-frame filter press, and then transporting outward, so that treatment on the slaughterhouse wastewater is realized. By virtue of the method disclosed by the invention, the slaughterhouse wastewater can be comprehensively treated, so that content of CODcr, BOD, TSS and heavy metals in effluent obtained after the wastewater is treated is obviously lowered; meanwhile, coagulation reaction is carried out by virtue of a coagulator in the invention, heavy metals prepared from waste leather in a slaughter process are utilized for carrying out adsorption reaction, and the problem that the content ofnitrogen, phosphorus, heavy metals, feed organic matters and the like in low-concentration wastewater exceeds standard is well solved.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Display device, array substrate, thin film transistor, and manufacturing method thereof

The invention discloses a display device, an array substrate, a thin film transistor, and a manufacturing method thereof. The thin film transistor comprises a gate electrode layer, a first insulating layer, an active layer, a passivation layer, a source electrode, and a drain electrode layer. The passivation layer comprises a second insulating layer and a third insulating layer. The second insulating layer is close to the active layer and the passivation layer is treated by an atom layer sedimentation technique. A third insulating layer is covered on the second insulating layer is treated by a plasma-enhanced chemical vapor deposition process. Through the above method, the thin film transistor solves a problem of low deposition rate while improving reliability of the transistor, and improves production efficiency.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

A method for anaerobic biodegradation synergistic gradient coagulation and adsorption treatment of artificial stone wastewater

The invention discloses a method for anaerobic biodegradation synergistic gradient coagulation and adsorption treatment of artificial stone wastewater. Firstly, it is treated with coagulation and sedimentation facilities, and then enters an anaerobic reactor to perform anaerobic biological treatment on artificial stone wastewater to remove part of organic pollution. material; optimize coagulation and sedimentation technical parameters, connect multi-stage coagulation and sedimentation facilities for treatment, and follow-up adsorption. In the EGSB reactor, domesticated beer wastewater anaerobic sludge is used to treat the effluent after adsorption, and the artificial stone processing wastewater is thoroughly treated. After three-stage coagulation, adsorption and biological treatment, the SS of the wastewater supernatant was 4.52mg / L, the turbidity was 5.9NTU, and the COD was 26.18mg / L; the removal rate of SS reached 99.77%, and the removal rate of turbidity reached 99.49% %, the COD removal rate is 99.08%; the effluent COD reaches the comprehensive sewage discharge standard. The technical scheme of the invention has the advantages of simple process, good treatment effect and the like, and is suitable for popularization and application.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Heavy medium material for enhancing coagulation-adsorption synergistic effect and preparation method thereof

The invention discloses a dense medium material for enhancing coagulation-adsorption synergistic effect and a preparation method thereof, and the preparation method comprises the following steps: 1) adding a ferric salt solution into a graphene oxide suspension, and uniformly stirring to form a first solution; and 2) adding hydrazine hydrate into the first solution, uniformly stirring, heating to 90-100 DEG C, adding an ammonium carbonate solution, keeping the temperature for 2-4 hours, centrifuging, washing, drying and annealing to obtain the dense medium material for strengthening the coagulation-adsorption synergistic effect. The magnetic heavy medium can be used as a magnetic heavy medium core and an adsorbent at the same time, and has a heavy medium enhanced coagulation effect on suspended pollutants in water and an adsorption effect on soluble organic matters, and the application efficiency of a coagulating sedimentation technology in water treatment is further improved through the cooperation of the two. The preparation method is simple, feasible, low in production cost and high in yield, and the prepared material is high in stability and reusable and has the potential of being widely applied to industrial production.
Owner:华能陇东能源有限责任公司 +1

Light guide plate substrate and manufacturing method thereof

The invention provides a light guide plate substrate and a manufacturing method thereof. The light guide plate substrate comprises a fixing layer and a technological layer obtained by using a mother substrate for conducting sedimentation and detachment through the sedimentation technique, wherein the mother substrate has the same surface features with a light guide plate, the technological layer comprises a technological face and a fixing face which are opposite, the technological face is used for processing the light guide plate, and the fixing face is used for fixing the technological face to the fixing layer. By means of the light guide plate substrate and the manufacturing method thereof, only the mother substrate having the same surface features as the light guide plate needs to be obtained through the technology of laser engraving or mechanical impact or the like; compared with the light guide plate with convex diffusion point patterns, the mother substrate with concave diffusion point patterns is low in design and processing difficulty, in other words, the mother substrate having the same surface features as the light guide plate is used for conducting the processing such as sedimentation processing to obtain the light guide plate substrate, and thus the design and processing difficulty of the light guide plate substrate is lowered.
Owner:SHENZHEN TECHASER TECH

Manufacturing method for TSV and first layer re-wiring layer with no need of CMP

ActiveCN103456685BEliminate local flattening issuesSavings in deposition processSemiconductor/solid-state device detailsSolid-state devicesSedimentation techniqueDiffusion barrier
The invention provides a manufacturing method for a TSV and a first layer re-wiring layer needless of using a CMP. The method comprises the following steps of processing the surface of a substrate, eliminating the protrusions and pits on a surficial metal layer by adopting a mechanical leveling mode for the substrate being finished TSV electroplating filling, thinning the surficial metal layer of the substrate by adopting a wet etching mode or an electrochemical polishing mode, carrying out photoetching to obtain the first layer re-wiring layer, using the remained surficial metal layer of the substrate as a seed layer, and obtaining a re-wiring metal layer through electroplating, removing photoresist, and removing the surficial metal layer of the substrate and a diffusion impervious layer through corrosion to complete the manufacturing of the first layer re-wiring layer. The manufacturing method for the TSV and the first layer re-wiring layer needless of using the CMP has the advantages that after electroplating filling is carried out, the surface is processed by adopting the processing mode of mechanical leveling, then the surface copper layer is thinned, a continuous thin copper layer is remained as the electroplating seed layer of follow-up first layer RDL processing, the CMP technology is avoided, the fact that the diffusion impervious layer and the seed layer sedimentation technique are carried out once more is removed, and process cost can be lowered greatly.
Owner:NAT CENT FOR ADVANCED PACKAGING CO LTD

Method for preparing traditional Chinese medicine preparation for resisting senility

The invention discloses a method for preparing a traditional Chinese medicine preparation for resisting senility, which in particular relates to a method for preparing a traditional Chinese medicine preparation for resisting senility by using a traditional Chinese medicine modern production technology. The method comprises the following steps: adding a flocculation clarifier into an extracting solution after completely extracting crude medicines, such as tuber fleeceflower, cherokee rose flesh, mulberry fruit, wine-braised glossy privet fruit, wine-braised siegesbeckia orientalis grass, wine-braised radix cyathulae and wine-braised Chinese dodder, carrying out solid-liquid separation after standing for a period of time, concentrating into clear paste or thick paste and adding conventionalmedicinal auxiliary materials to prepare oral liquid, granules, tablets, capsules, concentrated pills or dripping pills and the like. The invention adopts a flocculation clarifying technology or a united centrifugation technology to refine liquor and shortens the sedimentation time; compared with the traditional alcohol sedimentation technique, the invention can reduce the procedure, shortens theproduction period, saves the raw material of ethanol, lowers the cost and is beneficial for solving the problem of the potential safety hazard of factories.
Owner:JIUZHITANG
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