39results about How to "Less waste" patented technology

The invention relates to an ultrafine-grinding assisted enzymatic-hydrolysis based preparation method of wheat bran oligosaccharides. The wheat bran oligosaccharides are prepared by adopting the ultrafine grinding technology and the composite enzymatic hydrolysis technology by mainly taking wheat bran as a raw material. The ultrafine-grinding assisted enzymatic-hydrolysis based preparation method of the wheat bran oligosaccharides comprises the following steps: degrading starch in the wheat bran by using a high-temperature resistant alpha-amylase and glucoamylase, and degrading proteins in the wheat bran by using alkaline proteases; then hydrolyzing celluloses and hemicelluloses in the wheat bran by using cellulases and xylanases; and concentrating a supernatant by enzymatic hydrolysis, and drying to obtain the wheat bran oligosaccharide. The wheat bran is treated by adopting the ultrafine grinding technology so that the cell wall structure is destroyed, starch and proteins in the wheat bran are degraded by adopting a complex enzyme system, and celluloses and hemicelluloses in the wheat bran are hydrolyzed by using enzymes, thus the wheat bran oligosaccharides including five-carbon oligosaccharides and six-carbon oligosaccharides can be prepared, the utilization rate of a variety of components in the wheat bran can be increased, the generation of wastes can be reduced, and the pollution to environment can be reduced.

The invention discloses a method for generating calcium hydrogen phosphate and sodium nitrate through nitric acid decomposing phosphate ore. The technique is that the nitric acid is used for decomposing the phosphate ore, mirabilite is used for removing calcium, and limestone powder and lime milk are used for neutralizing and preparing feed calcium hydrogen phosphate as well as co-producing the sodium nitrate, so the technique comprises 6 production processes: the nitric acid is used for decomposing phosphate ore powder, the sodium nitrate is added to remove fluoride, and the mirabilite is added to obtain dihydrate gypsum through double decomposition; besides, the limestone and lime milk are used for respectively preparing fertilizer grade and feed grade calcium hydrogen phosphate through neutralization precipitation, and then soda is used for removing impurities such as calcium, magnesium, etc., through neutralization and purification, crystal is distilled to prepare the sodium nitrate. The technique method provided by the invention can not only prepare the feed calcium hydrogen phosphate product and the sodium nitrate product, but also have byproducts such as high-quality dihydrate gypsum, the fertilizer grade calcium hydrogen phosphate and sodium fluosilicate; meanwhile, the invention does not consume sulfur resources, discharge little waste and can be treated easily; furthermore, the invention develops a technique line to prepare various chemical products for areas lacking the sulfur resources by using phosphate ore resources, and has good economic and environmental protection benefits.

The invention relates to a determination method of serum total bile acid, which is characterized in that: bile acid is collected by a capillary electrophoresis serum sample, bile acid in a column-end detector cell is dehydrogenated through the catalysis of steroid dehydrogenase (3 alpha-HSD) with the coexistence of oxidized coenzyme I (NAD) +, and NAD + is reduced to nicotinamide adenine dinucleotide I (NADH); and the generated NADH is oxidized to NAD + by tris (bipyridine) ruthenium (Ru (bpy) 32 +) under the action of constant potential, simultaneously photon is released and recorded, thereby determining total bile acid in a conventional way. The method of the invention significantly reduces the amount of expensive enzyme reagent, chemical reagent and biological sample, decreasing the waste liquid, remarkably improving the sensitivity, and realizing the rapid determination of discontinuous batch of clinical samples.

The present invention relates to a system and a method of a printing circuit wafer before a typesetting. First, a database storing a computational formula for calculating out the waste value of the baseplate stuffs is established. After the sizes of multiple baseplates, a single printing circuit wafer and the specifications in cutting are inputted through an input module, the waste values of the corresponding baseplate stuffs are worked out through a calculating module based on the computational formula as well as the input sizes of multiple baseplates, the single printing circuit wafer and the specifications in cutting, and finally the minimum value of the waste values of the multiple baseplate stuffs is found out through a contrasting module, and then the size of the baseplate, which is corresponding to the minimum value of the waste values of the multiple baseplate stuffs obtained by the contrasting module, is outputted through an output module to carry out a typesetting program, thereby reducing the manufacturing cost of a typesetting and improving the work efficiency as well.

The invention relates to a method for preparing acid-soluble titanium slag by high titanium slag through microwave irradiation, which comprises the following steps: pulverizing high titanium slag, oxidizers (either sodium nitrate or ammonium nitrate or a mixture of the sodium nitrate and the ammonium nitrate) and calcium oxide or calcium carbonate; adopting microwave irradiation for heating after mixing the ingredients; carrying out modification at the high temperature; converting and reconstructing rutile type or anatase type TiO2 and FeTiO3 in the slag into CaTiO3 mineral phases; after cooling, obtaining acid-soluble titanium slag raw materials suitable for preparing titanium pigments by a sulfuric acid method; curing the acid-soluble titanium slag by sulfuric acid; and leaching the acid-soluble titanium slag by water at a leaching rate between 95.8 and 96.2 weight percent.

The invention relates to a green microfiber fabric and a manufacture process thereof, and belongs to the technical field of top-grade textile fabric. The green microfiber fabric consists of 37-island figured sea-island staple fiber and water-base resin, wherein the 37-island figured sea-island staple fiber accounts for 50 to 80 percent by weight, and the rest is the water-base resin; or the green microfiber fabric consists of 64-island figured sea-island staple fiber and water-base resin, wherein the 64-island figured sea-island staple fiber accounts for 65 to 80 percent by weight, and the rest is water-base resin. The manufacture process does not use polyvinyl alcohol (PVA) and dimethylformamide (DMF) and has characteristics of no toxic substance residue; moreover, a great amount of water is saved, the energy consumption is controllable, the produced green microfiber fabric is excellent in real-leather feeling, high in color fastness, and the physical performance of the produced green microfiber fabric is better than that of the real leather.

A cartridge is provided having at least one reception chamber (2), which extends in the longitudinal direction, for a medium to be dispensed, having a head part (4), a base part (6) and a cartridge wall (3) which bound the reception chamber (2), with the head part (4) having an outlet (5) for the medium. The cartridge wall (3) is designed as a film (3), the head part (4) and the base part (6) in each case as fixed shape parts and the head part (4) is sealingly and non-releasably connected to the cartridge wall (3). A multicomponent cartridge is furthermore provided by the invention.

The invention discloses a method for purifying and disposing low-medium radioactive degradable PVA products. The method comprises steps of dissolution, degradation, filtering, nuclide detection, COD advanced treatment, COD detection. In order to reduce problems of storing and stacking nuclear power industry protective equipment, and overcome defects of existing related treatment technology, the invention provides a method for realizing harmless, volume-reducing and weight reducing treatment of low-medium radioactive degradable PVA products in a nuclear power industry through dissolution, degradation, and advanced treatment and other ways. The method can reduce waste amount generated during building and operation periods of the nuclear power industry, and reduces and even puts an end to damages radioactive elements may cause to environment and society.

The invention provides an ink-jet printing machine sprayer cleaning device and a control method thereof. The cleaning device comprises a first adaptive pipe connector, a second adaptive pipe connector, a third adaptive pipe connector, a fourth adaptive pipe connector, a cleaning solution filter, a pump, a backpressure pipe, an air filter, an air pressure switch, an atomizing nozzle, a cleaning solution tank, a first liquidometer, a collection groove, a waste solution recycling tank, a second liquidometer and a control device. By arranging the different adaptive pipe connectors, the ink-jet printing machine sprayer cleaning device can be suitable for different factories to produce ink-jet printing machines, universality is high, printing machine sprayers and other components are automatically washed, the washing process is conducted in a closed mode, waste cleaning solutions are automatically collected, generated waste liquid is little, manual work is not needed, and safety and high efficiency are achieved.

The utility model provides an intelligent card module, comprising a carrier tape and a chip packaging module. The carrier tape comprises a carrier tape insulation base material with the panel provided with a plurality of through holes, wherein the inner wall of each through hole and two end surfaces of the peripheral carrier tape insulation base materials are all provided with a catalyzed printing ink line layer, and the outside of the catalyzed printing ink line layer is provided with a copper line layer to from carrier tape function pads and carrier tap pads of the carrier tap which are conductive; the chip packaging module comprise a chip and a carrier; the function pads of the chip are correspondingly conducting with the function pads of the carrier; the function pads of the carrier are correspondingly conducting with the function pads of the carrier tape. According to the utility model, the chip packaging module and the carrier tape are combined in a welding mode to form an intelligent card module; compared with an intelligent card module prepared by traditional process, the intelligent card module of the utility model has better environmental protection effect and simpler process and generates less waste materials and pollution in production process; in addition, the intelligent card module keeps the performance effect of a traditional intelligent card module, and meanwhile greatly reduces raw material cost, production cost and maintenance cost.

The invention provides a synthetic method of tazobactam diphenylmethyl ester. The synthetic method comprises the following step: under the action of a catalyst, a compound A and hydrogen peroxide aresubjected to an oxidation reaction to obtain the tazobactam diphenylmethyl ester (the synthetic route is as follows). In the synthetic method provided by the application, the hydrogen peroxide is usedas an oxidant, and the only by-product is water, so that on the one hand, the generation of waste solids can be greatly reduced, the amount of three wastes is greatly reduced, and the environment-friendly performance of the process is improved, and on the other hand, since the reaction by-product is only water, the synthetic method is adopted to facilitate improvement of the purity of a tazobactam diphenylmethyl ester product. Besides, the synthetic method has the advantages that the purity of the product can reach 98%, the post-treatment operation is simple, the separation yield is as high as 95.7%, and amplified production is easy.

The invention relates to a novel kitchen waste treating system and a utilizing method. The novel kitchen waste treating system comprises a pretreating system, a worm breeding system and a rear end treating system; the pretreating system comprises a storage bin, a big roller sorting machine, a metal detecting machine, a big material conveying screw, a shredder, a small roller sorting machine and ascrew under a small roller sorting sieve, which are connected with each other in turn; the worm breeding system comprises a stirring blender which is used for mixing the materials from a temporary liquid storage tank and a temporary slurry storage tank; an automatic dosing machine is connected with a discharging end of the stirring blender; a dosing conveying pipeline is arranged on the automaticdosing machine; a worm breeding slot is connected with an outlet end of the dosing conveying pipeline; the rear end treating system comprises a frass rotary sieve; a frass separating section, a worm separating section and a waste separating section are arranged in the frass rotary sieve. The novel kitchen waste treating system has the advantages that the degree of automation from the early pretreating to rear end treating is 95% or above and the additional value of the end product is ultrahigh, through the combination of a scientific and reasonable treating system and a full-automatic process,under the support of precise instruments.

The invention discloses a method for reclaiming organic acid from organic solvent in chemical mass transfer separation technology field. the organic solvent loaded with organic acid is mixed with aqueous solution of the organic acid salt and they are produced into latex liquid, then the latex and the aqueous solution containing the organic acid enters the negative chamber and positive chamber of the electrodialysis device, it realizes the synchronous extraction and condense of organic acid in the aqueous solution through electric transfer and electrode reaction. Compared with current technology, it has a high energy utilization rate, and low cost and side product.

The invention provides a non-inflatable tire which comprises a rim part, a spoke part and a tread part. The spoke part is arranged on the radial outer side of the rim part. The tread part is arranged on the radial outer side of the spoke part. The tread part is provided with a tread layer and a buffer layer arranged on the inner side of the tread layer. The tread layer comprises a tread belt, and the two ends of the tread belt are in butt joint to form the tread layer. According to the non-inflatable tire, a tread is replaced after being worn out, tire recycling is achieved, the low-cost demand of the market is met, waste is reduced, and the service life of the tire is prolonged.

The invention discloses a preparation method of monodisperse magnetic polystyrene microspheres, microspheres prepared by the preparation method and application of the microspheres. The preparation method comprises the following steps that: seed microspheres are prepared by a solution polymerization method; porous crosslinked polystyrene microspheres are prepared by swelling polymerization; nitro porous crosslinked polystyrene microspheres are prepared under acidic conditions; finally, through an in-situ reaction, the microspheres in the previous step is mixed with inorganic salt with ferrous ions, an initiator and ammonia water for reaction, and performing centrifugal cleaning to obtain the monodisperse magnetic polystyrene microspheres. In the preparation process, the usage amount of an organic reagent and the amount of wastes are less than those in the prior art; and the prepared magnetic polystyrene microspheres have the advantages of monodispersity, low sedimentation rate, high magnetic separation speed and mild separation conditions.

The invention discloses a waste liquid collection device for solid waste. The waste liquid collection device for solid waste comprises a main body, a feeding mechanism and a control box, wherein a first hydraulic cylinder is arranged on the upper end of the main body; a telescopic rod of the first hydraulic cylinder is arranged inside the main body; a pressing plate is arranged at the end of the telescopic rod of the first hydraulic cylinder; a feeding port is formed in one side, close to the first hydraulic cylinder, of the upper end of the main body; the bottom of the inner side of the mainbody is divided into a liquid collecting cavity and a material collecting cavity by fixedly arranging a division plate; a second hydraulic cylinder and a third hydraulic cylinder are arranged at the bottom of the liquid collecting cavity; a bearing plate is arranged at the ends of the telescopic rods of the second hydraulic cylinder and the third hydraulic cylinder through pin shafts; a movable plate is arranged on the upper surface of the bearing plate through compression springs; a weight sensor is arranged on the upper surface of the movable plate; and a discharging port is formed in one side of the lower end of the material collecting cavity of the main body. The waste liquid collection device greatly reduces waste liquid in the waste and improves the collection effect of the waste liquid.

The invention discloses a polyvinyl ether synthesis method. The method comprises the steps that polyvinyl alcohol is dissolved in water, strong acid cation exchange resin and phase transfer catalyst are added, then, methylbenzene or paraxylene and corresponding alcohol are added, heating is carried out at the temperature of 110-140 DEG C, and backflowing and water diversion are carried out. After a reaction is finished, the system carries out cooling and filtering, organic layer saturated salt water washing is carried out, distillation is carried out, and a methylbenzene or paraxylene solution with 40-80% of polyvinyl ether is obtained. The cation exchange resin and the phase transfer catalyst can be recycled, so that waste is effectively reduced, and environmental protection is achieved. The obtained product is high in purity and has competitive advantages.

The aerosol-generating article (1) for use in an electronic aerosol-generating device (8) comprises an aerosol-forming substrate, wherein the aerosol-generating article has a shape comprising a hollowfrustum with an open base (10). An aerosol-generating system (8) comprising such an aerosol-generating article (1) comprises a heating element (2) having a shape comprising a frustum, wherein a height of the heating element (2) corresponds to a height of the aerosol-generating article (1).

The invention discloses a method for recovering zinc in a waste galvanized sheet. The method comprises the following steps: a, reacting the waste galvanized sheet with an acid solution to dissolve zinc in the waste galvanized sheet in a leaching solution in a zinc salt form; b, enabling the leaching solution to react with an oxidizing agent, enabling a reaction product to react with phosphoric acid to enable ferrous iron in the leaching solution to form ferric phosphate precipitate, and removing the ferric phosphate precipitate to obtain a primary pure solution; c, reacting the primary pure solution with carbonate to obtain zinc carbonate precipitate; d, reacting the zinc carbonate precipitate with dilute sulfuric acid to obtain a zinc sulfate solution; and e, carrying out electrodeposition on the zinc sulfate solution to obtain the high-purity zinc.

A toner cartridge includes a cylinder, a transmission member fixedly sleeved onto the cylinder, and a covering member sleeved onto the transmission member. The transmission member has a base pipe portion, a gear ring provided on the periphery of the base pipe portion and engaged with a driving gear of an electronic imaging device, and a protruded portion provided on the periphery of the base pipe portion. The peripheries of the protruded portion and the base pipe portion form a circumferential surface, so that a sensor in the electronic imaging device can sense positional variation of the circumferential surface during rotation of the transmission member. The sensor senses the pass of the protruded portion once in every revolution of the rotation of the transmission member. Therefore, the residual powder in the toner cartridge, which should be replaced according to an alarm of the electronic imaging device, is reduced.

A configurable build volume system for a powder bed fusion manufacturing process includes a chamber wall defining a chamber, the chamber wall extending in the X-, Y-, and Z-axis directions, a plurality of build platforms enclosed within the chamber, a plurality of adjustment mechanisms coupled to the plurality of build platforms such that each build platform is coupled to a separate adjustment mechanism, a sensor mounted within the chamber and configured to capture data regarding a Z-axis position of each of the plurality of build platforms, and a controller in electronic communication with the plurality of adjustment mechanisms and the sensor. The controller receives the Z-axis position data and generates a plurality of control signals to adjust a Z-axis position of each of the plurality of build platforms and each of the plurality of build platforms is actively and independently controlled by the controller.

The invention provides a waste mobile phone recovery system. An EPR system is introduced to design the waste mobile phone recovery system. The system comprises: a system management module used for performing individual or enterprise basic information maintenance on user names and passwords of an individual, a third-party logistics provider and a manufacturer to log in an APP; an information management module mainly used for managing and storing order information, enterprise information and waste investor information in a reverse logistics system, wherein the information management module can add an information disclosure function to ask the third-party logistics provider and the manufacturer to publicize processing links and results after product recovery in order to facilitate public supervision; a recovery management module which can increase the process discrimination of the recovery price; a logistics management module, wherein the individual can see the state of the order and thelogistics process through the APP, and the logistics enterprise can check the condition of the governed order; and a payment management module used for increasing a point settlement mode while controlling the logistics cost to make the individual obtain a new coupon replaced by an old coupon and exchange commodities or services with points.

The present invention provides low viscosity energy-activated room temperature polymer compositions, equipment, systems and methods for handling, activating and dispensing the thermodynamically unstable, high solids, activatable liquid compositions.

The invention provides a platelet function detection system employing a continuous counting method. The platelet function detection system comprises a special detection card and a detector, wherein the special detection card is provided with a control tube and more than one detection tube; an aggregating agent is pre-loaded in each detection tube; an anticoagulant is loaded or not loaded in the control tube; the detector comprises a control unit, a sample absorbing and transferring unit, a detection cup, a dilution cup, a diluent adding unit, a sample mixing unit and a cleaning unit; the control unit controls various function units of the detector and carries out analyzing, processing, displaying and transmitting of detection information; the sample absorbing and transferring unit comprises a sample absorbing needle, a quantitative syringe, a connection pipeline, a valve, a sample absorbing needle motion device and the like; the sample absorbing and transferring unit is used for absorbing one part of blood samples from the control tube or the detection tube, transferring the blood samples to the dilution cup, absorbing one part of evenly diluted and mixed blood samples from the dilution cup and transferring the blood samples to the detection cup for detection. In addition, the unit can also be used for diluting and mixing the blood samples from the control tube and the detection tube evenly.

A process for utilizing the waste slags after smelting rare-earth ferrosilicon includes such steps as adding the following Wt.% of the said waste slags of lime 10-45%, scrap steel 5-25%, ferrosilicon25-45% and rare-earth ore concentrate 5-30% to waste slags and loading into furnace, heating, smelting while stirring, discharging to ingot mould, cooling and separation of slag from iron.

The invention discloses a method for coproducing methylbenzoic acid, methyl benzonitrie and phthalonitrile. The method comprises the following steps: (1) continuously introducing xylol, a catalyst andoxygen-containing gas into an oxidation reactor and reacting to obtain an oxidation reaction solution; (2) conveying the oxidation reaction solution into a primary evaporation tower and carrying outrectification separation; when the content of methylbenzyl alcohol in a tower kettle solution of the primary evaporation tower reaches 0.01 to 0.15 weight percent, stopping rectification, so as to obtain a low-boiling-point component and the tower kettle solution of the primary evaporation tower; (3) conveying the tower kettle solution of the primary evaporation tower into a rectification tower and carrying out rectification; when the content of the methylbenzoic acid in a tower kettle solution of the rectification tower reaches 30 to 90 weight percent, stopping rectification, so as to obtaina methylbenzoic acid product and the tower kettle solution of the rectification tower; (4) mixing the tower kettle solution of the rectification tower and ammonia to obtain a nitrile-containing reaction solution; (5) carrying out rectification separation on the nitrile-containing reaction solution to obtain methyl benzonitrie and phthalonitrile products. The method disclosed by the invention has the advantages of simple technology, few equipment investment, greenness and environment protection and good comprehensive economic benefits.

The invention relates to a simple preparation method of a 9-hydroxyfluorene-9-carboxylate compound. The method comprises the following step: with a benzoyl formate compound I and an iodobenzene compound II as raw materials, under the catalysis of Pd(OAc)2 and trifluoroacetic acid, carrying out a cyclization reaction by using silver trifluoroacetate as an oxidant and 2-fluoro-5-trifluoromethylaniline as a ligand to obtain the 9-hydroxyfluorene-9-carboxylate compound. Compared with an existing method, the method of the invention has the advantages that reaction raw materials are easy to synthesize through a classical reaction; 2, the reaction is simple and convenient, operation is easy, a target product can be obtained in one step, few reaction byproducts are produced, little waste is discharged, the product is directly purified by using column chromatography, strong acid or strong base is not needed for aftertreatment, pressure on the environment is greatly reduced, purification effectis good, and yield can reach 60-90%; and 3, reaction expansibility is strong, a novel method for synthesizing the 9-hydroxyfluorene-9-carboxylate compound is provided, and the compound which is not synthesized before can be synthesized.

The invention relates to a device for preparing amino acid derivatives. The device comprises a cathode electrolytic cell (1), an anode electrolytic cell (7), a cathode bar (2), an anode bar (3) and a diaphragm. The device further comprises an electrode frame (4). The electrode frame (4) comprises guide rails and movable pieces (5), wherein the two guide rails are arranged, the distance is formed between the two guide rails, grooves are formed in the inner sides of the guide rails, the two ends of the movable pieces (5) are embedded in the grooves, and the movable pieces move between the two guide rails. The multiple sets of movable pieces (5) are arranged, the guide rails can stretch and contract, and the distance between the guide rails is adjusted. The electrode frame (4) is an insulator. The device is suitable for preparing glutathione.

The invention relates to a method for preparing 4-aminobenzoic acid (4-aminophenyl) ester, comprising a catalytic condensation reaction process and a hydrogenation reduction process; wherein the catalytic condensation reaction process comprises the following steps: paranitrobenzoyl chloride and p-nitrophenol are added to solvent I and the solvent I is added with a condensation catalyst; at the temperature of 50-200 DEG C, the reaction lasts for 2-8 hours and then the reaction is ceased and the temperature is lowered to separate out a pale yellow crystal binitro intermediate, namely 4-nitrobenzoic acid (4-nitrobenzophenone) ester. The hydrogenation reduction process comprises the following steps: the binitro intermediate obtained in the catalytic condensation reaction process is added in solvent II; a hydrogenation catalyst is added into the solvent II and the reaction is carried out at the temperature of 50-120 DEG C and under the pressure of 0.5-2.0 MPa; after the reaction, a yellow loose product of the 4-aminobenzoic acid (4-aminophenyl) ester is obtained by distilling. The method solves the problem of difficulty in industrial production adopting the existing preparation method for the 4-aminobenzoic acid (4-aminophenyl) ester.

The invention discloses an environment-friendly energy storage remote controller, which comprises a shell, a remote control board, buttons, a power storage device, a power control board, and a magnetoelectric converter; the power control board and the magnetoelectric converter, the power storage device, and the remote control board Electrically connected, the magnetoelectric converter can receive the electromagnetic wave signal in the air, convert the electromagnetic wave signal into electric energy, convert it into direct current through the power control board, and store it in the electric storage device, and the electric energy stored in the electric storage device can be used for remote control. The board provides a stable working power supply. The present invention does not need to use dry batteries or button batteries, and its working power adopts receiving electromagnetic wave signals in the air or wireless charging through wireless charging devices, which can greatly reduce the waste of dry batteries and button batteries, and play a role in environmental protection. certain effect.