30results about How to "Reduce organic content" patented technology

The invention relates to the technical field of sewage treatment, in particular to aerobic granular sludge integrated sewage treatment equipment which comprises an aerobic tank, and the aerobic tank comprises an outer tank body and an inner tank body; a turntable is rotationally mounted on the inner bottom surface of the inner tank body, and a plurality of groups of aeration mechanisms are also fixedly mounted on the turntable; the aeration mechanism comprises an aeration assembly, a dredging assembly is arranged on the aeration assembly, and a pressing assembly used in cooperation with the dredging assembly is arranged on the inner wall of the inner tank body; a driving mechanism is fixedly mounted on the top surface of the inner tank body and is in transmission connection with the periphery of the hollow shaft; a transmission assembly is arranged on the periphery of the hollow shaft and is in transmission connection with a plurality of floating foam cleaning assemblies. According to the sewage treatment device, the floating foam cleaning step can be transferred into the settling zone in the sewage treatment process, and cleaning is relatively easy. The dredging assembly is sequentially and periodically pressed by the pressing assembly, so that the aeration assembly is periodically and automatically dredged.

The invention relates to a composite heat insulation felt of basalt fiber cloth reinforced basalt fiber felt for a fireproof cable and a preparation method and application of the composite heat insulation felt, and relates to the technical field of fireproof heat insulation materials, the preparation method comprises the following steps: pretreating basalt fibers to obtain first basalt fibers; the basalt fiber cloth is clamped between the two lapping layers of the first basalt fibers, then needling, cutting and rolling are conducted, and the basalt fiber cloth reinforced basalt fiber needled felt is obtained; and adding the basalt fiber cloth reinforced basalt fiber needled felt into a silicon dioxide sol precursor hydrolysate, and carrying out dipping treatment to obtain the basalt fiber cloth reinforced basalt fiber needled felt composite silicon dioxide sol. The basalt fiber cloth reinforced basalt fiber felt composite heat insulation felt for the fireproof cable provided by the invention has the characteristics of high tensile strength, moisture resistance, water resistance, low high thermal conductivity coefficient, no cracking at high temperature, no pulverization and the like.

The invention belongs to the technical field of azeotropic distillation and dehydration of isopropanol, particularly relates to an azeotropic distillation and dehydration method of industrial-grade isopropanol, and aims to solve the problems that the energy consumption of separation of isopropanol and solvents is high, the energy consumption is low and the like due to the fact that solvents such as benzene and cyclohexane are adopted for azeotropic distillation and dehydration in the conventional isopropanol dehydration process, but the boiling points of benzene and cyclohexane are close to those of isopropanol. In order to solve the problems that when diethyl ether is used as an azeotropic agent, the solvent is easily enriched at the tower top to form potential safety hazards, and when the solvents are used for azeotropic distillation, the requirements of electronic chemicals cannot be met, the following scheme is provided: the method comprises the following steps: S1, adding an industrial-grade isopropanol raw material into an azeotropic distillation tower; the azeotropic dehydrating agent disclosed by the invention is small in boiling point, high in ignition point, non-corrosive, low in price, good in safety and low in separation energy consumption, and has excellent application value and application prospect in industrial production and experiments, the used device is simple and easy to operate, the yield is high, and automatic production can be realized.

The invention discloses high-density printed circuit board interconnection copper paste, a preparation method and an interconnection process, the interconnection copper paste comprises the following components in parts by weight: 30-90 parts of micron copper powder, 10-80 parts of nano copper powder, 4-10 parts of an organic solvent, 0.01-2 parts of a thickening agent and 0.5-3 parts of a corrosion inhibitor, and the nano copper powder is nano copper powder coated by an organic coating agent. According to the interconnection copper paste, the specially treated nano copper powder is applied, the high-activity nano copper powder is pre-melted at the high temperature of 180 DEG C or above under the normal pressure, meanwhile, the corrosion inhibitor introduced into the formula effectively removes an oxide layer in the baking process, good bonding with a copper bonding pad is achieved, and the high pressing yield can be achieved.

The invention provides a composite extraction agent and application thereof in separation and recovery of lithium from lithium precipitation mother liquor. Relates to the technical field of composite extraction. The composite extraction agent comprises an extraction agent, a synergistic extraction agent and a diluent, the extraction agent comprises one or more of 1, 3-bis (4-fluorophenyl)-1, 3-propanedione, 2, 2-difluoro-1, 3-diphenyl-1, 3-propanedione, 1-phenyl-3-isoheptyl-1, 3-propanedione and benzoyl trifluoroacetone, and the diluent comprises one or more of 1, 3-bis (4-fluorophenyl)-1, 3-propanedione, 2, 2-difluoro-1, 3-diphenyl-1, 3-propanedione, 2, 2-difluoro-1, 3-diphenyl-1, 3-propanedione, 1-phenyl-3-isoheptyl-1, 3-propanedione and benzoyl trifluoroacetone. The synergistic extraction agent is prepared from one or more of tributyl phosphate, triisobutyl phosphate, triamyl phosphate, tributyl phosphine oxide and bis (4-fluorophenyl) phosphine oxide; the diluent comprises one or more of kerosene, sulfonated kerosene, tetradecane and tetradecanol. The composite extraction agent adopted by the invention has low requirement on pH, better acid and alkali resistance stability, small solution loss and good selective effect on lithium, the lithium recovery cost is reduced, and the comprehensive lithium extraction efficiency can reach 97.0% or above.

The invention belongs to the technical field of organic synthesis, and particularly relates to a catalyst-free continuous production method of chlorotert-butane, which comprises the following steps: adding diluted hydrochloric acid as a starting solution into the tower kettle of a reactive distillation tower, and heating the tower kettle to boil until reflux exists at the tower top; the method comprises the following steps: adding tert-butyl alcohol and concentrated hydrochloric acid into a mixing preheater for preheating, then continuously feeding from a feed port of a reactive distillation tower until the tower top temperature is 45-48 DEG C, the side discharge port temperature is 50-52 DEG C and the tower kettle temperature is 96-105 DEG C, and carrying out reflux according to a reflux ratio of (1.5-3): 1; and continuously extracting crude chlorinated tert-butane from a side discharge port of the tower, cooling, neutralizing, drying and filtering to obtain the chlorinated tert-butane. According to the invention, through the integrated design of the mixing preheater and the reactive distillation column, especially by utilizing the reactive distillation technology to continuously remove the product, the chemical equilibrium limitation of the traditional intermittent process is successfully broken, the raw material conversion rate is obviously improved, and meanwhile, the green production targets of flow simplification, energy consumption reduction and three-waste emission reduction are realized.

The invention relates to the field of carbon carrier synthesis, in particular to a preparation method and system of a ZIF derived carbon carrier based on organic ligand double circulation. The preparation method comprises the following steps: S1, uniformly mixing zinc acetate and water to obtain a first mixed solution; s2, determining the mass of 2-methylimidazole supplementary powder, and uniformly mixing the ZIF circulating mother liquor obtained by the previous synthesis, at least optional 2-methylimidazole circulating powder obtained by the previous synthesis and the 2-methylimidazole supplementary powder to obtain a second mixed solution; s3, mixing and reacting the first mixed solution and the second mixed solution, and performing solid-liquid separation to obtain ZIF circulating mother liquor; s5, heating a ZIF filter cake obtained by solid-liquid separation to 270-400 DEG C under the protection of an inert atmosphere, keeping the constant temperature for 2 hours, and collecting 2-methylimidazole circulating powder; and S6, continuously heating the ZIF filter cake to 800-1000 DEG C, and keeping the constant temperature for 2 hours to obtain the ZIF derived carbon carrier.

The invention relates to the technical field of ricefield eel breeding, in particular to a ricefield eel factory circulating water breeding system which comprises a breeding frame, a breeding mechanism, a water treatment assembly and a breeding drainage assembly, a base plate is horizontally arranged on the inner side of the breeding frame, the breeding mechanism is placed on the surface of the base plate, and the breeding mechanism comprises a breeding box and a soft net bag. The top of the breeding box is open, and a soft net bag is laid on the inner side of the breeding box; a support is laid on the bottom wall of the breeding box, a breeding drainage assembly is installed on the bottom wall of the breeding box in a penetrating mode, and the breeding drainage assembly comprises a drainage pipe for breeding, an inclined pipe, a drainage opening, a sleeve and a side opening hole. The problems that in the prior art, the breeding density is low, and the unit water yield is low are solved; the method is greatly influenced by weather, water temperature, epidemic diseases and other environmental factors, and the breeding effect is not stable. The monopterus albus cannot be bred all year round due to climate limitation, the selling price is low due to concentrated marketing time, and the death rate of the monopterus albus during overwintering is high.

The invention discloses a gel casting method of a solid sodium salt battery ceramic electrolyte for energy storage. The injection molding method comprises the following steps: calcining Na-beta ''-Al2O3 powder in an air atmosphere, mixing the calcined Na-beta''-Al2O3 powder with water and ammonium polyacrylate, carrying out primary ball milling, and carrying out spray drying and granulation to obtain spray granulation powder; adding the mixture into a premixed aqueous solution of a dispersing agent and an adhesive, and carrying out secondary ball milling to obtain slurry; injecting the obtained slurry into a mold, applying axial pressure to the slurry through a piston device of the mold, and maintaining the pressure; standing the whole mold in the pressurized state; taking a green body after pressure relief; carrying out coupling drying on the obtained green body in three stages, and then carrying out glue removal in an air atmosphere to obtain a prefabricated ceramic tube green body; and sintering to obtain the solid electrolyte. The solid electrolyte with high density, high ionic conductivity and high bending strength prepared by the method has a clean low-impedance grain boundary, and completely meets the high-performance requirement of a solid sodium battery on a core electrolyte.

This utility model provides an electrolytic generator and hot water equipment for supplementing minerals. The electrolytic generator includes a shell, a mineral filter element, and an electrode module. The shell is connected to an inlet pipe and an outlet pipe. The electrode module is connected to the shell. The mineral filter element is disposed in the shell and includes a cover plate and a filter element body. The cover plate and the filter element body are detachably connected. The filter element body contains minerals and is connected to the shell. The detachable connection between the cover plate and the filter element body allows for adjustment of the type and quantity of minerals and facilitates replacement of minerals. While supplementing the mineral element content of the water, it also increases the ion concentration of the water. Electrolysis of the incoming water increases the hydrogen and oxygen content of the water.

The invention provides a system and method for removing new pollutants through MBR coupling advanced oxidation, and belongs to the technical field of sewage treatment.The main process comprises an MBR process unit and an advanced oxidation process unit, the advanced oxidation process comprises an ozone micro-nano bubble device, a corresponding intelligent ozone adding control module, an ultraviolet light catalysis advanced oxidation device and a corresponding intelligent hydrogen peroxide adding control module. The background value of pollutants in water is fully reduced and a part of new pollutants are removed through the MBR process unit; part of light absorption substances and part of new pollutants are removed through the ozone micro-nano bubble device, and the light transmittance of the water body is increased to 82% or above; finally, hydroxyl free radicals (. OH) with strong oxidizing property are generated through UV / H2O2 excitation, and most of new pollutants are removed. The two process units are deeply coupled, the working procedures are closely linked, and new pollutants can be efficiently removed; the two intelligent control modules are used for accurately adding chemicals according to the treatment effect, so that the operation cost can be reduced.

The utility model discloses a novel sound insulation and heat preservation type high-strength aluminum alloy door and window which comprises a frame plate, a lower light steel keel is installed in the frame plate, one side of the lower light steel keel is connected with an upper light steel keel, and the upper light steel keel is externally connected with an outer covering plate. The arc-shaped frame plate can improve the sound insulation performance of the door and window, meanwhile, the overall strength of the door and window can be improved, the inner mounting plate made of the rock wool plate and arranged at the inner bottom of the groove of the frame plate has the good sound absorption performance, a large amount of noise can be absorbed, reflection and propagation of sound waves are reduced, and therefore the sound insulation effect is achieved; and the rock wool board is used as an inorganic fiber material, the organic matter content is low, the heat stability is good, the heat insulation and heat preservation capacity of a building can be effectively improved, a sound section layer can be formed between a sound wave irradiation face and an original frame body through clamping and embedding of the lower light steel keel and the upper light steel keel and matched installation of the outer covering plate, the ultra-low-frequency sound insulation amount is improved, and low frequency is optimized.

This invention relates to the field of secondary batteries, specifically, to providing an organic electrolyte for sodium-ion batteries, a preparation method thereof, and its application in sodium-ion batteries. The electrolyte for sodium-ion batteries comprises sodium salts, organic solvents, and additives, wherein the additives include nitrile compounds, sulfonates, and organic sodium salts; this electrolyte can generate a dense SEI layer rich in various inorganic elements, ensuring the sodium... + The rapid diffusion of ions, combined with a suitable reduction in the organic content of the SEI, improves the stability of the SEI during long-term cycling. Compared to sodium-ion batteries assembled using phosphate materials as the positive electrode active material, the capacity retention rate is greater than 80% after 1000 cycles at 1C rate.

The utility model discloses a fishery breeding tail water treatment system, and mainly relates to the field of breeding tail water treatment. Comprising a first ecological ditch, a sedimentation tank, an aeration tank and an ecological purification tank which are sequentially communicated, the water inlet end of the first ecological ditch is communicated with aquaculture tail water, the water outlet end of the first ecological ditch is communicated with the sedimentation tank, a first filter dam for communicating the sedimentation tank with the aeration tank is arranged between the sedimentation tank and the aeration tank, and a second filter dam for communicating the aeration tank with the ecological purification tank is arranged between the aeration tank and the ecological purification tank; a filter feeding shellfish wall and an ecological floating island are put in the first ecological ditch. The device disclosed by the utility model has the beneficial effects that a water body is treated by utilizing a'filter feeding shellfish and three-pool two-dam process', the initial tail water can be pretreated, and the treatment effect is better.

The present invention discloses a device and method for collecting and treating seepage liquid in a garbage landfill in the technical field of environmental engineering garbage treatment, comprising a landfill, wherein a garbage layer and a seepage liquid collecting device are arranged in the landfill, a tree layer is arranged on the upper part of the landfill, a reinjection treatment device is arranged on the tree layer, a funnel is arranged at the lower part of the landfill, the funnel is connected with a seepage liquid outlet device, the seepage liquid outlet device is connected with the seepage liquid collecting device and the reinjection treatment device, the seepage liquid outlet device is connected with a seepage liquid treatment device, and a control system is arranged outside the landfill; the purpose of the present invention is to provide a device and method for collecting and treating seepage liquid in a garbage landfill, so that the possibility of blockage of a seepage liquid drainage system can be reduced, the off-site treatment amount and harmful substance concentration of the seepage liquid can be reduced, the further treatment of the seepage liquid can be facilitated, and the sludge separation after the leachate treatment is completed can be facilitated.

The present invention discloses a hydrogen peroxide high-efficiency water treatment agent and a preparation process thereof, and belongs to the technical field of water treatment agents. The present invention is used to solve the problem that when hydrogen peroxide is used as a water treatment agent to treat chemical industrial wastewater in the prior art, heavy metal impurities therein cannot be efficiently adsorbed; when inorganic adsorption materials modified by hydrogen peroxide are used as water treatment agents, various organic wastes in industrial wastewater cannot be efficiently adsorbed. The hydrogen peroxide high-efficiency water treatment agent prepared by the present invention comprises composite microspheres and modified copolymers; the composite microspheres are obtained by emulsifying and cross-linking silica gel and activated carbon powder modified by hydrogen peroxide; the modified copolymer is obtained by copolymerizing methyl fumarate, maleic anhydride, a lignin mixed solution after hydrothermal treatment, and an esterification product. The water treatment agent prepared by the present invention can remove heavy metal ions and organic pollutants in industrial wastewater, and has the advantages of high adsorption efficiency and green environmental protection.

The invention discloses a double-backflow papermaking wastewater anaerobic treatment system which comprises an anaerobic treatment system and a sedimentation tank, the anaerobic treatment system comprises an anaerobic reaction tank, a water distributor, a water distribution well, a water distribution pipeline, a wastewater inlet pipeline, a backflow well and a backflow pipeline, and the wastewater inlet pipeline is connected with a water inlet in the lower portion of the water distribution well; a sludge discharge port of the sedimentation tank is connected with the water distributor through a sludge discharge pipeline, the backflow well is connected with a backflow pipeline arranged in the anaerobic reaction tank, and the backflow well is connected with the water distributor through a water pumping pipeline. The backflow well and the backflow pipeline are additionally arranged in the anaerobic reaction tank, wastewater enters the backflow well through the backflow pipeline, backflow wastewater, production wastewater and backflow sludge are evenly mixed through the water distributor and sprayed out from the water distribution pipeline, a strong stirring effect is formed, rising pushing force is improved, and reaction is promoted; the removal efficiency of organic matters in the wastewater can reach 80-90%, the sludge form is between flocculent sludge and granular sludge, and the influence that the sludge in the papermaking wastewater is easy to calcify is effectively relieved.

The application discloses a kind of power plant water reuse RO system ultrasonic anti-fouling pretreatment device and control method, it is related to industrial water treatment technical field, including the following steps: to the water after coagulation sedimentation filtration treatment in the first ultrasonic treatment when entering ultrafiltration inlet mother pipe, first ultrasonic treatment uses built-in arrangement;Based on the water flow of entering ultrafiltration inlet mother pipe, the ultrasonic frequency of first ultrasonic treatment is adjusted, and the ultrasonic frequency is proportional to water flow.The application is processed by ultrasonic treatment before and after ultrafiltration and differential parameter control, reduces the pollution degree of organic matter and microorganism to membrane, slows down flux attenuation and prolongs membrane and filter element use cycle;While combining the frequency regulation of flow and pollution index and the synergistic effect of reagent, realize the adaptive adjustment of processing intensity, reduce energy consumption and improve operation stability under the premise of guaranteeing processing effect.

The present invention relates to the technical field of sewage treatment, and in particular to a wastewater treatment device and method of propiconazole, wherein the device comprises a still, the still is connected to a buffer tank through an eleventh pipeline, the buffer tank is also connected to an air flotation machine through a tenth pipeline, the air flotation machine is sequentially connected to a regulating tank, an anaerobic tank, an aerobic tank, and a sedimentation tank through pipelines; a funnel-shaped heating tank is fixedly installed inside the still, a coil is arranged in the second interlayer of the heating tank, the bottom of the heating tank is sequentially fixedly connected to a transition pipe, a first water distribution tank, a branch pipe, a second water distribution tank, and a water inlet pipe, the branch pipe is sleeved in a drain pipe, a drain port is arranged on the side wall of the drain pipe, and a second air outlet fixedly connected to the first pipeline is arranged on the top of the still. The present invention removes low-boiling-point components in the still, and then enters the air flotation machine to remove a portion of organic matter, insoluble matter, and heavy metal ions, greatly reducing the subsequent treatment burden of the anaerobic tank and the aerobic tank.

The present invention relates to the technical field of sewage treatment, and specifically to an aerobic granular sludge integrated sewage treatment equipment, the present invention comprises an aerobic tank, the aerobic tank comprises an outer tank body and an inner tank body; a turntable is rotatably mounted on the inner bottom surface of the inner tank body, and multiple groups of aeration mechanisms are fixedly mounted on the turntable; the aeration mechanism comprises an aeration component, a dredging component is arranged on the aeration component, and a pressing component used in conjunction with the dredging component is arranged on the inner wall of the inner tank body; a driving mechanism is fixedly mounted on the top surface of the inner tank body, and the driving mechanism is transmission-connected to the periphery of a hollow shaft; a transmission component is arranged on the periphery of the hollow shaft, and multiple groups of floating foam cleaning components are transmission-connected to the transmission component; the present invention can transfer the cleaning step of floating foam to the sedimentation zone during sewage treatment, and it is relatively easy to clean. The dredging component will be sequentially and periodically subjected to the downward pressure of the pressing component, thereby periodically and automatically dredging the aeration component.

The utility model discloses a domestic sewage treatment and ecological utilization device which comprises a sewage treatment tank, a filter net basket structure is inserted into the inner wall of the sewage treatment tank, a plurality of feeding devices are assembled on the inner wall of the filter net basket structure in a penetrating manner, a sewage discharge pipe is fixedly assembled on the upper edge of one side of the sewage treatment tank, and a water outlet pipe is fixedly assembled on the lower edge of the other side of the sewage treatment tank. A sewage discharge pipe is fixedly connected to one side of the inner wall of the sewage treatment tank in a penetrating manner, a plurality of water quality detectors are assembled on the inner wall of the filter net basket structure in a penetrating manner, the water quality detectors are fixedly connected to the inner wall of the sewage treatment tank in a penetrating manner, and red nematodes are put into different inner cavities of the filter net basket structure for dispersion treatment, so that the water treatment efficiency is ensured; the sewage treatment tank is simple in structure and convenient to use, prevents red nematodes from being accumulated at the bottom of the sewage treatment tank and affecting the water treatment effect, can detect the water quality conditions of different areas by cooperating with the water quality detector, periodically adjusts to put the red nematodes into a certain cavity in the filter net basket structure, and is convenient to use and high in practicability.

The utility model provides an in-vitro scaling type electrocatalytic oxidation device, which relates to the technical field of sewage electrolysis treatment and comprises a cathode plate, an anode plate, an anion exchange partition plate, a cathode electrolysis chamber plate and an anode electrolysis chamber plate. Wherein the cathode electrolysis chamber is located between the anion exchange partition plate and the cathode plate, and the anode electrolysis chamber plate is located between the anion exchange partition plate and the anode plate. The utility model has the beneficial effects that the anode plate can generate hydroxyl radicals with high oxidability in the anode electrolysis chamber, so that the sewage in the anode electrolysis chamber is oxidized, and the treatment of organic wastewater is realized; and the anion exchange partition plate can prevent cations in the anode electrolysis chamber from moving towards the cathode electrolysis chamber and reduce the concentration of the cations in the cathode electrolysis chamber, so that the problem that the surface of a cathode plate is scaled due to the fact that the concentration of the cations in the cathode electrolysis chamber is too high is solved, the electrocatalytic oxidation device can continuously work for a long time, and the sewage treatment efficiency is improved.

The present invention belongs to the field of metal powder technology application, and specifically relates to a method for preparing highly dispersible submicron silver powder, which comprises the following steps: preparing a reducing agent organic solution for standby use; preparing a silver nitrate organic solution for standby use; adding the silver nitrate organic solution to the reducing agent organic solution for reaction to obtain silver powder. The present invention provides a method for preparing highly dispersible submicron silver powder, which avoids the problem of silver powder particle agglomeration under alkaline conditions, and the silver powder is prepared under alkaline conditions, and the cleaning of organic matter is simple and effective, thereby effectively reducing the organic matter content in the silver powder.

The invention belongs to the field of fine chemical engineering wastewater treatment, and particularly relates to a pretreatment method of wastewater generated in preparation of 1, 2-pentanediol by an n-amylene oxidation method. The method comprises the following steps: adding an activated carbon loaded peroxyphosphomolybdic acid quaternary ammonium salt catalyst into wastewater to be treated, performing ultraviolet irradiation, and adding hydrogen peroxide for reaction to degrade 1, 2-pentanediol in the wastewater and remove COD (Chemical Oxygen Demand), thereby realizing pretreatment of the wastewater. The activated carbon loaded peroxy phosphomolybdic acid quaternary ammonium salt catalyst can promote the oxidation reaction of hydrogen peroxide, can degrade 1, 2-pentanediol, and reduces the use amount of hydrogen peroxide.

The invention relates to the technical field of sewage treatment, in particular to a propiconazole wastewater treatment device and method.The device comprises a distillation still, the distillation still is connected with a buffer pool through an eleventh pipeline, the buffer pool is further connected with an air flotation machine through a tenth pipeline, and the air flotation machine is sequentially connected with an adjusting pool, an anaerobic pool, an aerobic pool and a sedimentation pool through pipelines; a funnel-shaped heating tank is fixedly installed in the distillation still, a coil pipe is arranged in a second interlayer of the heating tank, the bottom of the heating tank is sequentially and fixedly connected with a transition pipe, a first water distribution tank, a branch pipe, a second water distribution tank and a water inlet pipe, the branch pipe is sleeved with a water drainage pipe, and a water drainage opening is formed in the side wall of the water drainage pipe. A second gas outlet fixedly connected with the first pipeline is formed in the top of the distillation kettle. According to the invention, low-boiling-point components are removed in the distillation kettle, and then a part of organic matters, insoluble substances and heavy metal ions are removed in the air flotation machine, so that the treatment burden of the subsequent anaerobic tank and aerobic tank is greatly reduced.

The present invention provides a method for continuously preparing titanium and titanium alloy wire materials with a short process, which relates to the technical field of preparing titanium and titanium alloy wire materials. The preparation method includes powder preparation, slurry preparation, wire blank forming, wire blank drying, wire blank coating, degreasing sintering, cold drawing and post-treatment carried out in sequence. Among them, the titanium and titanium alloy extrusion slurry is poured into the slurry tank of a screw extruder, and an ultraviolet light source or a heat source is equipped at the die opening of the screw extruder. The slurry is extruded through the die opening and in-situ solidified into a wire blank under the action of the light source or the heat source. By matching continuous production equipment with the technological processes of screw extrusion molding, degreasing sintering and cold drawing, the present invention avoids the high-temperature melting process of the traditional casting-drawing process and the complex processes of multi-pass hot rolling-drawing, realizes the short-process continuous and controllable preparation of titanium and titanium alloy wire materials, has high flexibility in the design of its composition and diameter, strong stability, wide applicability, low cost and excellent performance, and is very suitable for large-scale industrial production.

The invention relates to the technical field of sewage treatment, in particular to a sewage pretreatment method and a pretreatment device. The pretreatment method comprises the following steps: sewage is introduced into a pretreatment unit for pretreatment, and the pretreatment unit comprises a seed crystal, a crystallization inducer and an oxidizing agent. According to the sewage pretreatment method, the nucleation granulation coupling oxidation treatment technology is utilized, the content of scaling ions and organic matter in sewage can be effectively reduced, membrane pollution is relieved, the service life of a reverse osmosis assembly is prolonged, the pretreatment method is short in technological process, low in agent consumption and free of chemical sludge, the operation cost can be effectively reduced, and the method is suitable for industrial production. The sewage treatment efficiency is improved.

The invention belongs to the field of fine chemical wastewater treatment, and particularly relates to a method for treating 1, 2-hexanediol production wastewater through catalytic oxidation. The method comprises the following steps: adding a catalyst and hydrogen peroxide into wastewater to be treated to carry out oxidation reaction, and adding a calcium salt flocculant under an alkaline condition to carry out flocculent precipitation, thereby realizing removal of 1, 2-hexanediol and COD (Chemical Oxygen Demand). According to the method disclosed by the invention, the activated carbon loaded peroxyphosphotungstic acid quaternary ammonium salt catalyst has high oxidation catalytic activity, and the residual 1, 2-hexanediol in the 1, 2-hexanediol production wastewater can be effectively removed through further flocculation treatment of calcium hydroxide. The method not only solves the problem of activity inhibition of 1, 2-hexanediol on microorganisms, but also reduces the content of organic matters in the wastewater and improves the biodegradability of the wastewater. The method is simple to operate, low in cost and wide in commercial application prospect.

This disclosure relates to a method for stabilizing concentrated oil refinery sludge. The method includes: heating a mixture of concentrated oil refinery sludge and a treatment agent under acidic conditions to obtain a treated material; wherein the concentrated oil refinery sludge has a moisture content of 98-98.5% by weight, a total suspended solids content of 15-20 g / L, and a volatile suspended solids content of 10-15 g / L; the treatment agent is obtained by pretreating ammonia oxime wastewater. This disclosure uses a treatment agent obtained after pretreating ammonia oxime wastewater to treat concentrated oil refinery sludge, which can significantly reduce the organic matter content and moisture content of the sludge cake, achieving substantial stabilization of the concentrated oil refinery sludge, while simultaneously realizing the resource utilization of the ammonia oxime wastewater.

The invention discloses a hydrogen peroxide efficient water treatment agent and a preparation process thereof, and belongs to the technical field of water treatment agents. In the prior art, when hydrogen peroxide is used as a water treatment agent to treat chemical industrial wastewater, heavy metal impurities in the wastewater cannot be efficiently adsorbed; when a hydrogen peroxide modified inorganic adsorption material is used as a water treatment agent, various organic wastes in industrial wastewater cannot be efficiently adsorbed. The high-efficiency hydrogen peroxide water treatment agent prepared by the invention comprises composite microspheres and a modified copolymer, the composite microspheres are obtained by emulsifying and cross-linking silica gel and activated carbon powder modified by hydrogen peroxide; the modified copolymer is obtained by copolymerizing methyl fumarate, maleic anhydride, a lignin mixed solution subjected to hydro-thermal treatment and an esterification product. The prepared water treatment agent can remove heavy metal ions and organic pollutants in industrial wastewater, and has the advantages of being high in adsorption efficiency and environmentally friendly.