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16results about How to "Reduce organic content" patented technology

Basalt fiber cloth reinforced basalt fiber felt composite heat insulation felt for fireproof cable as well as preparation method and application of basalt fiber cloth reinforced basalt fiber felt composite heat insulation felt

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.
Owner:CHONGQING ZHIDU NEW MATERIAL TECH CO LTD

Composite extraction agent and application thereof in separation and recovery of lithium from lithium precipitation mother liquor

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.
Owner:GANFENG LITHIUM CO LTD

Method for continuously producing chlorinated tert-butane based on no catalyst

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.
Owner:MAIQI CHEM CO LTD

Gel injection molding method for ceramic electrolyte of solid sodium salt battery for energy storage

PendingCN121872758AMeet molding needsExcellent green performanceSecondary cellsSolid state electrolyteElectrical battery
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.
Owner:INNER MONGOLIA JIANHENG AONENG TECH CO LTD

An electrolysis generator and hot water equipment for supplementing minerals

ActiveCN224430407UIncrease hydrogen and oxygen contentIncrease ion concentration
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.
Owner:GUANGDONG MACRO GAS APPLIANCE

System and method for removing new pollutants through MBR coupling advanced oxidation

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.
Owner:BEIJING ORIGINWATER TECH CO LTD +1

A sodium-ion battery electrolyte, its preparation method, and its application.

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.
Owner:DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

A device and method for collecting and treating landfill leachate

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.
Owner:SICHUAN KEYUAN TESTING CENT OF ENG TECH CO LTD

Ultrasonic anti-fouling pretreatment device and control method for RO system of power plant water reuse

PendingCN122502052AReduce organic contentreduce adhesion
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.
Owner:润电能源科学技术有限公司

A kind of wastewater treatment device and method of propiconazole

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.
Owner:SHANDONG WEIFANG SHUANGXING PESTICIDES CO LTD

An aerobic granular sludge integrated sewage treatment equipment

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.
Owner:JINAN ZHIZE DEYUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Domestic sewage treatment and ecological utilization device

ActiveCN224132846UHelps with biological filtrationBiofiltration promotionWater contaminantsWater/sewage treatmentSewageSewage treatment
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.
Owner:SHENYANG URBAN CONSTR COLLEGE

In-vitro scaling type electrocatalytic oxidation device

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.
Owner:BEIJING DILI WEIYE TECH DEV

A Short-Process Continuous Method for Preparing Titanium and Titanium Alloy Wires

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.
Owner:UNIV OF SCI & TECH BEIJING +1

Sewage pretreatment method and pretreatment device

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.
Owner:XI AN JIAOTONG UNIV

A method for stabilizing oil refinery concentrated sludge

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.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1