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536 results about "Reuse rate" patented technology

Treatment system and treatment method for biochemical effluent of industrial wastewater

The invention provides a treatment system and treatment method for biochemical effluent of industrial wastewater. The treatment system comprises a flocculation sedimentation unit, a filtration unit, an advanced oxidation unit, an ultrafiltration unit, a reverse osmosis unit, a nanofiltration unit, an electrodialysis unit and an evaporation unit which are sequentially connected; and the water production outlet of the ultrafiltration unit is connected with the water inlet tank of the reverse osmosis unit, and the concentrated-water outlet of the reverse osmosis unit is connected with the water inlet of the nanofiltration unit. According to the invention, the treatment system and the treatment method utilize the coupling and synergistic effects of a physical-chemical method and a membrane technology to overcome the limitation of using a single technology, and the advanced treatment and desalination reuse of the industrial wastewater are realized; and the treatment system and the treatmentmethod have the advantages of strong adaptability to raw water, a high recovery rate of fresh water, a high concentration multiple of concentrated water, low energy consumption of evaporation and crystallization and the like, greatly improve the reuse rate of the industrial wastewater, reduce the amount of wastewater discharging, can be applied to the deep treatment and desalination reuse of various effluent wastewater, and promote the promotion and application of the technology in related industries.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Templated integration system and method for medical information system data

The invention provides a templated integration system and method for medical information system data and relates to the technical field of medical industry data integration. During the process of medical information system data integration, combined with target data standards and aimed at medical information system features (including manufacturers and versions, etc.), a reusable medical information system data integration template is established so as to realize data integration of different medical information systems (such as HIS, LIS, RIS, EMR,PEIS, etc.) Through solidification of special data set and the data conversion rules thereof, a reusable template for a certain medical information system during the process of multiple medical institution data integration is formed; at the same time, the different system templated integration process will enhance the adaptability of the template; a positive correlation between the reuse rate and completeness of the template is established; depending on the continuously improved and optimized template library resource, the implementation difficulty can be effectively reduced, the data integration efficiency can be increased, and the efficient and high quality development of medical information system integration programs is guaranteed.
Owner:BEIJING RUISOFT TECH CO LTD

Knowledge-engineering-based automatic scheme generation and evaluation system and method

The invention discloses a knowledge-engineering-based automatic scheme generation and evaluation system. The automatic scheme generation and evaluation system comprises a project management subsystem, a demand management subsystem, a product database subsystem, a collaborative design subsystem and an electronic product design technology platform, wherein the project management subsystem is in charge of providing solving ideas and tools; the demand management subsystem is used for decomposing the product design demand, converting into task indicators and multi-level task sequences, realizing dependence mapping and providing real-time monitoring of the indicators; the product database subsystem is used for managing design data and setting data standards and regulations; the collaborative design subsystem plays the role of a bridge; the electronic product design technology platform is in charge of generalizing and managing typical data, design methods and digital prototype models of all products and pushing information to the collaborative design subsystem. A method comprises the steps of knowledge extraction and classification, professional knowledge base setting, knowledge-engineering-based platform construction and automatic design scheme generation and evaluation. According to the invention, knowledge engineering is introduced into the electronic product design, so that the reuse rate of knowledge and other resources is effectively improved, automatic generation and evaluation of product schemes are realized, the product research and development time is shortened and the intelligence degree is high.
Owner:SICHUAN UNIV +1

Method for recycling lithium iron phosphate wastes in manufacturing link of lithium iron phosphate batteries

The invention discloses a method for recycling lithium iron phosphate wastes in the manufacturing link of lithium iron phosphate batteries and relates to lithium ion batteries. The recycling method is characterized by comprising the following steps: after a pole piece to be recycled is put into a muffle furnace, baking is performed for 2-3h at the temperature of 400-600 DEG C, the decomposition of a binder fails, and an active material lithium iron phosphate and conductive agent powder completely fall off from a current collector aluminum foil; after the powder is put in the muffle furnace, baking is performed for 4-6h at the temperature of 650-800 DEG C, sieving is performed to obtain lithium iron phosphate power; filtering is performed, the lithium iron phosphate power is washed with deionized water, and an ethanol wetting agent after washing is added to obtain turbid liquid; soluble lithium salt, molysite and phosphate are proportionally mixed into an ethanol solution, the mixed solution is added into the turbid liquid for mixing, and vacuum drying is performed at the temperature of 120-140 DEG C; roasting is performed for 3-6h at the temperature of 650-850 DEG C in an inert gas atmosphere to obtain acceptable materials. The method has the advantages of being good in electrochemical performance of recycled materials, high in reuse rate and low in cost.
Owner:SHANDONG SACRED SUN POWER SOURCES

Preparation and application of amino modified Fe3O4@SiO2@mSiO2 composite particles with mesoporous structure

InactiveCN105964216AGood superparamagneticImproved saturation magnetizationOther chemical processesWater contaminantsSorbentSilanes
The invention relates to a preparation method of amino modified Fe3O4@SiO2@mSiO2 composite particles with a mesoporous structure. The preparation method comprises the steps: dispersing Fe3O4@SiO2 powder into a mixture solution of ethanol, deionized water, ammonia water and a template agent, so as to obtain a sol solution; then, dropwise adding TEOS into the sol solution, so as to prepare Fe3O4@SiO2@mSiO2 composite particles with the mesoporous structure; drying the Fe3O4@SiO2@mSiO2 composite particles, then, adding ethylene glycol into the dried Fe3O4@SiO2@mSiO2 composite particles, carrying out ultrasonic separation, then, adding a silane reagent, carrying out high-temperature refluxing while carrying out stirring so as to enable the silane reagent to be adsorbed into mesoporous pore passages of SiO2, carrying out a hydrolytic reaction, removing unreacted silane reagent or the silane reagent which is not adsorbed into the mesoporous pore passages, and finally, carrying out vacuum drying, thereby obtaining the amino modified Fe3O4@SiO2@mSiO2. According to the preparation method, SiO2 with a mesoporous structure serves as a shell layer, a nanoparticle Fe3O4 serves as a magnetic core, the stability in an acidic solution system is excellent, the difficult problem of the ordinary adsorbents that the separation is difficult after adsorption can be solved, the efficiency of adsorbing a target product is increased, and the reuse rate of an adsorbent is increased, so that the preparation method has good economic and environmental benefits.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Technology and equipment for disassembling waste mobile phone

The invention discloses technology for disassembling a waste mobile phone and used equipment. The technology comprises the whole process including treatment of the waste mobile phone by feeding through a belt conveyor, mobile phone detection, information deletion, battery discharging and artificial presorting in a mobile phone presorting region, mobile phone disassembling, recovery of materials and accessories after disassembly in a classifying manner and dedusting in a working field. The used equipment for disassembling the waste mobile phone mainly comprises a presorting belt conveyor, a disassembling belt conveyor, a detection workbench, an information deletion workbench, a battery discharging workbench, an artificial presorting workbench, a disassembling workbench, a mobile phone classifying quantization tool box and a usable component recovery box. With adoption of various special equipment and tools, the technology and the equipment can ensure the accessories of the waste mobile phone to be well disassembled and have the advantages of unique technological method, safety and reliability in operation, high disassembling efficiency, good disassembling effect, increase in resource reuse rate, low energy consumption, long service life of the equipment, dramatic economic benefit, smoothness in technological process, reduction in labor intensity of workers and the like.
Owner:滁州伟峰资源回收设备有限公司

Excellent and efficient carbon fiber biofilm carrier modification method

The invention discloses an excellent and efficient carbon fiber biofilm carrier modification method and aims to improve water treatment performance of carbon fibers used as biofilm carrier materials. A basic raw material is the carbon fibers; the modification method mainly comprises steps as follows: firstly, acid oxidation treatment is performed on the carbon fibers, so that surfaces of the carbon fibers are ensured to have sufficient functional groups for preparation for iron carrying; then an organic iron solution is used as a modifying agent, surface modification is performed on the carbon fibers with a liquid phase impregnation method, and an organic-iron-modified carbon fiber biofilm carrier material with the surface containing the iron element is prepared. The preparation method is simple and easy to implement, prepared organic-iron-modified carbon fibers can keep original excellent performance of the carbon fibers, the surface roughness and the hydrophilicity are significantly improved, the film colonization cycle is short, the microbial activity is improved, time required for water treatment is short, removal rates of COD, ammonia nitrogen and total phosphorus are obviously increased, the outgoing water quality is good in stability, and the reuse rate is higher.
Owner:HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH

Desulfurization wastewater treatment system

The invention relates to a desulfurization wastewater treatment system. The system is used for treating desulfurization wastewater from a desulfurization system, and comprises a pretreatment system, a membrane treatment system and an evaporative crystallization system which are arranged sequentially, wherein the pretreatment system is used for pre-treating desulfurization wastewater, the membrane treatment system is used for deeply treating the pretreated desulfurization wastewater, and the evaporative crystallization system is used for vaporizing and crystallizing the concentrate in the membrane treatment system to obtain crystalline salt. According to the desulfurization wastewater treatment system, the pretreated desulfurization wastewater is treated by a nano-filtration treatment system to separate monovalent and divalent ions, so that quality-divided recycling of desulfurization wastewater can be realized, and the reuse rate of water can be improved; and the water output from a reverse osmosis system is used to wash the nano-filtration treatment system, so that the dosage of a softening agent in a softening and clarifying system and the dosage of a scale inhibitor in the nano-filtration treatment system can be respectively reduced.
Owner:HANGZHOU WATER TREATMENT TECH DEV CENT

Polyacrylonitrile fiber duplex metal complexes catalyst and preparation method thereof

The invention relates to a polyacrylonitrile fiber bimetallic complex catalyst and a preparation method thereof. The catalyst is characterized in that the appearance is between brownish yellow and yellowish green and is fiber-shaped; and the catalyst is formed by polyacrylonitrile fiber which is modified by hydrazine hydrate and hydroxylamine hydrochloride, and a coordination compound of iron ion and copper ion, wherein, the contents of iron ion and copper ion are 11.60mg / g to 26.10mg / g and 11.15mg / g to 28.30mg / g respectively. The preparation method adopts the following steps: 1. the pre-treatment of the polyacrylonitrile fiber; 2. modified reaction of the hydrazine hydrate of the polyacrylonitrile fiber and hydroxylamine hydrochloride; 3. the preparation of mixed solution of iron ion and copper ion; 4. the coordination reaction of the modified polyacrylonitrile fiber and metal ions; therefore, the fiber-shaped polyacrylonitrile fiber bimetallic complex catalyst with the color between brownish yellow and pale green is obtained. The catalyst has good catalytic activity, is applicable to the degradation of dyes in the basic printing and dyeing wastewater and has high reuse rate.
Owner:TIANJIN POLYTECHNIC UNIV

Device and process for electrolytically extracting copper in acidic etching liquid

The invention provides a device and a process for electrolytically extracting copper in an acidic etching liquid. The device comprises an etching tank, a waste liquid barrel, a copper extraction unit, a dissolving absorption jar and a water absorption jar, wherein the etching tank is connected with the waste liquid barrel which is connected with the copper extraction unit; the copper extraction unit comprises an etching liquid chamber, a regenerated liquid chamber and an electrolytic reaction chamber; the electrolytic reaction chamber is divided into a cathode area and an anode area at an interval by use of a composite high-molecular ionic membrane; the anode area is connected with the dissolving absorption jar by use of an exhaust pipeline, while the cathode area is connected with the water absorption jar by use of an exhaust pipeline; the dissolving absorption jar is in circular connection with the etching tank. The device is reasonable in structure, and the process is complete; the problems of high energy consumption and low reuse rate of electrolytic copper extraction from the acidic etching liquids in the prior art are solved; the quality of the cathode copper is improved, and meanwhile, material waste is reduced and the reuse rate is increased.
Owner:KUNSHAN MEIYUANDA ENVIRONMENTAL PROTECTION TECH

Data comparison method

The invention relates to a data comparison method. The data comparison method comprises the following steps of: 1, setting a configuration table for data comparison, wherein the configuration table comprises data comparison control flow information, address information of a data comparison content and data difference threshold value information; 2, extracting data to be checked from a database at first according to the data comparison control flow information in the configuration table, and sequencing the data according to a same field, wherein the field comprises an index field and a property field; 3, comparing the data according to data comparison rule information in the configuration table; 4, judging whether a difference of the data is greater than a data difference threshold value set in the configuration table, if the difference of the data is greater than the data difference threshold value set in the configuration table, recording a comparison result of the data, and if the difference of the data is not greater than the data difference threshold value set in the configuration table, keeping comparing the data; and 5, judging whether second comparison is required according to the property of the data after the comparison, if the second comparison is not required, storing the comparison result, and if the second comparison is required, returning to the step 3. The data comparison method has the advantages that: because the data comparison is uniformly managed by the configuration table, the comparison speed and the reuse rate are high.
Owner:北京思特奇信息技术股份有限公司

Treatment method and treatment system for high-concentration mixed salt organic wastewater

The invention provides a treatment method for high-concentration mixed salt organic wastewater. The treatment method for the high-concentration mixed salt organic wastewater comprises the following steps: carrying out coagulating sedimentation on the high-concentration mixed salt organic wastewater, so as to obtain sediments and mixed liquor; carrying out vacuum fractionation on the mixed liquor, so as to obtain fraction and fractional distillate; carrying out evaporative crystallization on the fractional distillate, so as to obtain sodium salt and low-concentration mixed salt organic condensate wastewater; carrying out aerobic biological treatment on the low-concentration mixed salt organic condensate wastewater, so as to obtain low-concentration organic wastewater; carrying out reverse osmosis treatment on the low-concentration organic wastewater, so as to obtain treated wastewater and a reverse osmosis concentrate solution; and carrying out evaporative crystallization on the reverse osmosis concentrate solution, so as to obtain sodium salt, wherein the high-concentration mixed salt organic wastewater contains sodium salt, heavy metal ions and organic matters. The treatment method for the high-concentration mixed salt organic wastewater has the advantages that the sodium salt in the wastewater can be efficiently recycled, treated wastewater can meet industrial usage requirements, reuse rate is high, and zero wastewater discharge is realized. The invention also provides a treatment system for the high-concentration mixed salt organic wastewater.
Owner:安徽中飞科技有限公司

Complex printing and dyeing wastewater quality-divided treating and reusing integrated technology

The invention relates to a complex printing and dyeing wastewater quality-divided treating and reusing integrated technology. The technology comprises two parts of quality-divided treating and quality-divided reusing, the whole technical process is realized through an automatic detection and control mode. For the characteristics that wastewater in a textile printing and dyeing garden is large in water quality change, high in chromaticity, difficult to biologically decompose and high in inorganic salt content, an existing efficient ozonation technology, an ultrafiltration-reverse osmosis membrane technology, an economical biochemical treatment technology, a double-tower filtration technology and an cation and anion exchange technology are integrated and optimized, for meeting the water quality requirement of water used in all processes of the garden, and efficient and low-cost treatment of the printing and dyeing wastewater is achieved by means of quality-divided treating and quality-divided reusing. Compared with a traditional treatment technology, though the water is more complex, high in chromaticity and difficult to decompose, treatment cost is lower, and the reuse rate of reclaimed water is larger and can reach 70-80%.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Wood plastic boards and method for making same

The invention discloses a wood-plastic board material and a production method thereof. The material is produced by a raw material with the following weight portions: 50 to 70 portions of polyethylene and polypropylene, 20 to 40 portions of crushed straw, old clothes and chemical fiber scrapped parts, 5 to 8 portions of slag powder or clinker, and 0.2 to 0.5 portion of additive. The production method is as follows: the blending-pulverizing is performed, and the weighing pavement is carried out after the crushing; the raw material is sent into a hotpress at a temperature of between 130 and 190 DEG C and at the pressure of between 12 and 18MPa, for 20 to 30 minutes, the cooling shaping is performed at a dropped temperature of between 50 and 70 DEG C for 10 to 20 minutes, and the product is taken out after the hotpress is opened. The material has excellent performances such as flame retardation, heat insulation, water proofness, acid and alkali resistance and so on, does not use glue during the hot press molding, has no pollution of formaldehyde, no toxicity and no smell, can be reclaimed for 100 percent, has simple maintenance and high reuse rate, and is a decorative building material with high strength, good elasticity and bending resistance; and the production method has high finished product rate, simple process, less investment and energy conversation.
Owner:韩进军
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