Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

37 results about "Chemical resource" patented technology

Chemical Resources (CHERESO), incorporated in 2003 is a company dedicated to the principles of tradition, innovation & research. CHERESO is a manufacturer, exporter and supplier of standardized herbal extracts and dietary supplements.

Thick seawater comprehensive utilization technique after seawater desalination

The invention provides a process for comprehensively utilizing desalinated seawater after desalination, including the following steps: the desalinated seawater is collected and potassium is extracted; magnesium is extracted; evaporation concentration is carried out and bromine is extracted; marine gypsum is extracted; salt is made with the desalinated seawater; the desalinated seawater is refined to produce liquid salt. The steps for extracting the potassium, magnesium and bromine of the invention can be inter-modulated. The process has the advantages that: Ca<2+> in saturated brine treated by the process is reduced by 85.21-94.29 percent, Mg<+2> is reduced by 51.22-63.98 percent, SO4<2-> is reduced by 85.57-93.82 percent, Br<-> is reduced by 75 percent, k<+> is reduced by 70 percent, Na<+> is increased by 3.06-5.86 percent and Cl<-> is increased by 7.96-9.38 percent. As ingredient of the brine changes, impendence of the brine evaporation is reduced; yield and quality of the sea salt are improved. The process for producing solar salt can not only effectively utilize chemical resource in the desalinated seawater but also greatly improve the yield and quality of the sea salt product. Bittern quantity of the brine is greatly reduced; if the produced saturated brine is refined, the liquid salt can be produced to directly supply an alkali plant for sintering the alkali.
Owner:TIANJIN CHANGLU HAIJING GRP CO LTD

Method for high resource treatment of cyclohexanone waste saponification lye

The invention relates to a method for high resource treatment of cyclohexanone waste saponification lye. The method is improvement on a method for performing zero emission treatment on waste saponification lye produced by producing cyclohexanone through cyclohexane oxidation technology. By using the method, a process is set that sodium sulfate and pulverized coal are calcined to obtain sodium sulfide and carbon dioxide flue gas on the basis of the prior art, carbon dioxide in flue gas reacts with sodium hydroxide and sodium carbonate in initial waste lye to generate sodium hydrogencarbonate, and partial moisture is evaporated in the waste lye by high-temperature heat in the flue gas. The method utilizes the joint production of the cyclohexanone waste saponification lye to obtain chemical resources with higher level such as sodium carbonate, sodium sulfide, monoprotic organic acid, clean fuel oil and the like, and has more remarkable economic benefit; the method achieves the zero emission through the treatment of a waste with another waste, completely roots up the pollution of the waste lye on the environment, and has remarkable social benefit; and waste resources are circularly utilized, so the method has low energy consumption and mature process, is suitable for the large-scale treatment on the cyclohexanone waste saponification lye, and is also used for industrialized production of the chemical resources in the waste lye.
Owner:赵志军

Technique for producing refined salt from salt production waste liquid

The present invention provides a refined salt preparation technology by using salt-making liquid waste. The technology comprises the following five steps: evaporation and concentration, mother liquor thickening, bitter salt recovery, washing and dehydration, as well as drying and packaging, and the refined salt will be finally sent to the salt storehouse. The effect of the invention is that the advanced vacuum salt-making technology and salt washing process are adopted in stead of alternative drying to produce high-quality industrial salt so as to improve the yield and quality of industrial salt. Meanwhile, the invention can also help improve the concentration of bittern that enters into the potassium-making work section to reduce the salinity and provide high-quality raw materials for the production of chemical plants; the application of the invention can save the alternative drying area, raise resource utilization rate, increase product yield and reduce the loss of chemical resources to provide a model road for comprehensive utilization of the seawater salt industry as well as the concentrated seawater salt-making after the desalination. The invention achieves organic combination between the new-type salt-making industry and the ocean chemical engineering and realizes zero-discharge of the salt-making waste liquid to make the brine resources be scientifically protected and rationally used. The invention can also protect the marine environment and gradually realize factory salt production.
Owner:TIANJIN CHANGLU HAIJING GRP CO LTD

Grid-based computational chemistry application integrated system

The invention discloses a grid-based computational chemistry application integrated system, which comprises distributed chemical resource modules, a grid middleware module and an operation interface module. The chemical resource modules are distributed at different grid nodes and include computing resources provided with computational chemistry application software and chemistry knowledge units with conceptions and methods relative to the chemistry field. The grid middleware module realizes share and collaboration of resources, forms a computing platform having performance higher than that of the single machine, and comprises a service interface unit, an operation dispatching unit and a knowledge base unit. The operation interface module comprises a molecular modeling unit for transforming molecular models into data structures inside computers, a molecular visualization unit for displaying three-dimensional structure of molecules, an operation managing unit for assisting users to submit operations to the grid and monitoring, operating and downloading the operations, and a management community unit. Molecular modeling, visualization, computing and result acquisition can be realized for users by the system, so that the users enjoy the convenient one-stop service.
Owner:COMP NETWORK INFORMATION CENT CHINESE ACADEMY OF SCI

Method for recycling silicon cutting sand by utilizing countercurrent washing of silicon cutting waste sand cake

InactiveCN103801545AGive full play to the washing functionReduce consumptionSolid waste disposalSilicon carbideCycloneChemical resource
The invention relates to a method for recycling silicon cutting sand by utilizing countercurrent washing of a silicon cutting waste sand cake, and belongs to the fields of circular economy and energy-saving emission reduction. The method is mainly characterized in that washing and separation functions of a cyclone group are utilized, and a multi-stage countercurrent washing technological process is formed according to purity requirements of a recycled silicon cutting material. The technological process is continuously carried out in closed pipeline equipment, so as to eliminate a recontamination risk of intermediate products; a washing agent is in gradient utilization in different stages, a washing function of the washing agent is fully played, the washing agent is recycled by solid-liquid separation, and thus cyclic utilization of the washing agent is achieved; an alkali washing operation is replaced, consumption of chemical resources is reduced, and thus zero pollution emission is achieved; and the constructed process device has compact structure. Through industrial tests, the purity of the silicon cutting sand recycled by four-stage countercurrent washing reaches more than 80%, the purity of the silicon cutting sand recycled by six-stage countercurrent washing reaches more than 96%, and the purity of the silicon cutting sand can be also improved through further increasing the stage number.
Owner:EAST CHINA UNIV OF SCI & TECH

Method for pickling waste sulfuric acid by comprehensive utilization of steel

The invention discloses a method for pickling waste sulfuric acid by comprehensive utilization of steel. The method comprises the following steps: 1) adding quicklime in steel pickling waste sulfuricacid, adjusting a pH value, stirring the material and performing pumping filtration to obtain a white filter cake and a yellow brown filtrate; b) using distilled water to flush the white filter cake,drying the white filter cake, and grinding the white filter cake to obtain a calcium sulfate product; c) flowing the yellow brown filtrate through a bed layer filled with cation exchange resin for absorption; d) using distilled water for flushing the absorbed and saturated cation exchange resin, adding hydrochloric acid, and performing constant-temperature concussion desorption; e) distilling desorption liquid, using regenerated hydrochloric acid in the step d); and f) heating and concentrating an iron chloride solution, and cooling crystal and filtering the crystal to obtain an iron chlorideproduct. The chemical deposition and an ion exchange method are combined for usage, acidity of waste acid is reduced, concentration of iron ions in the waste acid can be simultaneously increased, which is more suitable for an ion exchange technology, the technology is simple, no secondary pollution is generated, the utilization rate of steel pickling waste sulfuric acid is greatly increased, and the recycling of chemical resources is realized.
Owner:NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA

Associated search method and system of chemical knowledge

The invention provides an associated search method and system of chemical knowledge. The method takes a chemical resource bundle file (8) as the base and comprises the following steps: receiving the keywords to be searched which are input by a user; searching the keywords and obtaining an index address of a chemical substance matched with the keywords; obtaining the chemical substance content according to the index address of the chemical substance and displaying the chemical substance content such as the name of the chemical substance on a result list; taking the chemical substance on the result list as a center knowledge object; obtaining reactants associated with the chemical substance, resultants associated with the chemical substance or other reactants capable of reacting with the chemical substance, and then taking the reactants, the resultants or the other reactants as divergent knowledge objects; constructing a dynamic relation network chart composed of the center knowledge object and the divergent knowledge objects and displaying the knowledge content relative to the objects in the dynamic relation network chart. According to the associated search method and system of the chemical knowledge, the semantic associated search is supported, and the chemical substances and associated knowledge points which the user wants to learn can also be searched so that the study efficiency can be obviously improved.
Owner:SHENZHEN YOUXUETIANXIA EDUCATION DEV CO LTD

Technique for producing refined salt from salt production waste liquid

The present invention provides a refined salt preparation technology by using salt-making liquid waste. The technology comprises the following five steps: evaporation and concentration, mother liquor thickening, bitter salt recovery, washing and dehydration, as well as drying and packaging, and the refined salt will be finally sent to the salt storehouse. The effect of the invention is that the advanced vacuum salt-making technology and salt washing process are adopted in stead of alternative drying to produce high-quality industrial salt so as to improve the yield and quality of industrial salt. Meanwhile, the invention can also help improve the concentration of bittern that enters into the potassium-making work section to reduce the salinity and provide high-quality raw materials for the production of chemical plants; the application of the invention can save the alternative drying area, raise resource utilization rate, increase product yield and reduce the loss of chemical resources to provide a model road for comprehensive utilization of the seawater salt industry as well as the concentrated seawater salt-making after the desalination. The invention achieves organic combination between the new-type salt-making industry and the ocean chemical engineering and realizes zero-discharge of the salt-making waste liquid to make the brine resources be scientifically protected and rationally used. The invention can also protect the marine environment and gradually realize factory salt production.
Owner:TIANJIN CHANGLU HAIJING GRP CO LTD

Chemical method-electrodialysis-reverse osmosis integrated concentrated seawater softening and concentrating process

The invention belongs to the field of seawater desalination and concentrated seawater resource utilization, and relates to a chemical method-electrodialysis-reverse osmosis integrated concentrated seawater softening and concentrating process. According to the chemical method-electrodialysis-reverse osmosis integrated concentrated seawater softening and concentrating process, technical indexes canbe achieved on the basis of three membrane cell systems comprising chemical precipitation method for calcium removing and reverse osmosis, monovalent selective ion exchange membrane electrodialysis and pure concentrated membrane electrodialysis, concentrated brine is further in butt joint with a concentrating process to provide a liquid salt raw material for chlor-alkali, soda ash and other industries, TDS is required to be not lower than 200,000 mg/L; fresh water accords with the standard that the TDS is less than 500 mg/L in hygienic standard of drinking water, and all produced water needs to meet the requirement for directly discharging into sea or recycling in the process, the problem of environmental pollution and marine ecological imbalance caused by direct drainage of concentrated seawater can be relieved, and comprehensive utilization of seawater resources and enriched chemical resources is realized, so that the seawater desalination cost is reduced and reduced.
Owner:EAST CHINA UNIV OF SCI & TECH

Dual-mode drinking machine based on solar energy and electric heating

The invention discloses a dual-mode drinking machine based on solar energy and electric heating, which is characterized in that water is heated through the heat of a solar water heater, and is output through the dual-mode drinking machine. The main research purpose of the invention is to introduce a new energy source in the process of heating drinking water so as to reduce the dependence of the drinking water heating process on the traditional chemical energy sources and then to realize energy saving and consumption reduction. The dual-mode drinking machine comprises a solar heating device, an electric heating device and a drinking machine body, wherein the solar heating device comprises a pipeline and a heat exchanger; the heat exchanger is arranged in a drinking water storage tank of the drinking machine body; the heat exchanger is connected with the solar water heater through the pipeline; the electric heating device comprises a heater; the heater is positioned in the drinking water storage tank; the heater is connected with a controller. The dual-mode drinking machine based on the solar energy and electric heating has the main meanings that the drinking water is heated by utilization of the excess energy of the solar water heater, and the water quality of the drinking water cannot be affected in the whole process, so that a lot of chemical resources are saved, and the dependence of people on the chemical resources is reduced.
Owner:ZAOZHUANG UNIV

Remote control type automatic fire extinguishment fire fighting truck

ActiveCN108201669ARealize remote controlAvoid manual rescue casualtiesFire rescueElectricityResource consumption
A remote control type automatic fire extinguishment fire fighting truck comprises an externally arranged control mechanism, a truck body, a communication adaption device, a fire extinguishing agent preparation system, a material conveying device, a spray gun and a power mechanism, wherein the communication adaption device, the fire extinguishing agent preparation system, the material conveying device, the spray gun and the power mechanism are arranged on the truck body. The power mechanism is electrically connected with the communication adaption device, the fire extinguishing agent preparation system, the material conveying device and the spray gun. The externally arranged control mechanism controls the fire extinguishing agent preparation system, the material conveying device and the spray gun to complete preparation, conveyance and located spray of a fire extinguishing agent under the power supply of the power mechanism through the communication adaption device. According to the remote control type automatic fire extinguishment fire fighting truck, through the fire extinguishing agent preparation system adopting the manner that the fire extinguishing agent is used after being prepared in real time, waste of fire extinguishing chemical resources is avoided to the maximum extent; through the arrangement of an internal and external combination type sprayer, the fire extinguishment efficiency is significantly improved; remote control is achieved through the external remote control mechanism, and injuries and deaths are avoided; and the remote control type automatic fire extinguishment fire fighting truck is high in the overall automation degree, small in resource consumption and good in fire extinguishment effect.
Owner:王会智

Desalination method by membrane vaporization absorption

The invention provides a desalination method by membrane vaporization absorption. The method provided by the invention is characterized by comprising the following steps of: using a hydrophobic millipore membrane as a separation device and allowing two side surfaces of the hydrophobic millipore membrane to respectively contact with a processed liquid and an absorbent; absorbing water molecules in the processed liquid by the absorbent, wherein the temperature of the processed liquid is the same as or similar to that of the absorbent; separating the absorbent and water after absorption of the water molecules by the absorbent, so as to obtain desalinated water. The invention has the following effects: high-quality desalinated water is obtained at low cost; membrane pollution is slight; the yield of seawater desalination is high, and the discharge of concentrated water is minimized after seawater desalination so as to cause no unfavorable influence on the ecological environment; comprehensive utilization of seawater chemical resources can be realized, the technology is optimized to extract potassium, bromine and magnesium chemical products, and consumption of acid, alkali and chlorine chemical medicines is minimized during the technological process; and seawater only undergoes simple sand filtration as a pretreatment. In comparison with a reverse osmosis technology, the pretreatment is simple, and the quality of the desalinated water by the pretreatment is much better than that of product water by reverse osmosis.
Owner:吕晓龙
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products