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224results about How to "Good use effect" patented technology

Method for separating copper from nickel and cobalt solution

The invention discloses a method of separating copper from nickel cobalt solution, which relates to a method of separating copper from nickel cobalt solution during the technical process of producing high quality nickel or cobalt through a hydrometallurgy method. The invention is characterized in that LIX<QUESTION MARK> series of extracting agent is adopted to extract and separate copper in the nickel cobalt solution, the conditions of the extracting process are as follows: firstly, the pH value of the feed solution of the nickel cobalt solution is 1.5 to 2.5; secondly, the organic compounding ratio is 5 percent to 35 percent; thirdly, organic thinning agent is number 260 solvent oil or sulfonated kerosene; fourthly, the copper in the feed solution is extracted out through adopting two to three-stage countercurrent extraction; loading organic phase is washed through adopting zero to two-stage diluted acid solution; the copper in the loading organic phase is circularly and back washed through adopting 1 to 3 stages; fifthly, the concentration of the washing loading organic dilute sulfuric acid is 0 to 50 g/l; the concentration of the sulfuric acid for back washing the copper in the loading organic phase is 140 to 190 g/l; sixthly, the temperature during the extracting process is controlled to 15 to 35 DEG C. Compared with the traditional copper removal process, the method of the invention has the advantages that the process flow is short, the adaptability of the raw material is strong, the raw material consumption and energy consumption are few, the metal recovery ratio is high, and the comprehensive utilizing effect is good.
Owner:JINCHUAN GROUP LIMITED

Method for collaborative treatment of positive and negative active materials of waste lithium-ion batteries

The invention discloses a method for collaborative treatment of positive and negative active materials of waste lithium-ion batteries, and belongs to the technical field of lithium-ion battery material recovery. Appropriate amount of concentrated sulfuric acids are added into a mixture of positive active materials and negative active materials obtained by crushing and separating the waste lithium-ion batteries for reaction and maturation to obtain solidified clinker, the obtained solidified clinker is leached with water or dilute acids, a leached solution containing cobalt, lithium, nickel, titanium and other useful metal elements is obtained from leached pulp through sedimentation and separation, high-quality graphite and residues are obtained from leached residues through centrifugal classification to achieve collaborative intensified treatment of the positive and negative active materials of the waste lithium-ion batteries, nickel, cobalt, manganese, lithium, graphite powder and other components can be recovered comprehensively, the recovery process of active materials in waste batteries is conducive to simplifying, the recovery rate of useful elements is high, and the purity ofrecovered graphite products is high. Main consumption agents of the method are sulfuric acids, and the cost is low.
Owner:BEIJING MINING & METALLURGICAL TECH GRP CO LTD

Gordonia alkanivorans and application in oil degradation

InactiveCN101974466AGood use effectBroad application prospect of bioremediationBacteriaMicroorganism based processesBioremediationNonadecane
The invention discloses a Gordonia alkanivorans and application in oil degradation, and belongs to the field of biotechnology. The Gordonia alkanivorans S104 is separated from a sea mud sample in Dalian area, and was collected in the Chinese General Microbial Culture Collection (CGMCC) on October 12th, 2010, wherein the collection number is 4224. The Gordonia alkanivorans is gram positive bacteria, has a rodlike shape, is determined by 16SrDNA sequence, and has high similarity (99.7 percent) with Gordonia alkanivorans, so the Gordonia alkanivorans is named Gordonia alkanivorans; however, the colonial morphology and the physiological and biochemical characters of the Gordonia alkanivorans are different from those of the model strains of the Gordonia alkanivorans. A plurality of hydrocarbons and aromatic compounds can be used by the Gordonia alkanivorans as sole carbon source, which comprises decane, undecane, hexadecane, nonadecane, docosane, octacosane, naphthalene, anthracene, phenanthrene, fluorene and terphenyl; the Gordonia alkanivorans can degrade oil, such as crude oil, diesel oil, soybean oil, olive oil and the like; and the Gordonia alkanivorans grows better in the diesel oil at 2 percent concentration, can degrade the crude oil, and has a promising application prospect in bioremediation of pollution of the crude oil and the diesel oil.
Owner:DALIAN UNIV OF TECH

Preparation method of stichopus japonicus fermented feed capable of replacing alga

InactiveCN103039727AAlleviate the pressure of overharvestingProtect the environmentAnimal feeding stuffWater contentHerb
A preparation method of stichopus japonicus fermented feed capable of replacing alga is prepared by taking water caltrop, hydrilla varticillata, water hyacinth, aggregation of grass, alfalfa and common seepweed herb as the alga replacing raw material and additionally adding four, sea mud, multi-vitamin, fish meal, mussel powder, bean pulp, earthworm powder and zeolite powder with the steps of: drying all materials till the water content is less than 12%, and crushing to be 60 meshes, so as to obtain a fermentation substrate; mixing water, brown sugar, table salt and flour, adding rhizopus, trichoderma, saccharomyces cerevisiae, bacillus subtilis and lactic acid bacteria, mixing uniformly, standing and fermenting for 2h, so as to obtain a feed fermenting bacteria solution; and inoculating the fermentation substrate according to the ratio of 0.4% to 0.5% at the environment temperature of 25 DEG C to 30 DEG C, carrying out solid fermentation, and then drying and crushing, thereby obtaining the stichopus japonicus fermented feed. The preparation method has the advantages that the raw material source is stable, the cost is low, the process is simple and east to operate, and a great significance is provided in reducing culture cost of stichopus japonicas, maintaining an ecological environment, reasonably using idle resource and prompting the health sustainable development of stichopus japonicu culture industry.
Owner:JINZHOU MEDICAL UNIV

Method for preparing vanadium pentoxide

The invention relates to the field of production of vanadium pentoxide and in particular relates to a method for preparing vanadium pentoxide. The method comprises the following steps: (A) adding a sulfuric acid solution and an additive into stone coal, thereby obtaining a first mixture; (B) adding the first mixture into deionized water, stirring, and performing solid-liquid separation; (C) standing the liquid phase, thereby obtaining a first precipitate, separating the first precipitate, adding ammonium bicarbonate into the first supernatant, stirring to be uniform, continuously standing and separating a second precipitate, thereby obtaining the second supernatant; (D) adding calcium hydroxide and / or calcium oxide into the second supernatant, thus obtaining a third precipitate and the third supernatant; (E) saturating an ion exchange resin, eluting by using sodium hydroxide, thereby obtaining a vanadium solution; and (F) adding a pH regulator into the vanadium solution, adding hydrogen peroxide, finally adding ammonium chloride, performing centrifugal separation, obtaining a precipitate ammonium metavanadate, carrying out an ammonium metavanadate decomposition reaction, thereby obtaining the vanadium pentoxide. According to the preparation method disclosed by the invention, the cost is low, and three wastes are avoided.
Owner:江西钒业科技有限公司

Two-section flue gas hot-water single/double-effect composite lithium bromide absorption type refrigerating unit

The invention relates to a two-section flue gas hot-water single/double-effect composite lithium bromide absorption type refrigerating unit which comprises a flue gas type high-pressure generator (7), an evaporator, an absorber, a steam generator (19), a hot-water generator (21) and a condenser, and is characterized in that the condenser comprises a single-effect condenser (22) and a double-effect condenser (18); a heat exchange tube bundle of the hot-water generator (21) and a heat exchange tube bundle of the single-effect condenser (22) are arranged in a cavity; a heat exchange tube bundle of the steam generator (19) and a heat exchange tube bundle of the double-effect condenser (18) are arranged in another cavity; the cooling water process of the single-effect condenser (22) and the double-effect condenser (18) is a series process; and cooling water flows into the single-effect condenser (22) and flows out of the double-effect condenser (18). According to the two-section flue gas hot-water single/double-effect composite lithium bromide absorption type refrigerating unit, the generation pressure of the hot-water generator can be reduced, the dilute solution concentration of a hot-water single-effect cycle is reduced, and the waste heat flue gas outlet temperature is reduced.
Owner:SHUANGLIANG ECO ENERGY SYST CO LTD

Method for recycling blast furnace gas

The invention relates to a method for recycling blast furnace gas, and solves the problems of low additional value and poor using effect of the blast furnace gas because the advantages of the composition and chemical properties of the blast furnace gas cannot be brought into full play in the conventional method for recycling the blast furnace gas. The method comprises the following steps of: firstly, compressing the blast furnace gas and then allowing the compressed blast furnace gas to enter a temperature swing adsorption system for treatment to obtain purified blast furnace gas; secondly, pressurizing the purified blast furnace gas and then conveying the pressurized blast furnace gas to a pressure swing adsorption carbon extraction system for adsorption and purification to obtain carbon mixed gas; thirdly, pressurizing the rest blast furnace gas and then conveying the pressurized blast furnace gas to a pressure swing adsorption nitrogen extraction system to separate and recycle nitrogen; and finally, returning the rest blast furnace gas to a gas fuel system. The volume purity of the CO and CO2 mixed gas is over 95 percent and the mixed gas provides a synthesis air source for methanol and an organic synthesis and processing system; the volume purity of the nitrogen is over 99.5 percent, so that the problem that steel enterprises need the nitrogen with the volume purity of over 99 percent is solved; and the blast furnace gas has high additional value.
Owner:HEILONGJIANG JIANLONG IRON & STEEL

Upper bag body mechanism and bag body loading method

The invention relates to a paper bag processing device and a paper bag processing method. An upper bag body mechanism comprises a frame and a bag body storing mechanism, wherein the bag body storing mechanism comprises a support plate which is arranged obliquely and of which the upper end is connected together with the frame, a blocking-pushing frame positioned on the support plate, and a driving mechanism for driving the blocking-pushing frame to move along the inclination direction of the support plate; a bag body transferring mechanism, a bag body opening and loading mechanism and a bag opening and holding frame are arranged on the frame; the bag body transferring mechanism is positioned between the bag body storing mechanism and the bag body opening and loading mechanism; the bag opening and loading mechanism is positioned between the bag body transferring mechanism and the bag body opening and holding frame. According to the upper bag body mechanism, a bag body plate on which a hand rope is to be arranged can be changed into an open bag body, and the bag body is kept in an open state, so that the problem of limitation on realization of automatic installation of the hand rope since a mechanism for changing the bag body on which the hand rope is to be arranged to the open state and keeping the bag body in the open state is unavailable is solved.
Owner:杭州汇八科技有限公司

Compound parabolic concentrator (CPC) solar energy concentration and photovoltaic power generation combined application device

A compound parabolic concentrator (CPC) solar energy concentration and photovoltaic power generation combined application device relates to a solar energy concentration and photovoltaics combined application device, belongs to the technical field of solar energy application, aims at separately using infrared light and visible light in solar radiation energy, and has good utilization efficiency. A solar photovoltaic battery, foam quartz glass and quartz glass are sequentially arranged on the inner surface of a CPC, wherein visible light is covered on the quartz glass in plating mode to reflect feature films of infrared. Reflected infrared waves enter a heat absorber to be converted into heat energy, visible light penetrates through the quartz glass and is reflected and refracted for multiple times by the foam quartz glass and uniformly irradiated onto the surface of the solar energy, and electric power is output. According to changes of sunlight incident angles, distribution proportion of optothermal quantity and photoelectrical quantity of a system is adjusted. The CPC solar energy concentration and photovoltaic power generation combined application device comprehensively uses solar energy, can provide heat energy and power supply power, is simple in processing and operating, and has huge application potential.
Owner:HARBIN INST OF TECH

Waterway system, control method, water purifier and machine readable storage medium

The embodiment of the invention provides a waterway system, a control method, a water purifier and a machine readable storage medium. The waterway system comprises: an electrolytic treatment assemblywhich is communicated with a raw water end through a pipeline and is used for electrolyzing raw water from the raw water end; the water purification treatment assembly is communicated with the raw water end through a pipeline and is used for purifying raw water; a water outlet of the electrolytic treatment assembly is communicated with a water inlet of the water purification treatment assembly through a pipeline; the first controllable valve is used for controlling connection and disconnection between the water outlet of the electrolytic treatment assembly and the water inlet of the water purification treatment assembly; and the controller is configured to control the electrolysis treatment assembly and / or the water purification treatment assembly to work. Under the condition that the water purification treatment assembly needs to be descaled, controlling the first controllable valve to be opened so as to input the raw water electrolyzed by the electrolysis treatment assembly into thewater purification treatment assembly.
Owner:FOSHAN SHUNDE MIDEA WATER DISPENSER MFG

Sequencing batch photocatalytic reactor

The invention provides a sequencing batch photocatalytic reactor, which comprises a reaction section, a separation section, a separation section, a clean water tank and a sewage tank; the reaction section comprises a shell, an inclined plate section and light sources, wherein the inclined plate section is positioned in the middle of the shell, the light sources are positioned on both sides of the inclined plate section, the inclined plate section consists of upright plates, inclined plates and baffles, which are connected, a water distributor is arranged over the inclined plate on the upmost layer, and is connected with the sewage tank through a conduit, a control valve and a water supply pump, and a water-receiving tank is arranged under the inclined plate on the lowest layer; the separation section comprises separators, each separator comprises an upper water accumulator and a bottom soft magnet, the separators are connected with the water-receiving tank through conduits and valves, and each water accumulator is provided with an overflow tube and a discharge tube. The reactor operates by the way of sequencing batch; catalyst and pollutant can be uniformly mixed, so the contact effect is good; liquid is shaped like a film when flowing on the inclined plates of the reactor, so the effect of utilizing direct light and reflected light is good; and sampling inspection is convenient. Catalyst can be conveniently recovered; the catalyst load can be flexibly adjusted; and the operation is simple and flexible.
Owner:HARBIN ENG UNIV

Copper extraction and iron removal method of copper ore acid leaching liquid

The invention discloses a copper extraction and iron removal method of copper ore acid leaching liquid. The method comprises the following steps: breaking secondary copper oxide ore and secondary copper sulfate ore, mixing and performing wet-process dump leaching; using dilute sulphuric acid as a leaching agent for conducting spraying and leaching to obtain faintly acid leaching liquid; extracting copper from the leaching liquid through extraction or ion exchange to obtain copper-rich liquid and copper-deficient liquid; electrodepositing the copper-rich liquid to obtain cathode copper; performing high-temperature high-pressure continuous iron removal on the copper-deficient liquid in an oxidizing atmosphere to obtain ore pulp, filtering to obtain hematite slag, acidifying and oxidizing part of the copper-deficient liquid, and feeding to a stock dump for cyclic leaching. According to the method, iron ions and the copper sulfate ore are subjected to oxidative reduction in the dump leaching process; iron ions in the dump leaching liquid mainly exist in the form of divalent iron ions, so that the step of reducing divalent iron ions is removed for subsequent copper extraction; iron is removed by a high-temperature high-pressure process, so that the slag yield is low, the environmental protection pressure is small, and the iron slag can be reutilized; sulfuric acid generated in the iron removal process does not need to be neutralized and directly returns to the stock dump for cyclic leaching, so that the comprehensive utilization effect is good.
Owner:HENAN GONGXIN ENVIRONMENTAL PROTECTION & TECH CO LTD

Two-stage single-effect and double-effect lithium bromide absorption refrigerating unit with smoke and hot water afterburning

The invention relates to a two-stage single-effect and double-effect lithium bromide absorption refrigerating unit with smoke and hot water afterburning. The two-stage single-effect and double-effect lithium bromide absorption refrigerating unit with smoke and hot water afterburning comprises a smoke-afterburned high pressure generator (7), an evaporator, an absorber, a steam generator (19), a hot water generator (21), a condenser, a heat exchanger, a solution pump and a coolant pump and is characterized in that the condenser comprises a single-effect condenser (22) and a double-effect condenser (18), a heat exchange tube bundle of the hot water generator (21) and a heat exchange tube bundle of the single-effect condenser (22) are disposed in one chamber, a heat exchange tube bundle of the steam generator (22) and a heat exchange tube bundle of the double-effect condenser (18) are disposed in another chamber, cooling water flow paths of the single-effect condenser (22) and the double-effect condenser (18) are serially connected, and cooling water enters from the single-effect condenser (22) and comes out of the double-effect condenser (18). Generating pressure of the hot water generator can be lowered, concentration of dilute solution in hot-water single-effect circulation is lowered, and temperature of a waste heat smoke outlet is lowered.
Owner:SHUANGLIANG ECO ENERGY SYST CO LTD

Converter molten red slag sensible heat recovery device and afterheat recovery method

The invention discloses a converter molten red slag sensible heat recovery device and an afterheat recovery method. The device comprises a charging opening dust collecting cover, a vertical cooling device, a desorption agent spraying coating device, a slag disintegrating sealing chamber, a cold air pipeline system, a hot air pipeline system, an afterheat boiler heat exchange device and a return air pipeline system; the charging opening dust collecting cover is arranged above a charging opening of the vertical cooling device; the desorption agent spraying coating device is arranged at the upper end of the vertical cooling device and communicates with the interior of the vertical cooling device; the slag sealing chamber sealing chamber is formed below a discharging opening of the vertical cooling device; a vapour-water pipeline system of the vertical cooling device communicates with the slag disintegrating sealing chamber; the hot air pipeline system and the cold air pipeline system communicate with the vertical cooling device; and the hot air pipeline system is connected with the return air pipeline system through the afterheat boiler heat exchange device. According to the converter molten red slag sensible heat recovery device and the afterheat recovery method, quick cooling of molten slag, gradient utilization of temperature, a continuous afterheat recovery process, high automation degree of device operation, energy conversation, and emission reduction are realized, and meanwhile, the economy of subsequent comprehensive utilization of converter molten slag is met.
Owner:SINOSTEEL ANSHAN RES INST OF THERMO ENERGY CO LTD
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