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31results about How to "Mitigate insufficient resources" patented technology

Technology for producing fulvic acid fertilizer and high-strength corrugated paper by using whole cotton stalks as raw materials

The invention provides a technology for producing a fulvic acid fertilizer and high-strength corrugated paper by using whole cotton stalks as raw materials. With the whole cotton stalks as the raw materials, by a weakly-acid imidized machine pulp pulping technology, through optimal combination of the cooking temperature, the cooking time and the pH value as well as high-concentration pulping and other pulping technological links, pulping red liquor rich in fulvic acid is prepared for producing the fertilizer, and high-performance pulp with a relatively light color is produced for producing thehigh-strength corrugated paper. By the technology, defects and shortcomings of a strong-alkali and strong-acid technology are avoided, differences in traits, components and structures of the whole cotton stalk raw materials are overcome, fulvic acid producing active components contained in cotton stalk cores, cotton stalk pulps, cotton boll shells and cotton stalk skins in the whole cotton stalksare effectively utilized, the advantage of combination of long and short whole cotton stalk fibers is effectively played for producing the high-strength corrugated paper, comprehensive utilization ofwhole cotton stalk resources is achieved, and a technological path for industrial and commercial utilization of the whole cotton stalk raw materials is opened up.
Owner:白博

Wood and bamboo-unfolded thick veneer collection laminated material and preparation method thereof

The invention discloses a wood and bamboo-unfolded thick veneer collection laminated material with fast-growing woods and mao bamboos as raw materials and a preparation method of the wood and bamboo-unfolded thick veneer collection laminated material. The wood and bamboo unfolded thick veneer collection laminated material comprises at least three layers of odd wood laminated veneers and bamboo unfolded thick veneers, wherein the wood laminated veneers and the bamboo unfolded thick veneers are alternately and hierarchically stacked and are bonded and pressed into an integrated body through adhesive agents; the wood laminated veneers are distributed on both a surface layer and a bottom layer of the integrated body; and all the veneer layers are longitudinally arranged or horizontally and longitudinally arranged. The bamboo-unfolded thick veneers are formed in a way that every two of ladder-shaped unfolded bamboo plate unit bodies formed by unfolding original arc-shaped bamboo blocks correspond to each other in a turned way and are longitudinally laminated. According to the wood and bamboo-unfolded thick veneer collection laminated material provided by the invention, the production process is simplified, the production cost is reduced, the raw material consumption of unit product is controlled, the benefits of woods and bamboos are fully exerted, the mechanical property of wood and bamboo compound materials is improved, and the application range is widened.
Owner:刘佐财 +1

Service container resource allocation method and system under distributed cloud system-cloud cluster architecture

The invention relates to the technical field of cloud computing, in particular to a resource allocation method and system for a service container under a distributed cloud system-cloud cluster architecture. The distribution method comprises the steps that the local micro-cloud system estimates the number of containers needing to be constructed for completing tasks and related resource demands according to task requests submitted by terminal users, and decides whether the service requests of the terminal users can be served by the local micro-cloud system or not based on a task management algorithm operated by the local micro-cloud system; if the local micro-cloud system has enough resources to directly execute the task, a virtual machine is created according to a strategy with the lowest computing service cost, and a container is created on the newly created virtual machine to provide service; and if the service cannot be performed, a cross-micro-cloud container resource allocation scheme with the lowest service cost is calculated and generated based on a double-chromosome genetic algorithm, and part or all of the tasks is transferred to other adjacent micro-cloud systems for execution. According to the invention, through cross-microcloud scheduling of physical resources, the problem of insufficient resources of a single microcloud in a business peak period is solved.
Owner:SUN YAT SEN UNIV

Humic acid composite material and preparation method thereof

InactiveCN103360736AWeakly acidicWith cation exchangeAntioxidantPlasticizer
The invention provides a humic acid composite material and a preparation method thereof. The humic acid composite material is formed by mixing of the following components by weight: 1%-60% of humic acid, 10%-99% of a polymer, 0%-10% of a compatibilizer, 0%-10% of a plasticizer, 0%-12% of a lubricant, and 0%-1.5% of an antioxidant. In the invention, the abundant and cheap renewable degradable biological resource humic acid is adopted as a substrate, at least one polymer is compounded, and melt blending of the polymer is conducted to form the composite material. Therefore, the application scope of humic acid is broadened, its utilization rate is enhanced, and insufficiency of petroleum based polymer resources is relieved, so that the humic acid composite material has broad industrial application prospects. With a low production cost, the humic acid composite material provided in the invention has mechanical properties meeting the requirements of actual use and is degradable.
Owner:SOUTH CHINA UNIV OF TECH +1

Method for extracting phytosterol from bamboo or timber

ActiveCN101235073AIncrease added valueAlleviating the Insufficiency of Medicinal Phytosterol ResourcesSteroids preparationSolventChemistry
The invention discloses a method for extracting phytosterin from bamboo or wood, which comprises (1) using solvent to obtain extract from bamboo or wood, evaporating at 5-100DEG C and 0-0.99MPa, recovering solvent and obtaining extract, (2) arranging the extract in a thermal cracking furnace, feeding inertia gas, increasing temperature to 300-800DEG C, processing directional thermal cracking in the presence of catalyst, cooling thermal cracking steam and obtaining thermal cracking product, (3) at 50-200DEG C and 0-0.1MPa vacuum degree, removing thermal cracking product from the material with low boiling point, and at 150-300DEG C and 0-0.99MPa vacuum degree, steaming out phytosterin. The invention can improve the added values of bamboo and wood, and release the lack of medicine phytosterin, with significant social, environment and economic benefits, while the invention has simple process, easy operation, better controllability, low cost, industrial production and wide application.
Owner:张家界仙踪林药业有限公司

Electric furnace steel slag-based cement admixture or concrete admixture as well as preparation method and application thereof

The invention discloses an electric furnace steel slag-based cement admixture or concrete admixture comprising the following components in parts by mass: 80-93 parts of ladle furnace refined steel slag, 2-8 parts of phosphogypsum, 5-12 parts of lithium slag and 0-0.2 part of an additive. The invention further provides a preparation method of the electric furnace steel slag-based cement admixture or concrete admixture and an application of the electric furnace steel slag-based cement admixture or concrete admixture in production and preparation of cement and concrete. The electric furnace reduction steel slag is utilized to the maximum extent, byproducts such as phosphogypsum and lithium slag are combined to serve as auxiliary components, the characteristics of self-hydration hardening andhigh adaptability are achieved, the superposition effect and synergistic efficient utilization of multiple kinds of waste are achieved, waste utilization is achieved, environmental protection is achieved, the cost is low, the cost performance is high, and the application prospect is wide.
Owner:SUN YAT SEN UNIV

Process for preparing high active powder composite green storage inoculating agent and its carrier adsorption agent

The present invention belongs to the field of silage fermenting promoter technology. The present invention includes simultaneous inoculation of and asynchronous with of lactostreptococcus as initial fermenting bacteria and lactobacillus as subsequent fermenting bacteria, normal temperature carrier adsorption post-processing technology, optimizing the recipes of seed culture medium activating factor, industrial fermenting culture medium and protecting agent, and re-compounding fermented lactic acid bacteria and cellulase. The present invention has the features of mild production condition, low cost, high product activity, etc. The product may fit different silage materials and different silage conditions and can promote the fermentation of lactic acid bacteria and the homotypic fermentation, control negative fermentation, reduce loss of nutrients during fermentation and make full use of resource.
Owner:JIANGNAN UNIV

Preparation method of corn viscose fiber, antimicrobial viscose fiber and garment production method therewith

The invention discloses a preparation method of a corn viscose fiber, an antimicrobial viscose fiber and a garment production method with the corn viscose fiber and the antimicrobial viscose fiber. The method belongs to the technical field of textile. The method comprises the following steps: preparing the unmolded corn husks, steaming and boiling, washing with water, bleaching, using acid and alkali treatment, yellowing, filtering, defoaming, spinning and administering post-treatment process, obtaining the viscose fiber. The preparation method uses corn husks as raw material for the production of viscose fiber, provides new raw materials for the viscose fiber production, enriches the diversity of viscose fiber family, lessens the raw material deficiency of viscose fiber, transforms wastes into treasures, exploits the added value of corn husks and creates conditions for the income growth of farmers.
Owner:ZHEJIANG EMF COSPLAY CULTURE IND

Method for transplanting deep learning network to FPAG platform

The invention discloses a method for transplanting a deep learning network to an FPAG platform. According to the invention, a 1-bit quantification scheme is adopted to quantify an original model intoa binary deep learning model; the memory occupation is reduced to 1 / 32 of the original floating point type weight, and the weight parameter is only in the binary state, so that the binary operation can be quickly realized by the logic gate device, and the problem of insufficient DSP resources can be greatly alleviated to a certain extent.
Owner:电科瑞达(成都)科技有限公司

Application of litsea cubeba residues and composite feed additive

The invention discloses an application of litsea cubeba residues in a feed additive used for improving a microflora in animal intestines, and provides a composite feed additive composed of the litsea cubeba residues and a compound enzyme preparation. The litsea cubeba residues are generated after litsea cubeba oil is extracted. The composite feed additive can remarkably improve diversity and richness of poultry hindgut microfloras.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Preparation method of okra colored viscose fiber and obtained leisure wear

The invention discloses a preparation method of an okra colored viscose fiber and an obtained leisure wear and belongs to the technical field of textiles. The preparation method comprises the steps that fibrotic okra is picked for material preparation, nano fiber preparation, alkalization, yellowing, dissolution, filtration, deaeration and spinning are performed, and the viscose fiber and the leisure wear are manufactured through a post-treatment process. The okra is used as the raw material to manufacture the viscose fiber leisure wear, a novel raw material is provided for preparation of the viscose fiber, the diversity of the viscose fiber is enriched, the shortage of viscose fiber resources is decreased, waste is turned into wealth, the added value of the fibrotic okra is played, farmers' losses are redeemed, and conditions are created for income increase. The viscose fiber has its color and does not need later dyeing, and skin injury caused by chemical reagent residues in the dyeing process is avoided.
Owner:广东安之伴实业有限公司

Implementation method of psychological counseling and chatting robot for depressive population

The invention relates to a psychological consultation chat robot implementation method for depression crowds, which comprises the steps of building a cognitive guidance dialogue module based on a template type scheme and building a psychological question and answer chat module based on a retrieval type scheme. Firstly, a cognitive guidance dialogue module is started, an input text is matched with a predefined template in the cognitive guidance dialogue module, if matching succeeds, an output statement is generated according to the matched template, otherwise, a psychological question and answer chat module is started, the input text is matched with a question pre-stored in the psychological question and answer chat module, and the input text is matched with the question pre-stored in the psychological question and answer chat module. And generating an output statement based on the answer of the question with the highest matching score. Compared with the prior art, the method has the advantages that cognitive guidance is carried out on the user by using a template type scheme, a retrieval type scheme is used as a supplement, suggestions and support are provided for the trouble of the user, and the diversity and interestingness of reply are improved.
Owner:TONGJI UNIV

Waste construction residue mud-based unfired early-strength lightweight aggregate and preparation method thereof

PendingCN114085053ASolve the problem of solid waste accumulationSolve the problem of high energy consumption and large emissionsAdhesiveEnvironmental engineering
The invention relates to a waste construction residue mud-based unfired early-strength lightweight aggregate and a preparation method thereof. The waste construction residue mud-based unfired early-strength lightweight aggregate is prepared from waste construction muck mud, an inorganic cementing material, an adhesive and water. The method comprises the following steps: pre-mixing and dry-mixing the residue mud subjected to moisture content pretreatment and an inorganic cementing material in a disc granulator according to a certain proportion, adding an adhesive and water into a mixture, uniformly stirring again, and preparing granular aggregate through a disc granulation process or a curing and crushing process; and curing the aggregate to obtain the waste construction residue mud-based unfired early-strength lightweight aggregate with early strength, light weight and low water absorption. The aggregate for the concrete is prepared by recycling the waste building residue soil generated by engineering construction, the production process is green and environment-friendly, and the product forming rate is high. The comprehensive utilization efficiency of the waste building resources can be effectively improved, the production cycle of the product can be greatly shortened, and the method is suitable for large-scale industrial production and application.
Owner:TONGJI UNIV

Trans-provincial peak regulation auxiliary service market clearing method considering power grid safety constraints

The invention discloses a trans-provincial peak regulation auxiliary service market clearing method considering power grid safety constraints, and belongs to the technical field of power system scheduling. The method comprises the following steps: (1) obtaining trans-provincial peak regulation auxiliary service basic data, wherein the trans-provincial peak regulation auxiliary service basic data comprises equipment basic parameters, energy storage environment parameters, a current operation state, load historical data, response historical data, power utilization load prediction, energy storage output expectation, energy storage technical characteristics, response economy and response reliability; (2) establishing a multi-objective optimization scheduling model, wherein the load peak-valley difference should be reduced as much as possible when a power grid scheduling center formulates a scheduling strategy, and meanwhile, loads in a local time period are smoothened to reduce frequent start and stop of a unit; (3) optimizing and solving the obtained unit power generation plan: considering all network monitoring elements, and carrying out security check on each time period in the scheduling period. A feasible theoretical and technical guarantee is provided for clearing of a trans-provincial peak regulation auxiliary service market.
Owner:NORTHWEST BRANCH OF STATE GRID POWER GRID CO +2

Method for extracting phytosterol from bamboo or timber

The invention discloses a method for extracting phytosterin from bamboo or wood, comprising: (1) using solvent to obtain extract from bamboo or wood, evaporating at 5 to 100 DEG C and 0 to 0.99 MPa, recovering solvent and obtaining extract; (2) arranging the extract in a thermal cracking furnace, feeding inertia gas, increasing temperature to 300-800 DEG C, carrying out directional thermal cracking in the presence of catalyst, cooling thermal cracking steam and obtaining thermal cracking product; (3) at 50 to 200 DEG C and 0 to 0.1 MPa vacuum degree, removing thermal cracking product from thematerial with low boiling point, and at 150-300 DEG C and 0-0.99MPa vacuum degree, steaming out phytosterin. The invention can improve the added values of bamboo and wood, and release the lack of medicine phytosterin, with significant social, environment and economic benefits. The invention has simple process, easy operation, better controllability and low cost, thus is suitable for industrial production with wide application.
Owner:张家界仙踪林药业有限公司

A UAV target detection method in 5G environment

ActiveCN110287945BSolving High Energy Computing ProblemsImprove the accuracy of real-time target detectionTelevision system detailsColor television detailsEdge computingEdge node
The invention provides a target detection method for drones in a 5G environment, which belongs to the technical field of 5G technology, drones, target detection and edge computing. The computing power of the terminal side of the man-machine can detect the images obtained by the aerial photography of the UAV in real time, and the undetermined target is transmitted back to the 5G base station side for analysis through 5G, and the results are fed back to the UAV in real time, changing the UAV. The way of travel, change the angle or adjust the sensing equipment to complete the target detection task. In addition, the edge intelligent computing nodes are managed uniformly through the cloud center, and intelligent models and services are assigned to the edge nodes according to the UAV target detection task.
Owner:山东浪潮创新创业科技有限公司

Large blast furnace mixed injection meager lean coal application method

The invention discloses a large blast furnace mixed injection meager lean coal application method. According to the component weight ratio, anthracite: bituminous coal: lean coal is 70-72:10-12:20-21.The method has the beneficial effects that the deficiency of excellent coal resources is relieved, and blast furnace normal production needs are ensured; the enterprise production cost is reduced, and energy-saving consumption-reducing aims are achieved; environment pollutions caused by coking are reduced, and the social environment-friendly benefits are achieved.
Owner:BENGANG STEEL PLATES

Feed for quails in egg producing period and manufacturing device

The invention discloses feed for quails in an egg producing period and a manufacturing device, and relates to the technical field of animal feed. The feed for the quails in the egg producing period is prepared from the following formula raw materials of cassava slices, mycoprotein, cassava residues, stone powder, tallow, red rice koji residues, polymerase peptides, calcium hydrogen phosphate, table salt, lysine, methionine, arginine, threonine, choline chloride, a quail premix, isoleucine, valine, tryptophan and yellow mealworm excrement. According to the feed for the quails in the egg producing period, feed waste residues are adopted for replacing corn and soybean meal raw materials for preparation, dependence on the corn and soybean meal raw materials is relieved, resource utilization is improved, and contribution is made for relieving feed resource insufficiency and reducing livestock and poultry feeding cost; the manufacturing device can accurately control the temperature in a box body during fermentation; compared with fermentation depending on the external natural temperature, the application range is wider; compared with the situation that a cover needs to be used for sealed fermentation in a fermentation cylinder, operation is easy, and the practicability of the device is effectively improved.
Owner:SHANGHAI NONGHAO FEED

A Coke Pushing Process Control Method for Reducing the Coking Pushing Current

The invention discloses a coke pushing process control method for reducing the coke pushing current in the coking oven, which comprises the following steps: 1) After the coke in the coking oven coking process is mature, the furnace door is opened on the left, upper and right walls of the coking oven wall Carry out high-pressure oxygen purging separately until the graphite on the wall is burned; 2) After the oxygen purging is completed, align the coke pusher rod with the coke in the coke oven and gradually move towards the coke. After an instant stop for 1s, continue to advance at the speed of the first gear. When moving forward at the first gear speed for 1‑1.2s, switch to the second gear. After moving forward at the second gear speed for 1‑1.2s, switch to the third gear. After moving forward for 6‑7s, switch to gear 4, and continue to push the coke to push the coke out of the carbonization chamber.
Owner:BAOSHAN IRON & STEEL CO LTD

System and method applied to community parking refined treatment

The embodiment of the invention provides a system and method applied to community parking refined treatment, the system comprises a front-end subsystem and a background subsystem, and the background subsystem comprises a voting management module and a parking authentication module; the voting management module is used for creating votes and sending the votes to the front-end subsystem; the front-end subsystem is used for sending a voting result of a user to the voting management subsystem, counting parking space demands according to the voting result, performing resource estimation, acquiring an authentication material of the user and sending the authentication material to the parking authentication module; and the parking authentication module is used for verifying the authentication material, and carrying out parking space distribution based on the parking space demand and resource estimation after the verification is passed. According to the invention, the parking resource insufficiency of the old community can be relieved, the parking difficulty of residents is solved, the community parking management efficiency is improved, and a new way is provided for parking of community residents.
Owner:北京静态交通投资运营有限公司

Plant functional seat fabric and preparation method thereof

The invention discloses a plant functional seat fabric and a preparation method thereof. The plant functional seat fabric is a mixed fiber layer formed by a corn bran viscose fiber and a PET filamentfiber according to a certain proportion, wherein the diameter of the PET filament fiber is 5 to 40 [mu]m; and the diameter of the corn bran viscose fiber is 0.2 to 0.4 mm. The plant functional seat fabric provided by the invention is the mixed fiber layer formed by the corn bran viscose fiber with the millimeter level diameter and the PET filament fiber with the micron level diameter according toa specific proportion, and has the characteristics of good air permeability, light weight, softness and comfort; in addition, the PET filament fiber is blended into the corn bran viscose fiber, so that the fabric has the advantages of high tensile strength and tearing strength, smooth surface and good wear resistant performance; and phenomena such as fuzzing or pilling cannot occur after the fabric is used. The plant functional seat fabric can be used for beddings, high-grade car covers and cushions, sofa covers and the like, and has the advantages of good air permeability, comfort, and cool and environment-friendly effects.
Owner:李保才

Feed used for pregnant cow and prepared from residue of sea buckthorn fruits

The invention discloses a feed used for pregnant cows and prepared from residue of sea buckthorn fruits. On the basis of physiological characters of the cows, the feed has effect of reproductive health care and abortion prevention, can improve the reproductive performance of the pregnant cows, can ensure healthy development of embryo, can prevent abortion, premature delivery and the like of the cows, enhances growth capability of born progeny of the cows and reduces birth death rate.
Owner:凤台县丰恒农业发展有限公司

A process for producing fulvic acid fertilizer and high-strength corrugated paper with cotton straw as raw material

The invention provides a technology for producing a fulvic acid fertilizer and high-strength corrugated paper by using whole cotton stalks as raw materials. With the whole cotton stalks as the raw materials, by a weakly-acid imidized machine pulp pulping technology, through optimal combination of the cooking temperature, the cooking time and the pH value as well as high-concentration pulping and other pulping technological links, pulping red liquor rich in fulvic acid is prepared for producing the fertilizer, and high-performance pulp with a relatively light color is produced for producing thehigh-strength corrugated paper. By the technology, defects and shortcomings of a strong-alkali and strong-acid technology are avoided, differences in traits, components and structures of the whole cotton stalk raw materials are overcome, fulvic acid producing active components contained in cotton stalk cores, cotton stalk pulps, cotton boll shells and cotton stalk skins in the whole cotton stalksare effectively utilized, the advantage of combination of long and short whole cotton stalk fibers is effectively played for producing the high-strength corrugated paper, comprehensive utilization ofwhole cotton stalk resources is achieved, and a technological path for industrial and commercial utilization of the whole cotton stalk raw materials is opened up.
Owner:白博

Automatic wiring method and device of chip top layer long and narrow channel and storage medium

PendingCN112949248AAlleviate insufficient winding resourcesSolve local winding congestionComputer aided designSpecial data processing applicationsWire wrapChip
The invention discloses an automatic wiring method and device for a chip top layer long and narrow channel and a storage medium. The method comprises the steps: arranging a first wiring buffer area at the corner where a transverse channel and a longitudinal channel of a channel to be wired are connected, wherein a plurality of buffer units are arranged in the wiring buffer area, and each signal pin to be wired corresponds to one buffer unit; performing automatic wiring according to the plurality of buffer units, wherein during automatic wiring, transverse wires of all the signal pins are parallel to the edge of the transverse channel, and longitudinal wires perpendicular to the transverse wires are arranged at the positions, corresponding to the signal pins, of the buffer units. By implementing the embodiment of the invention, the problem of winding congestion during automatic wiring in a long and narrow channel in the prior art can be solved.
Owner:广芯微电子(广州)股份有限公司

A production process for preparing fulvic acid and high-strength corrugated pulp from non-wood fiber raw materials

Disclosed is an acidic ammonium sulfite method-based production process for preparing fulvic acid and a high-strength corrugated paper pulp with non-wood fibers as a raw material. With the non-wood fibers as a raw material and by using an acidic ammonium sulfite method-based production process, pulping and fulvic acid extraction or leaching are completed under acidic cooking environment conditions with a pH of 2-7, while the dissolution of humic acid and ulmic acid are inhibited. By means of this production process, fulvic acid is prepared by means of cooking and pulping, and at the same time a high performance paper pulp with a lighter color is produced for use in producing a fiber article such as high-strength corrugated paper. The production process realizes synergistic optimization of the cooking step for pulping and fulvic acid from all-cotton straws and other non-wood fiber resources, so that a black pulping liquor is turned from waste into something of value, the technical key to industrialization and commercialization for realizing clean production and sustainable development is solved, and cyclic development with regard to economic and ecological benefits can be realized.
Owner:白博

Process for preparing high active powder composite green storage inoculating agent and its carrier adsorption agent

The present invention belongs to the field of silage fermenting promoter technology. The present invention includes simultaneous inoculation of and asynchronous with of lactostreptococcus as initial fermenting bacteria and lactobacillus as subsequent fermenting bacteria, normal temperature carrier adsorption post-processing technology, optimizing the recipes of seed culture medium activating factor, industrial fermenting culture medium and protecting agent, and re-compounding fermented lactic acid bacteria and cellulase. The present invention has the features of mild production condition, low cost, high product activity, etc. The product may fit different silage materials and different silage conditions and can promote the fermentation of lactic acid bacteria and the homotypic fermentation, control negative fermentation, reduce loss of nutrients during fermentation and make full use of resource.
Owner:JIANGNAN UNIV

Method for recovering metallic oxide from waste aluminum base V-Mo-Ni catalyst

The invention discloses a method for recovering metal oxides from an aluminum scrap-based vanadium molybdenum nickel catalyst. The method comprises the following steps: crushing the aluminum scrap-based vanadium molybdenum nickel catalyst, evenly mixing with sodium hydroxide, calcining at high temperature of 700-1200 DEG C, maintaining a constant temperature for 3-6 hours, crushing sinter blocks, washing nickel slag with countercurrent hot water or washing aluminum hydroxide crystal with the weight ratio of liquid to solid being 5-10:1 at the temperature of 80-100 DEG C for 0.5-3 hours, acid leaching and precipitating and filtering to obtain Al(OH)3, adding ammonium salt to filtrate, filtering to obtain ammonium metavanadate, extracting molybdenum from the filtrate in which the ammonium metavanadate is filtered, recovering the nickel by acid leaching, hydrolyzing the filtrate for removing impurities from the nickel, condensing and drying to produce crystal nickel sulfate. Comprehensive recovery improves environment conditions, and creates good economic benefit; comprehensive use of secondary resources relieves the insufficient domestic resources, and protects the environment; and the recovery method has simple process and low recovery cost and is applicable to large-scale use.
Owner:WUHU RENBEN ALLOY
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