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1929results about How to "Promote reduction" patented technology

Artificial soil and method for land reclamation by aid of gold mine tailing slag backfill exploitation regions

The invention provides artificial soil and a method for land reclamation by the aid of gold mine tailing slag backfill exploitation regions. The method includes carrying out filling and compaction onthe tailing waste slag backfill exploitation regions; uniformly mixing various components of the optimally designed artificial soil with one another and ultimately covering tailing waste slag backfillsurfaces with the novel artificial soil with a certain thickness so as to effectively treat mine tailing. The artificial soil and the method have the advantages that the prepared artificial soil contains abundant nutrient components, the contents of organic matters can be increased, the gas permeability of the soil can be improved, and the artificial soil is excellent in water retention capacityand fertilizer preservation capability and suitable for growth of plants; organic thoroughly decomposed substances come from agricultural and forestry waste, are extensive in source and are easily available, accordingly, solid waste can be comprehensively utilized in a 'reduction, resource utilization and harmlessness' manner, and the artificial soil and the method conform to principles of circular economy; the land occupation problems of tailing ponds and the problems in the aspect of tasks of land reclamation of mined-out regions can be simultaneously solved by the aid of the artificial soiland the method, and the artificial soil and the method have large market spaces.
Owner:杰瑞(莱州)矿山治理有限公司

Water catalyst sterilizing and detoxifying device and producing and using method thereof

The invention discloses a water catalyst sterilizing and detoxifying device and a producing and using method thereof. The device comprises a water catalyst generator and a DC (direct current) power supply, wherein the water catalyst generator comprises an anode electrode and a cathode electrode which are both titanium electrodes; and the anode electrode is coated with a composite material coating. The producing method comprises the following steps of: (I) making electrodes; and (II) making the composite material coating: preparing composite material coating liquid, and brushing, drying and sintering the coating liquid in multiple times. The using method comprises the following steps of: a, placing the cleaned article and the water catalyst generator in the cleaning water; b, connecting the water catalyst generator with the DC power supply; and c, purifying the cleaned article with the water catalyst generator and the cleaning water. According to the invention, the design is reasonable, the producing and using processes are simple, and the purifying effect is good; and moreover, the problems of poor using effect, possible new pollution, easy damage to the nutrient components of thecleaned food and the like of the existing sterilizing and pesticide residue removing methods can be solved.
Owner:姚广兴

A preparation method of surface metallized composite material through chemical plating under photocatalysis

InactiveCN101550546APromote reductionImprove plating speed and productivityLiquid/solution decomposition chemical coatingIonPhotocatalysis
The present invention pertains to the technical field of the preparation of surface metallized composite material and relates to a preparation method of surface metallized composite material through chemical plating under photocatalysis, wherein the fibre, plastic, fabric, resin, glass, ceramic, monocrystalline silicon or metal encapsulated with semiconductor nano inorganic powder is used as substrate material, or the semiconductor nano inorganic powder is used as substrate material, the photocatalytic technique integrates the reducer effect in conventional chemical plating, metal is carried on the surface of substrate material effectively, and surface metallized composite material is prepared. The advantage is that it makes use of the feature that semiconductor nano inorganic powder will be excited and generate a large number of electron-cavity pairs under the irradiation of photons of which energy is equal to or greater than band-gap energy, while electrons have a reducing effect and help accelerate the reduction of metal ions, and combines this feature with the reducer effect in conventional chemical plating to raise plating speed and production efficiency, reduce product cost and prepare surface metallized composite material with uniform surface metal layer, tiny metal particles, high quality and low cost.
Owner:UNIV OF SCI & TECH BEIJING

Technique for roasting and dressing laterite nickel ore

InactiveCN101538645APromote reductionAvoid excessive reductionProcess efficiency improvementLateriteCobalt
The invention relates to a technique for roasting and dressing laterite nickel ore. The technique comprises the following steps that: raw ore is crushed, sieved and then roasted for the first time by use of a kiln; cold roasted sand powder is ground into fine powder; the fine powder is mixed well with carbonaceous additives and chlorinating agents and then pelletized to be pellets in a disk pelletizer; the pellets are dried by use of afterheat flue gas of the kiln and then enter a second kiln so as to be roasted; neutral or weak reducing atmosphere is adopted in the roasting process to inhibit the reduction of iron in laterite ore; roasting temperature is controlled below soft melting temperature; the roasted pellets are quenched with water under an airtight condition; water-quenched roasted sand is ground and then dressed so as to obtain nickel-cobalt concentrate; iron in tailings is recovered through high intensity magnetic separation and gravity separation; tail gas of a pellet-roasting kiln is subjected to vortex dust collection, neutralized with lime mortar and concentrated and then passes through a washing tower; and most of chlorinating agents are recovered after water-film dust removal. The technique is characterized by strong raw-material adaptability, simple process flow, low cost, environment-friendly property and the like.
Owner:张建宏 +6

Method for reducing content of cadmium in middle rice

The invention discloses a method for reducing the content of cadmium in middle rice. The method includes the following steps that after middle rice of the first year is harvested, middle rice straw is returned to the field directly, and tillage is conducted so that the middle rice straw can be evenly mixed with soil; hyperaccumulation plants are planted in a paddy; after the hyperaccumulation plants are removed from March to May in the second year, soil heavy metal passivator is scattered on the surface of soil of the paddy; tillage is conducted, and base fertilizer is applied 3-5 days later; tillage is conducted, and rice is transplanted; during planting of rice, a foliar resistance control agent is sprayed in the later tillering stage and the booting stage of rice respectively, wherein spraying time interval is 5-10 days; field drying is conducted in the later tillering stage, natural drying is conducted in the maturation stage, and flooding irrigation is conducted in other development stages. According to the method, crop production and straw resource utilization are not affected, the dual targets of reducing the paddy soil cadmium content and reducing the rice cadmium content are achieved under the combined action of plant extraction, soil passivation, foliar resistance control and water management, and effects are more remarkable compared with other combination technologies.
Owner:HUNAN YONKER ENVIRONMENTAL PROTECTION RES INST

Numerical control capstan turret reliability testing system with electro-hydraulic servo loading device

The invention discloses a numerical control capstan turret reliability testing system with an electro-hydraulic servo loading device, aiming to overcome the detect that the traditional equipment cannot be used for simulating real cutting force to carry out a loading test on a numerical control capstan turret. The system comprises a pump station, a hydraulic loading mechanism (I), a numerical control capstan turret control part (II) and an electro-hydraulic servo loading control part (III), wherein the hydraulic loading mechanism (I) comprises a stressing rod (3) and an oil cylinder (16); the numerical control capstan turret control part (II) comprises a programmable controller (20); the electro-hydraulic servo loading control part (III) comprises a pressure sensor (4), a displacement sensor (8) and an electro-hydraulic servo valve (17); the hydraulic loading mechanism (I) and the numerical control capstan turret control part (II) are arranged on a workbench (18); the numerical control capstan turret control part (II) is arranged on the outer wall of the oil cylinder (16); and the electro-hydraulic servo loading control part (III) and the oil cylinder (16) are connected with the pipeline of the pump station.
Owner:JILIN UNIV

Compound microbes for reducing and disinfecting greenhouse soil and soil disinfection method

The invention relates to the greenhouse crop planting field, in particular to compound microbes for reducing and disinfecting greenhouse soil and a soil disinfection method, and solves the problem of multiple defects in the prior art. The compound microbes comprise bacteria, actinomycetes, saccharomycetes and moulds. The soil disinfection method includes the steps of selecting June to September as a disinfection period to apply crop straws, organic fertilizer and the compound microbes on the soil after the crops are harvested; deeply plowing soil layers to form small ridges; covering ridge surfaces with plastic film, filling enough water under the film till the soil humidity achieves 100%, and sealing the mulching film and covering the greenhouse plastic film for 20 to 25 days; and uncovering the greenhouse plastic film and removing the mulching film for planting. According to the compound microbes for reducing and disinfecting greenhouse soil and the soil disinfection method, the method is non-toxic, harmless, pollution-free and residue-free, pathogenic bacteria, ova and the like in soil plough layers are killed, soil organics are increased, the soil physical and chemical structure is improved, soil fertility is improved, and good foundation is laid for improving product qualities.
Owner:AGRI BIOTECH RES CENT OF SHANXI PROVINCE +1

Manganese ore reduction calcination method and apparatus

InactiveCN101413056AFeeding is automatic and uniformEasy to overflowReduction rateLower grade
The invention discloses a method and a device for reducing and roasting manganese dioxide into manganese monoxide in electrolytic manganese industry. The method comprises the following steps: dried manganese dioxide mineral powder is ground, well mixed with reducing powder and conveyed to a feeding bin on the top of a roasting furnace, and then enters hermetic roasting devices; a plurality of burners are arranged among the hermetic roasting devices; fuel is burnt so as to roast manganese dioxide ore; the manganese dioxide ore and the reducing powder are heated and roasted to 900 to 970 DEG C in the hermetic roasting devices with no oxygen supplement; under the circumstance of oxygen-free contact after reaction in the lower ends in the hermetic roasting devices, the temperature of roasted manganese ore is lowered, so as to recover heat and cool the manganese ore; and finally, the manganese ore is discharged out of a furnace by an automatic discharging device and then is subjected to a subsequent process. The method and the device can reduce and roast the high/low-grade manganese dioxide ore, have the advantages of low production cost, simple process and convenient operation, can control the reduction rate of manganese dioxide and other metals through the automatic discharging device, and improve the quality of final products.
Owner:朱军

Method for preparing high-nickel concentrate from low-grade red soil nickel ore

The invention discloses a method for preparing a high-nickel concentrate from a low-grade red soil nickel ore, which comprises the following steps of: drying the low-grade red soil nickel ore until water content is 13 to 16 percent, crushing to ensure that the size of all particles is less than 3mm, grinding by using a high-pressure roller mill to ensure that particles with the size of less than 0.074mm account for 80 percent and specific surface area is not less than 2,000cm<2>/g, adding 15 to 20 percent of composite binder and 1 to 5 percent of coal powder, and pelletizing by using a disc pelletizer to obtain green pellets with the size of 6 to 16mm; drying and preheating the green pellets on a chain grate for water removal and solidification to ensure that each piece of pellet entering a kiln has the compression strength of over 500N; directly adding the preheated and solidified pellets into a rotary kiln, and reducing at the temperature of between 1,100 and 1,250 DEG C for 60 to 120 minutes by using pea coal as a reducing agent in a mass ratio of the reducing coal to the pellets of 0.8-1.0; and cooling a reduction product, sieving, performing magnetic separation to obtain a magnetic product, crushing, grinding, and performing magnetic separation to obtain the high-nickel concentrate, wherein the composite additive comprises the following components: Na2CO3 and CaO, iron oxide powder, the coal powder and sodium humate in a ratio of (30-60):(20-30):(20-30):(5-10). The method is high in adaptability and nickel recovery rate and suitable for mass production.
Owner:CENT SOUTH UNIV

High temperature battery

A high temperature battery of one or more cells is disclosed in which each cell is made by holding an anode electrode and a cathode electrode, of different metallic substances, together through a fused flux wetted to an electrode, which fused flux is an electrolyte, to make an anode-to-cathode contact, and the anode-to-cathode contact is heated, by a heat source, to a high temperature range above a threshold temperature to generate voltaic voltage, in excess of any thermoelectric voltage; such batteries with electrodes of various mechanical configurations are disclosed. The flux, such as borax, may have powdered, vegetable-growth ashes or powdered chemical constituents of ashes, such as lithium carbonate, added to the flux or to the electrolyte to catalyze or improve the current-generating capability of the battery. The preferred anode substance is aluminum, and the preferred cathode substance is copper. With the preferred cathode and anode substances and a fused borax flux between the cathode and anode, the open circuit voltage generated per cell when heated increases from 0.05 volts at 304 DEG C. to 1.3 volts at 651 DEG C.; the threshold temperature in this case is 279 DEG C. Also disclosed is means to move the anode metal with respect to the cathode metal, when the electrolyte is fluid, for changing the battery characteristics.
Owner:WILSON JOHN T R

Video game development system and method thereof

The invention relates to the field of video games and discloses a video game development system and a method of the video game development system. The number of compilations for a computer to compile video game executable program and the total calculation quantity of the computer are greatly reduced, the planning and artistic design principle can be more perfectly recovered, the game development period is shortened, and the development cost is reduced. The system comprises a file generating tool, a code automatic generator, a code developing tool, a compiler and a trigger editor, wherein the file generating tool is used for recording various events, conditions and behaviors needed to be used in the video games into a definition file; the code automatic generator is used for generating a framework code according to the definition file and an engine code base; the code developing tool is used for realizing various events, conditions and behaviors through concrete codes according to realization interfaces in the framework code, the compiler is used for compiling codes realized by the code developing tool into game programs; and the trigger editor is used for editing and storing a trigger combined by specified events, specified conditions and specified behaviors, and the trigger is used for the reading and the execution during the game program running.
Owner:SHANGHAI FANGCUN INFORMATION TECH

Nano micelle of biodegradable macromolecular-bonding Pt(IV) anti-cancer medicament and preparation method thereof

The invention relates to a nano micelle of a biodegradable macromolecular-bonding Pt(IV) anti-cancer medicament and a preparation method thereof. The structural formula of the anti-cancer medicament is defined in the specification, wherein the biodegradable macromolecule is tri-block copolymer, namely polyethylene glycol-b-polyester-b-polylysine; and tetravalency platinum coordination compound Pt(IV) is connected with a side amino on the block of polylysine on a macromolecular carrier through alpha, omega-polyethylene glycol. The carrier is non-toxic and is water-soluble, thus being convenient for reacting with the platinum(IV) coordination compound in water phase; a nano micelle form can be formed through self assembly; a platinum(IV) coordination compound is reduced to platinum(II), namely, cis-platinum, Carboplatin or Oxaliplatin, and the anti-cancer effect is known; the synthesis of the nano micelle is easy; the reduction potential of platinum(IV) is low, so that the platinum(IV) can be rapidly reduced to platinum(II) in cancer cells to take treatment effect; and the platinum(IV) is connected to the side chain of the macromolecule rather than the end of a chain, a macromolecular chain can be connected with multiple platinum(IV)s, and the content of platinum can be as high as 10-20%.
Owner:吉林市博禹祥实工贸有限公司

Nitrogen doping carbonized bacterial cellulose/graphene/platinum composite nanomaterial and preparation method thereof

The present invention discloses a preparation method of a nitrogen doping carbonized bacterial cellulose/graphene/platinum composite nanomaterial. The material is prepared according to the following steps of pre-treating flocculent bacterial cellulose generated in fermentation of acetobacter xylophilus, then refrigering and drying the flocculent bacterial cellulose so as to obtain flocculent bacterial cellulose; homogenizing at high speed so as to obtain a uniform solution, mixing the uniform solution with graphene oxide, and dispersing the mixture uniformly through ultrasonic; and adding a dopamine solution, stirring and mixing by using a machine, adding chloroplatinic acid finally, and carbonizing at high temperature so as to obtain the nitrogen doping carbonized bacterial cellulose/graphene/platinum composite nanomaterial. The composite nanomaterial prepared by the method uses a one-step method to carbonize, and the reaction process is easy. Under the action of the dopamine, the flocculent bacterial cellulose and the graphene oxide are bonded, so as to form a three-dimensional networked cross-linked skeleton structure. In carbonization, nitrogen doping and platinum reduction are realized, and the conductive nanometer composite system that has small and uniformly distributed particles is prepared. The nanomaterial prepared by the method can be applied to application fields such as fuel batteries and super capacitors.
Owner:NANJING UNIV OF SCI & TECH
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