56results about How to "Reduce or eliminate pollution" patented technology

A process for regenerating the used or rejected elastomer features that the non-odor softening agent prepared from the kernel of plant fruit, oil-containing decolored mud and/or frequently used softener, non-odor activating agent, anti-oxidizing-antiageing agent, adsorbent, industrial refuse, the powder of bone, shell, or straw, and/or reinforcing filler are used to treat said used or rejected elastomer to obtain fine (80 meshes) powder, which can be used as the filler of rubber or plastics.

The invention discloses a spraying liquid beam electrolytic-laser compound manufacturing method and device, which comprises the following steps: utilizing layer generating device to produce laser beam on the working piece, manufacturing hole, seam and groove, generating high-speed spraying liquid removing material with the same shaft of laser beam through spraying liquid beam device. The device contains layer, working piece assembling chuck, power and spraying liquid beam device, wherein the spraying liquid beam device concludes assembling seat of spraying device, insulating switching seat, cathode, focal lens, protective lens, insulating sleeve and sprayer.

The invention discloses a method for recovering rare earth from ionic type rare earth crude ore, which comprises the following steps of: leaching the ionic type rare earth crude ore by taking at least one of magnesium sulfate, magnesium chloride and calcium chloride, instead of most or all ammonium sulfate, ammonium chloride or sodium chloride, as an ore leaching agent to obtain rare earth leachate, performing neutralization and impurity removal, and precipitating rare earth by adopting solution of magnesium hydrogen carbonate or/and calcium bicarbonate to obtain a rare earth carbonate product. In the method, an ammonium bicarbonate precipitator and most or all ammonium sulfate, ammonium chloride and sodium chloride serving as ore leaching agents are eliminated, pollution of ammonia nitrogen wastewater and high-salinity sodium salt wastewater on environment and underground water is greatly reduced or eliminated, and the method is an environment-friendly ionic type rare earth ore mining process.

The present invention discloses crop seedling growing medium produced with plant waste, domestic garbage and sludge from domestic sewage treatment as material and its production process. Crop stalk and other plant waste are crushed and used as the medium skeleton mixed with organic sludge and inorganic fertilizer, fermenting bacteria and other bacteria in certain ratio are inoculated, water is added, and the mixture is piled, aerated and fermented completely to produce the crop seedling growing medium. The present invention provides way of treating organic waste, and the crop seedling growing medium has excellent crop seedling growing effect and low cost.

The invention discloses a photoresist coating method, which comprises the following steps of providing a semiconductor chip; rotating the semiconductor chip and spraying the photoresist on the area of the center or close to the center of the surface of the semiconductor chip, wherein, in the process of rotating the semiconductor chip, spraying gas to the nearly marginal area of the back of the semiconductor chip to prevent the photoresist from being coated on the back along the margin of the semiconductor chip. The invention also provides a formation method of lithography patterns, which can reduce or eliminate the defects caused by back washing.

The invention provides a method for removing chromium impurities from nickel leach liquor, which comprises the following steps of: (1) regulating the pH value of the nickel leach liquor; (2) adding a precipitator to produce chromium precipitates; and (3) separating the chromium precipitates to obtain the nickel leach liquor from which the chromium is removed, wherein the precipitator is pyrophosphate, phosphate, monohydric phosphate or polyphosphate, and after the precipitator is added in the step (2), the method comprises the step of precipitation conversion further. By the method, the chromium impurities can be removed effectively, and the recovery rate of the nickel can be improved to fulfill the aims of low loss rate of the nickel and high dechromisation rate, so the method has huge economic and social benefits.

The present invention belongs to a thermoplastic elastomerics. The invented rubber part adopts unsaturated rubber/ternary ethylene-propylene rubber (EPDM) double-component system, and adopts double-component vulcanizing agent phenolic resin/peroxide and double-component carboxylation polyolefine to resolve the problems of co-cure of unsaturated rubber and ternary ethylene-propylene rubber (EPDM) and compatibility of unsaturated rubber and polyolefine, the unsaturated rubber is styrene-butadiene rubber, cis-1,4-polybutadiene rubber, nitride rubber or natural rubber. Said invention provides a composite type polyolefine thermoplastic vulcanized rubber which can be continuously produced in twin screw extruder machine.

The invention discloses an apparatus utilizing heat energy generated during platinum catalytic hydrogenation in cyclohexanone production for dehydrogenation technology, and belongs to the field of chemical engineering. The provided apparatus can utilize the heat energy discharged during the catalytic benzene hydrogenation reactions for the cyclohexanol dehydrogenation reactions. The apparatus supply heat energy to dehydrogenation reactions, the thermal efficiency is high, and the loss of heat energy in conversions is reduced. Moreover, the heat loss in pipelines for delivering the high-temperature heat conductive oil in a long distance is greatly reduced or even eliminated; the heat, which is brought out by the hot flue gas discharged from the fuel oil, fuel coat, or fuel gas heat conductive oil furnace, is also reduced or eliminated, thus the energy loss is reduced; at the same time, the operation time of the heat conductive oil furnace is shortened effectively, and the waste gas discharge is reduced.

The invention relates to a method for killing vegetable insects with microwave, belonging to the field of microwave technology and application. For thousands of years, the problem of crop diseases and insect pests has been a trouble for agricultural workers home and abroad. Moreover, as the volumes and structures of the vegetable insects are different from those of bacteria and generated microwave signals cannot be used universally, an oscillation source for generating microwave signals, a modulation signal and the like all need to be improved. According to different shapes of the vegetable insects, by changing the transmission power and the working frequency range of the oscillation source and the repetition frequency and the pulse width of the modulation signal, a high-frequency pulse signal is obtained to replace pesticide to kill the vegetable insects containing more than 60% of water in vivo without causing pollution so that the crop can grow healthily and soil and ground water are prevented from being polluted by pesticide. Therefore, with the wide application, the method certainly has great significance to the production of green food, environmental protection, improvement of the living standard of people and the like.

Within certain time of vehicle starting, because a conventional vehicle catalytic converter is not heated to an active temperature by exhaust gas, the exhaust gas at the stage cannot be purified and thus a great of poisonous and harmful pollutants such as NOx and a hydrocarbon compound HC are emitted. The invention discloses a vehicle exhaust catalytic purifier capable of removing exhaust emissionat the vehicle starting stage to a greatest extent, and the vehicle exhaust catalytic purifier comprises a catalytic device body and a catalyst preheating system. A carrier of the catalytic device isfirstly coated with an electric-heating coating which adopts excellent electric-heating materials such as carbon fibers; and a catalyst coating coats the electric-heating coating. By inducting and utilizing the electric-heating layer in a remote-control mode, the catalyst coating on the outer surface is quickly pre-heated to a temperature within the active temperature range before an internal combustion engine is started, and a vehicle internal combustion engine is allowed to start, and heating, on the catalyst, by external energy is stopped. Combustion exhaust at the stage is subjected to effective catalytic reaction, so that pollutants such as NOx therein are removed.

The invention discloses spraying equipment adopting hydraulic carbon dioxide as a solvent. The spraying equipment comprises a CO2 storage tank (1) and a coating storage tank (2). The CO2 storage tankand the coating storage tank are in pipeline connection with a mixing tank (5) through a CO2 pressing and injecting pump (3) and a coating pressing and injecting pump (4). The mixing tank and a buffering tank (6) are in pipeline connection, and the buffering tank and a sprayer assembly (7) are in pipeline connection. The spraying equipment is based on the green and environment-friendly concept. The liquid carbon dioxide can be adopted as polymer coating diluent and replaces an existing organic solvent to serve as the diluent. A pressure tank storing CO2 and the storage tank storing the polymercoating serve as carriers, and after the CO2 and the coating are mixed through the mixing tank, the mixture is input into the buffering tank, the polymer coating which is mixed in a super-critical state and is provided with a gas-liquid mixing body is sprayed to the surface of an object to a protection coating, and a dried object protection layer can be obtained after CO2 volatilization. According to the spraying equipment, pollution to the atmosphere, the water quality and other environments from the organic solvent can be relieved or eliminated.

The invention discloses a smoke guiding vehicle and smoke-guiding and dust-removal system provided with the smoke guiding vehicle for a tamping coke oven. The smoke guiding vehicle comprises a first M-type smoke guiding pipe and a second M-type smoke guiding pipe, wherein two smoke guiding pipe holes are formed in the lower end of the first M-type smoke guiding pipe and respectively correspond tothe positions of two coke-side smoke guiding holes; and two smoke guiding pipe holes in the lower end of the second M-type smoke guiding pipe respectively correspond to the positions of two machine-side smoke guiding holes. According to the smoke guiding vehicle, a dual-communication smoke-guiding and dust-removal process is formed by virtue of two M-type smoke guiding pipes according to the suction force of machine-side high-pressure ammonia water, so that the dust removal efficiency is improved, the disorganized scattered discharging and external overflowing of raw coke oven gas are reduced,the smoke treatment effect of the tamping coke oven is improved, the smoke pollution is reduced or completely eradicated, the environmental quality is improved, and certain economic benefits can be created for enterprises.

The present invention discloses a cyanoacrylate synthesis method, which comprises the following reaction process: a compound (1) and a compound (2) react to directly prepare a compound (3), and is characterized in that the reaction is performed in a molten state, and since no solvent is used, the harm of the solvent to personnel and the natural environment is reduced, and the production efficiency is improved. Compound (1); a compound (2); and a compound (3).

The invention relates to the technical field of fertilizers. The invention particularly provides a suspended silicon fertilizer as well as a preparation method and device thereof. The suspended silicon fertilizer comprises the following components in percentage by mass: 15%-20% of biological silicon, 1.0%-2.0% of a wetting agent, 2.0%-4.0% of a dispersing agent, 0.1%-0.4% of a thickening agent, 2.0%-4.0% of an anti-freezing agent and the balance of water, wherein the biological silicon is based on SiO2. Bio-silicon is sheared to a nanoscale by shearing, and ammonium ions are adsorbed by the formed silica colloid, immobilizing heavy metal ions. Meanwhile, the lost silicon element in the soil can be supplemented, and the requirement of crop growth can be satisfied.

The invention provides a humic acid organic biological composite fertilizer and a preparation method thereof. The above novel composite fertilizer mainly includes activated humic acid, chicken manure and biological fungi, wherein a weight ratio of the activated humic acid to the chicken manure is 1:2-2.5, and preferably 1:2.2. The quantity of biological fungi is 30 millions/g. The humic acid organic biological composite fertilizer can effectively improve soil, raises the soil fertility, improves the permeability of the soil, improves the water and fertilizer conservation capability of the soil, converts hard-to-use phosphorus, potassium and medium and trace elements in the soil into crop-available effective nutrients, prevents activity of pathogens in the soil, and improves the disease resistance of crops.

The invention discloses an environment-friendly continuous oil sludge treatment process. The process comprises the steps of carrying out material metering and feeding, carrying out drying by a dryingfurnace, carrying out combustion by an incinerator, carrying out water and gas recovery, and carrying out dust removal on flue gas and the like. According to the process, the oil sludge is dried in advance to remove water and gas in the oil sludge so that the oil sludge can be easily incinerated; the dried oil sludge is incinerated through the incinerator, so that oil stains in the oil sludge areremoved; secondary high-temperature combustion is carried out on the flue gas through a secondary combustion chamber, so that the harmful gas of dioxin in the flue gas is removed, and therefore, a treatment device can carry out effective environment-friendly treatment on the oil sludge.

The invention discloses a designing method and device for converting ship and warship nailing resistance into power and using water wave energy and wind energy as power. According to the method, the front face and the two sides of a warship or ship are designed to be curved surfaces inclining inwards, kinetic energy input impellers (hereinafter referred as impellers) are arranged on the lower portion of the warship or ship, the lower portions of the impellers are submerged in sea water, the upper portions of the impellers are exposed out of the plane of the sea water, and the impellers are fixed to a hull. Wind deflectors are additionally arranged on the two sides of the ship. The impellers receive wind power transmitted by the curved surfaces and the wind deflectors of the ship to be pushed to rotate in the direction of water waves and in the direction of rotation due to resistance on ship advancing. The impellers are connected with drive devices and generator sets of the ship. In the method, preferably, power storage devices and motors are further provided, wherein the power storage devices and the motors are connected with the generator sets and are supplied as common power of the ship. The device, the power storage devices and the motors are designed in an integrated mode. The designing method and device have the advantages that the resistance is used for reducing the supply of energy for ship sailing, natural resources are sufficiently used for make ship sailing be safe and free of pollution, the structure is simple, and the fault rate is low.

The invention discloses a device and a method for quickly granulating aerobic activated sludge in a membrane bioreactor. The device comprises a sequencing batch type tubular reactor SBR (Styrene Butadiene Rubber) and the membrane bioreactor which are mutually communicated. The method comprises the following steps: preliminary training the aerobic activated sludge in the sequencing batch type tubular reactor for 2-15 days, directly and quickly transferring the preliminary-trained aerobic activated sludge into the membrane bioreactor, continuously adding sewage into the membrane bioreactor, and respectively carrying out intermittent operation on membrane filtering and water going-out, aeration and supernatant discharge at the same time; and granulating the aerobic activated sludge inside the membrane bioreactor after the membrane bioreactor runs for 7-14 to prepare the granulated aerobic activated sludge internal circulation type membrane bioreactor. The preparation method disclosed by the invention has the beneficial effects that the quick granulation of the aerobic activated sludge in the membrane bioreactor can be realized, the membrane pollution of the membrane bioreactor is effectively reduced or eliminated, the defect caused by frequently cleaning a membrane component by adopting a physical or chemical method is overcome, and the application prospect is wide.

The invention discloses an integrated treating machine for electroplating sewage. The integrated treating machine comprises a sewage tank, a water pump, a reaction column, a sedimentation basin, a sludge-water separator and a clear water spilling device, wherein the sewage tank, the water pump, the reaction column, the sedimentation basin, the sludge-water separator and the clear water spilling device are successively connected via pipelines; and a liquid level controller is mounted in the sewage tank and is electrically connected with the water pump. The integrated treating machine provided by the invention is reasonable in structure and simpler than traditional sewage treating equipment, has the characteristics of small size, fast treating speed, capacity of carrying out intelligent operation according to a water volume and the like, integrates a plurality of functions and can be extensively applied to intensive primary physicochemical coagulation treatment of sewage and waste water.