44results about How to "Achieve harmless treatment" patented technology

The invention provides a bio-organic fertilizer with Chinese medicine residue as a raw material. The formula of the organic fertilizer comprises grass carbon and lignite, and functional bacteria are added. The raw materials comprise the following components in percentage by weight: 30-70 percent of Chinese medicine residue dry product, 0.01-0.5 percent of biological bacteria, 20-40 percent of grass carbon, 10-30 percent of lignite, 1-5 percent of mineral matter fertilizer and 0.1-0.5 percent of functional bacteria. Various nutrients which cannot be effectively absorbed by plants in the soil can be effectively activated, so that the quality and the yield of the crops are improved, and the immune-competence of the crops per se can also be effectively improved.

The invention relates to an automation solar energy biogas fermentation method, which belongs to the fields of environmental protection and chemical engineering. Aiming at the defects in the conventional biogas production process, the invention provides an automation solar energy biogas fermentation method and an automation solar energy biogas fermentation device, which can implement the steps of feeding, stirring, discharging, constant temperature and quantifying automatically in the north part of China in winter. The automation solar energy biogas fermentation method comprises the steps that: an automatic feeding delivery pump sends feces mixture in a feces collection pool into a material tank in a hydrolytic acidification treatment tank to carry out the hydrolytic acidification treatment; after being treated by the hydrolytic acidification treatment tank, the feces mixture is sent to a material tank in an anaerobic digestion tank by an automatic feeding pump; a solar thermal collector sends hot water into water collection interlayer of the hydrolytic acidification treatment tank and the anaerobic digestion tank by a temperature controlled pump and a solar energy hot water circulation system; and generated gas is injected into a gas holder for users to use after the treatment of desulfuration and solid-liquid separation. The automation solar energy biogas fermentation method and the automation solar energy biogas fermentation device are established on the basis of automatic program control of biogas feeding, stirring, discharging, constant temperature and quantity limitation, and correspond to the current development situation of the farmers of the animal breeding in China at present.

The invention relates to a cracking furnace system of biomass garbage. The system provided by the invention comprises a furnace body, a feeding mechanism, a slag catching container, a gas washing tower, an oil-gas separating tower and a gas collecting tower; the upper part of the furnace body is provided with the feeding mechanism, the top part is connected with the gas washing tower, the middle part is provided with fire grates, and the bottom part is provided with an agitating blade, an air discharging device and a slag discharging pipe, wherein firstly, the furnace body utilizes more than one layer of fire grate and supplies multiple layers of supporting to be matched with the double-movable-flashboard feeding mechanism and the agitating blade so that the biomass is more completely cracked; secondly, the slag catching container is supplied so that the temperature of high-temperature slag can be reduced and percolate and the like which are produced by the garbage can be all consumed; the generated cracking gas not only is clean and low-temperature, but also can be easier to be separated from oil after the cracking gas passes through the gas washing tower, thereby simplifying theflow of oil-gas separation. According to the system provided by the invention, sewage, oil and steam which are generated in the cracking process can be circulated to the furnace to be combusted and be further cracked so that a harmless treatment is finally achieved.

The invention discloses a comprehensive utilization method for sludge generated in an ASP flooding sewage treatment process, comprising the following steps of: adding inorganic acid in the sludge generated in the ASP flooding sewage treatment process, stirring and filtering, wherein the filtrate from which little crude oil is recycled can continue to serve as coagulant; and then, drying sludge residue, crushing the dried residue to have needed granularity, and then using the crushed material as raw material for preparing swellable particle profile control agent. Mass ratio of main reactants for preparing the swellable particle profile control agent is as follows: acrylic amide: acrylic acid: the sludge: bentonite: 2% methylenebiacrylamide: 3% persulfate = 10-25: 2-4: 5-12: 5-12: 0.3-1.0: 0.3-1.0; by the comprehensive utilization of the sludge generated in the ASP flooding sewage treatment process, the harmless and resource-oriented treatment on the sludge generated by the ASP flooding is implemented, the obtained coagulant can be used for the ASP flooding sewage treatment, and the prepared swellable particle profile control agent has the characteristics of excellent temperature tolerance, salinity tolerance, suspension property and expansibility, and the like.

The invention relates to the technical field of garbage disposal, in particular to a household garbage pyrolytic electricity generation method. The method comprises the following steps that S1, household garbage is conveyed into a pyrolytic gas making furnace for pyrolytic gasification, reaction gas is introduced into the pyrolytic gas making furnace, and a product which contains combustible gas is obtained, wherein the oxygen content in the reaction gas ranges from 30% to 93%; S2, the heat value of the generated combustible gas is detected, and the oxygen content in the reaction gas introduced into the pyrolytic gas making furnace is regulated in real time, so that the heat value of the obtained combustible gas is output stably; S3, the combustible gas obtained in S2 is conveyed into a gas electricity generator for electricity generation. The gas obtained through household garbage pyrolytic gasification can be directly used for gas electricity generation.

The invention discloses a high-efficiency material used for industrial waste water treatment. The high-efficiency material is prepared by, by weight, 4-10 parts of anionic polyacrylamide, 5-9 parts of sodium lignin sulfonate, 0.5-0.8 part of potassium bacterium powder, 12-18 parts of begasse, 4-5 parts of diatomite, 5-7 parts of Taiwan cypress, 8-12 parts of polymeric ferric sulfate, 4-8 parts of zeolite, 12-18 parts of sodium humate, 14-22 parts of compund bacillus suckling pig, 1.5-2.5 parts of sterilizing agent, 4-7 parts of epoxy propane, 5-8 parts of ethyl cellulose and 1-4 parts of barium carbonate. The high-efficiency material has the advantages of being capable of efficiently and quickly kill bacteria in waste water, effectively precipitating harmful substance and effectively realizing harmless treatment of waste water.

The carbon embedding treatment process for chromium-containing solid waste includes the following steps: crushing the chromium-containing solid waste to grain size smaller than 3 mm, spreading the waste in sagger in the thickness of 0.1-1 m and covering the waste with charcoal or coke layer in the amount of 0.5-10 wt% of the waste; setting the sagger on bogie, heating at 1000-1350 deg.c and normal pressure in some heating furnace for 30-180 min, and cooling to room temperature outside the heating furnace. The said process can convert six-valent chromium compound completely into trivalent chromium compound to make chromium slag harmless.

The invention belongs to the technical field of intensified leaching-extracting recovery of iron and chromium with chromium slag and mixed acid, and particularly relates to a handling method for intensified leaching-extracting recovery of the iron and chromium with the chromium slag and mixed acid. According to the method, the mixed acid is used for performing intensified leaching, a reducing agent is added at the later leaching period for reducing leach liquor and hexavalent chromium in the slag, ferrum and trivalent chromium in the leach liquor are used for conducting extraction separation recovery, and thus the purposes of innocent treatment of the chromium slag and comprehensive recovery of the ferrum are achieved. When the method is used for handling the chromium slag, the hexavalent chromium and the trivalent chromium in the chromium slag can be dissolved out as far as possible, and the yellowing danger after handling of the chromium slag is lowered. The ferrum and chromium are recovered comprehensively, the purity of Fe(OH)3 and Cr(OH)3 is larger than 99.0%, and the purity of obtained ferric hydroxide and chromic hydroxide products is high.

The invention discloses a three-stage heating device, a biochar preparation system and a preparation method. The three-stage heating device comprises a heating furnace and a variable diameter reactorlocated in the furnace. The biochar preparation system comprises the three-stage heating device, the feeding end of the heating device is connected to a gas supply apparatus, and the discharging end is connected to a separator and a tail gas treatment apparatus in order. The preparation method includes: adding reaction materials into the three-stage heating device, supplying gas through the gas supply apparatus, carrying out pyrolysis reaction to produce biochar, bio-oil and gas, separating the bio-oil and gas by the separator, collecting the bio-oil, and conducting purification treatment on the gas by the tail gas treatment apparatus and then performing discharge. The invention has the following remarkable advantages that: firstly, the three-stage heating device can improve the heat transfer rate and airflow rate; secondly, the biochar preparation system can accurately prepare the biochar with better adsorption effect in terms of adsorption performance, and is environment-friendly andpollution-free; at the same time, the preparation method is simple, easy to operate, and low in energy consumption.

The invention discloses a formula and a method for commonly treating wet-method smelting slag and coal-series solid wastes. The formula is prepared from the following components in percentage by mass: 50 percent to 75 percent of the wet-method smelting slag and 25 percent to 50 percent of the coal-series solid wastes; the coal-series solid wastes comprise fly ash or coal gangues. The method comprises the following steps: (1) after dehydrating and drying the wet-method smelting slag, crushing and sieving; after crushing the coal-series solid wastes, sieving; (2) mixing the sieved wet-method smelting slag and the sieved coal-series solid wastes according to a ratio to obtain a mixture; carrying out high-temperature melting on the obtained mixture to obtain a vitrified product. In the view of simplicity and feasibility and universality, the wet-method smelting slag, the coal gangues or the fly ash is directly used for carrying out common treatment and pure chemical substances are not additionally added; wastes are treated by wastes and a plurality of types of the wastes are cooperatively treated; the harmlessness of the wet-method smelting slag and the coal gangues is realized through a vitrification manner.

The invention relates to a method for preparing a chemcial leakage accident adsorption agent through peat. The method mainly solves the problems that in the prior art, cost is high and environments are polluted. According to the method for preparing the chemcial leakage accident adsorption agent through the peat, the smashed peat and alkaline liquor are mixed and dipped in a sealed mode, then placed into an electric heating box to be heated at constant temperature, taken out and washed till pH is 6-8 and then dried, the dried peat is ground, the ground peat is mixed with a phosphoric acid solution, the mixed solution is placed in a drying box for air preoxidation, the preoxidized peat is heated under nitrogen atmosphere for carbonization and activation and then taken out after being cooled, the chemical leakage accident adsorption agent is obtained after washing. The technical scheme well solves the problems and can be used for preparing the chemical leakage accident adsorption agent.

The invention relates to a method for preparing a chemical leakage accident adsorbent from oily sludge and mainly solves the problems of higher cost and environment pollution in the prior art. According to the method for preparing the chemical leakage accident adsorbent from the oily sludge, the pulverized oily sludge with the water content lower than 40% is mixed with alkaline liquor and then subjected to sealing impregnation, a mixture is put in a heater case and heated at the constant temperature, the heated mixture is taken out and washed until pH is in a range of 6-8 and then is dried, the dried oily sludge is ground, the ground oily sludge is mixed with a phosphoric acid solution, the mixed solution is placed in a drying box for air pre-oxidation, the oil sludge after pre-oxidation is heated under the nitrogen atmosphere, subjected to carbonization and activation and taken out after cooling, and the chemical leakage accident adsorbent is obtained through washing. With the adoption of the technical scheme, the problems are better solved, and the method can be used for preparing the chemical leakage accident adsorbent.

The invention discloses a hydrothermal carbonization method of sludge. Firstly, sludge is pumped to a reactor, a catalyst is added to the sludge during pumping, and the catalyst comprises an active component and/or ozone for catalytic wet oxidation treatment; then, the reactor is heated for a hydrothermal carbonization reaction. Firstly, the catalyst is added to the sludge for catalytic wet oxidation treatment, volatile suspended solids in the sludge are removed, then, the rest sludge is subjected to hydrothermal carbonization treatment to be produced into charcoal, so that harmless treatmentof the sludge and emission reduction of sludge carbon are realized.

The invention discloses a method for treating sludge by ultrasonic high-temperature treatment and corn straw adding. The method has the advantages that the urban sludge is compositely treated by the ultrasonic waves, high temperature and expanded corn straw powder, the operation is favorable for industrialized control, the chemical reagent is not used in the whole process, the treated sludge does not contain any chemical component, the safety and non-toxicity effects are realized, the use range of sludge is widened, the sludge can be used for preparing fertilizer, and also manufacturing feed and feed additive and preparing an earthworm culture medium, and the injury to a human body via the food chain circulating is avoided; the wastes of corn straw and the like are utilized, the low-carbon and environment-friendly effects are realized, in comparison with other straw, the content of fiber is higher in the corn straw, and the content of lignin is lower, the corn straw is more suitable for preparing the expanded adsorbing structure, the filtering and dewatering property of the sludge can be obviously improved, the sludge is favorably recycled, and the good economic benefit is realized.

The invention provides a method for preparing nanometer calcium carbonate from calcium-containing solid waste residues and waste acid. The method comprises the following steps: (1) mixing calcium-containing solid waste residues or heavy calcium carbonate with waste acid, conducting violent stirring, and performing filtering to obtain a calcium-containing solution or a calcium salt precipitate; and(2) regulating the pH value of the calcium-containing solution or the calcium salt precipitate, introducing CO2 gas, adding a structure regulator for carbonization treatment, and performing filteringto obtain the nanometer calcium carbonate. According to the invention, high-added-value nanometer calcium carbonate and ammonium salt with a purity higher than 94% and a water content lower than 0.5%are generated, and residual water with a pH of approximately 7 is recycled for continuous acidification and neutralization treatment. According to the invention, organic combination treatment and application of industrial calcium-containing solid waste residues and waste dilute acid are effectively achieved; heavy calcium carbonate can also be independently added to treat industrial waste, namelydilute acid; and finally, the high-added-value nanometer calcium carbonate and an industrial-grade chemically-pure ammonium salt fertilizer are generated, so both economic benefits and environmentalprotection benefits are achieved, and good development prospects and application and popularization values are realized.

The invention discloses a circulating fluidized bed boiler tar residue blending combustion system and a working method thereof, and belongs to the technical field of harmful solid waste treatment andmetallurgical waste comprehensive utilization. The system comprises a dehydration system, a deoiling system, a pneumatic conveying system, a mixing system, a conveying system and a circulating fluidized bed boiler, wherein the dehydration system is connected with the deoiling system, the deoiling system and a dry pulverized coal feeding device are connected with the mixing system through the pneumatic conveying system, and the mixing system is connected with a feeding port of the circulating fluidized bed boiler through the conveying system. The system is flexible in arrangement and high in automation degree, heat is recovered while harmless treatment of tar residues is achieved, environmental pollution is reduced, and considerable economic benefits are achieved.

The invention relates to a method for preparing chemical leakage accident adsorbents from excess activated sludge, and mainly solves the problems of higher cost and environment pollution in the prior art. According to the method for preparing the chemical leakage accident adsorbents from the excess activated sludge, crushed excess activated sludge with the moisture content being lower than 60 percent and alkali liquor are subjected to sealing steeping after being mixed and are then put into an electric heating box for constant temperature heating; the mixture is taken out and is then washed until the pH is 6 to 8; then, drying is carried out; the dried excess activated sludge is ground; the ground excess activated sludge and a phosphoric acid solution are mixed; the mixed solution is put into a drying box to be subjected to air pre-oxidation; the excess activated sludge subjected to pre-oxidation is subjected to temperature rise under the nitrogen gas atmosphere for carbonization and activation; the excess activated sludge subjected to carbonization and activation is taken out after the temperature is lowered; after washing, the chemical leakage accident adsorbents are obtained. Through the technical scheme, the problems are better solved, and the method can be used for preparing the chemical leakage accident adsorbents.

The invention discloses a fuel oil engine tail gas purifier. The fuel oil engine tail gas purifier comprises a stainless steel shell, the stainless steel shell comprises a filling cavity and a containing cavity, the filling cavity is filled with zeolite, the side wall surface of the filling cavity is composed of a negative plate, and an insulator is fixedly connected with the upper surface in thecontaining cavity through a fixing bolt; the lower end of the insulator is connected with an anode through an anode wire, a low-temperature plasma electric field is formed between point discharge of threads and a negative electrode screen, so that particles in passing waste gas are forced to be forcibly charged, pollutants such as nitric oxide and oxycarbide are excited by high-energy particles generated in the plasma electric field, organic pollutant molecules absorb energy, the ground state is changed into the excited state, high-energy particles open chemical bonds of harmful gas molecules,meanwhile, carbon and hydrogen ions are oxidized into carbon dioxide and water to be discharged by utilizing the strong oxidizing property of generated negative oxygen ions, so that innocent treatment is achieved.

The invention relates to a method for preparing an oil-containing sludge-based active carbon water treatment agent, mainly solving the problem that a method for preparing the oil-containing sludge-based active carbon water treatment agent does not exist in the prior art. The method for preparing the oil-containing sludge-based active carbon water treatment agent comprises the following steps: (1) uniformly mixing oil-containing sludge-based active carbon, inorganic polymerized aluminum chloride, lime and white alum at a certain ratio; (2) adding water into a silica gel solution to prepare a silica sol binding agent and adding the silica sol binding agent into a sample of the step (1); sufficiently mixing and putting the sample into a drying box at 60 to 100 DEG C to be subjected to air pre-oxidization; heating the cooled sample to 300 to 500 DEG C under a nitrogen gas atmosphere and roasting at a constant temperature for 1 to 3 hours; cooling to obtain the water treatment agent. With the adoption of the technical scheme, the problems can be solved better and the technical scheme can be used for preparing the water treatment agent.

The invention relates to a method for recycling and comprehensively utilizing pleuromutilin waste residues. The method includes adding the pleuromutilin waste residues with the water contents lower than 2% into water, allowing the pleuromutilin waste residues to stand still for 15 min, and adding 4 mol/L phosphate into the pleuromutilin waste residues to regulate a pH (potential of hydrogen) value of the pleuromutilin waste residues until the pH value is 5.0-6.0 so as to obtain residue liquid; adding compound enzymes into the residue liquid, carrying out enzymatic hydrolysis at the temperatures of 30 DEG C for 60-90 min, filtering the residue liquid to obtain filter liquid which is protein nutrient liquid; inoculating strains in seed cultivation media with a pH value of 6.15-6.25 under the conditions of ventilation of 1.0-1.1 vvm and the rotational speeds of 200-250 rpm, inoculating the cultivated strains in fermentation cultivation media with a pH value of 8.15-8.25 and cultivating the strains under the condition of ventilation of 0.6-1.3 vvm and the rotational speeds of 70-115 rpm at the temperatures of 24.5-26.5 DEG C for 270-300 h so as to obtain fermentation liquid. A classification name of the strains is sweet-bread mushroom, the Latin scientific name of the strains is clitopilus prunulus, the strains are preserved in the Common Microorganism Center of the China Committee for Culture Collection of Microorganisms on 8 May, 2012, and the preservation number of the strains is CGMCC No.6093. The inoculation quantity of the strains accounts for 8%-10% of the total mass of the strains and the fermentation cultivation media.

The invention discloses an electric self-suction closestool which comprises a fermentation tank, a vacuum pump, a vacuum tank and a closestool body, a flushing coil pipe is installed in the closestool body, a sewage discharge channel is formed in the closestool body in a split mode, a feces suction pipe is installed at one end of the sewage discharge channel, and the feces suction pipe penetrates through the surface of a wall and extends to the outside. Through the vacuum self-suction principle, excrement can be treated by using a micro water flushing technology, the vacuum tank can be matched with the fermentation tank to be placed outside for use and can also be integrated into the closestool to be independently used indoors, and meanwhile, the closestool body can be subjected to water sealing through a water supply mechanism and the flushing coil pipe to prevent peculiar smell from being emitted; in the non-working period, the interiors of the feces suction pipe and the vacuum tank are vacant, the feces suction pipe and the vacuum tank cannot be frozen due to cold weather, the structure is simple and ingenious, the manufacturing cost is low, overall refitting and using are convenient, influences of excrement storage containers are avoided, and the closestool can be in butt joint with all the excrement storage containers in the market.