170results about How to "Achieve deodorization" patented technology

The invention discloses a pharmaceutical compound for treating wastewater containing complex heavy metals and / or radioactive substances and application of the pharmaceutical compound. The pharmaceutical compound comprises one of 8-hydroxyquinoline and derivatives of 8-hydroxyquinoline or a composition of any two of 8-hydroxyquinoline and the derivatives of 8-hydroxyquinoline, one of polyamine-dithiocarbamates or a composition of any two of the polyamine-dithiocarbamates, and one of dihydrocarbyl dithiophosphates or a composition of any two of the dihydrocarbyl dithiophosphates, wherein the mass fractions of the three components are respectively 1% to 90%, 1% to 90% and 1% to 98%. The pharmaceutical compound is dissolved in water and then the pharmaceutical compound solution is added into wastewater to be treated, and the amount of the pharmaceutical compound is 0.5 to 2 times larger than the theoretical amount of heavy metals and radioactive substances in the wastewater; and a metal complex is formed after sufficient stirring, and finally, the wastewater treatment can be completed by filtering separation. The pharmaceutical compound and the application of the pharmaceutical compound provided by the invention have the advantages of obvious effects, less investment, low cost, no site restriction, remote automatic control and the like.

The invention discloses a health sanitary napkin and a protection pad, comprising a fabric layer (1) superimposed together in sequence from top to bottom, a water intake layer (3), a water-proof film layer (6) and an adhesive layer (7). The invention is characterized in that fabric layer (1) is dried paper / cloth which is soaked by extracted traditional Chinese medicine immersion liquid; wherein the traditional Chinese immersion liquid is formed by extracting the following traditional Chinese medicine raw material according to parts by weight: 3-7 parts of hematoxylon, 3-7 parts of evodia lepta, 2-5 parts of golden cypress, 2-5 parts of honeysuckle, and 0.5-3 parts of partsborneol. The sanitary napkin and the pad have the good functions of breathability and sterilization, anti-inflammation, anti-itch, and no stimulating effect.

The invention discloses a chemical agent for treating wastewater containing thallium and heavy metals. The chemical agent is mainly prepared from 1-90 percent of a component A, 1-90 percent of a component B and 1-98 percent of a component C, wherein the component A is one or combination of arbitrary two of sodium dimercaptosuccinate and derivatives thereof; the component B is one or combination of arbitrary two of hydroxames; and the component C is one or combination of arbitrary two of dialkyl dithiophosphate. The process comprises the following steps: dissolving the chemical agent in water to prepare a chemical agent aqueous solution which has a mass concentration of 2-20 percent; putting the chemical agent aqueous solution into to-be-treated wastewater containing thallium and heavy metals and / or radioactive substances, and sufficiently stirring to form metal complex; adding a little amount of inorganic flocculant containing magnesium, iron, silicon or aluminum and / or polymer flocculant to form flocculent precipitation which can be filtered and separated; and finally filtering and separating to complete wastewater treatment. The chemical agent can be used for realizing functions of deodorizing waterbody, removing organic matters, completely removing thallium and heavy metals and the like.

The invention discloses a preparation technology of active carbon for active carbon sheet materials, relating to the technical field of interior decoration, comprising the following steps in order: preparing raw materials, drying, charing, cooling, activating, grinding, crushing and sieving to obtain a finished product of active carbon. The invention has the following beneficial effects: easily available raw material for preparing active carbon, and high iodine sorption value of cocoanut active charcoal, and the prepared cocoanut active charcoal can be applied for house, automobile and various newly-decorated places, can adsorb poisonous and harmful gases of formaldehyde, benzene, halogen hydride to achieve the effects of purifying air, deodorizing, resisting mildew, and absorbing moisture.

The invention discloses a chemical pharmaceutical wastewater pretreatment enhancement device. The device comprises an enhanced coagulation reaction basin, a first vertical sedimentation basin, a multiphase Fenton oxidation reactor, an ozone oxidation treatment system and a second vertical sedimentation basin which are orderly communicated; and meanwhile, the invention discloses an enhancement treatment method of the device. In comparison with the traditional homogeneous phase Fenton method, the multiphase Fenton oxidation method is wider in suitable pH value, and faster in oxidation rate and better in degradation effect, and can provide catalyst iron ion for the ozone at the same time; the ozone has strong oxidation degradation effect on the organic pollutants in the water, and is capable of converting the complex organic pollutants into simple organics to realize the functions of decoloring, deodorizing, reducing COD and improving biodegradability, and the ozone has the advantages of being fast in speed, good in effect, free from secondary pollution, capable of producing in place and easily obtaining raw materials when reacting with the organic pollutants; and the multiphase Fenton oxidation method and the ozone oxidation form the organic coupling so as to effectively enhance the pretreatment effect of the chemical pharmaceutical wastewater.

The invention discloses a household intelligent shoe cabinet and a control method for the household intelligent shoe cabinet. In the shoe cabinet, an outer support frame and a covering part are the outer contour support parts of a whole shoe rack, a compressing mechanism tightly presses shoes on storing and taking shoe comb teeth of a storing and taking shoe rotating mechanism, synchronous rotating is carried out, vertical movement is carried out under the driving of a lifting mechanism, a shoe placing mechanism rotates under the driving of a shoe rack rotating mechanism, a dust removing mechanism and a dust sucking mechanism are arranged in set, and in an information collecting and control assembly, a singlechip microcomputer is in signal connection with a micro-camera, a fingerprint collecting module, a feedback screen and keys in a key selecting area, and controls the storing and taking shoe rotating mechanism, the compressing mechanism, the lifting mechanism, the shoe rack rotatingmechanism, the dust removing mechanism and the dust sucking mechanism to operate. The control method comprises the process including taking indoor shoes and storing outdoor shoes, taking the outdoorshoes and storing the indoor shoes, and self-inspection and self-cleaning for the inside of the shoe cabinet. The household intelligent shoe cabinet is complete in function and high in degree of automation, and can satisfy the demand for the intelligent convenient and rapid life.

The invention relates to a biological deodorant. The method is as below: respectively weighing a proper amount of nutrients, and adding water to prepare a nutrient solution; adding bacterial strain into the nutrient solution; and culturing for 72 h at appropriate temperature to obtain the effective deodorant. The preparation method is simple, and does not need the complex preparation equipment. Through the decomposition of ammonia, hydrogen sulfide, methyl mercaptan and other odors, malignant breeding of harmful microorganisms is inhibited, and the generation of odor substances is reduced to reach the functions of deodorizing and repelling mosquitoes, thereby not only providing a good living environment for the animals but also reducing the risk of the spread of diseases.

The invention provides a refrigerator. The refrigerator comprises a storage room, an evaporator, an air inlet duct which introduces dry and cold air passing through the evaporator into the storage room, an air-return duct which introduces wet and hot air in the storage room into the evaporator, and a smell-removing and frost-reducing device used for removing abnormal taste in the refrigerator and reducing frost quantity. The smell-removing and frost-reducing device comprises a purification and moisture-absorption unit and an air-exhausting device which are arranged in the air-return duct, the purification and moisture-absorption unit can adsorb abnormal-taste molecules and water molecules, after being heated, the purification and moisture-absorption unit carries out oxidative decomposition to abnormal-taste molecules and desorbs water molecules, and the air-exhausting device can exhaust abnormal-taste molecules and water vapor out of the refrigerator. The refrigerator can thoroughly eliminate abnormal taste in the refrigerator, and frost reducing and energy saving can be achieved at the same time.

The present invention relates to collagen and its preparation process. The preparation process includes eliminating foreign matter and scale from fish skin, washing, chopping in meat chopper, adding deionized water and heating inside a container, hydrolyzing with hydrolyzing proteinase, secondary hydrolyzing with flavoring hydrolase, heating to inactivate, letting stand to laminate, eliminating upper oil and grease layer, filtering the hydrolyze, defatting in a supercritical CO2 equipment, microfiltering to obtain filtrate, and spray drying to obtain collagen powder. The collagen powder has high solubility, high yield and good taste. The collagen may be used widely in food, cosmetics, medical supplementary material, enzyme and bioactive matter carrier, etc.

The present invention relates to garbage treating technology, and is especially medical refuse treating process and apparatus. The technological process of the present invention includes sealing medical refuse inside comprehensive treating apparatus, treating the refuse with steam at 138-160 deg.c and 4-8 atm for 20-50 min, collecting the treated refuse via the refuse draining unit, exhausting used steam via chimney, sorting in sorting machine and crushing in antiwear crusher. The refuse treating apparatus includes conveyer, comprehensive treating apparatus, collector, transmission mechanism, sorting machine and antiwear crusher. The present invention can reach the aims of sterilization, deodorizing, debenzolization, reusing, etc. and is environment friendly.

The invention relates to a method for preparing expanded graphite load nanometer bismuth vanadate photochemical catalyst, which comprises the following steps: 1 adding bismuthate and stabilizing agent into phosphate buffer, stirring for 15 to 60 minutes to form turbid liquid, dissolving metavanadate into the phosphate buffer uniformly, adding the phosphate buffer into the turbid liquid, and stirring the solution to be uniform to form transparent solution; and 2 regulating potential of hydrogen (pH) value through alkaline solution, adding expanded graphite at the temperature of 20 DEG C to 100 DEG C, stirring, mixing, refluxing for 6 hours to 24 hours, centrifuging, filtering, washing, finally roasting the obtained products, cooling and grinding to obtain the final product. The method is low in cost, easy to apply and good in maneuverability and has low requirements for devices. The obtained expanded graphite powder bismuth vanadate is even in self-assembly, can efficiently degrade durable toxic and harmful substances under conditions of ultraviolet light and visible light, can be recovered and recycled easily and conveniently and is very suitable for deep processing of waste water.

The present invention relates to a water treatment agent, and is a network polymer which is formed from structure unit formed from plant polyphenol modified by Mannich reaction and structure unit formed by polymerization of tertiary ammonium salt and inorganic flocculant or structure unit formed by polymerization of quaternary ammonium salt and inorganic flocculant and whose molecular weight is 700000-25000000, in which the plant polyphenal is condensate polyphenol and complex polyhenol, the inorganic flocculant is any one of magnesium silicate, ferrous sulfate, aluminium sulfate, iron trichloride, polyiron and aluminium-containing iron sulfate.

The invention discloses a material separation method for conversion from edible insect bodies to organic waste, which is specifically implemented by carrying out drying and vacuum drying on insect bodies subjected to waste conversion, especially, microwave drying is adopted, live insects are directly laid in a microwave drying device, and the lying thickness of the live insects is 1-5 cm, and the time is controlled at 2-10 minutes. Dried stratiomyiid bodies are crushed, and then stratiomyiid oil is extracted respectively by using traditional methods such as a cold-maceration method, a soxhlet extraction method, an ultrasonic method and a subcritical method so as to obtained separated crude oil and insect meal. The method is easy to perform and convenient to operate, thermosensitive substances in extracted oil are not damaged, bright in color and low in production cost, have no pollution, and can be used for large-scale production.

The invention relates to a system and a method for reducing the ash content of pyrolysis carbon black of waste tires and recovering Zn. The system comprises a distillation chamber, a first condensation tower and a second condensation tower which are sequentially connected, wherein the first condensation tower is also connected with a zinc collecting tank; the second condensation tower is also connected with an oil collecting tank and a tail gas treatment device; and the distillation chamber is connected with a vacuum pump. According to the method disclosed by the invention, the pyrolysis carbon black is reprocessed by using a vacuum distillation chamber, carbon black and zinc oxide in the pyrolysis carbon black are subjected to a carbothermic reduction reaction under a high-temperature vacuum environment to generate zinc and vaporize at a high temperature, condensation recovery is realized, and residual oil in the carbon black is removed by high-temperature vaporization at the same time; according to the method disclosed by the invention, the ash content of the pyrolysis carbon black can be reduced, the performance of the pyrolysis carbon black is greatly improved, meanwhile, the purposes of recovering zinc and removing excess oil are achieved, the treated carbon black achieves the purposes of deodorization and oil removal, the ash content of the treated carbon black can be obviously reduced, and the recovery rate of crude zinc and oil is high.

The invention discloses a multifunctional sterilizing and deodorizing ceramic block. The ceramic block comprises a cellular ceramic matrix, a porous oxide carrier, a catalytic activity component and an assistant component. The cellular ceramic matrix is coated with the porous oxide carrier, and the catalytic activity component and the assistant component are contained in the cellular ceramic matrix. The multifunctional sterilizing and deodorizing ceramic block simultaneously has sterilizing deodorizing and formaldehyde removing functions, and can work in an internal circulation ventilation system without a light source, a heating furnace or other auxiliary devices. The multifunctional sterilizing and deodorizing ceramic block can be widely installed at the screen air outlets of air purifiers, household air conditioners and other electric appliances, can be placed in refrigerators, wardrobes and other household products to reach sterilizing, deodorizing and formaldehyde purposes in air purification, is convenient for people to install and use, and has a simple structure.

The invention relates to a 'main-auxiliary' activated sludge method for coupling deodorization and strengthening nitrogen and phosphorus removal. A main line adopts traditional activated sludge and adeformation process thereof, and in an 'auxiliary' line, a sludge micro-screen filter, a side-flow sludge biological culture tank (S2HBR) filled with a strain culture tank (SBIO-A) and a side-flow activated sludge anaerobic hydrolysis tank (S2ASH) reactor are arranged in an activated sludge return line; an auxiliary line reaction tank S2HBR and S2ASH tank can be connected in parallel or in series.The method can directionally enrich, and significantly improve and optimize a flora structure of the activated sludge, 'main-auxiliary' reactor combination achieves the directed cultivation of specific microorganisms through a side-flow reactor on the 'auxiliary' line and conducts functional microbial inoculation on a main biochemical system on the 'main line', and the 'main-auxiliary' reactor configuration can achieve deep denitrification and dephosphorization of the biochemical system, and significantly improve the deodorization effect of the whole process, while saving commercial carbon sources and achieving activated sludge In situ process reduction.

The invention discloses a green and environment-friendly coating. The green and environment-friendly coating comprises the following raw materials in percentage by weight: 35-80% of sodium silicate, 8-16% of nano-scale silicon dioxide particles, 3.5-8% of silicon phosphate, 2-25% of titanium dioxide, 0.5-2% of bentonite, 0-2% of diatomite, 0.3-5% of azalea plant dry powder, 0-5% of poinsettia plant dry powder, 0-3% of ivy plant dry powder, 0-3% of asparagus fern plant dry powder, 0.3-3% of stephanotis floribunda, 0-2% of spathiphyllum kochii plant dry powder, 0-2% of scindapsus aureus plant dry powder, 0.3-3% of micheliafigo plant dry powder and 0.3-3% of natural colored jade powder. The green and environment-friendly coating disclosed by the invention has not only a pigment decoration effect, but also the effects of purifying air, resisting bacteria, sterilizing, anti-fouling and the like by applying the green and environment-friendly plant type raw materials in the coating. The coating disclosed by the invention is a dry powder coating, and when in use, the coating is added with water and uniformly stirred, so that the storage cost and transportation cost of the coating are greatly saved; and furthermore, the sources of the raw materials are extensive, and the practical value is great.

The invention relates to preparation and application methods of a bioactive compound filling material and belongs to the technical field of sewage treatment in environmental engineering. In order to improve the biological characteristics of activated sludge in a biological sewage treatment system, a sludge enhancement pond is added to a sludge return section of a sewage treatment system based on activated sludge process, a special bioactive compound filling material is loaded in the pond to serve as a culture medium and a carrier of microorganisms, then a part of returned sludge in the sewage treatment system enters the sludge enhancement pond and stay for a while to fully contact the bioactive compound filling material, and subsequently the sludge returns to an aeration pond or coarse screen and a primary sedimentation pond used in activated sludge process according to different proportions. The invention has the positive effects of reducing the risk of sludge bulking, reducing the yield of sludge, eliminating odor in sewage and sludge treatment processes, and is suitable for the upgrading reconstruction of the conventional sewage treatment system based on activated sludge process.

The invention relates to a liquid shoe polish prepared by ginkgo leaf ketone extracted paste residual wastes and a preparation method thereof. The shoe polish comprises the following raw materials by mass percent: 60-80% of filtered and suction filtered ginkgo leaf ketone extracted paste residual wastes, 0.5-3% of solid paraffin, 0.5-3% of beewax, 0.5-15% of liquid paraffin, 1-15% of turpentine, 0.5-1% of surfactant, 0.5-1% of emulgator, 0.5-1% of silicon oil, 0.05-1% of natural essence, and 0.05-1% of glycerinum. The invention also relates to the preparation steps of the liquid shoe polish. The shoe polish has the characteristics and advantages of using the natural plant source ginkgo leaf residual wastes as the black raw material, having no dyes, no toxicity, and no odor, being bright and clean, good in polishing performance, and environment-friendly, having a simple preparation process and low cost, efficiently using the ginkgo leaf residual wastes, turning the waste into wealth, firmly coloring, being bright in color and luster, softening and protecting the leather, repairing shallow marks, being mould-proof and anti-microbial, being not prone to have dust, and being light-resistant, heat-resistant and good in stability.

The invention relates to a disposable health-care deodorized insole which comprises an upper insole breather layer, a lower insole impervious layer and sweat-absorbing deodorization layers, wherein the upper insole breather layer is a non-woven fabric layer, the lower insole impervious layer is a PE film, the sweat-absorbing deodorization layers are clamped between the upper insole breather layer and the lower insole impervious layer, and an insole sleeve edge is fixedly sewed on the peripheries of the upper insole breather layer and the lower insole impervious layer; and the sweat-absorbing deodorization layers are cotton layers, and a health-care layer is clamped between the sweat-absorbing deodorization layers and is a mugwort woolen layer or a moxa leaf layer. The invention has simple and convenient manufacture and use as well as notable and durable effect, can achieve the functions of deodorizing, dehumidifying and sterilizing, and has no toxic or side effect and low production cost; and the product thereof can be easily accepted by consumers.

The invention discloses a sterilization oxygen production type vehicle-mounted air purifier, and relates to a vehicle-mounted air purifier. The problems that the pollutant filtering effect is poor, and sterilization and oxygen production can not be conducted at the same time in an existing vehicle-mounted air purifier are solved. A motor is connected with an induced draft fan through an output shaft, and an air inlet is formed in the direction opposite to the direction, connected with the motor, of the induced draft fan. The other end of the air inlet is connected with an air inlet pipe, and the other end of the air inlet pipe is connected with a dust collection flow guide cover. Four levels of filters are sequentially arranged in parallel under the motor from top to bottom. An ultraviolet lamp is arranged inside a ventilation chamber between the sponge primary filter and the manganin ozone secondary filter, the ventilation chamber is communicated with a fresh air inlet pipe and an air outlet pipe respectively, and the fresh air inlet pipe and the air outlet pipe are respectively connected with a fresh air flow guide cover. The induced draft fan is arranged at the joint of the fresh air inlet pipe and the corresponding fresh air flow guide cover, and a plenum fan is arranged at the joint of the air outlet pipe and the corresponding fresh air flow guide cover. The sterilization oxygen production type vehicle-mounted air purifier is used for purifying the air inside a vehicle.

The present invention discloses a production process of nano self-cleaning building aluminium curtain wall plate. Said production process includes the following steps: (1). spray-coating face paint; (2). leveling; (3). spray-coating nano self-cleaning solution; (4). heating and curing; and (5) photocuring.

The invention discloses an indoor formaldehyde scavenger and a preparation method thereof, and relates to the field of indoor air purification. The formaldehyde scavenger is a light white transparentemulsion prepared from amino acids, a polyamine compound, titanium dioxide@carbon nitride quantum dots, a water-based polymer emulsion, a wood penetrant, a moisture absorbent, a surfactant, a lemon extract liquid and water. According to the invention, formaldehyde can be efficiently and durably immobilized through the amino acids and the polyamine compound to form a product which is good in stability, nontoxic and harmless; the formaldehyde is degraded through photocatalysis by the titanium dioxide@carbon nitride quantum dots, indoor formaldehyde can be thoroughly catalyzed and decomposed under common indoor conditions, the formaldehyde storage amount is reduced, meanwhile, the activity of viruses and bacteria can be effectively inhibited, and the effects of air purification, sterilization, deodorization, mildew prevention and the like are achieved.

The invention provides an ABS hydrophobic and oleophobic material with surface loaded by TiO2 / diatomite, and a preparation method thereof. The ABS hydrophobic and oleophobic material is composed by the following raw materials by mass: 98-99.9% of an ABS resin and 0.1-2% of a TiO2 / diatomite composite photocatalytic material. The ABS hydrophobic and oleophobic material with the surface loaded by TiO2 / diatomite is obtained by the steps of A. firstly preparing the TiO2 / diatomite composite photocatalytic material, B. dispersing the TiO2 / diatomite composite photocatalytic material in ethanol to form a suspension liquid, and C. coating the suspension liquid on the surface of a mold, then keeping ABS resin particles at the temperature of 100-140 DEG C for 10-30 min, and compression molding at the temperature of 150-180 DEG C; or keeping the ABS resin particles at the temperature of 100-140 DEG C for 10-30 min, compression molding at the temperature of 150-180 DEG C, then coating the suspension liquid obtained by the step B on the surface of the compression molded ABS resin material, and then compression molding at the temperature of 150-180 DEG C. The ABS hydrophobic and oleophobic material has the characteristics of super-hydrophobic surface self-cleaning effect and self-cleaning capacity. The preparation method is simple in process, simple in operations, small in investment, low in operation cost and no pollution to environment.

The invention discloses a microbial sewage treatment device and a using method thereof. The microbial sewage treatment device comprises a treating pond body; a sewage inlet pipe is arranged at one side of the treating pond body, and a drain pipe is arranged at the other side of the treating pond body; a filter screen assembly is arranged at the inner side of the sewage inlet pipe; a flocculating tank, an aeration tank, a filtering tank and a deodorization tank are arranged in the inner cavity of the treating pond body; the flocculating tank and the aeration tank are separated from each other by means of a first spacer plate, and a first drain outlet is formed under the first spacer plate; the aeration tank and the filtering tank are separated from each other by means of a second spacer plate, and a second drain outlet is formed under the second spacer plate; a porous ceramic filter plate is arranged between the filtering tank and the deodorization tank. The microbial sewage treatment device is simple in structural principle, and can realize the filtration, sedimentation, aeration treatment and deodorization of microbial sewage, thus increasing the sewage purification efficiency andachieving the aims of energy conservation and emission reduction.

The invention discloses a preparing method for nutritional type water conserving and soil loosening compound fertilizer. The method comprises the following steps that 1, compound enzyme liquid is prepared; 2, microelement is thrown into gamma-polyglutamic acid liquid to carry out a chelation reaction to prepare a pelleting bonding agent; 3, a pharmacy agent, an enzyme preparation and citric acid are selected, fermented and filtered in a pressing mode to obtain mycelium residues, the mycelium residues are thrown into a high-temperature and high-pressure wall breaking tank, saturated steam is introduced, and instant pressure reducing is carried out to enable mycelium cell walls to be broken to prepare a chitin and chitosan organic mixture; 4, the organic mixture obtained in the step three is dried and crushed to obtain a water conserving and soil loosening master batch, the master batch and inorganic nutrients are mixed and stirred uniformly, and thrown into a pelletizer, the pelleting bonding agent is sprayed into the mixture, and pelleting and screening are carried out to obtain the nutritional type water conserving and soil loosening compound fertilizer. The fertilizer has the advantages of being rich in nutrient and capable of reducing water loss and soil erosion, increasing soil moisture content, increasing soil bulk density, loosening soil, remarkably increasing the nutrient utilization rate, and promoting the agriculture yield and income increase.

The invention provides a multi-stage ecological combined wastewater deep treatment system comprising a grille, a grit basin, a lifting pump station, a water distribution well, an ecological tank, a filter tank, a modified wetland, a sterilizing segment, and a metering device that arranged according to a water flow direction; the ecological tank sequentially comprises an ecological combination area, a coagulation-reaction area, and a plant filtering and settling area; the filter tank is a fiber turnplate filter tank or a continuous flow grit filter tank or a buried back-flushing filter tank having low waterhead loss; the modified wetland sequentially comprises a water distribution well, a water distribution channel, a vertical flow wetland, a rectifying channel, an underflow wetland, a collection well, and a filtering well. The multi-stage ecological combined wastewater deep treatment system can be used to create a good landscape environment, and the adverse effect of the construction of a conventional wastewater plant upon surroundings is reduced.

The invention discloses a preparation method and a fertilizing method of apple compound fertilizer and belongs to the technical field of compound fertilizer preparation and application. The preparation method of the compound fertilizer includes: preprocessing, to be more specific, collecting branches and fallen leaves after winter orchard cleaning and fruit tree pruning, removing stone, scrap iron or plastic products in the branches and fallen leaves, and using a crushing machine to crushing the branches and fallen leaves into sawdust; mixing raw materials, to be more specific, selecting at least one of chicken manure, pig manure, sheep manure and cattle manure to mix with the sawdust to obtain a mixed raw material; performing composting fermentation, to be more specific, adding water into the mixed raw material, sufficiently mixing, piling the mixed raw material into a conical structure on the cement ground, and fermenting to obtain the compound fertilizer, wherein black covering cloth covers the conical structure, and a plastic tube is inserted into the center of the conical structure; inspecting the compound fertilizer. The preparation method is simple, environmentally friendly in raw materials and capable of effectively solving the treatment problem of the branches and fallen leaves.

The invention relates to a preparation technique of pressed activated carbon and a method used for manufacturing an activated carbon slab and an activated charcoal column (a square column and a cylinder). The preparation technique of the pressed activated carbon comprises: carbonaceous raw materials are put into a carbonization furnace and heated to 950 DEG C; then water is added to carry out spraying and form high pressure water vapor; shells are cooled to natural temperature after carbonization and taken out of the furnace to be put into a ball mill and processed into about 200 meshes, mixed and evenly stirred with binding agent in a proportion of 1:1, and the mixture is put into a baking furnace with a temperature of 145 DEG C for 45 minutes, and the pressed activated carbon is obtained. The manufacturing technique of the invention employs processing leftover bits and pieces such as shells, bamboo, etc., as major raw materials, which saves cost and achieves environmental effect at the same time.

The invention discloses a sludge dehydration conditioning agent and its preparation method and use method and belongs to the technical field of environment engineering. The sludge dehydration conditioning agent is obtained by mixing calcium carbide slag, marble slag, carbides and cured sludge according to a mass percentage ratio of (4-6): (2-4): (2-4): (4-6). The preparation method comprises respectively fragmenting calcium carbide slag, marble slag, carbides and cured sludge, carrying out ball milling and carrying out mixing according to a ratio to obtain a uniform mixture. The use method of the sludge dehydration conditioning agent comprises mixing sludge and the sludge dehydration conditioning agent according to a mass ratio of 1: (0.05-0.1) to obtain a uniform mixture, carrying out standing for 1 day, and carrying out dehydration treatment on the sludge mixture to obtain sludge with water content less than 50% and pH of 5-10. The sludge dehydration conditioning agent has the advantages of low cost, simple operation and obvious dehydration effects, has a wide raw material source, can be fully mixed with sludge easily, and can effectively improve a sludge combustion heat value. The sludge treated by the sludge dehydration conditioning agent can be recycled. The sludge dehydration conditioning agent realizes sludge harmlessness, quantitative reduction and recycling application.