38results about How to "Solve ecological problems" patented technology

A nanosphere of abamectin used as both medicine and agricultural chemical is prepared through preparing the polylactic acid-polyglycollic acid copolymer (PLGA), mixing abemectin with PLGa, ultrasonicemulsifying, volatilizing solvent, supersonic centrifugal treating, mixing, concentrating, leaching with distilled water, and supersonic centrifugal treating, mixing, concentrating again, and freeze drying at -106- -108 deg.C. Its advantages are slow release, low poison and low cost.

The invention relates to a preparation method of micropore-developed activated carbon, which comprises the following steps: (1) drying or airing Enteromorpha, pulverizing, and passing through a 40-50-mesh screen to obtain Enteromorpha powder; heating the Enteromorpha powder to 550-700 DEG C, and keeping the temperature to obtain an Enteromorpha carbonization material; (2) adding potassium tartrate into the Enteromorpha carbonization material according to the mass ratio of (1-5):1, uniformly mixing, adding deionized water, stirring uniformly, and drying to obtain a mixture; and (3) heating the mixture to 500-900 DEG C to activate for 0.5-2.5 hours in a nitrogen protective atmosphere, stopping heating, cooling to room temperature, washing with dilute hydrochloric acid, washing with deionized water until the pH value is 6.5-7.0, and drying or naturally airing. The micropore specific area of the activated carbon is 93.36%, the microporosity is 67.3%, the pore size is 2.241nm, and the activated carbon has high adsorptivity and favorable properties.

The invention introduces a method for greening areas with barren side slopes. The method comprises the following steps: (1) by studying greening suitable planting conditions of a slope body(8), a greening plan is worked out; (2) the slope body(8) is cleaned and dressed; (3) ecological anti-sliding tenons (5) or systematic ecological anchor rods (3) or bar screens (10) and systematic ecological anchor rods (3) are arranged; (4) porous degradable ecological bags (1) are evenly arranged, and link buckles(2) of ecological bags and porous degradable plastic blind pipes (4) are arranged between the porous degradable ecological bags(1); and (5) grass and bushes (6) are planted. The method has the advantages that: 1. the method can effectively resolve the problem of restoring ecological environment in the areas with the barren side slopes and make an individualized ecological design; 2. the method can avoid water loss and soil erosion; 3. the method can greatly prolong ecological duration; and 4. the method is simple in construction, low in cost and wide in application range.

The invention discloses a method and system for preparing high-purity lithium carbonate. The method for preparing the high-purity lithium carbonate includes the following steps that carbonic acid type salt lake brine is concentrated and then warmed, lithium carbonate is saturated and crystallized out, and crystals are collected to obtain lithium carbonate refined salt; distilled water recovered when brine with the temperature of 60 DEG C or above is evaporated and concentrated is utilized to flush the collected lithium carbonate refined salt, and then sodium sylvite in the refined salt is dissolved; drying is conducted to obtain the high-purity lithium carbonate. According to the process, a chemical reagent is not needed, the lithium carbonate can be purified only through physical operation, the purity of the purified lithium carbonate reaches 95% or above, and therefore transportation cost in later periods and cost of further purification are beneficially reduced. The process is low in requirements for transportation and can not pollute the environment.

The invention relates to a composite ecological bank protecting structure and a construction method thereof. The composite ecological bank protecting structure comprises a low-water-level area bank protecting unit, a normal-water-level area bank protecting unit, a flood-stage area bank protecting unit and a landscape accessory structure arranged on the flood-stage area bank protecting unit in a section mode and used for viewing, the low-water-level area bank protecting unit comprises a rubble slope base and a hollow concrete block, and the normal-water-level area bank protecting unit comprisesa Reynolds protecting cushion layer, an ecological buffering tank, a clean water wetland and a water collecting dark canal; and the bottom of the water collecting dark canal communicates with the bottom of the ecological buffering tank through a communicating pipe, and the flood-stage area bank protecting unit comprises ecological grassland, a drainage ditch and a seepage dam. According to the different characteristics of a river bank in each area, the flood control, ecology and landscape function of the river bank are organically combined, the problems of poor ecological and landscape effectof a traditional bank are solved, and the ecosystem and bank protecting stability of a river bank belt are improved.

The invention provides a multifunctional agricultural thin film and a preparation method thereof. The multifunctional agricultural thin film comprises the following components in part by weight: 100 parts of resin, 1 to 5 parts of microencapsulated mouse-proof and insect-proof agent, 5 to 10 parts of nano particles A, 2 to 5 parts of nano particles B, 0.2 to 0.5 part of antioxygen, 0.1 to 0.25 part of light stabilizer and 20 to 40 parts of filler, wherein the microencapsulated mouse-proof and insect-proof agent consists of a capsule core and a capsule covering the capsule core; the capsule core is made of more than one of capsaicine, capsaicine derivative, N-ethyl-2-(isopropyl)-5-methylcyclohexanecarboxamide or N-ethyl-2-(isopropyl)-5-methylcyclohexanecarboxamide derivative; and the capsule is made of melamine formaldehyde resin with a particle size of 35 to 55 mu m. The preparation method disclosed by the invention is simple and efficiency, and the agricultural thin film has good mouse-proof, insect-proof, self-cleaning and diffuse-reflection effects; meanwhile, the production cost is lowered, the service life of the agricultural thin film is prolonged, and the application range of the agricultural thin film is enlarged.

The invention relates to a method for processing the percolation liquid of domestic garbage, which belongs to the technical field of the resource processing of wastes. The process comprises the following steps: injecting percolation liquid into a regulation tank by a lifting pump and regulating the pH; afterwards, injecting the percolation liquid into a pre-acidification tank to carry out pre-acidification processing; then, injecting the percolation liquid after the pre-acidification processing into a methane lifting type reactor by a water circulating pump to carry out anaerobic fermentation; delivering waste water after the anaerobic fermentation to an aerobic tank reactor to carry out oxidation processing; injecting the percolation liquid after the oxidation processing into a three-section oxygenous and aerobic reactor to carry out oxygenous and aerobic multi-stage circulation processing; and finally, injecting the liquid into a settling tank, discharging the generated sludge and outputting water. The process features low running cost, no secondary pollution, automatic control and high processing efficiency.

The invention discloses a method for preparing a carbon-based mineralized active fertilizer. The method includes the steps that forestry and agricultural residues and woody brown coal biomass serve as basic materials, the basic materials and a catalyst formed by mixing and blending powdered rock phosphate, pumice stones, serpentine, medical stone and bentonite are crushed respectively, mixed according to a certain proportion for pelleting and then placed into a carbonation reaction kettle for a reaction, output materials are cooled and then crushed again, wood vinegar, a biological agent and humic acid are added, stirred and mixed, and the carbon-based mineralized active fertilizer is obtained through pelleting. The carbon-based mineralized active fertilizer prepared through a simple and effective method is environmentally friendly, microcellular structures are increased by 20% and above compared with traditional charcoal, the fertilizer contains richer nitrogen, phosphorus, potassium and medium trace elements compared with the charcoal obtained just through biomass, the total quantity of nitrogen, phosphorus and potassium available to plants is increased by 15-30%, the total content of N-P-K is larger than or equal to 10% and above, the content of organic matter is larger than or equal to 36%, the fertilizer contains rich organic acid, the fertilizer consumption can be lowered, and fertilizer efficiency can be improved.

The invention discloses a construction method and structure of a wind-prevention and sand fixation brick array. According to the annul prevailing wind direction and the maximal wind speed of a desert in the area to be subjected to wind prevention and sand fixation, cuboid clay bricks taking clay as a main material are made, the clay content of each brick is not lower than 70% of the total size of the brick, a plurality of vertical through holes are formed in each brick along a height direction, the clay bricks are paved on the surface of a sand field in a staggered configuration manner to form a multi-row multi-line brick array, the length direction of each brick is rightly opposite to the annular prevailing wind direction of the area, the maximal distance of two adjacent bricks is not more than 7 times the length of each brick, the sum of the ground contact area of the bricks is not more than 50% of the area of the covered sand field, and the minimal value of the width of the brick array is 1.2 times more than the maximal wind speed. According to the construction method and structure disclosed by the invention, by means of paving the sand field with the clay brick array, an effective wind prevention and sand fixation effect is achieved, the local ecological and soil environment in a desert area can be further improved, and a role of promoting the increase of the natural growth of plants in the desert region is played.

The invention discloses a method for producing algae-derived saccharide with coupling and for purifying secondary tail water or sludge supernate. The method comprises the following steps: 1) enablingsecondary tail water or sludge supernate to flow into a reactor A, and removing nitrogen and phosphorus in water by utilizing microalgae; 2) filtering the effluent of the reactor A, discharging the filtered effluent, discharging the concentrated high-concentration algae liquid into a reactor B, and enabling a proper amount of high-concentration algae liquid to flow back to the reactor A when the biomass of algae in the reactor A is insufficient; 3) supplementing nutrients and trace elements into the reactor B, and adding a photosynthesis promoter and a metabolic disruptor to promote the increase of saccharide; and 4) after the culture is finished, performing filtering or centrifuging to form a high-concentration algae solution, and performing drying to obtain the algae powder. The method combines the water quality improvement of the secondary tail water or the sludge supernate with the production of algae-derived saccharide, greatly reduces nitrogen and phosphorus in the effluent, alsosolves the problem of supply of a large amount of biomass in the production of the algae-derived saccharide, and effectively reduces the culture cost.

The invention provides high polymer fabric made of a high polymer material. The fabric is prepared through following preparation processes: A, polyester fibers, bamboo fibers and cuprammonium fibers are subjected to melting granulation, then air-jet texturing filaments are spun and woven, and grey fabric is obtained; B, the grey fabric is put in a finishing liquid for dipping, dried and cooled, and finished fabric product is obtained, wherein the finishing liquidis prepared fromcomponents as follows: 12-20 g / L of titanium dioxide, 18-32 g / L of an acrylate binder, 1-3 g / L of glycerin, 3-4 g / L of a flame retardant, 1-2 g / L of alkyl polyoxyethylene ether succinatesulfonate, 1-2.5 g / L of tribenzylpolyoxyethylenephenol ether, 8-15 g / L of cetyl sodium sulfate and 1.5-3 g / L of an antibacterial agent,the natural antibacterial agent is a plant extract prepared from cudweed,floschrysanthemi, folium artemisiaeargyi, fructusforsythiae andherbahouttuyniae in a mass ratio being (1-2):(1-3):(1-3):(1-2):(1-1.5) through mixed extraction, and density of the plant extract is 1-1.5 g / ml. The pure-natural and non-toxic antibacterial extract is utilized to perform antibacterialtreatment on the fabric, so that the antibacterial effect is realized, the ecological problem in the prior art is solved very well, and energy-saving and environment-friendly effects are realized.

The invention relates to a special efficient nutrient solution for paeonia suffruticosa, and further relates to a preparation method of the special efficient nutrient solution for paeonia suffruticosa. The special efficient nutrient solution comprises the following components in parts by mass: 12 to 18 parts of fly ash, 7 to 12 parts of east wall soil, 2 to 4 parts of shell polwder, 40 to 50 parts of rice bran, 40 to 50 parts of saw dust, 25 to 32 parts of wheat straws, 15 to 22 parts of sweet potato leaves, 14 to 21 parts of entermorpha, 9 to 15 parts of carbamide, 12 to 17 parts of fish scales, 14 to 21 parts of bitter gourd seedlings, 7 to 12 parts of grape seeds, 6 to 9 parts of folium artemisiae argyi, 5 to 7 parts of barks of Chinese redbud, 5 to 7 parts of mentha haplocalyx, 4 to 6 parts of fructus cnidii, 3 to 5 parts of curcuma longa, 2 to 4 parts of vermiculite, 3 to 4 parts of distillersdark dried grains, and 3 to 4 parts of dried yeast powder. The special efficient nutrient solution has the advantages that the seed setting rate and the yield of paeonia suffruticosa can be improved, and the incidence rate of pest and disease damage can be reduced.

The invention discloses a drainage basin ecological scheduling method based on a two-layer structure, and the method comprises the following steps: S1, building a target region water volume allocationgeneral control model, i.e., a first-layer structure, according to a water demand, a water conservancy project, climate data, unconventional water source utilization data, underground water development data and underlying surface data; S2, adjusting the discharge flow of the water conservancy project according to the ecological water and the reservoir capacity requirement of the water conservancyproject, and then a water conservancy project ecological scheduling model, namely a second-layer structure, is established; and S3, taking the water quantity allocation quantity and the water quantity balance of the first-layer structure as constraint conditions, taking the maximum water supply quantity in the second-layer structure as a target function of drainage basin ecological scheduling, and obtaining a drainage basin ecological scheduling scheme by adopting a particle swarm algorithm. The method is beneficial to control of water resources by the water conservancy project, the comprehensive utilization efficiency of the basin water resources is conveniently improved, and then the economic benefits and ecological benefits of the water conservancy project are improved.

The invention relates to odourless ecological organic fertilizer special for oil peonies and a preparation method of the odourless ecological organic fertilizer. The odourless ecological organic fertilizer comprises, by weight, 90-100 parts of fresh chicken manure, 24-30 parts of corn stalks, 21-25 parts of wheat straws, 21-25 parts of sweet potato leaves, 17-22 parts of enteromorpha, 10-16 parts of duckweed, 9-15 parts of peach leaves, 7-12 parts of dried small shrimps, 7-10 parts of apple peels, 6-10 parts of pomegranate peels, 5-7 parts of vermiculite, 3-5 parts of green tea, 2-3 parts of bark of Chinese redbud, 3-4 parts of dried vinasse, 3-4 parts of dried yeast powder, 3-4 parts of radix curcumae longae and 3-5 parts of Chinese honey locust. odourless ecological organic fertilizer has the advantages of high utilization of the chicken manure, no foreign smell and good fertilizer efficiency.

The invention discloses a prefabricated water-permeable strip block for paving a pavement. The prefabricated water-permeable strip block is of a long-strip-shaped structure with the depth capable of reaching a pavement paving structure cushion layer, embedding and locking portions for being connected with pavement face bricks are arranged on the side faces of the prefabricated water-permeable strip block, and a plurality of water-permeable holes are formed in the prefabricated water-permeable strip block. The water-permeable performance the same as or better than that of traditional water-permeable paving can be achieved, and manufacturing cost is low.

The invention relates to an organic fertilizer special for Chinese wampee fruit trees and a preparation method thereof. The organic fertilizer special for Chinese wampee fruit trees disclosed by the invention comprises the following components in parts by part: 90-100 parts of fresh chicken manure, 32-37 parts of wheat straws, 30-37 parts of beanstalk, 21-27 parts of peat soil, 20-28 parts of saw dust, 15-22 parts of enteromorpha, 15-21 parts of lotus leaves, 14-21 parts of banana peels, 12-19 parts of folium eriobotryae, 11-17 parts of bitter apricot seeds, 7-13 parts of scales, 3-4 parts of dried yeast powder, 2-3 parts of shell powder, 7-10 parts of east wall soil, 7-9 parts of purslane, 6-9 parts of roxburgh rose roots, 5-7 parts of kadsura root-bark, 4-5 parts of cactus, 5-7 parts of fructus kochiae, 2-3 parts of hairyvein agrimony, 2-4 parts of agastache rugosus, 3-4 parts of turmeric, 2-4 parts of sticktight, 1-3 parts of emblic leafflower fruit and 1-2 parts of hibiscus rosa-sinensis. The organic fertilizer disclosed by the invention has the advantages of high utilization rate and low cost, and the setting ratio of the Chinese wampee fruit trees can be increased.

The invention provides a production method of garden planting soil, construction mud and riverway mud can be effectively recycled, the wastes are turned into treasure, not only are the ecological problems produced by accumulation of the construction mud and riverway mud solved, but also significant economic benefits can be produced. Oxalic acid, acetic acid, citric acid, nitric acid, sulfuric acidor hydrochloric acid is added to a high alkaline solidified mud cake for acid neutralization, and the mud cake is stabilized in a neutral state and adapts to the growth of garden plants; by additionof an organic matter, ferrous sulfate heptahydrate and the like in the neutral mud cake, the nutrition required for the garden plant growth is met, and high-quality garden planting soil is prepared; the quality of the planting soil is better than that of planting soil actually adopted by 95% or more of garden projects; the social need is large, the transportation distance is short, the cost is extremely low, enterprise and social benefits are high, and the problem of water and soil loss caused by excavation of mountain slopes and the problem of agricultural cultivated land destroyed by excavation of farmland topsoil can be avoided.

The invention discloses a greenhouse gas treatment device used for agricultural straw incineration. The greenhouse gas treatment device comprises an incinerator, an ash accumulating box, a filter water tank and a water storage tank; a supporting box is welded between the incinerator and the ash accumulating box, a drawing ash accumulating case capable of being drawn is arranged in the middle of the ash accumulating box, and a smoke discharging pipe is connected between the middle of the top end of the incinerator and the middle of the top end of the water storage tank; a filter device is welded between the water storage tank and the filter water tank, a detachable filter case is connected to the interior of the filter device in a clamped mode, and an activated carbon layer and a filter screen are arranged in the detachable filter box; and the bottom end of the right side of the filter water tank is connected to a water pump protective cover through fixed screws, and the water pump protective cover is fixedly connected to a water pump through bolts. According to the greenhouse gas treatment device, the incinerator is installed to burn the agricultural straws, when the incineration is carried out, a burning smoke collecting device and an ash burning filtering device are installed, so that the aim of preventing the environment from being polluted is achieved; and the device is novel in structure, simple to operate and practical in function.

The invention discloses a solar power type artificial ecological floating island water purification system. The solar power type artificial ecological floating island water purification system comprises an artificial ecological floating island, a flushing type filtering device connected with the artificial ecological floating island and a water power regulating and controlling device arranged on the flushing type filtering device. The solar power type artificial ecological floating island water purification system has the effects of improving landscape effect, protecting environment and savingenergy.

The invention discloses an underground cut-off wall with an adjustable combined well gate. The underground cut-off wall comprises a cut-off wall main body, and the combined well gate is arranged on the cut-off wall main body; the combined well gate comprises an outer shell, an air bag arranged in the outer shell, an inner support arranged in the air bag and an inflation and exhaust pipe communicating with the air bag, and an overflowing hole is formed in the outer shell; and the inflation and exhaust pipe is arranged in the outer shell, and the air bag is arranged on the outer side of the middle of the inflation and exhaust pipe and connected with the outside of the inflation and exhaust pipe in a sealed mode. The air bag controls opening and closing of a water passing hole, control is convenient and reliable, stability is high, the service life is long, all the water passing hole can be pulled out of the outer shell, and replacement, overhaul and operation management are convenient. All permeable stratums can pass through flow holes, the water passing efficiency is high, the drainage amount is large, construction can be conducted together with grooving of the concrete cut-off wall, construction is convenient, and the wall is worthy of being vigorously popularized.

The invention discloses antibacterial coating finishing liquid and an antibacterial finishing process of casement. The process comprises the following steps: preparing the antibacterial coating finishing liquid, wherein the antibacterial coating finishing liquid comprises the following components in parts by mass: 10-40 parts of bamboo vinegar liquid, 80-120 parts of coating agent and 3-4 parts of additive; blade-coating the antibacterial coating finishing liquid on fabric, and drying at 75-95 DEG C for 3-5 minutes for forming; and performing baking and crosslinking at 120-180 DEG C for 3-5 minutes. The antibacterial coating finishing liquid disclosed by the invention has a durable antibacterial coating effect, is harmless to human body and environment, and improves the durable antibacterial performance and washing resistance of casement. The bamboo vinegar liquid has good bacterial effect and is applied to textiles so as to obtain a natural, green and environment-friendly antibacterial finishing agent with broad market prospect for sure. The bamboo vinegar liquid has a wide source and low cost, and the economical values brought by the bamboo vinegar liquid are remarkable.

The invention discloses a feed additive capable of preventing and treating a chronic aleutian disease of minks and a preparation method of the feed additive. The feed additive is prepared from the following components of enteromorpha, seeds of coral peatree, black sesame seeds, kelp, clamworm powder, fish scales, olive oil, herb of sibirica walking fern, radix rubiae, roots of snow of June, kochia scoparia seedlings, largehead atractylodes rhizomes, corn stigma, fennel fruits, radix linderae, bauhinia variegate roots, bark, leaves and flowers, pummelo seeds, russula virescens, roots or stem of smoothfruit ventilago, roots of silverweed cinquefoil, radix curcumae, ginseng, radix polygoni multiflori and licorice roots. The feed additive disclosed by the invention does not contain antibiotics, is non-toxic and harmless to the minks, and is convenient to use; medicines can exert effects quickly, the feed additive has a good treatment effect on the minks suffering from the chronic aleutian disease, the immunity of the minks is strengthened, and increase of economic benefits of breeding households is facilitated.

The invention relates to a pulping method by cooking distiller's grains ethanol with an organic solvent, and belongs to the technical field of pulping. In the present invention, distiller's leftover distiller's grains are used as raw materials for pulping; the raw materials for pulping are firstly added into water to wash impurities such as protein and starch in distiller's grains, and then filtered and separated to obtain washed distiller's grains; The pulp is cooked with an organic solvent, and the pulp and waste liquid are separated after the cooking is completed; the separated pulp is washed with water and then placed in a screener to screen to obtain distiller's grains clean pulp. The pulp prepared by the method has the characteristics of low cost, recyclable solvent, high yield of fine pulp, high viscosity, good strength and the like.

The invention involves the field of weeds control, disclosing a prevention and cure method of water hyacinth. The invention makes use of its segmental appendage natural enemy Tetranychus hydrangeae Pritchard & Baker which is in its invasion place to control water hyacinth. Through breeding large amount of Tetranychus hydrangeae in the laboratory artificially, and then in June inoculating them into water hyacinth, so that to achieve the effect of controlling water hyacinth.

The present invention disclosed the preparation method and system of high -purity lithium carbonate.The preparation method of high -purity lithium carbonate, including the following steps: condense carbonate salt lake brine, then heat up the crystallization of the carbonate, collect crystallization to get lithium carbonate salt;Lithium carbonate refined salt, dissolved in the sodium and potassium salt;The invention process does not need to use chemical reagents. It can complete the purity of lithium carbonate through physical operations. The purity of lithium carbonate is as high as 95%or more, which will help reduce the cost of later transportation to further purify the cost.The invention technology has extremely low requirements for transportation and does not pollute the environment.

The invention belongs to the technical field of ardealite resource utilization, and provides a method for preparing mineral wool by ardealite high-temperature melting, which comprises the following steps: firstly mixing ardealite with silicon dioxide, aluminum oxide, magnesium oxide and ferric oxide, then carrying out high-temperature melting at 1400-1700 DEG C, and finally carrying out injection or centrifugation to obtain the mineral wool. The ardealite, the silicon dioxide, the aluminum oxide, the magnesium oxide and the ferric oxide are used as raw materials and are directly melted at the high temperature of 1400-1700 DEG C, self-decomposition of the ardealite and melting and mixing of the ardealite decomposition product and other components are realized by a one-step method, a reduction process is omitted, a CaS crystal phase is not generated, and meanwhile, the escape rate of sulfur is increased; and finally, blowing or centrifuging to obtain the mineral wool. The result of the embodiment shows that the average diameter of the mineral wool prepared by the preparation method provided by the invention is 4.2 microns, and the sulfur escape rate is 98.95%.

The invention discloses a sand solidification agent prepared from xanthan gum in fracturing flow-back fluid of oil and gas field as well as a preparation method and application of sand solidification agent. The preparation method comprises the following steps: 1) adding a demulsification flocculant into the oil and gas field fracturing flow-back fluid, mixing and stirring for 15-25 minutes, standing for 2-3 hours, filtering, then adding a peroxidant and a catalyst, and stirring and reacting for 3-4 hours to obtain a pretreated oil and gas field fracturing flow-back fluid; and 2) adding a proper amount of modifier into the oil and gas field fracturing flow-back fluid pretreated in the step 1) to obtain the sand solidification agent prepared from the oil and gas field fracturing flow-back fluid. According to the method, after the oil and gas field fracturing flow-back fluid is pretreated, humic acid and xanthan gum are added, the oil and gas field fracturing flow-back fluid is prepared into the sand solidification agent, and by means of the method, the problem that the oil and gas field fracturing flow-back fluid is difficult to treat can be solved, the environment can be protected, water resources can be saved, and the problems of land desertification, soil improvement and the like can be solved.

The invention relates to a microporous aeration-biology-ecological floating bed integrated device and a method for treating a black and odorous water body by applying the device and belongs to the technical field of sewage treatment of industrial wastewater. The integrated device comprises an aerator, a floating bed body, an ecological float bowl, elastic filler groups, micro-porous aeration tubes, a protecting net, immobilized microbe pellet groups and aquatic plants, wherein the elastic filler groups and the immobilized microbe pellet groups are alternatively distributed; one row of micro-porous aeration tubes are arranged at each of the bottom and the middle part of the protecting net; micro-porous aeration discs are arranged on the micro-porous aeration tubes. The device is used for treating the black and odorous water body, so that the treatment efficiency of the water body can be improved for a long term, the content of dissolved oxygen and aerobic microbial biomass in the water body are enabled to be within a normal range, and further the problem of pollution of the black and odorous water body is thoroughly solved.

The invention relates to a method for processing the percolation liquid of domestic garbage, which belongs to the technical field of the resource processing of wastes. The process comprises the following steps: injecting percolation liquid into a regulation tank by a lifting pump and regulating the pH; afterwards, injecting the percolation liquid into a pre-acidification tank to carry out pre-acidification processing; then, injecting the percolation liquid after the pre-acidification processing into a methane lifting type reactor by a water circulating pump to carry out anaerobic fermentation; delivering waste water after the anaerobic fermentation to an aerobic tank reactor to carry out oxidation processing; injecting the percolation liquid after the oxidation processing into a three-section oxygenous and aerobic reactor to carry out oxygenous and aerobic multi-stage circulation processing; and finally, injecting the liquid into a settling tank, discharging the generated sludge and outputting water. The process features low running cost, no secondary pollution, automatic control and high processing efficiency.