CN105621618A - Livestock/poultry aquiculture wastewater ecological treatment system - Google Patents
Livestock/poultry aquiculture wastewater ecological treatment system Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention belongs to the field of sewage purification, and particularly relates to a livestock/poultry aquiculture wastewater ecological treatment system. The livestock/poultry aquiculture wastewater ecological treatment system comprises a water inlet, a water outlet and a tank body, wherein the tank body comprises a precipitation tank connected with the water inlet, a straw matrix tank and an aquatic plant wetland tank connected with the water outlet; all the tanks are connected through pipelines to form a wastewater treatment system; the straw matrix tank is composed of eight stages of matrix tanks communicating with each other; the wastewater flows in the tank body in a curve mode; and water purification plants are planted in the aquatic plant wetland tank. The improver is composed of the following components in parts by weight: 500-1000 parts of cyclodextrin, 100-200 parts of ethylene glycol dimethacrylate and 10-50 parts of stearamidopropyldimethyl-beta-hydroxyethyldihydrophosphate. The livestock/poultry aquiculture wastewater ecological treatment system can reduce the wastewater treatment cost; the derivatives in the treatment tank have very high economic values, thereby promoting the sustainable harmonious development of culture industry and environment; and the system has very high social benefits.
Description
Technical field
The invention belongs to sewage purification field, particularly relate to a kind of beasts, birds and aquatic products breeding wastewater ecological treatment system.
Background technology
The water pollution problem that aquaculture (poultry, Aquatic product) causes, in today of ecological, environmental protective pay attention to day by day, increasingly receives publicity. Along with the expanding day of aquaculture scale, the water pollution problem of live pig and warmhouse booth cultivation is particularly evident. In recent years, along with the deep propelling that " three change tear open " and " five water are controlled altogether " work, aquaculture (poultry, Aquatic product) is although pollution control achieves certain effect, but the factor such as live pig breeding stock is big, greenhouse Trionyx sinensis Wiegmann area is wide, cause that problem of environmental pollution is quite prominent. Working out a kind of practical, can at utmost save again plant's treatment cost, the method walking out an ecologic breeding Sustainable Development Road is extremely urgent.
Chinese patent CN102491522 discloses techniques below content: a kind of method of Water ecoenvironment based on aquatic plant harvesting, the present invention relates to a kind of Water ecoenvironment method, it is characterized in that in water body, cultivating water plant or utilizing the water plant of clear-cutting forestland, utilize aquatic plants growth absorbed nitrogen phosphorus recycling, or use weed cutting equipment artificial in trophophase gathers in water plant, promote water plant regrowth, multi-harvest, and terminate in trophophase, after water plant bears seed or nutrition propagule, gather in for the last time, with the form of water plant residual branch, nitrogen and phosphorous nutrient is extracted from water, its objective is to make the full trophophase accumulation Biomass of water plant maximize, or effects of purification quality is best, remove water body and deposit Middle nutrition salt simultaneously, slow down body eutrophication process, prevent the rotten polluted-water again of water plant.
But above-mentioned Water ecoenvironment method needs repeatedly artificial or equipment harvesting water plant, wastes time and energy, although and disclose multiple alternative water plant, but be not in optimized selection, it is impossible to reach best effects of purification quality.
Chinese patent CN103359825 discloses techniques below content: the processing method of a kind of pig farm waste pollutant, the steps include: that A builds straw matrix pool: build straw matrix pool, by degradation of rice straw waste water COD, receive nitrogen phosphorus, straw matrix pool specification is determined according to the quantity of livestock on hand pig, the technical parameter of matrix pool and spatial arrangement, including: 1) rice straw tank depth is 70-90cm, area is 0.2-0.3m2/ head livestock on hand pig, straw matrix pool is divided into 4 grades on the basis of guarantee total measurement (volume) size, single pool area 50-100m2; ....
Certain COD and nitrogen phosphorus although above-mentioned straw matrix pool can be degraded, but due to straight line connection between its matrix pool, breeding wastewater flow direction is single, and its degrading effects is poor.
Meanwhile, above-mentioned cultivating wastewater purification mode is all excessively single, it is impossible to remove the pollutant in breeding wastewater rationally, efficiently.
Summary of the invention
The technical problem to be solved is to provide the pollutant in a kind of simple in construction, integrated treatment breeding wastewater and can react the ecological treatment ponds generating commercially valuable chemicals. For this, the present invention provides techniques below scheme:
Beasts, birds and aquatic products breeding wastewater ecological treatment system, including water inlet, outlet and cell body, sedimentation tank that described cell body includes being connected with water inlet, straw matrix pool and the water plant wetland pond being connected with outlet, connected by pipeline between each cell body and form a Waste Water Treatment; ; Described straw matrix pool is made up of the eight grade matrix ponds being connected, and waste water is curved flowing in cell body; Described water plant wetland pond plantation water purification plant. Wherein the parts by weight of component of modifying agent is as follows:
Cyclodextrin 500 ~ 1000 parts
Ethylene glycol dimethacrylate 100 ~ 200 parts
Stearamidopropyl dimethyl-beta-hydroxyethyl dihydrogen orthophosphate 10 ~ 50 parts.
Inventor accidentally draws under study for action, adds suitable modifying agent and can reduce COD and the nitrogen and phosphorus indexes of final waste water, it may be possible to the carbon source of cyclodextrin is conducive to combined utilization together with the nitrogen phosphorus in waste water in water plant wetland pond.
Stearamidopropyl dimethyl-beta-hydroxyethyl dihydrogen orthophosphate uses generally as antistatic additive, but inventor chances on, water purification plant under a small amount of stearamidopropyl dimethyl-beta-hydroxyethyl dihydrogen phosphoric acid salt pair specific environment has stimulation, can increase the nutrient discovery amount in its unit interval.
And Ethylene glycol dimethacrylate is generally mainly used as plastics, rubber industry, as ethylene-acrylic acid copolymer, ABS, acrylic acid sheet material, tubing, fibre-glass reinforced polyester, PVC, ion exchange resin, smokeless powder wrapped is polymerized, the cross-linking agent of glazing etc., has it to participate in the polymer of copolymerization, and hardness increases, heat-resisting, weather-proof, solvent resistant and frictional property improve, and are additionally also used in the cross-linking agent of artificial marble, dental materials, emulsion copolymers, papermaking, rubber peroxide hardening modifying agent, binding agent, ink, optic polymer. But in the present case, Ethylene glycol dimethacrylate is likely to form the complex of certain complexity with stearamidopropyl dimethyl-beta-hydroxyethyl dihydrogen orthophosphate and cyclodextrin, is conducive to the component laminatings such as cyclodextrin and water plant surface.
Adopting on the basis of technique scheme, the present invention also can adopt technical scheme further below:
Added with rice straw in described straw matrix pool. Utilize the porous of rice straw, significantly increase the specific surface area in breeding wastewater water body, allow rice straw as medium attached microbial, and provide nutrient for microorganism, promote its growth and breeding, degraded organic substance under the effect of facultative microbe again, promotes that nutritive salt converts, carries out cultivating wastewater purification.
Described water plant wetland pond is made up of three grades of wetland ponds, and one-level wetland pond is provided with disc type oxygen increasing equipment, two grades of wetland pond Lotus plantings, three grades of wetland pond plantation watermifoils.
One-level wetland pond increases the oxygen content in water body by oxygen increasing equipment at the bottom of disc type, strengthens oxidation degradation respond, accelerate the degraded of organic pollution; In two grades of wetland ponds, the Rhizoma Nelumbinis of plantation can gather in edible after maturation, has certain economic worth; In three grades of wetland ponds, the watermifoil not only root, stem and leaf of plantation all can absorb phosphorus and nitrogen, and the toleration of temperature is better, together can gather in when Rhizoma Nelumbinis gathers in, it is not necessary to several times a year gather in.
Three grades of sedimentation tanks that described sedimentation tank is divided into area ratio to be 2:1:1, cell body is reinforced concrete structure. The 2:1:1 ratio of three grades of sedimentation tank areas so that breeding wastewater is longer in the first stage precipitation tank time of staying that area is bigger, carries out more preliminary precipitation, then waste water enters back into two grades and three grades of sedimentation tanks carry out secondary, three precipitations.
The position of water inlet between described three grades of sedimentation tanks, outlet pass and outlet is crisscross arranged, and waste water is curved flowing in cell body. Which increase waste water flowing time in cell body, improve the sedimentation effect of sedimentation tank.
Described eight grades of straw matrix pool are cuboid pond, and one to level Four matrix pool, one matrix pattern structure of composition, five to eight grade matrix ponds form another matrix pattern structure. This structure arranges and makes waste water curved flowing in cell body, to ensure sufficient action by contact between breeding wastewater and rice straw, greatly increases the degradation effect of microorganism.
Described eight grades of straw matrix pool are soil pool construction.
The area ratio in described three grades of wetland ponds is 4:5:7, and cell body is soil pool construction.
The length of described sedimentation tank cell body is than for 15:8:5 or 7:4:3.
The length of described one to level Four matrix pool is than for 36:21:4, and the length in five to eight grade matrix ponds is than for 34:24.7:4.
The addition of described rice straw is 25kg/m2.
Described cyclodextrin is the mixture of three kinds of isomers, wherein alpha-cyclodextrin: beta-schardinger dextrin-: gamma-cyclodextrin is 1:3:1. Inventor have found that the isomer cyclodextrin under appropriate proportioning more can be utilized by water plant.
Owing to adopting technical scheme, the invention have the benefit that
(1) sedimentation tank part of the present invention, removes the suspended organic matter in breeding wastewater and oils and fats etc., reduces COD, ammonia nitrogen and total phosphorus concentration. The organic waste being precipitated out can be fabricated to efficient organic fertilizer together with pig manure, fully realizes recycling of resource, has higher economic worth.
(2) straw matrix pool part of the present invention, utilize rice straw to carry out cultivating wastewater purification not only solve crop straw burning can air-polluting problem, and achieve recycling of stalk resource.
(3) water plant wetland pond of the present invention part, absorbs the nutrient substance such as nitrogen phosphorus unnecessary in breeding wastewater by planting water purification plant. Further, in three grades of wetland ponds, the watermifoil of plantation can be used as Ctenopharyngodon idellus, live pig greenfeed after harvesting, has higher economic worth, it is achieved that recycling of resource.
(4) the beasts, birds and aquatic products breeding wastewater ecological treatment system of the present invention can reduce wastewater treatment expense, improve the market competitiveness of scale raising, the derivant processed in pond has significantly high economic worth, promote the sustainable and harmonious development of aquaculture industry and environment, there is significantly high social benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of beasts, birds and aquatic products breeding wastewater ecological treatment system provided by the invention.
Fig. 2 is the permanganate concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment four provided by the invention.
Fig. 3 is the ammonia nitrogen concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment four provided by the invention.
Fig. 4 is the total phosphorus concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment four provided by the invention.
Fig. 5 is the permanganate concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment five provided by the invention.
Fig. 6 is the ammonia nitrogen concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment five provided by the invention.
Fig. 7 is the total phosphorus concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment five provided by the invention.
Wherein, first stage precipitation tank 1, second-level settling pond 2, three grades of sedimentation tanks 3, one-level matrix pool 4, secondary matrix pond 5, three grade matrix ponds 6, level Four matrix pool 7, Pyatyi matrix pool 8, six grade matrix ponds 9, seven grade matrix ponds 10, eight grade matrix ponds 11, one-level wetland pond 12, two grades of wetland ponds 13, three grades of wetland ponds 14, outlet 15.
Detailed description of the invention
As it is shown in figure 1, beasts, birds and aquatic products breeding wastewater ecological treatment system, including water inlet, outlet and cell body. Sedimentation tank that cell body includes being connected with water inlet, straw matrix pool, the water plant wetland pond that is connected with outlet, connected by pipeline between each cell body and form a system, breeding wastewater enters from water inlet, sequentially pass through sedimentation tank, straw matrix pool, water plant wetland pond, then discharge from outlet 15.
Wherein, sedimentation tank, cell body is reinforced concrete structure, the three grades of sedimentation tanks being divided into area ratio to be 2:1:1. Straw matrix pool, added with rice straw in cell body, increases the specific surface area in breeding wastewater water body, is used for adsorbing microorganism and providing nutrient for it. Cell body is soil pool construction, is made up of the eight grade matrix ponds being connected, and waste water is curved flowing in cell body.
Water plant wetland pond, cell body is soil pool construction, plants water purification plant. General, water plant wetland pond is made up of three grades of wetland ponds, and one-level wetland pond is provided with disc type oxygen increasing equipment increases the oxygen content in water body, strengthens oxidation degradation respond, accelerates the degraded of organic pollution; Two grades of wetland pond Lotus plantings, can be edible after Rhizoma Nelumbinis ripe and harvested; Three grades of wetland pond plantation watermifoils, for nutrient substance such as absorbed nitrogen phosphorus.
Embodiment one, beasts, birds and aquatic products breeding wastewater ecological treatment system, the cell body of sedimentation tank is divided into three grades of sedimentation tanks by two pieces of lattice gears, is followed successively by first stage precipitation tank 1, second-level settling pond 2 and three grades of sedimentation tanks 3, and the area ratio of three sedimentation tanks is 2:1:1. The position of water inlet between three grades of sedimentation tanks, outlet pass and outlet is crisscross arranged so that waste water is forming curves flowing in cell body.
Straw matrix pool is made up of the eight grade matrix ponds being connected, and eight grade matrix ponds are cuboid pond, one-level matrix pool 4, grade matrix pond 6, secondary matrix pond 5, three and level Four matrix pool 7, form another matrix pattern structure; Grade matrix pond, Pyatyi matrix pool 8, six grade matrix pond 9, seven 10 and eight grade matrix ponds 11, form another matrix pattern structure. Breeding wastewater passes sequentially through one-level matrix pool 4, grade matrix pond 6, secondary matrix pond 5, three, level Four matrix pool 7, grade matrix pond, Pyatyi matrix pool 8, six grade matrix pond 9, seven 10 and eight grade matrix ponds 11, curved flowing.
Water plant wetland pond cell body is made up of the three grades of wetland ponds being connected, the area ratio in three grades of wetland ponds is 4:5:7, the area in three grades of wetland ponds 3 is maximum to be because watermifoil and does not only have the ability that purifies water preferably, and its economic worth is also higher, it may be achieved recycling of resource.
Adding modifying agent in water plant wetland pond, wherein the parts by weight of component of modifying agent is as follows:
Cyclodextrin 500 parts
Ethylene glycol dimethacrylate 100 parts
Stearamidopropyl dimethyl-beta-hydroxyethyl dihydrogen orthophosphate 10.
Described cyclodextrin is the mixture of three kinds of isomers, wherein alpha-cyclodextrin: beta-schardinger dextrin-: gamma-cyclodextrin is 1:3:1
Embodiment two, in order to suitable in the cultivating wastewater purification region that booth area is 10,000 square meter, sedimentation tank length 7 meters, wide 4 meters, deep 3 meters, area 30m2, total measurement (volume) 84m3, for reinforced concrete structure, it is divided into three grades of sedimentation tanks that area ratio is 2:1:1. Now, the suspended solid Organic substance in the biogas slurry after fermentation is precipitated, reduces the best results of the COD in biogas slurry, ammonia nitrogen and total phosphorus concentration. The cell body degree of depth in water plant wetland pond is 1.5 meters, and the cost now processing breeding wastewater is best with the ratio of effect. Other are identical with embodiment one.
Adding modifying agent in water plant wetland pond, wherein the parts by weight of component of modifying agent is as follows:
Cyclodextrin 1000 parts
Ethylene glycol dimethacrylate 200 parts
Stearamidopropyl dimethyl-beta-hydroxyethyl dihydrogen orthophosphate 50 parts.
Described cyclodextrin is the mixture of three kinds of isomers, wherein alpha-cyclodextrin: beta-schardinger dextrin-: gamma-cyclodextrin is 1:3:1
Embodiment three, for the cultivating wastewater purification region suitable in livestock on hand pig about 5000, sedimentation tank length 15 meters, wide 8 meters, deep 5 meters, area 120m2, total measurement (volume) 600m3, for reinforced concrete structure, it is divided into three grades of sedimentation tanks that area ratio is 2:1:1. Now, the suspended solid Organic substance in the biogas slurry after fermentation is precipitated, reduces the best results of the COD in biogas slurry, ammonia nitrogen and total phosphorus concentration. Straw matrix pool gross area 1600m2, deep 2 meters of pond, the length of one to level Four matrix pool is 18 meters, wide 10.5 meters, and the length in five to eight grade matrix ponds is 12.35 meters, and wide is 17 meters. The degree of depth of the cell body in water plant wetland pond is 2 meters, and the cost now processing breeding wastewater is best with the ratio of effect. Other are identical with embodiment one.
Adding modifying agent in water plant wetland pond, wherein the parts by weight of component of modifying agent is as follows:
Cyclodextrin 600 parts
Ethylene glycol dimethacrylate 120 parts
Stearamidopropyl dimethyl-beta-hydroxyethyl dihydrogen orthophosphate 20 parts.
Described cyclodextrin is the mixture of three kinds of isomers, wherein alpha-cyclodextrin: beta-schardinger dextrin-: gamma-cyclodextrin is 1:3:1
Embodiment four, for floor space 68 mu, pig house 24 building, long-term livestock on hand 5000 cultivation base, culturing wastewater processing system floor space 3500m2, water quality situation is detected by the mode adopting monthly periodic sampling, the concentration change of permanganate is as shown in Figure 2, the concentration change of ammonia nitrogen as it is shown on figure 3, the concentration change of total phosphorus as shown in Figure 4, the final water quality processed reaches three class water quality standards. Other are identical with embodiment one.
Adding modifying agent in water plant wetland pond, wherein the parts by weight of component of modifying agent is as follows:
Cyclodextrin 800 parts
Ethylene glycol dimethacrylate 180 parts
Stearamidopropyl dimethyl-beta-hydroxyethyl dihydrogen orthophosphate 40 parts.
Described cyclodextrin is the mixture of three kinds of isomers, wherein alpha-cyclodextrin: beta-schardinger dextrin-: gamma-cyclodextrin is 1:3:1
Embodiment five, for floor space 60 mu, the cultivation base having warmhouse booth area 10000 square metres, culturing wastewater processing system floor space 1630m2, water quality situation is detected by the mode adopting monthly periodic sampling, the concentration change of permanganate is as shown in Figure 5, as shown in Figure 6, the concentration change of total phosphorus is as it is shown in fig. 7, the final water quality processed reaches three class water quality standards to the concentration change of ammonia nitrogen. Other are identical with embodiment one.
Adding modifying agent in water plant wetland pond, wherein the parts by weight of component of modifying agent is as follows:
Cyclodextrin 750 parts
Ethylene glycol dimethacrylate 150 parts
Stearamidopropyl dimethyl-beta-hydroxyethyl dihydrogen orthophosphate 35 parts.
Claims (10)
1. beasts, birds and aquatic products breeding wastewater ecological treatment system, including water inlet, outlet and cell body, it is characterized in that sedimentation tank that described cell body includes being connected with water inlet, straw matrix pool and the water plant wetland pond being connected with outlet, connected by pipeline between each cell body and form a Waste Water Treatment; Described straw matrix pool is made up of the eight grade matrix ponds being connected, and waste water is curved flowing in cell body; Described water plant wetland pond plantation water purification plant,
Adding modifying agent in water plant wetland pond, wherein the parts by weight of component of modifying agent is as follows:
Cyclodextrin 500 ~ 1000 parts
Ethylene glycol dimethacrylate 100 ~ 200 parts
Stearamidopropyl dimethyl-beta-hydroxyethyl dihydrogen orthophosphate 10 ~ 50.
2. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 1, it is characterised in that added with rice straw in described straw matrix pool.
3. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 1, it is characterized in that described water plant wetland pond is made up of three grades of wetland ponds, one-level wetland pond is provided with disc type oxygen increasing equipment, two grades of wetland pond Lotus plantings, three grades of wetland pond plantation watermifoils.
4. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 1, it is characterised in that three grades of sedimentation tanks that described sedimentation tank is divided into area ratio to be 2:1:1, cell body is reinforced concrete structure.
5. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 4, it is characterised in that the position of water inlet between described three grades of sedimentation tanks, outlet pass and outlet is crisscross arranged, and waste water is curved flowing in cell body.
6. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 1, it is characterized in that described eight grades of straw matrix pool are cuboid pond, one to level Four matrix pool, one matrix pattern structure of composition, five to eight grade matrix ponds form another matrix pattern structure.
7. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 6, it is characterised in that described eight grades of straw matrix pool are soil pool construction.
8. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 3, it is characterised in that the area ratio in described three grades of wetland ponds is 4:5:7, cell body is soil pool construction.
9. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 2, it is characterised in that the addition of described rice straw is 25kg/m2.
10. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 1, it is characterised in that described cyclodextrin is the mixture of three kinds of isomers, wherein alpha-cyclodextrin: beta-schardinger dextrin-: gamma-cyclodextrin is 1:3:1.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110683713A (en) * | 2019-10-16 | 2020-01-14 | 淮阴师范学院 | Ecological treatment system for rural decentralized kitchen sewage |
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| "《中药别名辞典》" * |
| 王宝贞: "《水污染控制工程》", 30 April 1990, 高等教育出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683713A (en) * | 2019-10-16 | 2020-01-14 | 淮阴师范学院 | Ecological treatment system for rural decentralized kitchen sewage |
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