CN205528280U - Freshwater aquaculture advanced waste treatment recycling system - Google Patents
Freshwater aquaculture advanced waste treatment recycling system Download PDFInfo
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- CN205528280U CN205528280U CN201620151446.9U CN201620151446U CN205528280U CN 205528280 U CN205528280 U CN 205528280U CN 201620151446 U CN201620151446 U CN 201620151446U CN 205528280 U CN205528280 U CN 205528280U
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- 239000013505 freshwater Substances 0.000 title claims abstract description 28
- 244000144974 aquaculture Species 0.000 title abstract description 6
- 239000002699 waste material Substances 0.000 title abstract 3
- 238000004064 recycling Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000005243 fluidization Methods 0.000 claims abstract description 41
- 239000002351 wastewater Substances 0.000 claims abstract description 39
- 239000002689 soil Substances 0.000 claims abstract description 7
- 235000013311 vegetables Nutrition 0.000 claims abstract description 6
- 238000000746 purification Methods 0.000 claims description 25
- 238000012856 packing Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 238000011084 recovery Methods 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 11
- 241000196324 Embryophyta Species 0.000 claims description 10
- 241000684239 Canna x generalis Species 0.000 claims description 4
- 241000628997 Flos Species 0.000 claims description 4
- 241000209490 Nymphaea Species 0.000 claims description 4
- 240000006620 Calla palustris Species 0.000 claims description 3
- 235000004012 Calla palustris Nutrition 0.000 claims description 3
- 244000268590 Euryale ferox Species 0.000 claims description 3
- 235000006487 Euryale ferox Nutrition 0.000 claims description 3
- 240000008436 Ipomoea aquatica Species 0.000 claims description 3
- 235000017879 Nasturtium officinale Nutrition 0.000 claims description 3
- 240000005407 Nasturtium officinale Species 0.000 claims description 3
- 241000212324 Oenanthe <angiosperm> Species 0.000 claims description 3
- 244000273256 Phragmites communis Species 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 235000001601 Sabal palmetto Nutrition 0.000 claims description 3
- 240000000260 Typha latifolia Species 0.000 claims description 3
- 235000005324 Typha latifolia Nutrition 0.000 claims description 3
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- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 10
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000009395 breeding Methods 0.000 description 9
- 230000001488 breeding effect Effects 0.000 description 9
- 239000003344 environmental pollutant Substances 0.000 description 7
- 231100000719 pollutant Toxicity 0.000 description 7
- 241000371997 Eriocheir sinensis Species 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
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- 238000012546 transfer Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
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- 239000004912 1,5-cyclooctadiene Substances 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
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- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000029087 digestion Effects 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- 239000011152 fibreglass Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003102 growth factor Substances 0.000 description 1
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- 230000036642 wellbeing Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model provides a freshwater aquaculture advanced waste treatment recycling system, belongs to the environment -friendly device field, and including culture pond, the culture pond delivery port discharges freshwater aquaculture waste water, heavy husky catch basin, the husky catch basin water inlet that sinks passes through the pipeline to be connected with the culture pond delivery port, and the biofortification fluidization cell -in mouth of a river is connected to the husky catch basin delivery port that sinks, biofortification fluidization pond, pipe connection second -stage purifying pond water inlet is passed through at the biofortification fluidization cell -out mouth of a river, biofortification fluidization pond embeds biofilm carrier, second -stage purifying pond plants the aquatic plant or the landscape plant of soil pick -up ability reinforce or plants economical aquatic vegetable, the second -stage purifying pond delivery port passes through the pipeline and is connected with the culture pond water inlet. This equipment is applicable to the advanced waste treatment of various scale freshwater aquaculture modes, the simple high efficiency of treatment process, and shock resistance is strong, and purifying effect is good, and the equipment investment is little, automatic operation, the working costs is low.
Description
Technical field
This utility model belongs to environmental protection equipment field, is particularly related to a kind of freshwater aquiculture waste water advanced treatment recovery system.
Background technology
Since reform and opening-up, freshwater aquiculture industrial pattern there occurs great change, has been increasingly becoming one of main growth factor of China's Rural Areas at Present economy.In recent years, industrialized aquiculture industry develops rapidly, and relative to traditional cultural method, the soil that high density intensive culture needs is relatively fewer, and the cycle is short, has bigger economic advantages.But greatly developing of culture fishery arranges problem outside brought waste water, environment is produced and pollutes day by day seriously, not only jeopardize ecological safety, also restrict economic development, it has also become the social problem of people's common concern.
Freshwater aquiculture presents the trend of scale; cultivation density is high; daily ration, feeding quantity is big; feed a part is difficult to be ingested because sinking under water, and the nitrogen phosphorus in feedstuff assimilates only less than 20%, and other remaining feedstuffs and cultivation Excreta produce heavy damage to water body; affect cultured product quality; even become the hotbed that pathogenic bacteria grows, cause extensive disease etc., cause unnecessary economic loss.To this end, culture pond need to be refreshed the water periodically, waste water contains substantial amounts of nitrogen, phosphorus and Organic substance, as without processing outer row, surrounding body will be polluted, cause waters, local serious eutrophication, make water body smelly, more seriously then can cause the degeneration of shallow lake, make water resource reduce.
The tupe of breeding wastewater develops at present, process from traditional absorption digestion capability relying on natural water, soil, farmland etc., gradually developing into materialization agent-feeding treatment, biochemistry-filtration combination processes isotype, and additionally the mode of Ecological Disposal is also constantly exploring development.The Chinese utility model patent application being disclosed as 101041499 discloses a kind of batch-type reduction high-concentration waste water nitrogen, phosphorus, the method for COD pollutional load, it is main water treatment agent with calcium oxide, with sulphuric acid as absorbing liquid, under the conditions of certain gas-liquid refers to air and waste water ratio, breeding wastewater is carried out the precipitation process certain times such as nitrogen stripping, phosphorus and COD, cut down the pollutant burdens such as the nitrogen in waste water, phosphorus, COD, processing complex operation, efficiency is low, and operating cost is high.The Chinese utility model patent application of Publication No. 202849213U discloses a kind of efficient processing system of breeding wastewater, its utility model is a kind of methane-generating pit, the culturing wastewater processing system of aerobic-double oxygen of one-level-Aerobic Pond composition, this system needs the longer time of staying, treatment effeciency is low, when processing the water yield and being bigger, its suitability cannot be embodied, and investment is higher, control to run complexity.The Chinese utility model patent application of Publication No. 102531178A discloses a kind of solar-energy ecological compound purification pond and processes the combination unit of breeding wastewater, this utility model is mainly by the sun active wetting system physical damage algae living environment, mode in conjunction with biological floating bed thing of transferring the pollution, though it is ingenious in design, but its investment is higher, partial result is only served for large-area pollution, acts on little.
Therefore finding a kind of simple, economic and efficient freshwater aquiculture waste water advanced treatment recovery system, the sustainable development for freshwater aquaculture industry is particularly important.
Utility model content
The purpose of this utility model is to overcome defect mentioned above and deficiency, and provides a kind of freshwater aquiculture waste water advanced treatment recovery system.
The technical scheme that this utility model realizes the employing of its purpose is as follows.
A kind of freshwater aquiculture waste water advanced treatment recovery system, including:
Culture pond, is provided with water inlet and outlet；
Desilting collecting-tank, is provided with water inlet and outlet；Desilting collecting-tank water inlet is connected with culture pond outlet by pipeline, and desilting collecting-tank outlet connects biological reinforced fluidisation pond water inlet；
Biological reinforced fluidisation pond, it is provided with water inlet and outlet；Biological reinforced fluidisation pond outlet connects secondary purification pond water inlet by pipeline；Biological reinforced fluidisation pond built-in biological filler；
Secondary purification pond, it is provided with water inlet and outlet；Secondary purification pond outlet is connected with culture pond water inlet by pipeline.
The strong water plant of soil pick-up ability or landscape plant or economical aquatic vegetable is set in described secondary purification pond.
The biologic packing material of described biological reinforced fluidisation pond built-in 10%-50% volume, biologic packing material be the annular packing of attached growth of microorganisms, combined stuffing, elastic filler, soft-filler, semi soft packing, porous ball-shaped filling material one or more.
Described biological reinforced fluidisation pond water inlet is arranged on bottom pond.
Described desilting collecting-tank and biological reinforced fluidisation pond are integrated equipment.
Be provided with in described secondary purification pond: in Canna generalis Bailey, again power flower, aquatic Rhizoma Iridis Tectori, watermifoil, Rhizoma Acori Graminei, phragmites communis, Herba Typhae, Herba Spirodelae, Flos nymphaeae (Nymphaea teragona Georgi) or Rhizoma Nelumbinis, Caulis Zizaniae caduciflorae, Rhizoma sagittariae sagittifoliae, Herba Oenanthes Javanicae, Pedicellus et Pericarpium Trapae, Corm Eleocharitis, Semen Euryales, Typha latifolia L., Folium Braseniae Schreberi, Nasturtium officinale, water arum, swamp cabbage, capital water dish one or more.
This utility model has the advantages that
1. system volume load is high, strong shock resistance；Equipment investment expense is low, automatically runs, and operating cost is low；Treatment in accordance with local conditions, different size of equipment is sliceable, it is adaptable to the process of the freshwater aquiculture waste water of various different scales；
2. microbial activity is relatively strong, good purification, processes water outlet and can reach " water environment quality standard " III ~ IV class water quality standard, it is achieved reuse, zero emission；
3. economic aquatic vegetable is planted on the secondary purification pool, thing of transferring the pollution, carry out advanced treating, certain economic well-being of workers and staff can be obtained simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of native system；
In figure: 1-culture pond, 2-desilting collecting-tank, 3-biological reinforced fluidisation pond, 4-secondary purification pond.
Detailed description of the invention
Below in conjunction with the accompanying drawings, being described in further detail this utility model, in figure, arrow represents water (flow) direction.
A kind of freshwater aquiculture waste water advanced treatment recovery system, including:
Culture pond 1, cultivates one or more in fish, shrimp, Eriocheir sinensis, and it is provided with water inlet and outlet.Culture pond 1 outlet discharge freshwater aquiculture waste water.Described freshwater aquiculture waste water is the freshwater aquaculture industries such as fish, shrimp, Eriocheir sinensis, testudinate waste water produced by one or more, the main water quality index of freshwater aquiculture waste water be COD be 50 ~ 150mg/L, total nitrogen is 15 ~ 100mg/L, and ammonia nitrogen is 5 ~ 50mg/L, total phosphorus is 1 ~ 10mg/L, dissolved oxygen 1 ~ 10mg/L.
Desilting collecting-tank 2, desilting, water transfer, water-retention；It is provided with water inlet and outlet.Desilting collecting-tank 2 water inlet is connected with culture pond 1 outlet by pipeline, and desilting collecting-tank 2 outlet connects biological reinforced fluidisation pond 3 water inlet；
Biological reinforced fluidisation pond 3, degradation of organic substances, denitrogenation dephosphorizing, it is provided with water inlet and outlet；Biological reinforced fluidisation pond 3 outlet connects secondary purification pond 4 water inlet by pipeline；It is provided with pump between described desilting collecting-tank 2 and biological reinforced fluidisation pond 3；The biologic packing material of biological reinforced fluidisation pond 3 built-in 10%-50% volume, biologic packing material is one or more in the annular packing of attached growth of microorganisms, combined stuffing, elastic filler, soft-filler, semi soft packing, porous ball-shaped filling material；Biological reinforced fluidisation pond 3 water inlet is arranged on bottom reaction tank, by the way of pulse water-feeding, makes waste water and biologic packing material in pond be fully contacted fluidisation, it is achieved the alternating state of the aerobic-anaerobic-anaerobism of biologic packing material local, promotes the removal of pollutant；
As preferably, described desilting collecting-tank 2 and biological reinforced fluidisation pond 3 are integrated equipment, convenient transport and installation, and its material is fiberglass or carbon steel, and desilting collecting-tank 2 act as precipitation, water-retention and water transfer；Biological reinforced fluidisation pond 3 act as main body biochemical reactor, carries biologic packing material.
Secondary purification pond 4, plants soil pick-up ability strong water plant or landscape plant or plants economical aquatic vegetable, and it is provided with water inlet and outlet；Secondary purification pond 4 outlet is connected with culture pond 1 water inlet by pipeline, it is achieved backwater.Canna generalis Bailey, again power flower, aquatic Rhizoma Iridis Tectori, watermifoil, Rhizoma Acori Graminei, phragmites communis, Herba Typhae, Herba Spirodelae, Flos nymphaeae (Nymphaea teragona Georgi) or Rhizoma Nelumbinis, Caulis Zizaniae caduciflorae, Rhizoma sagittariae sagittifoliae, Herba Oenanthes Javanicae, Pedicellus et Pericarpium Trapae, Corm Eleocharitis, Semen Euryales, Typha latifolia L., Folium Braseniae Schreberi, Nasturtium officinale, water arum, swamp cabbage, capital water dish etc. are planted in 4 kinds of described secondary purification pond, auxiliary puts a small amount of aquatic animal fish, shrimp, spiral shell etc. in a suitable place to breed simultaneously, realizing advanced treating, water outlet reaches reuse standard.
The use step of this equipment is as follows:
Step one, the freshwater aquiculture waste water in culture pond 1 enters desilting collecting-tank 2 water inlet, and water-retention precipitation in desilting collecting-tank 2 from culture pond 1 outlet through piping, removes most suspended substances, obtain supernatant；The displacement of described freshwater aquiculture waste water is according to presenting peak and low ebb season, and typically when sterilizing in summer or a pool, displacement is bigger.
Step 2, the supernatant of desilting collecting-tank 2 pumps into pulse base water intake mode from desilting collecting-tank 2 outlet and obtains fluidizing water after carrying out organic degraded and denitrogenation dephosphorizing biological reinforced fluidisation pond 3, and fluidisation water reaches " urban wastewater treatment firm pollutant emission standard " one-level A standard；The biologic packing material of biological reinforced fluidisation pond 3 built-in 10%-50% volume, water inlet is arranged on bottom biological reinforced fluidisation pond 3, by the way of pulse water-feeding, waste water and filler in pond is made to be fully contacted fluidisation, realize the aerobic-anaerobic-anaerobism alternating state of filler local, promote nitrification/Denitrification, it is achieved the removal of pollutant；Water quality characteristic according to freshwater aquiculture waste water, it is not necessary to aeration aerating, reduces energy consumption simultaneously；
Step 3, the fluidisation water in biological reinforced fluidisation pond 3 enters secondary purification pond 4 from biological reinforced fluidisation pond 3 outlet, by planting soil pick-up ability strong water plant or landscape plant or planting economical aquatic vegetable, being purified water after advanced treating, the water quality purifying water reaches " water environment quality standard " III ~ IV class water quality standard；
Step 4, the purification water in secondary purification pond 4 pumps into culture pond 1 reuse from secondary purification pond 4 outlet.
Example: the lake Eriocheir sinensis cultivating wastewater purification engineering in certain Eriocheir sinensis specialty cultivation garden, Taihu Lake, nutrient elements in Huzhou area of Zhejiang Province, this process engineering day output is up to 400m3, the water quality condition of lake Eriocheir sinensis breeding wastewater is: CODcr70 ~ 115mg/L, total nitrogen 20 ~ 25mg/L, ammonia nitrogen 10 ~ 15mg/L, total phosphorus 1 ~ 3mg/L.This engineering equipment desilting collecting-tank 2 and biological reinforced fluidisation pond 3 are FRP equipment integrating, take buried process, and periphery is afforested.Lake Eriocheir sinensis breeding wastewater initially enters desilting collecting-tank 2, sand setting and water transfer water-retention, and dischargeable capacity is about 10m3.Biological reinforced fluidisation pond 3 reaction tank specification is Φ 2.8m × 8.6m, water inlet pipe put by pond base fabric, by the way of pulse base is intake, the filler fluidisation making inside gets up to be fully contacted with breeding wastewater, on filling-material structure, ecto-entad forms the environment of aerobic/hypoxic/anaerobic, completing nitrification and denitrification process, it is achieved the removal of pollutant, water outlet reaches " urban wastewater treatment firm pollutant emission standard " one-level A standard.In the secondary purification pond 4 of water outlet access arrangement side, area 1000m2Plantation Canna generalis Bailey, again power flower, aquatic Rhizoma Iridis Tectori, watermifoil, Herba Spirodelae, Flos nymphaeae (Nymphaea teragona Georgi), Pedicellus et Pericarpium Trapae etc. in purifying pond, later stage auxiliary puts a small amount of Hypophthalmichthys molitrix, Aristichthys nobilis, astacus, spiral shell etc. in a suitable place to breed simultaneously, improve whole cleaning system, realize further advanced treating, water quality reaches " water environment quality standard " III ~ IV class water quality standard through long term monitoring, is back to culture pond.
The breeding wastewater of culture pond 1 from flowing into desilting collecting-tank 2, by pump squeezes into biological reinforced fluidisation pond 3 after desilting according to elevation, and last overflow enters secondary purification pond 4.Whole system, according to the draining of culture pond, takes Liquid level height to open low stopping, and for automatic control system, is not required to manual operation switch.General desilting collecting-tank 2 arranges the time of staying 1 ~ 3h according to the amount of float,, biological reinforced fluidisation pond 3 according to the concentration of pollutant, the time of staying 2 ~ 8h is set, general optimum temperature is 20 ~ 37 DEG C, and the lowest then microbes of temperature reduces activity or dormancy, affects treatment effect.The basis for estimation sectional sampling detection of water quality and the regulation time of staying are as the criterion.
This equipment is applicable to the Sewage advanced treatment of various scale freshwater aquiculture pattern; process technique the most efficient; strong shock resistance; good purification; equipment investment is little, automatically runs, and operating cost is low; breeding wastewater can be back to culture pond after treatment, brings the advantages such as significant environmental benefit and economic benefit.
This utility model is illustrated according to embodiment, and on the premise of without departing from present principles, this device can also make some deformation and improvement.It should be pointed out that, the technical scheme that the modes such as all employing equivalents or equivalent transformation are obtained, all fall within protection domain of the present utility model.
Claims (6)
1. a freshwater aquiculture waste water advanced treatment recovery system, including:
Culture pond (1), is provided with water inlet and outlet；
Desilting collecting-tank (2), is provided with water inlet and outlet；Desilting collecting-tank (2) water inlet is connected with culture pond (1) outlet by pipeline, and desilting collecting-tank (2) outlet connects biological reinforced fluidisation pond (3) water inlet；
Biological reinforced fluidisation pond (3), it is provided with water inlet and outlet；Biological reinforced fluidisation pond (3) outlet connects secondary purification pond (4) water inlet by pipeline；Biological reinforced fluidisation pond (3) built-in biological filler；
Secondary purification pond (4), it is provided with water inlet and outlet；Secondary purification pond (4) outlet is connected with culture pond (1) water inlet by pipeline.
2. a kind of freshwater aquiculture waste water advanced treatment recovery system as claimed in claim 1, it is characterised in that set the strong water plant of soil pick-up ability or landscape plant or economical aquatic vegetable in described secondary purification pond (4).
3. a kind of freshwater aquiculture waste water advanced treatment recovery system as claimed in claim 1, it is characterized in that, the biologic packing material of described biological reinforced fluidisation pond (3) built-in 10%-50% volume, biologic packing material be the annular packing of attached growth of microorganisms, combined stuffing, elastic filler, soft-filler, semi soft packing, porous ball-shaped filling material one or more.
4. a kind of freshwater aquiculture waste water advanced treatment recovery system as claimed in claim 3, it is characterised in that described biological reinforced fluidisation pond (3) water inlet is arranged on bottom pond.
5. a kind of freshwater aquiculture waste water advanced treatment recovery system as claimed in claim 1, it is characterised in that described desilting collecting-tank (2) and biological reinforced fluidisation pond (3) are integrated equipment.
6. a kind of freshwater aquiculture waste water advanced treatment recovery system as claimed in claim 1, it is characterized in that, be provided with in the described secondary purification pool: in Canna generalis Bailey, again power flower, aquatic Rhizoma Iridis Tectori, watermifoil, Rhizoma Acori Graminei, phragmites communis, Herba Typhae, Herba Spirodelae, Flos nymphaeae (Nymphaea teragona Georgi) or Rhizoma Nelumbinis, Caulis Zizaniae caduciflorae, Rhizoma sagittariae sagittifoliae, Herba Oenanthes Javanicae, Pedicellus et Pericarpium Trapae, Corm Eleocharitis, Semen Euryales, Typha latifolia L., Folium Braseniae Schreberi, Nasturtium officinale, water arum, swamp cabbage, capital water dish one or more.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585223A (en) * | 2016-02-29 | 2016-05-18 | 湖州至美生物科技有限公司 | Freshwater aquaculture wastewater advanced treatment recycling system and method thereof |
| CN111170447A (en) * | 2020-01-15 | 2020-05-19 | 浙江永续环境工程有限公司 | Fluidized bed biofilm reactor based on composite desulfurization bacteria |
-
2016
- 2016-02-29 CN CN201620151446.9U patent/CN205528280U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585223A (en) * | 2016-02-29 | 2016-05-18 | 湖州至美生物科技有限公司 | Freshwater aquaculture wastewater advanced treatment recycling system and method thereof |
| CN105585223B (en) * | 2016-02-29 | 2018-06-22 | 湖州至美生物科技有限公司 | A kind of freshwater aquiculture waste water advanced treatment recovery system and method |
| CN111170447A (en) * | 2020-01-15 | 2020-05-19 | 浙江永续环境工程有限公司 | Fluidized bed biofilm reactor based on composite desulfurization bacteria |
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