CN107176747A - A kind of pharmacy sewage processing unit - Google Patents
A kind of pharmacy sewage processing unit Download PDFInfo
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- CN107176747A CN107176747A CN201610148980.9A CN201610148980A CN107176747A CN 107176747 A CN107176747 A CN 107176747A CN 201610148980 A CN201610148980 A CN 201610148980A CN 107176747 A CN107176747 A CN 107176747A
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- 239000010865 sewage Substances 0.000 title claims abstract description 51
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 239000010802 sludge Substances 0.000 claims description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000011150 reinforced concrete Substances 0.000 description 10
- 239000000945 filler Substances 0.000 description 7
- 238000004062 sedimentation Methods 0.000 description 5
- 239000005416 organic matter Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005276 aerator Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- 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
-
- 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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention discloses a kind of pharmacy sewage processing unit, belong to water purification technology field, be made up of sludge-tank, high concentration regulating reservoir, low concentration regulating reservoir, pre-acidified pond, USAB ponds, anoxic pond, contact Aerobic Pond, MBR (membrane biological reaction) pond, complex biological filter and clear water reserviors.The pharmacy sewage processing unit is ten grades of serial structures, the first order is 2 sludge-tanks side by side, the second level is high concentration regulating reservoir, and the third level is low concentration regulating reservoir, and the fourth stage is 2 pre-acidified ponds side by side, level V is 2 serial UASB ponds, 6th grade is anoxic pond, and the 7th grade is 3 serial contact Aerobic Ponds, and the 8th grade is 2 serial MBR ponds, 9th grade is 2 complex biological filters, and the tenth grade is clear water reserviors.Multi-stage sewage treatment facility serial combination is used, and improves pharmacy sewage purifying rate；Generated electricity, comprehensively utilized, energy-conserving and environment-protective using the biogas produced in sewage disposal process.
Description
Technical field
The invention belongs to water purification technology field, it is related to sewage-treatment plant, especially a kind of pharmacy sewage processing unit.
Background technology
Pharmaceutical industry produces a large amount of harmful waste waters in process of producing product, its complicated component, and COD is up to tens of thousands of or even hundreds of thousands mg/l, colourity be up to it is several be unable to reach the relevant discharge standard of country in again, being handled using traditional handicraft, severe contamination can be caused to surrounding environment.With social progress, the enhancing of people's environmental consciousness, the direct discharge of government department's legislation limitation harmful waste water, for this, domestic pharmacy corporation is constantly studied pharmacy sewage treatment technology, there are the sewage-treatment plants such as oil removal slag, chemical precipitation and biological oxidation using more sewage disposal device at present, be still unable to reach ideal effect, the environmental problem increasingly sharpened can not be met using some traditional handicrafts.
The utility model patent of application number 201120394453.9, discloses a kind of pharmaceutical factory sewage treatment plant, including first, second sedimentation basin, Aerobic Pond, depositing reservoir, blower fan and water pump, and the present apparatus is provided with the first and second two-stage sedimentation basins.Mud return line is provided between the second sedimentation basin and Aerobic Pond, the first sedimentation basin is concatenated with Aerobic Pond, the second sedimentation basin successively by pipeline.The utility model patent of application number 201320467268.7, discloses a kind of bio-pharmaceuticals factory sewage-treatment plant, is made up of water inlet, dosing mouth, reaction casing, steam pipe coil, pressure gauge, thermometer, discharge outlet, sludge drainage system.Dosing mouth is connected in water inlet, import afterwards in main body reaction casing, increasing steam pipe coil in reaction chamber is used to improve sewage disposal temperature, and sewage is discharged into cooling bay after reaction chamber passes through high temperature dosing catalytic oxidation treatment by discharge outlet, to be cooled to enter biochemical treatment system afterwards.Two kinds of pharmacy sewage processing units disclosed above respectively have its feature, but do not have wide applicability, and the former is applied to the more pharmacy sewage of precipitated impurities, and the latter is more suitable for the less pharmacy sewage of sediment.Therefore, it is necessary to set about designing the more extensive pharmacy sewage processing unit of applicability.
The content of the invention
The present invention is solves the deficiencies in the prior art there is provided a kind of pharmacy sewage processing unit, to realize the qualified discharge of pharmacy sewage.
Technical scheme is as follows：
A kind of pharmacy sewage processing unit, is made up of sludge-tank, high concentration regulating reservoir, low concentration regulating reservoir, pre-acidified pond, USAB ponds, anoxic pond, contact Aerobic Pond, MBR (membrane biological reaction) pond, complex biological filter and clear water reserviors.The pharmacy sewage processing unit is ten grades of serial structures, the first order is 2 sludge-tanks side by side, the second level is high concentration regulating reservoir, and the third level is low concentration regulating reservoir, and the fourth stage is 2 pre-acidified ponds side by side, level V is 2 serial UASB ponds, 6th grade is anoxic pond, and the 7th grade is 3 serial contact Aerobic Ponds, and the 8th grade is 2 serial MBR ponds, 9th grade is 2 complex biological filters, and the tenth grade is clear water reserviors.
Pharmacy sewage separately flows into high concentration regulating reservoir and low concentration regulating reservoir according to its concentration level by pipe-line system, and then high concentration merges with sewage of low concentration, and neutralization, the regulation of water of water quality are carried out in regulating reservoir.Cross after PH controlled system with self-regulation, regulating water quality PH is 7-8, enter back into pre-acidified pond and carry out pre-acidified processing.Regulating reservoir intake with UASB reactors recirculation water be sufficiently mixed, diluted in pre-acidified pond, neutralize after enter back into UASB carry out anaerobism vulcanization reaction.
UASB ponds are made up of sludge reaction area, gas-liquid-solid three-phase separator and the part of air chamber three.Anaerobic reaction process in UASB reactors includes the processes such as hydrolysis, acidifying, aerogenesis.A large amount of anaerobic sludges are retained in sludge reaction area, pharmacy sewage is flowed into from anaerobic mud bed bottom and contacted with anaerobic sludge progress mixing, and the organic matter in microorganism decomposition pharmacy sewage in anaerobic sludge is converted into biogas release.Biogas is constantly released in micro-bubble form, and is merged in uphill process, is formed larger volume bubble and is entered after gas-liquid-solid three-phase separator, the reflecting plate of biogas touching separator bottom, is folded to the surrounding of reflecting plate, then passes through water layer and enter air inlet chamber.The biogas concentrated in air chamber, can be drawn with conduit, and reclaiming electric energy using marsh gas power generation is comprehensively utilized.
Pharmacy sewage flows into anoxic pond through UASB ponds, further degraded wherein organic matter, and it is the single-stranded organic matter of small molecule macromolecular is combined chain oxidation operation, and improves the biodegradability of sewage.Built-in biological filler in anoxic pond, can substantially reduce the turnover rate of activated sludge.
Pharmacy sewage flows into contact Aerobic Pond through anoxic pond, carries out aeration aerobic reaction.Due to high-performance bio filler built in contact Aerobic Pond, bioactivity is high in pond, microorganism substantial amounts of biomembrane in filler surface attachment, and biochemical treatment is swapped to sewage, substantially reduce the pollution index of sewage, Organic Pollutants contained therein are cleared up substantially by microorganism.
Pharmacy sewage flows into MBR ponds through contacting Aerobic Pond, carries out ultrafiltration membrane bio-reaction, more efficient biochemical reaction is carried out in MBR ponds, pollutant component is further removed, membrane separation technique separation of solid and liquid is utilized.
Pharmacy sewage flows into complex biological filter through MBR ponds, can make anaerobic bio-treated and Aerobic biological process in sewage and filter to complete in same pond body, through multistage purification, realize to multinomial processing such as the organic matter degradations, denitrogenation dephosphorizing, filtering of sewage.Water quality gets a promotion after sewage disposal, reaches discharge standard, flows into clear water reserviors, is flowed out through clear water reserviors floss hole.
Pre-acidified pond, anoxic pond, MBR ponds partial sludge enter sludge-tank, and being lifted into Stacked sludge dewatering machine through membrane pump is dehydrated, and the sludge after dehydration and drying carries out harmless treatment, and filtrate is back in regulating reservoir, prevents secondary pollution.
The invention has the advantages that：
(1) multi-stage sewage treatment facility serial combination is used, and improves pharmacy sewage purifying rate, and wastewater treatment efficiency is good；
(2) biological method decomposes the poisonous and harmful substances in pharmacy sewage, reduces chemical substance and uses, it is to avoid secondary environment endangers；
(3) generated electricity using the biogas produced in sewage disposal process, energy-conserving and environment-protective；
(4) once input is used for a long time, it is easy to safeguard, and applied widely.
Brief description of the drawings
Fig. 1 pharmacy sewage processing unit schematic flow sheets.
Fig. 2 pharmacy sewage processing device structure diagrams.
In figure：1 sludge-tank；2 high concentration regulating reservoirs；3 low concentration regulating reservoirs；4 pre-acidified ponds；5 USAB ponds；6 anoxic ponds；7 contact Aerobic Ponds；8 MBR ponds；9 complex biological filters；10 clear water reserviors；11 discharge outlet.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
A kind of anaerobism, aerobic multistage wet field facilities for treating sewage, as shown in Figure of description 1-2, it is made up of sludge-tank 1, high concentration regulating reservoir 2, low concentration regulating reservoir 3, pre-acidified pond 4, USAB ponds 5, anoxic pond 6, contact Aerobic Pond 7, MBR ponds 8, complex biological filter 9 and clear water reserviors 10.
Embodiment
Sludge-tank 1, size：8.0m×3.0m×3.0m；Structure：Underground type Reinforced Concrete Structure；It is equipped with equipment：Sludge pump, Stacked sludge dewatering machine etc.；Quantity：12 lattice.
High concentration regulating reservoir 2, size：8.0m×4.0m×3.0m；Structure：Underground type Reinforced Concrete Structure；Volume：100m3；Quantity：1.
Low concentration regulating reservoir 3, size：8.0m×6.0m×3.0m；Structure：Underground type Reinforced Concrete Structure；Volume：140m3；Quantity：1.
Pre-acidified pond 4, size：8.0m×2.0m×6.0m；Structure：Underground type Reinforced Concrete Structure；Dischargeable capacity：91m3；Quantity：12 lattice.
USAB ponds 5, size：8.0m×12.0m×6.0m；Structure：Semi-underground type Reinforced Concrete Structure；Dischargeable capacity：528m3；It is equipped with equipment：Filler, three phase separator, water distribution system etc.；Quantity：12 lattice.
Anoxic pond 6, size：8.0m×3.0m×4.0m；Structure：Semi-underground type Reinforced Concrete Structure；Dischargeable capacity：89m3；It is equipped with equipment：1 set of biochemical filler, bottom stirring system；Quantity：1.
Contact Aerobic Pond 7, size：8.0m×7.0m×4.0m；Structure：Semi-underground type Reinforced Concrete Structure；Dischargeable capacity：207m3；It is equipped with equipment：156 sets of micro-hole aerator and bracket, model TK-P-215, biochemical filler 207m3；Quantity：13 lattice.
MBR ponds 8, size：8.0m×4.0m×4.0m；Structure：Semi-underground type Reinforced Concrete Structure；Dischargeable capacity：118m3；It is equipped with equipment：60 sets of micro-hole aerator and bracket, model TK-P-215, biochemical filler 118m3, 1 set of MBR films and mould bases；Quantity：12 lattice.
Complex biological filter 9, size：8.0m×4.0m×4.0m；Structure：Semi-underground type Reinforced Concrete Structure；It is equipped with equipment：1 set of filter plate, filtrate 88m3；Quantity：12 lattice.
With clear water reserviors 10, size：4.0m×4.0m×2.0m；Structure：Underground type Reinforced Concrete Structure；Volume：30m3；Quantity：1.
Figure of description is only used as the structure of product, principle schematic, and actual product structure snd size are defined by inventor's design production drawing.
Embodiment described above is only that embodiments of the present invention are described, and not the spirit and scope of the present invention are defined.On the premise of design concept of the present invention is not departed from, all variations and modifications that this area ordinary person makes to technical scheme all should drop into protection scope of the present invention, and the scope of the present invention is limited by appended claims rather than described above.
Claims (4)
1. a kind of pharmacy sewage processing unit, by sludge-tank (1), high concentration regulating reservoir (2), low concentration regulating reservoir
(3), pre-acidified pond (4), USAB ponds (5), anoxic pond (6), contact Aerobic Pond (7), MBR ponds
(8), complex biological filter (9) and clear water reserviors (10) composition, it is characterised in that at the pharmacy sewage
It is ten grades of serial structures to manage device, and the first order is 2 sludge-tanks (1) side by side, and the second level is adjusted for high concentration
Save pond (2), the third level is low concentration regulating reservoir (3), the fourth stage is 2 pre-acidified ponds (4) side by side,
Level V is 2 serial UASB ponds (5), and the 6th grade is anoxic pond (6), and the 7th grade is 3 serial
Aerobic Pond (7) is contacted, the 8th grade is 2 serial MBR ponds (8), and the 9th grade is 2 complex biological filters
(9), the tenth grade is clear water reserviors (10).
2. a kind of pharmacy sewage processing unit according to claim 1, it is characterised in that the UASB ponds
(5) it is made up of sludge reaction area, gas-liquid-solid three-phase separator and the part of air chamber three.
3. a kind of pharmacy sewage processing unit according to claim 1, it is characterised in that the UASB ponds
(5) collecting methane produced in sewage disposal process is carried out, reclaiming electric energy using marsh gas power generation carries out integrating profit
With.
4. a kind of pharmacy sewage processing unit according to claim 1, it is characterised in that the pre-acidified pond
(4), partial sludge enters sludge-tank (1) in anoxic pond (6), MBR ponds (8), is lifted through membrane pump
It is dehydrated into Stacked sludge dewatering machine, the sludge after dehydration and drying carries out harmless treatment, filtrate is returned
It flow in regulating reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148980.9A CN107176747A (en) | 2016-03-11 | 2016-03-11 | A kind of pharmacy sewage processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148980.9A CN107176747A (en) | 2016-03-11 | 2016-03-11 | A kind of pharmacy sewage processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107176747A true CN107176747A (en) | 2017-09-19 |
Family
ID=59830496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610148980.9A Pending CN107176747A (en) | 2016-03-11 | 2016-03-11 | A kind of pharmacy sewage processing unit |
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| Country | Link |
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| CN (1) | CN107176747A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658395A (en) * | 2018-06-27 | 2018-10-16 | 贵州楚天环保有限公司 | A kind of pharmacy sewage processing system and technique |
| CN110407406A (en) * | 2019-07-18 | 2019-11-05 | 聊城市鲁西化工工程设计有限责任公司 | The biochemical processing process of the toxic low biochemical sewage of high concentration COD, high ammonia nitrogen |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205473253U (en) * | 2016-03-04 | 2016-08-17 | 浙江国清环保科技有限公司 | Pharmacy sewage treatment plant |
-
2016
- 2016-03-11 CN CN201610148980.9A patent/CN107176747A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205473253U (en) * | 2016-03-04 | 2016-08-17 | 浙江国清环保科技有限公司 | Pharmacy sewage treatment plant |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658395A (en) * | 2018-06-27 | 2018-10-16 | 贵州楚天环保有限公司 | A kind of pharmacy sewage processing system and technique |
| CN110407406A (en) * | 2019-07-18 | 2019-11-05 | 聊城市鲁西化工工程设计有限责任公司 | The biochemical processing process of the toxic low biochemical sewage of high concentration COD, high ammonia nitrogen |
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Application publication date: 20170919 |
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