CN110395841A - Wastewater treating technique in a kind of biopharmaceutical production processes - Google Patents

Wastewater treating technique in a kind of biopharmaceutical production processes Download PDF

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Publication number
CN110395841A
CN110395841A CN201910413063.2A CN201910413063A CN110395841A CN 110395841 A CN110395841 A CN 110395841A CN 201910413063 A CN201910413063 A CN 201910413063A CN 110395841 A CN110395841 A CN 110395841A
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China
Prior art keywords
waste
waste water
active carbon
production processes
water
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CN201910413063.2A
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Chinese (zh)
Inventor
王春林
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Gaoyou Yuhang Chemical Machinery Factory
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Gaoyou Yuhang Chemical Machinery Factory
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Priority to CN201910413063.2A priority Critical patent/CN110395841A/en
Publication of CN110395841A publication Critical patent/CN110395841A/en
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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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/02—Odour removal or prevention of malodour
    • 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
    • C02F3/30—Aerobic and anaerobic 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
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The present invention relates to Wastewater treating techniques in a kind of biopharmaceutical production processes, including following operating procedure: 1) bio-pharmaceuticals productional surplus waste liquid flows automatically after sending to Sewage Disposal into grid pond；2) hydrolase is added in residual waste solution, is stirred and active carbon is then added, and activated carbon impurities are taken out in filtering；3) waste liquid of grid pond outflow is evacuated in coagulative precipitation tank using sewage pump, and flocculant and coagulant are added in coagulative precipitation tank；4) it is heated through row to adding in flocculant and coagulant sedimentation basin waste water, stands and restore to room temperature；5) after the completion of being stood to fermented waste fluid, to form waste water and sediment；6) it puts the precipitate in rabbling mechanism, and adds active carbon into rabbling mechanism.The present invention realizes that harmless, pollution-free, low energy consumption, at low cost, turns waste into wealth, and meets and national efficiently utilizes resource, the scientific and technological industry policy of energy saving and pollution alleviation synergy.Economic benefit, environmental benefit, social benefit are very significant.

Description

Wastewater treating technique in a kind of biopharmaceutical production processes
Technical field
The present invention relates to Wastewater treatings in liquid waste disposal technique field, in particular to a kind of biopharmaceutical production processes Technique.
Background technique
It is reported that whole world pharmaceutical products, which have nearly half, at present is especially synthesized by Microbe synthesis When the drug of molecular structure complexity, microbial method has better economic benefit, micro- life not only than chemical synthesis simplicity Object drug pharmacy has become research hotspot at present.But microbial medicine pharmacy also produces a large amount of fermentation liquid waste residue simultaneously, Main ingredient are as follows: soy meal, methionine, lysine, vegetable oil, starchy material etc. are a kind of paste that viscosity is high, stream Dynamic property is poor, and chemical oxygen consumption (COC) is high, 1 × 105-2 of CODcr value × 105mg/l, and two classes for belonging to national regulation are high-risk discarded Object, it is necessary to carry out cost-effective thorough processing, otherwise to water body, atmosphere it is very harmful, urgent need take effective ways to it It is handled or is recycled.At present to the processing of microbiological pharmacy fermentation liquid waste residue have plate compression, scraper-type drum it is dry, from So the methods of sunning, but it is not able to satisfy the basic demand of energy-saving and environmental protection, it is in particular in that energy consumption is high, treating capacity is small, easily miscellaneous Bacterium pollution is putrid and deteriorated, and serious polluted-water, atmosphere etc. seriously constrain the development of microbial method fermentation pharmacy.
Summary of the invention
The technical problem to be solved by the present invention is to overcome prior art disadvantage, provide in a kind of biopharmaceutical production processes Wastewater treating technique solves the problems, such as existing fermented waste fluid high pollution.
In order to solve the above technical problems, technical solution provided by the invention are as follows: ferment in a kind of biopharmaceutical production processes Process for treating waste liquor, including following operating procedure:
1) after effective component is extracted, residual waste solution is sent to Sewage Disposal through hyperfiltration treatment for bio-pharmaceuticals production Flow automatically into grid pond；
2) hydrolase is added in residual waste solution, 5-10min is stirred, active carbon is then added, in 40-55 DEG C of temperature Under the conditions of, continue after stirring 40-60min, activated carbon impurities are taken out in filtering；
3) waste liquid of grid pond outflow is evacuated in coagulative precipitation tank using sewage pump, and flocculant is added in coagulative precipitation tank PAC and coagulant PAM, PAC concentration are 5%, and dosage is that the waste liquid of 100t adds 20kg；PAM concentration is 0.1%, dosage It is that the waste liquid of 100t adds 2kg；
4) it is heated through row to adding in flocculant PAC and coagulant PAM sedimentation basin waste water, at a temperature of 90-110 DEG C, After being stirred 5-10min simultaneously, stands and restore to room temperature, stand 3-5h；
5) after the completion of standing to fermented waste fluid, separation is filtered to fermented waste fluid, to form waste water and sink Starch；
6) it puts the precipitate in rabbling mechanism, and adds active carbon into rabbling mechanism, again to having in sediment Evil gas and color are adsorbed, and after the completion, active carbon is taken out, that is, complete the processing to sediment；
7) upper layer waste water is discharged by water anaerobic pond by the pump housing, active sludge in anaerobic pond, the sludge water in sediment Into biological deodorizing equipment deodorization；
8) anaerobic pond, which is discharged, flow to aerobic tank, active sludge in aerobic tank, hangs with biologic packing material in aerobic tank；
9) aerobic tank water outlet flows into secondary settling tank certainly, sludge and sewage is carried out precipitation and separation in secondary settling tank, water outlet is certainly Flow into intermediate pool；
10) waste water carries out the detection of pH value, needs so that pH value is 6.5-7.5, if waste water is greater than 7.5 or less than 6.5, It then needs that its pH value is adjusted, to guarantee that pH value is in 6.5-7.5, after the completion, then completes the processing to waste water.
As an improvement, the grid gap of the grid pond is 5-8mm.
As an improvement, the diameter of active carbon used in the above-mentioned processing step need to be greater than 10cm, and activated carbon surface Offer multiple through-holes through active carbon.
As an improvement, the dissolved oxygen extent control of anaerobic pond is being less than 0.2mg/L in the step 7).
As an improvement, the dissolved oxygen of aerobic tank is controlled in 2-4mg/L in the step 8).
The present invention has the advantage that the present invention, compared with traditional treatment method, it is different to eliminate products obtained therefrom for obvious energy conservation Taste, while eliminating residual harmful object in fermentation liquid, is conducive to the high-efficiency comprehensive utilization of product, is a kind of energy conservation and environmental protection, efficiently The method that fermented waste fluid is effectively treated using resources economy.It realizes that harmless, pollution-free, low energy consumption, at low cost, turns waste into wealth, Meet country and efficiently utilizes resource, the scientific and technological industry policy of energy saving and pollution alleviation synergy.Economic benefit, environmental benefit, social benefit ten Divide significant.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments.
Embodiment 1
Wastewater treating technique in a kind of biopharmaceutical production processes, including following operating procedure:
1) after effective component is extracted, residual waste solution is sent to Sewage Disposal through hyperfiltration treatment for bio-pharmaceuticals production Flow automatically into grid pond, the grid gap of the grid pond is 5mm；
2) hydrolase is added in residual waste solution, 5min is stirred, active carbon is then added, in 40 DEG C of temperature conditions Under, continue after stirring 40min, activated carbon impurities are taken out in filtering；
3) waste liquid of grid pond outflow is evacuated in coagulative precipitation tank using sewage pump, and flocculant is added in coagulative precipitation tank PAC and coagulant PAM, PAC concentration are 5%, and dosage is that the waste liquid of 100t adds 20kg；PAM concentration is 0.1%, dosage It is that the waste liquid of 100t adds 2kg；
4) it is heated through row to adding in flocculant PAC and coagulant PAM sedimentation basin waste water, at a temperature of 90 DEG C, simultaneously After being stirred 5min, stands and restore to room temperature, stand 3h；
5) after the completion of standing to fermented waste fluid, separation is filtered to fermented waste fluid, to form waste water and sink Starch；
6) it puts the precipitate in rabbling mechanism, and adds active carbon into rabbling mechanism, again to having in sediment Evil gas and color are adsorbed, and after the completion, active carbon is taken out, that is, complete the processing to sediment；
7) upper layer waste water is discharged by water anaerobic pond, active sludge in anaerobic pond by the pump housing, dissolved oxygen extent control exists Less than 0.2mg/L, the sludge water in sediment enters biological deodorizing equipment deodorization；
8) anaerobic pond water outlet flow to aerobic tank, active sludge in aerobic tank, and dissolved oxygen controls in 2mg/L, aerobic tank Hang with biologic packing material；
9) aerobic tank water outlet flows into secondary settling tank certainly, sludge and sewage is carried out precipitation and separation in secondary settling tank, water outlet is certainly Flow into intermediate pool；
10) waste water carries out the detection of pH value, needs so that pH value is 6.5-7.5, if waste water is greater than 7.5 or less than 6.5, It then needs that its pH value is adjusted, to guarantee that pH value is in 6.5-7.5, after the completion, then completes the processing to waste water.
Embodiment 2
Wastewater treating technique in a kind of biopharmaceutical production processes, including following operating procedure:
1) after effective component is extracted, residual waste solution is sent to Sewage Disposal through hyperfiltration treatment for bio-pharmaceuticals production Flow automatically into grid pond, the grid gap of the grid pond is 8mm；
2) hydrolase is added in residual waste solution, 10min is stirred, active carbon is then added, in 55 DEG C of temperature conditions Under, continue after stirring 60min, activated carbon impurities are taken out in filtering；
3) waste liquid of grid pond outflow is evacuated in coagulative precipitation tank using sewage pump, and flocculant is added in coagulative precipitation tank PAC and coagulant PAM, PAC concentration are 5%, and dosage is that the waste liquid of 100t adds 20kg；PAM concentration is 0.1%, dosage It is that the waste liquid of 100t adds 2kg；
4) it is heated through row to adding in flocculant PAC and coagulant PAM sedimentation basin waste water, at a temperature of 110 DEG C, simultaneously After being stirred 10min, stands and restore to room temperature, stand 5h；
5) after the completion of standing to fermented waste fluid, separation is filtered to fermented waste fluid, to form waste water and sink Starch；
6) it puts the precipitate in rabbling mechanism, and adds active carbon into rabbling mechanism, again to having in sediment Evil gas and color are adsorbed, and after the completion, active carbon is taken out, that is, complete the processing to sediment；
7) upper layer waste water is discharged by water anaerobic pond, active sludge in anaerobic pond by the pump housing, dissolved oxygen extent control exists Less than 0.2mg/L, the sludge water in sediment enters biological deodorizing equipment deodorization；
8) anaerobic pond water outlet flow to aerobic tank, active sludge in aerobic tank, and dissolved oxygen controls in 4mg/L, aerobic tank Hang with biologic packing material；
9) aerobic tank water outlet flows into secondary settling tank certainly, sludge and sewage is carried out precipitation and separation in secondary settling tank, water outlet is certainly Flow into intermediate pool；
10) waste water carries out the detection of pH value, needs so that pH value is 6.5-7.5, if waste water is greater than 7.5 or less than 6.5, It then needs that its pH value is adjusted, to guarantee that pH value is in 6.5-7.5, after the completion, then completes the processing to waste water.
Embodiment 3
Wastewater treating technique in a kind of biopharmaceutical production processes, including following operating procedure:
1) after effective component is extracted, residual waste solution is sent to Sewage Disposal through hyperfiltration treatment for bio-pharmaceuticals production Flow automatically into grid pond, the grid gap of the grid pond is 7mm；
2) hydrolase is added in residual waste solution, 8min is stirred, active carbon is then added, in 50 DEG C of temperature conditions Under, continue after stirring 50min, activated carbon impurities are taken out in filtering；
3) waste liquid of grid pond outflow is evacuated in coagulative precipitation tank using sewage pump, and flocculant is added in coagulative precipitation tank PAC and coagulant PAM, PAC concentration are 5%, and dosage is that the waste liquid of 100t adds 20kg；PAM concentration is 0.1%, dosage It is that the waste liquid of 100t adds 2kg；
4) it is heated through row to adding in flocculant PAC and coagulant PAM sedimentation basin waste water, at a temperature of 100 DEG C, simultaneously After being stirred 8min, stands and restore to room temperature, stand 4h；
5) after the completion of standing to fermented waste fluid, separation is filtered to fermented waste fluid, to form waste water and sink Starch；
6) it puts the precipitate in rabbling mechanism, and adds active carbon into rabbling mechanism, again to having in sediment Evil gas and color are adsorbed, and after the completion, active carbon is taken out, that is, complete the processing to sediment；
7) upper layer waste water is discharged by water anaerobic pond, active sludge in anaerobic pond by the pump housing, dissolved oxygen extent control exists Less than 0.2mg/L, the sludge water in sediment enters biological deodorizing equipment deodorization；
8) anaerobic pond water outlet flow to aerobic tank, active sludge in aerobic tank, and dissolved oxygen controls in 3mg/L, aerobic tank Hang with biologic packing material；
9) aerobic tank water outlet flows into secondary settling tank certainly, sludge and sewage is carried out precipitation and separation in secondary settling tank, water outlet is certainly Flow into intermediate pool；
10) waste water carries out the detection of pH value, needs so that pH value is 6.5-7.5, if waste water is greater than 7.5 or less than 6.5, It then needs that its pH value is adjusted, to guarantee that pH value is in 6.5-7.5, after the completion, then completes the processing to waste water.
Although above the present invention is described in detail with a general description of the specific embodiments, On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.

Claims (5)

1. Wastewater treating technique in a kind of biopharmaceutical production processes, which is characterized in that including following operating procedure:
1) bio-pharmaceuticals production after effective component is extracted, is flow automatically through hyperfiltration treatment after residual waste solution is sent to Sewage Disposal Enter grid pond；
2) hydrolase is added in residual waste solution, 5-10min is stirred, active carbon is then added, in 40-55 DEG C of temperature condition Under, continue after stirring 40-60min, activated carbon impurities are taken out in filtering；
3) waste liquid of grid pond outflow is evacuated in coagulative precipitation tank using sewage pump, and flocculant PAC is added in coagulative precipitation tank And coagulant PAM, PAC concentration is 5%, dosage is that the waste liquid of 100t adds 20kg；PAM concentration is 0.1%, and dosage is The waste liquid of 100t adds 2kg；
4) it is heated through row to adding in flocculant PAC and coagulant PAM sedimentation basin waste water, at a temperature of 90-110 DEG C, simultaneously After being stirred 5-10min, stands and restore to room temperature, stand 3-5h；
5) after the completion of standing to fermented waste fluid, separation is filtered to fermented waste fluid, to form waste water and sediment；
6) it puts the precipitate in rabbling mechanism, and adds active carbon into rabbling mechanism, again to harmful gas in sediment Body and color are adsorbed, and after the completion, active carbon is taken out, that is, complete the processing to sediment；
7) upper layer waste water is discharged by water anaerobic pond by the pump housing, active sludge in anaerobic pond, the sludge water in sediment enters Biological deodorizing equipment deodorization；
8) anaerobic pond, which is discharged, flow to aerobic tank, active sludge in aerobic tank, hangs with biologic packing material in aerobic tank；
9) aerobic tank water outlet flows into secondary settling tank certainly, and sludge and sewage are carried out precipitation and separation in secondary settling tank, and water outlet flows into certainly Intermediate pool；
10) waste water carries out the detection of pH value, needs if waste water is greater than 7.5 or less than 6.5, to need so that pH value is 6.5-7.5 Its pH value is adjusted, to guarantee that pH value is in 6.5-7.5, after the completion, then completes the processing to waste water.
2. Wastewater treating technique in a kind of biopharmaceutical production processes according to claim 1, it is characterised in that: institute The grid gap for stating grid pond is 5-8mm.
3. Wastewater treating technique in a kind of biopharmaceutical production processes according to claim 1, it is characterised in that: institute The diameter for stating active carbon used in above-mentioned processing step need to be greater than 10cm, and activated carbon surface offer it is multiple through active carbon Through-hole.
4. Wastewater treating technique in a kind of biopharmaceutical production processes according to claim 1, it is characterised in that: institute The dissolved oxygen extent control for stating anaerobic pond in step 7) is being less than 0.2mg/L.
5. Wastewater treating technique in a kind of biopharmaceutical production processes according to claim 1, it is characterised in that: institute The dissolved oxygen for stating aerobic tank in step 8) is controlled in 2-4mg/L.
CN201910413063.2A 2019-05-17 2019-05-17 Wastewater treating technique in a kind of biopharmaceutical production processes Pending CN110395841A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111995171A (en) * 2020-07-10 2020-11-27 广西夏阳环保科技有限公司 Composite treatment agent for medical wastewater and treatment method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100405899B1 (en) * 2003-04-22 2003-11-14 Hyung Soo Kim Wastewater treatment system using membrane activated sludge process combined with biofilm and coagulation process
US20040055953A1 (en) * 2000-10-16 2004-03-25 Cammarota Magali Christe Production process and composition of an enzymatic preparation, and its use for the treatment of domestic and industrial effluents of high fat, protein and/or carbohydrate content
CN105621798A (en) * 2016-01-12 2016-06-01 岑溪市华鸿污水处理有限公司 Pharmaceutical wastewater treatment system and technique
CN106830536A (en) * 2017-02-25 2017-06-13 郑州碧水环保科技有限公司 A kind of advanced treatment process of ferment antibiotics waste water
CN108439696A (en) * 2018-03-02 2018-08-24 成都知联汇科技有限公司 A kind of processing method of microbiological pharmacy fermentation waste liquid
CN109534606A (en) * 2018-12-21 2019-03-29 上海同济建设科技股份有限公司 A kind of fermented pharmaceutical waste water treatment process

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040055953A1 (en) * 2000-10-16 2004-03-25 Cammarota Magali Christe Production process and composition of an enzymatic preparation, and its use for the treatment of domestic and industrial effluents of high fat, protein and/or carbohydrate content
KR100405899B1 (en) * 2003-04-22 2003-11-14 Hyung Soo Kim Wastewater treatment system using membrane activated sludge process combined with biofilm and coagulation process
CN105621798A (en) * 2016-01-12 2016-06-01 岑溪市华鸿污水处理有限公司 Pharmaceutical wastewater treatment system and technique
CN106830536A (en) * 2017-02-25 2017-06-13 郑州碧水环保科技有限公司 A kind of advanced treatment process of ferment antibiotics waste water
CN108439696A (en) * 2018-03-02 2018-08-24 成都知联汇科技有限公司 A kind of processing method of microbiological pharmacy fermentation waste liquid
CN109534606A (en) * 2018-12-21 2019-03-29 上海同济建设科技股份有限公司 A kind of fermented pharmaceutical waste water treatment process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111995171A (en) * 2020-07-10 2020-11-27 广西夏阳环保科技有限公司 Composite treatment agent for medical wastewater and treatment method thereof

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Application publication date: 20191101