CN108862938A - The method for treating waste liquid of CMC or ammonia creatine sodium or liquid detergent - Google Patents
The method for treating waste liquid of CMC or ammonia creatine sodium or liquid detergent Download PDFInfo
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- CN108862938A CN108862938A CN201810942620.5A CN201810942620A CN108862938A CN 108862938 A CN108862938 A CN 108862938A CN 201810942620 A CN201810942620 A CN 201810942620A CN 108862938 A CN108862938 A CN 108862938A
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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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
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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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
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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
- C02F3/30—Aerobic and anaerobic processes
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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
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
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- 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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a kind of CMC or the method for treating waste liquid of ammonia creatine sodium or liquid detergent, waste liquid is brine waste, brine waste is evaporated by MVR, the inorganic salts of removal 80%, remaining is saliferous 10-15%, the solution of moisture 40-50% and organic matter 35-50%, the COD COD of this solution are up to 300,000 mg/L or more, abbreviation mother liquor；By mother liquor at ten thousand -1.4 ten thousand mg/L solution of COD COD1 in distribution reservoir, then prepared waste water is handled by being pumped into the pond UASB, oxygen compatibility pool, the pond PACT, medium sediment pool, hydrolysis acidification pool, contact-oxidation pool and secondary settling tank are successively flowed by way of overflow again to be handled, detection, discharge after the completion of processing.Design perfect, easy to use, after processing, salinity effectively removed, generates a part reaches the recycled water of industrial reuse water quality standard and using the precipitating twice of medium sediment pool, secondary settling tank to waste liquid, so that water quality is further promoted, Non-scale in use.
Description
Technical field
The present invention relates to field of waste water treatment, and in particular to the liquid waste processing side of a kind of CMC or ammonia creatine sodium or liquid detergent
Method.
Background technique
The major pollutants that CMC or the production of ammonia creatine sodium or liquid detergent generate are waste water, and feature is with high salt, high COD
(20000~40000mg/L).1 ton of CMC of every production or ammonia creatine sodium or liquid detergent, will be about 2.5~3 tons of generation of waste liquid, give up
The processing of water is always a worldwide important topic, and developed country especially payes attention to.As Japan uses dioxygen water process
Technique, Germany uses exchange resin method, but still remains respective disadvantage, is not able to achieve the zero-emission of surface water.China is at this
Aspect yet there are no mature technical patent, still there is the gap of increasing compared with developed countries.It is special in energy-saving and emission-reduction, protection environment
It is not the today for protecting aqueous systems to rise as China's national strategy, solves the problems, such as that this seems extremely important.
Although the method for patent CN201610346447.3, CMC wastewater treatment, the recycled water generated have reached industrial
Water quality standard, and it can generate a large amount of scale in use, is brought at the problems such as causing water-pipe blockage for later period cleaning treatment
Trouble.
Summary of the invention
The present invention proposes the method for treating waste liquid of a kind of CMC or ammonia creatine sodium or liquid detergent, design it is perfect, it is easy to use,
After processing, salinity is effectively removed, generates and sink in a part of recycled water for reaching industrial reuse water quality standard and utilization waste liquid
Pond, secondary settling tank precipitating twice so that water quality is further promoted, Non-scale in use.
The method for treating waste liquid of a kind of CMC or ammonia creatine sodium or liquid detergent, waste liquid is brine waste, and brine waste passes through
MVR evaporation, removes 80% inorganic salts, and remaining is saliferous 10-15%, the solution of moisture 40-50% and organic matter 35-50%, this
The COD COD of kind solution is up to 300,000 mg/L or more, abbreviation mother liquor；By mother liquor at chemical oxygen demand in distribution reservoir
Ten thousand -1.4 ten thousand mg/L solution of COD1 is measured, is then handled prepared waste water by being pumped into the pond UASB, then pass through overflow
Mode successively flow into oxygen compatibility pool, the pond PACT, medium sediment pool, hydrolysis acidification pool, contact-oxidation pool and secondary settling tank and handled, locate
Detection, discharge after the completion of reason.
Above-mentioned technical proposal is improved further and is refined, the processing method in the pond UASB is：
（1）Hydrolysis stage：Macromolecule organic resolves into small molecule；Organic substance cellulose in waste water is decomposed by cellulase
At cellobiose and glucose；These small molecules after decomposition carry out the decomposition of next step.
（2）Acidification stage：Above-mentioned small organic molecule, which enters in microbial body, is converted to more simple compound,
The primary product in this stage is volatile fatty acid（VFA）, while there are also the alcohols of part, lactic acid, carbon dioxide, hydrogen,
The products such as ammonia, hydrogen sulfide generate.
（3）Produce the acetic acid stage：In this stage, the product of previous step is further converted to acetic acid, carbonic acid, hydrogen and new
Cellular material.
（4）The methane phase stage：In this stage, acetic acid, hydrogen, carbonic acid, formic acid and methanol are all converted to methane, dioxy
Change carbon and new cellular material.
Above-mentioned technical proposal is improved further and is refined, the processing method of the oxygen compatibility pool is：
Oxygen compatibility pool is at the middle and upper levels the environment of aerobic animal and plant growth, and lower layer is anaerobic organism existence, respectively effect, collective effect
To purification of waste water, the effect that facultative microbe eliminates dirty Organic substance in water is given full play to.
Above-mentioned technical proposal is improved further and is refined, the processing method in the pond PACT is：
It puts into active carbon in pond to be aerated together with the carbon containing sludge of reflux, what processing microorganism was difficult to degrade poisonous and hazardous has
Machine pollutant prevents the rebound of ammonia nitrogen index, improves the removal effect for being difficult to degradation of organic substances.
Above-mentioned technical proposal is improved further and is refined, the processing method of the hydrolysis acidification pool is：
（1）Hydrolysis stage：Macromolecule organic resolves into small molecule；Organic substance cellulose in waste water is decomposed by cellulase
At cellobiose and glucose；These small molecules after decomposition carry out the decomposition of next step.
（2）Acidification stage：Above-mentioned small organic molecule, which enters in microbial body, is converted to more simple compound,
The primary product in this stage is volatile fatty acid（VFA）, while there are also the alcohols of part, lactic acid, carbon dioxide, hydrogen,
The products such as ammonia, hydrogen sulfide generate.
Above-mentioned technical proposal is improved further and is refined, the processing mode of the contact-oxidation pool is：
The biological treatment device for having activated sludge concurrently based on biofilm method is used, by providing oxygen source, makes the organic matter in waste water
By microorganism adsorption, degradation, it is purified waste water.
Above-mentioned technical proposal is improved further and is refined, the medium sediment pool includes the water outlet on medium sediment pool top
Settling section in the middle part of slot, medium sediment pool and the first sludge pipe being connected to medium sediment pool bottom, the first sludge pipe are connected to sludge condensation
Pond, the sludge in waste water drown oneself precipitation and separation to medium sediment pool bottom in medium sediment pool, then by the first sludge pipe to be sent into sludge dense
Contracting pond, clear liquid then enter hydrolysis acidification pool from the effluent trough overflow on medium sediment pool top.
Above-mentioned technical proposal is improved further and is refined, the secondary settling tank includes the water outlet on secondary settling tank top
Settling section in the middle part of slot, secondary settling tank and the second sludge pipe being connected to secondary settling tank bottom, secondary settling tank bottom is cone, two
Heavy pond center vertical is provided with cylinder, and there are gap, secondary settling tank side wall is provided with inlet tube, inlet tube for cylinder and secondary settling tank bottom
It is connected to cylinder interior, cylinder interior is additionally provided with coagulant pipe, and the second sludge pipe is connected to sludge concentration tank；Waste water passes through inlet tube
It is sent into secondary settling tank bottom, and mixes aggregation, flocculation, coagulation, precipitating with the coagulant being added dropwise by coagulant pipe, sediment passes through
Second sludge pipe is sent into sludge concentration tank, and clear liquid is then discharged from the effluent trough overflow on secondary settling tank top through drain pipe；Pass through cylinder
Design is sufficiently mixed, and cooperate conical lower portion design, is avoided vertical so that waste liquid and coagulant are sent directly into the bottom of secondary settling tank
Secondary settling tank bottom is impacted, the mixed flow of vertical direction is caused not utilize sedimentation.
Above-mentioned technical proposal is improved further and is refined, the top of the secondary settling tank is additionally provided with refluxing opening,
Refluxing opening is connected to oxygen compatibility pool by reflux pump, and the waste liquid that detection processing is completed is unqualified, then passes through reflux pump reflux through refluxing opening
It is reprocessed to oxygen compatibility pool.
Above-mentioned technical proposal is improved further and is refined, the coagulant is PAC, aluminium polychloride, coagulation
Agent and waste liquid proportion are 3-5：100.
The invention has the advantages that design is perfect, easy to use, after processing, salinity is effectively removed, generates one waste liquid
Divide the recycled water for reaching industrial reuse water quality standard and utilize the precipitating twice of medium sediment pool, secondary settling tank, so that water quality obtains further
It is promoted, in use Non-scale.
Detailed description of the invention
Fig. 1 is the method for treating waste liquid flow chart of CMC or ammonia creatine sodium or liquid detergent.
Fig. 2 is secondary settling tank structural schematic diagram.
1 pond UASB of distribution reservoir, 2 oxygen compatibility pool, 3 pond PACT, 4 medium sediment pool, 5 hydrolysis acidification pool, 6 contact-oxidation pool 7 in figure
8 sludge concentration tank 9 of secondary settling tank pumps 10 reflux pump, 11 effluent trough, 12 cylinder, 13 coagulant pipe, 14 drain pipe, 15 refluxing opening
16,16 inlet tube 17 of refluxing opening.
Specific embodiment
As shown in Figs. 1-2, the method for treating waste liquid of a kind of CMC or ammonia creatine sodium or liquid detergent, waste liquid are brine waste, are contained
Salt waste water is evaporated by MVR, removes 80% inorganic salts, remaining is saliferous 10-15%, moisture 40-50% and organic matter 35-50%
Solution, the COD COD of this solution is up to 300,000 mg/L or more, abbreviation mother liquor；By mother liquor in distribution reservoir 1
At ten thousand -1.4 ten thousand mg/L solution of COD COD1, then prepared waste water is pumped at the pond UASB 2 by pump 10
Reason, then successively flowed by way of overflow oxygen compatibility pool 3, the pond PACT 4, medium sediment pool 5, hydrolysis acidification pool 6, contact-oxidation pool 7 with
And secondary settling tank 8 is handled, detection, discharge after the completion of processing；The effluent trough of the medium sediment pool 5 including 5 top of medium sediment pool, in
The settling section at heavy 5 middle part of pond and the first sludge pipe being connected to 5 bottom of medium sediment pool, the first sludge pipe are connected to sludge concentration tank 9,
Sludge in waste water drowns oneself precipitation and separation to 5 bottom of medium sediment pool in medium sediment pool 5, then is sent into sludge condensation by the first sludge pipe
Pond 9, clear liquid then enter hydrolysis acidification pool 9 from the effluent trough overflow on 5 top of medium sediment pool；The secondary settling tank 8 includes on secondary settling tank 8
The effluent trough 12 in portion, the settling section at 8 middle part of secondary settling tank and the second sludge pipe 18 being connected to 8 bottom of secondary settling tank, 8 bottom of secondary settling tank
Portion is cone, 8 center vertical of secondary settling tank is provided with cylinder 13, there are gap, secondary settling tanks 8 with 8 bottom of secondary settling tank for cylinder 13
Side wall is provided with inlet tube 17, and inlet tube 17 is connected to inside cylinder 13, and coagulant pipe 14, second row are additionally provided with inside cylinder 13
Mud pipe 18 is connected to sludge concentration tank 9；Waste water is sent into 8 bottom of secondary settling tank by inlet tube 17, and is added dropwise with by coagulant pipe 14
Coagulant mix aggregation, flocculation, coagulation, precipitating, sediment pass through the second sludge pipe 18 feeding sludge concentration tank 9, clear liquid is then
It is discharged from 12 overflow of effluent trough on 8 top of secondary settling tank through drain pipe 15；The top of the secondary settling tank 8 is additionally provided with refluxing opening
16, refluxing opening 16 is connected to the effluent trough 12 on 8 top of secondary settling tank, and is connected to oxygen compatibility pool by reflux pump 11, what detection processing was completed
Waste liquid is unqualified, then is back to oxygen compatibility pool 3 by reflux pump 11 through refluxing opening 16 and reprocesses；The coagulant is PAC, polymerization
Aluminium chloride, coagulant and waste liquid proportion are 3-5：100.
The processing method in the pond UASB 2 is：
（1）Hydrolysis stage：Macromolecule organic resolves into small molecule；Organic substance cellulose in waste water is decomposed by cellulase
At cellobiose and glucose；These small molecules after decomposition carry out the decomposition of next step.
（2）Acidification stage：Above-mentioned small organic molecule, which enters in microbial body, is converted to more simple compound,
The primary product in this stage is volatile fatty acid（VFA）, while there are also the alcohols of part, lactic acid, carbon dioxide, hydrogen,
The products such as ammonia, hydrogen sulfide generate.
（3）Produce the acetic acid stage：In this stage, the product of previous step is further converted to acetic acid, carbonic acid, hydrogen and new
Cellular material.
（4）The methane phase stage：In this stage, acetic acid, hydrogen, carbonic acid, formic acid and methanol are all converted to methane, dioxy
Change carbon and new cellular material.
The processing method of the oxygen compatibility pool 3 is：
Oxygen compatibility pool is at the middle and upper levels the environment of aerobic animal and plant growth, and lower layer is anaerobic organism existence, respectively effect, collective effect
To purification of waste water, the effect that facultative microbe eliminates dirty Organic substance in water is given full play to.
The processing method in the pond PACT 4 is：
It puts into active carbon in pond to be aerated together with the carbon containing sludge of reflux, what processing microorganism was difficult to degrade poisonous and hazardous has
Machine pollutant prevents the rebound of ammonia nitrogen index, improves the removal effect for being difficult to degradation of organic substances.
The processing method of the hydrolysis acidification pool 6 is：
（1）Hydrolysis stage：Macromolecule organic resolves into small molecule；Organic substance cellulose in waste water is decomposed by cellulase
At cellobiose and glucose；These small molecules after decomposition carry out the decomposition of next step.
（2）Acidification stage：Above-mentioned small organic molecule, which enters in microbial body, is converted to more simple compound,
The primary product in this stage is volatile fatty acid（VFA）, while there are also the alcohols of part, lactic acid, carbon dioxide, hydrogen,
The products such as ammonia, hydrogen sulfide generate.
The processing mode of the contact-oxidation pool 7 is：
The biological treatment device for having activated sludge concurrently based on biofilm method is used, by providing oxygen source, makes the organic matter in waste water
By microorganism adsorption, degradation, it is purified waste water.
Due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the common of the art
For technical staff, without departing from the principle of the present invention, can also make it is several improve, retouching or variation, can also be with
Above-mentioned technical characteristic is combined in the right way；These improve retouching, variation or combination, or not improved by invention
Conception and technical scheme directly apply to other occasions, are regarded as protection scope of the present invention.
Claims (10)
1. the method for treating waste liquid of a kind of CMC or ammonia creatine sodium or liquid detergent, it is characterised in that：Waste liquid is brine waste, saliferous
Waste water is evaporated by MVR, removes 80% inorganic salts, remaining is saliferous 10-15%, moisture 40-50% and organic matter 35-50%
Solution, the COD COD of this solution are up to 300,000 mg/L or more, abbreviation mother liquor；In distribution reservoir by mother liquor at
Ten thousand -1.4 ten thousand mg/L solution of COD COD1, is then handled prepared waste water by being pumped into the pond UASB, then
Successively flowed by way of overflow oxygen compatibility pool, the pond PACT, medium sediment pool, hydrolysis acidification pool, contact-oxidation pool and secondary settling tank into
Row processing, detection, discharge after the completion of processing.
2. the method for treating waste liquid of a kind of CMC according to claim 1 or ammonia creatine sodium or liquid detergent, it is characterised in that：
The processing method in the pond UASB is：
（1）Hydrolysis stage：Macromolecule organic resolves into small molecule；Organic substance cellulose in waste water is decomposed by cellulase
At cellobiose and glucose；These small molecules after decomposition carry out the decomposition of next step；
（2）Acidification stage：Above-mentioned small organic molecule, which enters in microbial body, is converted to more simple compound, this
The primary product in stage is volatile fatty acid（VFA）, while there are also alcohols, lactic acid, carbon dioxide, hydrogen, ammonia, the sulphur of part
Change the products such as hydrogen to generate；
（3）Produce the acetic acid stage：In this stage, the product of previous step is further converted to acetic acid, carbonic acid, hydrogen and newly thin
Born of the same parents' substance；
（4）The methane phase stage：In this stage, acetic acid, hydrogen, carbonic acid, formic acid and methanol are all converted to methane, carbon dioxide
With new cellular material.
3. the method for treating waste liquid of a kind of CMC according to claim 1 or ammonia creatine sodium or liquid detergent, it is characterised in that：
The processing method of the oxygen compatibility pool is：
Oxygen compatibility pool is at the middle and upper levels the environment of aerobic animal and plant growth, and lower layer is anaerobic organism existence, respectively effect, collective effect
To purification of waste water, the effect that facultative microbe eliminates dirty Organic substance in water is given full play to.
4. the method for treating waste liquid of a kind of CMC according to claim 1 or ammonia creatine sodium or liquid detergent, it is characterised in that：
The processing method in the pond PACT is：
It puts into active carbon in pond to be aerated together with the carbon containing sludge of reflux, what processing microorganism was difficult to degrade poisonous and hazardous has
Machine pollutant prevents the rebound of ammonia nitrogen index, improves the removal effect for being difficult to degradation of organic substances.
5. the method for treating waste liquid of a kind of CMC according to claim 1 or ammonia creatine sodium or liquid detergent, it is characterised in that：
The processing method of the hydrolysis acidification pool is：
（1）Hydrolysis stage：Macromolecule organic resolves into small molecule；Organic substance cellulose in waste water is decomposed by cellulase
At cellobiose and glucose；These small molecules after decomposition carry out the decomposition of next step；
（2）Acidification stage：Above-mentioned small organic molecule, which enters in microbial body, is converted to more simple compound, this
The primary product in stage is volatile fatty acid（VFA）, while there are also alcohols, lactic acid, carbon dioxide, hydrogen, ammonia, the sulphur of part
Change the products such as hydrogen to generate.
6. the method for treating waste liquid of a kind of CMC according to claim 1 or ammonia creatine sodium or liquid detergent, it is characterised in that：
The processing mode of the contact-oxidation pool is：
The biological treatment device for having activated sludge concurrently based on biofilm method is used, by providing oxygen source, makes the organic matter in waste water
By microorganism adsorption, degradation, it is purified waste water.
7. the method for treating waste liquid of a kind of CMC according to claim 1 or ammonia creatine sodium or liquid detergent, it is characterised in that：
The medium sediment pool include the effluent trough on medium sediment pool top, the settling section in the middle part of medium sediment pool and be connected to medium sediment pool bottom
One sludge pipe, the first sludge pipe are connected to sludge concentration tank, and the sludge in waste water drowns oneself precipitation and separation to medium sediment pool in medium sediment pool
Bottom, then sludge concentration tank is sent by the first sludge pipe, clear liquid then enters hydrolysis acid from the effluent trough overflow on medium sediment pool top
Change pond.
8. the method for treating waste liquid of a kind of CMC according to claim 1 or ammonia creatine sodium or liquid detergent, it is characterised in that：
The secondary settling tank include the effluent trough on secondary settling tank top, the settling section in the middle part of secondary settling tank, be connected to secondary settling tank bottom second
Sludge pipe and the drain pipe being connected to effluent trough, secondary settling tank bottom are cone, and secondary settling tank center vertical is provided with cylinder
13, there are gap, secondary settling tank side wall is provided with inlet tube for cylinder and secondary settling tank bottom, and inlet tube is connected to cylinder interior, in cylinder
Portion is additionally provided with coagulant pipe, and the second sludge pipe is connected to sludge concentration tank；Waste water by inlet tube be sent into secondary settling tank bottom, and with
Aggregation, flocculation, coagulation, precipitating are mixed by the coagulant that coagulant pipe is added dropwise, sediment is sent into sludge by the second sludge pipe
Concentration basin, clear liquid are then discharged from the effluent trough overflow on secondary settling tank top through drain pipe.
9. the method for treating waste liquid of a kind of CMC according to claim 1 or ammonia creatine sodium or liquid detergent, it is characterised in that：
The top of the secondary settling tank is additionally provided with refluxing opening, and refluxing opening is connected to the effluent trough on secondary settling tank top, and is connected by reflux pump
Logical oxygen compatibility pool, the waste liquid that detection processing is completed is unqualified, then is back to oxygen compatibility pool reprocessing by reflux pump through refluxing opening.
10. the method for treating waste liquid of a kind of CMC or ammonia creatine sodium or liquid detergent according to claim, it is characterised in that：
The coagulant is PAC, and aluminium polychloride, coagulant and waste liquid proportion are 3-5：100.
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| CN201810942620.5A CN108862938A (en) | 2018-08-17 | 2018-08-17 | The method for treating waste liquid of CMC or ammonia creatine sodium or liquid detergent |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865174A (en) * | 2005-05-19 | 2006-11-22 | 中国石油化工股份有限公司 | Treatment method for waste water containing high content calcium and organic matter |
| WO2007077575A2 (en) * | 2006-01-03 | 2007-07-12 | Ghorpade Narendra | A waste water treatment plant |
| CN201288101Y (en) * | 2008-11-18 | 2009-08-12 | 天津清华德人环境工程有限公司 | Water treating device for softening, clarifying and filtering lime |
| CN102173538A (en) * | 2011-03-15 | 2011-09-07 | 浙江环科环境研究院有限公司 | Device and process for biochemically treating saline organic wastewater |
| CN104098235A (en) * | 2014-08-04 | 2014-10-15 | 广元市申达实业有限公司 | Sewage treatment method of casing plant |
| CN105800887A (en) * | 2016-05-24 | 2016-07-27 | 江苏泰利达新材料股份有限公司 | Method for treating CMC waste water |
-
2018
- 2018-08-17 CN CN201810942620.5A patent/CN108862938A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865174A (en) * | 2005-05-19 | 2006-11-22 | 中国石油化工股份有限公司 | Treatment method for waste water containing high content calcium and organic matter |
| WO2007077575A2 (en) * | 2006-01-03 | 2007-07-12 | Ghorpade Narendra | A waste water treatment plant |
| CN201288101Y (en) * | 2008-11-18 | 2009-08-12 | 天津清华德人环境工程有限公司 | Water treating device for softening, clarifying and filtering lime |
| CN102173538A (en) * | 2011-03-15 | 2011-09-07 | 浙江环科环境研究院有限公司 | Device and process for biochemically treating saline organic wastewater |
| CN104098235A (en) * | 2014-08-04 | 2014-10-15 | 广元市申达实业有限公司 | Sewage treatment method of casing plant |
| CN105800887A (en) * | 2016-05-24 | 2016-07-27 | 江苏泰利达新材料股份有限公司 | Method for treating CMC waste water |
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Application publication date: 20181123 |