CN106746233A - A kind of high-enriched organics traditional Chinese medicine wastewater pretreating process - Google Patents
A kind of high-enriched organics traditional Chinese medicine wastewater pretreating process Download PDFInfo
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- CN106746233A CN106746233A CN201611247259.1A CN201611247259A CN106746233A CN 106746233 A CN106746233 A CN 106746233A CN 201611247259 A CN201611247259 A CN 201611247259A CN 106746233 A CN106746233 A CN 106746233A
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- chinese medicine
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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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
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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
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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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Abstract
The invention discloses a kind of high-enriched organics traditional Chinese medicine wastewater pretreating process, comprise the following steps：（1）Acid-base property is adjusted；（2）Aeration rp demulsification treatment；（3）Precipitation；（4）Mixed flocculation treatment；（5）Secondary precipitation；Then the waste water after above-mentioned steps are processed is sent into biochemical workshop further to process.The present invention is analyzed by a large amount of traditional Chinese medicine wastewater compositions, pollutant form present in water and pollutant concentration, after taking rp demulsification, flocculation sediment, materializing strategy pretreatment, it is re-fed into subsequent biochemical processing system, solve high concentration, content of organics are high, emulsification degree is high traditional Chinese medicine wastewater intractability it is big the problems such as, to Chinese Traditional Medicine sewage and the waste liquid of the similar high content organic matter for producing, with good pretreating effect.
Description
Technical field
The invention belongs to field of environment engineering, and in particular to a kind of high-enriched organics traditional Chinese medicine wastewater pretreating process.
Background technology
The waste water that Chinese Traditional Medicine is produced is mainly high concentrated organic wastewater, and the medicinal material from workshop is washed bubble and steamed
Boil, retort is rinsed, refine the generation of the processes such as concentration, preparation.Waste water includes the active compound washings in production process, active compound concoction
The waste water that the units such as residual night, filtering, distillation, extraction are produced.Traditional Chinese medicine wastewater main component has alkaloid, carbohydrate glycoside, anthraquinone, wood
The materials such as quality, alkaloid, tannin, protein, pigment, these materials come from plant medicine material mostly, its complex structure,
Typically it is unsuitable for biodegradation.COD in Wastewater Pollutant is up to 100000 mg/L, but BOD is less than 10000 mg/L,
Organic pollution concentration is at a relatively high, and the suspension light specific gravity of lignin etc., concentration are high, it is difficult to precipitate, wastewater biodegradability
Difference.The water quality of waste water, water as the intermittence of Chinese medicine production operation and the diversity fluctuations of product category are also than larger, quite
In other industrial wastewater Chinese traditional medicine wastewater treatments be one of waste water difficult to deal with.
At present, the improvement of domestic traditional Chinese medicine wastewater is mainly and uses biological treatment, including aerobic method, materialization+aerobic work
Skill, anaerobism+aerobic process etc..In Practical Project utilization, process above respectively has advantage and deficiency, is generally difficult to ensure that and is
The economical operation of system and stably reaching standard.It is primarily present following some problems：1）Contain in many traditional Chinese medicine wastewaters with water emulsification degree compared with
High waits organic matter, such as direct short time oxidation pre-treatment, it is difficult to which the oxidation of such larger molecular organicses is thorough；2）Traditional Chinese medicine wastewater
Pollutant concentration is high, suspension light specific gravity, is difficult to precipitate, and biodegradability is poor, only relies on forced aeration treatment, sewage treatment process
It is difficult to up to standard；3）Some technological effect degradation effects substantially, but need chemical drugs dosage big, relatively costly.
The content of the invention
A kind of technical problem of the present invention for above-mentioned presence of the prior art, there is provided high-enriched organics traditional Chinese medicine wastewater
Pretreating process, the residence time for solving conventional materialization treatment process is long, and medicament addition is big, water quality adjustment difficulty, biodegradability
The problems such as difference.
A kind of high-enriched organics traditional Chinese medicine wastewater pretreating process of the invention, comprises the following steps：
（1）Acid-base property is adjusted：According to production system come waste water acid-base property add limewash, sodium carbonate, NaOH or chlorination
Hydrogen solution, at ambient temperature, stirs 5min, reaches waste water system in acid-base property stablizing effect；
（2）Aeration rp demulsification treatment：Reverse-phase emulsifier is added in the waste water after being adjusted through acid-base property, while carrying out pressure exposure
Gas, stir about 30min is balanced with destroying organic matter with the emulsifiability of water, makes high-molecular-weight organic material molecule from approximate oil-in-water
Group in separate out；
（3）Precipitation：After through above-mentioned aeration rp demulsification, from sedimentation basin is flowed into, separation of solid and liquid is carried out by gravitational settling；
（4）Mixed flocculation treatment：Supernatant liquor after precipitation enters in mixed flocculation pond, adds flocculant, stir about
15min, makes the macromolecule colloidal particle in waste water collide to form big particle diameter micelle, macromolecular or cyclic organic materials in waste water
Material, obtains Strong oxdiative decomposition, so that the material with bio-toxicity is decomposed in waste water；
（5）Secondary precipitation：High molecular weight salt ionic poly amic acid is added after above-mentioned mixed flocculation, increases flocculating effect,
And carry out separation of solid and liquid by gravitational settling；
（6）Waste water after above-mentioned steps are processed is sent into biochemical workshop further to process.
Further, step（1）In to waste water adjust pH to 7~9.
Further, the reverse-phase emulsifier is cation polyether type surfactant, the work of cationic quaternary ammonium salt form surface
Property agent or oxirane, expoxy propane cation polyether in one or more mixtures, every kind of reverse-phase emulsifier plus
Enter amount for 200~500 g ton waste liquids.
Further, the flocculant be one kind in HMW polymerization iron chloride, flyash or polymer aluminium silicate or
More than one mixtures, the addition of every kind of flocculant is 1000~3000 g ton waste liquids.
Further, the mass concentration of the high molecular weight salt ionic poly amic acid of addition is 0.02%, and addition is 7
~12 liter/ton waste liquids.
The beneficial effects of the invention are as follows, current such sewage disposal process, because part macromolecule organic is emulsifying
State, forms oil-in-water form bag core, and current pretreatment measure is difficult to thoroughly, thus also exists in biochemical stage, sewage
A large amount of polymer substances for being difficult to biological decomposition, or even there is the material of some bio-toxicities, to biochemical process influence compared with
Greatly, to cause sewage disposal to be difficult to up to standard.Through this pretreating process technology, reverse-phase emulsifier adds aeration system, in can making sewage
Macromolecule organic be fully exposed, in follow-up oxidizing, flocculating mixed precipitation process, in the short period of time just can be with
Precipitate and separate is realized, realizes that larger molecular organicses are removed in the pretreatment materialization stage or oxidation Decomposition is complete, significantly carried
The biodegradability of sewage high.The residence time for being so conducive to improving or solve conventional materialization treatment process is long, and medicament addition is big,
The problems such as water quality adjustment difficulty, biodegradability difference.
The present invention for Chinese Traditional Medicine sewage and the waste liquid of the similar high content organic matter for producing, with pre- well
Treatment effect, its can by COD 40000~140000mg/L, petroleum-type 500~1500mg/L waste liquid through this PROCESS FOR TREATMENT
Afterwards, COD concentration can reduce by 80~93.5%, petroleum-type concentration reduction by more than 90%.
Specific embodiment
With reference to embodiment, the present invention is described further.
A kind of high-enriched organics traditional Chinese medicine wastewater pretreating process of the invention, detailed process is：First by 1200~
3500 g ton waste liquid ratios, add limewash, sodium carbonate, NaOH, stirring reaction about 5min to adjust pH to 7 in waste liquid
~9.Again in the ratio of 200~500 g ton waste liquids, cation polyether type surfactant, cationic quaternary ammonium salt form surface are added
Activating agent or oxirane, expoxy propane cation polyether, while forced aeration is carried out, stir about 30min.After precipitate and separate,
To supernatant in the ratio of 1000~3000 g ton waste liquids, HMW polymerization iron chloride, flyash and polymer aluminium silicate are added
In one or two combination, stir about 15min；Finally in the ratio of 7~12 liter/ton waste liquids, addition mass concentration is
0.02% high molecular weight salt ionic poly amic acid, carries out precipitate and separate again.Finally by after above-mentioned steps are processed
Waste water is sent to biochemical workshop and further processes.Using pretreating process of the invention can by COD 40000~140000mg/L,
Petroleum-type removes 80~93.5%, petroleum-type removal more than 90% in the COD of the Chinese Traditional Medicine waste liquid of 500~1500mg/L.
Because Chinese Traditional Medicine liquid waste concentration often rises and falls indefinite, each specific dosage of medicament and related residence time can be with
Determined by lab scale.The following is the table of comparisons of specific embodiment：
| Project | Rp demulsification | Mixed flocculation is precipitated | Before processing COD, mg/L | Before processing oil Class, mg/L | COD after treatment, mg/L （Clearance %） | Oils after before processing, mg/L（Clearance %） |
| Embodiment 1 | Live on cation polyether type surface The property g ton of agent 300 | The g ton of poly-ferric chloride 1000, fine coal Grey 3000 g tons | 58900 | 630 | 10500（82.17） | 55（91.27） |
| Embodiment 2 | Cationic quaternary ammonium salt form surface The g ton of activating agent 400 | The g ton of polymer aluminium silicate 1500, fine coal Grey 3000 g tons | 116500 | 910 | 13900（88.07） | 59（93.52） |
| Embodiment 3 | Expoxy propane cation polyether 500 g tons | The g ton of polymer aluminium silicate 2500 | 140590 | 1350 | 18850（86.59） | 66（95.11） |
Successively using aeration rp demulsification and mixed flocculation depositing technology technical finesse, wherein basic technique principle is the present invention：
The hydrophily using reverse-phase emulsifier during rp demulsification is aerated, break high-molecular-weight organic material molecule water-wet side with
The poised state that water droplet is combined, that is, destroy organic matter and balanced with the emulsifiability of water, makes high-molecular-weight organic material molecule from approximate water
Wrap precipitation in the group of oil.Forced aeration is carried out to system simultaneously in this process, is stirred, be conducive to the macromolecule for parsing organic
Thing collision to each other, is combined into macro-radical or colloidal material, is conducive to post precipitation effect, there is macromolecular in making water
Machine thing is thoroughly removed in this stage, and be aerated the small organic molecule of effumability that can be gone out in sewage with stripping and
The lighter suspension of proportion.Mixed flocculation precipitation process is after being added to the water using flocculant, to form colloid polymeric core, and its
The electric charge on surface, the molecular force in coupling system can break the surface stability of small colloid molecules in water, carry out collision combination
Into huger colloid molecules, cotton-shaped coagulating sedimentation is formed.Collaboration is coordinated to process by this two sets of PROCESS FOR TREATMENTs, its similar high concentration
Larger molecular organicses and emulsifiability sewage higher can reach good effect in pretreatment stage, COD clearances can reach
More than 80%, petroleum-type clearance is up to more than 90%, and nitrogen, phosphorus total amount clearance are also higher.Through the waste water after above-mentioned treatment, its
BOD/COD can reach more than 0.5, can be routed directly to the biochemical workshop of conventional sewage treatment and further process, and greatly drop
Low biochemical workshop operation cost.
Above example is only that the preferred embodiment of the present invention is described, not to the spirit and scope of the present invention
It is defined.On the premise of design concept of the present invention is not departed from, this area ordinary person make to technical scheme
All variations and modifications, protection scope of the present invention all should be dropped into.
Claims (5)
1. a kind of high-enriched organics traditional Chinese medicine wastewater pretreating process, comprises the following steps：
（1）Acid-base property is adjusted：According to production system come waste water acid-base property add limewash, sodium carbonate, NaOH or chlorination
Hydrogen solution, at ambient temperature, stirs 5min, reaches waste water system in acid-base property stablizing effect；
（2）Aeration rp demulsification treatment：Reverse-phase emulsifier is added in the waste water after being adjusted through acid-base property, while carrying out pressure exposure
Gas, stir about 30min is balanced with destroying organic matter with the emulsifiability of water, makes high-molecular-weight organic material molecule from approximate oil-in-water
Group in separate out；
（3）Precipitation：After through above-mentioned aeration rp demulsification, from sedimentation basin is flowed into, separation of solid and liquid is carried out by gravitational settling；
（4）Mixed flocculation treatment：Supernatant liquor after precipitation enters in mixed flocculation pond, adds flocculant, stir about
15min, makes the macromolecule colloidal particle in waste water collide to form big particle diameter micelle, macromolecular or cyclic organic materials in waste water
Material, obtains Strong oxdiative decomposition, so that the material with bio-toxicity is decomposed in waste water；
（5）Secondary precipitation：High molecular weight salt ionic poly amic acid is added after above-mentioned mixed flocculation, increases flocculating effect,
And carry out separation of solid and liquid by gravitational settling；
（6）Waste water after above-mentioned steps are processed is sent into biochemical workshop further to process.
2. a kind of high-enriched organics traditional Chinese medicine wastewater pretreating process as claimed in claim 1, it is characterised in that：Step（1）
In to waste water adjust pH to 7~9.
3. a kind of high-enriched organics traditional Chinese medicine wastewater pretreating process as claimed in claim 1, it is characterised in that：It is described anti-phase
Demulsifier is cation polyether type surfactant, cationic quaternary ammonium salt form surfactant or oxirane, expoxy propane sun
One or more mixtures in ion polyethers, the addition of every kind of reverse-phase emulsifier is 200~500 g ton waste liquids.
4. a kind of high-enriched organics traditional Chinese medicine wastewater pretreating process as claimed in claim 1, it is characterised in that：The flocculation
Agent is one or more mixtures in HMW polymerization iron chloride, flyash or polymer aluminium silicate, every kind of flocculant
Addition be 1000~3000 g ton waste liquids.
5. a kind of high-enriched organics traditional Chinese medicine wastewater pretreating process as claimed in claim 1, it is characterised in that：The height of addition
The mass concentration of molecular weight salt ion type poly amic acid is 0.02%, and addition is 7~12 liter/ton waste liquids.
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| CN201611247259.1A CN106746233A (en) | 2016-12-29 | 2016-12-29 | A kind of high-enriched organics traditional Chinese medicine wastewater pretreating process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188334A (en) * | 2017-06-27 | 2017-09-22 | 山东新美达科技材料有限公司 | Waste emulsified mixture processing method and processing system |
| CN115448490A (en) * | 2022-08-22 | 2022-12-09 | 亳州城建汉广中医药初加工有限公司 | A water treatment system for herbal pieces-production |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891320A (en) * | 2010-07-12 | 2010-11-24 | 胜利油田森诺胜利工程有限公司 | Treatment method realizing polymer-bearing produced wastewater resource utilization |
| CA2817428A1 (en) * | 2012-06-01 | 2013-12-01 | Concord Produced Water Services, LLC | Modular precipitation and oxidized water treatment |
| CN106007096A (en) * | 2016-07-15 | 2016-10-12 | 嘉兴通惠环保科技有限公司 | Pretreatment technology for textile machine cleaning high-oil-content waste liquor |
-
2016
- 2016-12-29 CN CN201611247259.1A patent/CN106746233A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891320A (en) * | 2010-07-12 | 2010-11-24 | 胜利油田森诺胜利工程有限公司 | Treatment method realizing polymer-bearing produced wastewater resource utilization |
| CA2817428A1 (en) * | 2012-06-01 | 2013-12-01 | Concord Produced Water Services, LLC | Modular precipitation and oxidized water treatment |
| CN106007096A (en) * | 2016-07-15 | 2016-10-12 | 嘉兴通惠环保科技有限公司 | Pretreatment technology for textile machine cleaning high-oil-content waste liquor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188334A (en) * | 2017-06-27 | 2017-09-22 | 山东新美达科技材料有限公司 | Waste emulsified mixture processing method and processing system |
| CN115448490A (en) * | 2022-08-22 | 2022-12-09 | 亳州城建汉广中医药初加工有限公司 | A water treatment system for herbal pieces-production |
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