CN104291491A - Treatment method of high-concentration chemical organic wastewater - Google Patents
Treatment method of high-concentration chemical organic wastewater Download PDFInfo
- Publication number
- CN104291491A CN104291491A CN201410573634.6A CN201410573634A CN104291491A CN 104291491 A CN104291491 A CN 104291491A CN 201410573634 A CN201410573634 A CN 201410573634A CN 104291491 A CN104291491 A CN 104291491A
- Authority
- CN
- China
- Prior art keywords
- wastewater
- treatment method
- treatment
- chemical
- concentration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C02F1/52—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
-
- 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
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a treatment method of a high-concentration chemical organic wastewater, and belongs to the field of chemical wastewater treatment. The invention provides a treatment method which is simple in process, mild in treatment condition and low in cost, aiming at the problem that the conventional treatment method is harsh in reaction condition and relatively high in wastewater treatment cost. According to the treatment method, activated carbon is adopted as a catalyst; H2O2 is adopted as an oxidant; catalytic oxidation pretreatment is carried out on the high-concentration organic wastewater of a chemical plant; and flocculent precipitation is carried out by adjusting the pH of the wastewater and adding a flocculant. The treatment method is simple in process, and high in treatment efficiency on organic pollutants; the COD removal rate of the wastewater is over 70%; and the chroma removing rate is over 80%.
Description
Technical field
The invention belongs to chemical wastewater treatment field.
Background technology
Along with the development of the industries such as medicine, dyestuff, chemical industry, the process of high-concentration hardly-degradable chemical industrial organic wastewater more and more causes the extensive concern of people.Have that concentration is high, toxicity is large, inorganic salt content is high due to this type of waste water and the feature such as biodegradability is poor, be difficult to directly to adopt conventional coagulation, biochemical process processes.Therefore, effective treatment technology of researching and developing high-concentration hardly-degradable chemical industrial organic wastewater has important practical significance.
Fenton reagent oxidation style, Ozonation, photocatalytic oxidation and Wet Catalytic Oxidation Method etc. are extensively studied in the process of high concentrated organic wastewater, and obtain certain progress.But the shortcoming of high-level oxidation technology is severe reaction conditions, and cost for wastewater treatment is higher, be difficult to apply in actual production.
Summary of the invention
The object of this invention is to provide a kind for the treatment of processes simple, the high concentration chemical organic waste water treatment process of obvious processing effect.
The present invention is achieved by the following technical programs: a kind of high concentration chemical organic waste water treatment process, uses H
2sO
4wastewater pH is adjusted to 4, adds gac, then add H
2o
2, H
20
2add-on is 0.8mL/L, gac and H
20
2mass ratio is 0.7, stirs, again wastewater pH is adjusted to 8, adds flocculation agent, flocculation sediment after reaction with the rotating speed of 150 r/min.
Ask to be 120 min during described reaction.
Described flocculation agent is PAC, and add-on is 200 mg/L.
The present invention has following beneficial effect:
Treatment process of the present invention, process is simple, and waste water COD clearance reaches more than 70%, and chroma removal rate is more than 80%.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Specific embodiment: the present invention adopts gac/H
2o
2with carbon compositing catalyst, H during+PAC process waste water
2o
2make oxygenant and catalyzed oxidation pre-treatment is carried out to chemical plant high concentrated organic wastewater, then carry out flocculation sediment by regulating wastewater pH and adding flocculation agent, thus reduce COD and the colourity of waste water.
Concrete steps are for using H
2sO
4wastewater pH is adjusted to 4, adds gac, then add H
2o
2, H
20
2add-on is 0.8mL/L, gac and H
20
2mass ratio is 0.7, stirs, again wastewater pH is adjusted to 8 after reaction, then add polymerize aluminum chloride (PAC) and carry out flocculation sediment with the rotating speed of 150 r/min.
Composition measurement and contrast are carried out to wastewater sample before and after process, analytical results shows, waste water COD clearance can reach more than 70%, chroma removal rate is more than 80%, organic pollutant main in wastewater from chemical industry is N, accelerine, chlorobenzene, dimethyl benzene and 2,6-dimethoxy-4 '-aminopyrimidine.Waste water is through gac/H
2o
2after catalyzed oxidation-flocculence process, the mass concentration of the principal pollutant DMA in waste water can be down to 0.024 mg/L by 2.65 mg/L before treatment, and dimethylbenzene, chlorobenzene etc. be basically eliminate then.
Treatment process described in the embodiment of the present invention, treating processes is simple, and process organic pollutant efficiency is high, and waste water COD clearance can reach more than 70%, and chroma removal rate is more than 80%.
above content is the further description done the present invention in conjunction with concrete embodiment, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (3)
1. a high concentration chemical organic waste water treatment process, is characterized in that: use H
2sO
4wastewater pH is adjusted to 4, adds gac, then add H
2o
2, H
20
2add-on is 0.8mL/L, gac and H
20
2mass ratio is 0.7, stirs, again wastewater pH is adjusted to 8, adds flocculation agent, flocculation sediment after reaction with the rotating speed of 150 r/min.
2. treatment process as claimed in claim 1, is characterized in that: ask to be 120 min during described reaction.
3. the treatment process as described in claim 1 and 2, is characterized in that: described flocculation agent is PAC, and add-on is 200 mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410573634.6A CN104291491A (en) | 2014-10-24 | 2014-10-24 | Treatment method of high-concentration chemical organic wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410573634.6A CN104291491A (en) | 2014-10-24 | 2014-10-24 | Treatment method of high-concentration chemical organic wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104291491A true CN104291491A (en) | 2015-01-21 |
Family
ID=52311484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410573634.6A Pending CN104291491A (en) | 2014-10-24 | 2014-10-24 | Treatment method of high-concentration chemical organic wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104291491A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335997A (en) * | 2016-10-14 | 2017-01-18 | 武汉科技大学 | Carbon nanomaterial and method for removing organic pollutants in water |
| CN112010486A (en) * | 2020-09-07 | 2020-12-01 | 巫协森 | Method and system for treating and recycling cotton dyeing waste dye liquor |
-
2014
- 2014-10-24 CN CN201410573634.6A patent/CN104291491A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335997A (en) * | 2016-10-14 | 2017-01-18 | 武汉科技大学 | Carbon nanomaterial and method for removing organic pollutants in water |
| CN112010486A (en) * | 2020-09-07 | 2020-12-01 | 巫协森 | Method and system for treating and recycling cotton dyeing waste dye liquor |
| CN112010486B (en) * | 2020-09-07 | 2023-01-20 | 巫协森 | Method and system for treating and recycling cotton dyeing waste dye liquor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103787530B (en) | A kind of fracturing outlet liquid processing method | |
| CN104891719A (en) | Method for pre-treating organic industrial wastewater based on ferric-carbon micro-electrolysis activated persulfate | |
| CN101327984A (en) | Multiple-effect pollute-removing water purification agent and use method thereof | |
| CN104030505B (en) | A kind of nonferrous metal mine flotation waste water treatment process | |
| KR101360017B1 (en) | Method of water treatment and system using the same | |
| CN103771662A (en) | Printing and dyeing wastewater treatment process | |
| Smaoui et al. | Evaluation of influence of coagulation/flocculation and Fenton oxidation with iron on landfill leachate treatment | |
| CN103482825A (en) | Method for treating high-ammonia-nitrogen industrial wastewater of denitration catalyst | |
| CN107381892A (en) | A kind of handling process of high-concentration ammonia nitrogenous wastewater | |
| CN104291491A (en) | Treatment method of high-concentration chemical organic wastewater | |
| CN104071939B (en) | Nonferrous metal mine method of wastewater treatment | |
| CN105084602B (en) | A kind of method of the strong brine COD that degrades | |
| CN104030421A (en) | Composite COD remover and wastewater COD removal method using same | |
| CN104445562A (en) | Preparation method of coking wastewater treating agent | |
| CN104058521A (en) | Non-ferrous mine waste water treatment technology | |
| CN102897884A (en) | Composite flocculant as well as preparation method and application thereof on processing printing and dyeing wastewater | |
| CN103121743A (en) | Method for treating reverse osmosis concentrated water generated during urban sewage reuse | |
| CN104058518A (en) | Non-ferrous metal mine wastewater treating method | |
| CN103304113A (en) | Sludge treatment method | |
| CN106892511A (en) | Using the method for magnesia coagulation combination Fenton oxidation Dye Wastewater Treatment | |
| CN104496093B (en) | Method for performing purification treatment on titanium white wastewater by utilizing salt slurry | |
| CN103449635A (en) | Treatment method of reverse osmosis concentrated water of coking wastewater | |
| CN114149100B (en) | Coking wastewater advanced treatment composite medicament and application thereof | |
| CN216377787U (en) | Coking wastewater concentrated water multi-pollution cooperative treatment device | |
| CN102464430A (en) | Method for pretreating trichlorfon wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |
|
| WD01 | Invention patent application deemed withdrawn after publication |