CN107117739A - A kind of polyphenylene sulfide produces utilization of wastewater resource method - Google Patents
A kind of polyphenylene sulfide produces utilization of wastewater resource method Download PDFInfo
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- CN107117739A CN107117739A CN201710355740.0A CN201710355740A CN107117739A CN 107117739 A CN107117739 A CN 107117739A CN 201710355740 A CN201710355740 A CN 201710355740A CN 107117739 A CN107117739 A CN 107117739A
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- Prior art keywords
- polyphenylene sulfide
- waste water
- hydrogen peroxide
- solution
- utilization
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- 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
- 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
- C02F2103/36—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 manufacture of organic compounds
- C02F2103/38—Polymers
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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
Abstract
Utilization of wastewater resource method is produced the present invention relates to a kind of polyphenylene sulfide, methods described comprises the following steps：（1）First take a certain amount of polyphenylene sulfide production waste water, and polyphenylene sulfide is produced into waste water water bath with thermostatic control heating stirring, again with salt acid for adjusting pH to 2.3~2.7, it is incubated under reaction temperature after 0.5~1h, then the mixed solution of copperas solution and hydrogen peroxide is added, copperas solution and hydrogen peroxide, which are added, finishes 0.5~1h of follow-up continuation of insurance temperature；（2）Then to step（1）Production waste water after processing adds sodium hydroxide and adjusts pH to 8.0~8.4, is cooled to 18~20 DEG C of progress suction filtrations, and filter cake is iron cement solid waste, detects filtrate.The advantage of the invention is that：Pass through the mixed solution poly-p-phenylene sulfide ether production wastewater treatment of copperas solution and hydrogen peroxide, and the technological parameter condition in strict control process method, so that the waste water after processing can be used as the raw material of chlor-alkali plant production chlorine and caustic soda, so as to realize the purpose of utilization of wastewater resource.
Description
Technical field
The invention belongs to technical field of waste water processing, more particularly to a kind of polyphenylene sulfide production utilization of wastewater resource side
Method.
Background technology
Sodium sulfide method is a kind of polyphenylene sulfide production method commonly used both at home and abroad at present, sodium sulfide method production polyphenylene sulfide
During can produce a large amount of polyphenylene sulfides production waste water, polyphenylene sulfide production waste water has that variation water quality amount is big, biodegradability is poor,
Composition is more complicated, containing a large amount of phenyl ring classes, heterocycle type organic, and COD contents are big（COD values are up to 6000~10000mg/
L）It is one of typical difficult industrial wastewater etc. feature.
Also handle polyphenylene sulfide production waste water without suitable method both at home and abroad at present, dirt easily not only is caused to environment
Dye, and seriously limit the industrialized production of polyphenylene sulfide.In industrial water and sewage treatment area, polyaluminium
Aluminium（Referred to as " PAC "）With non-ionic high polymer coagulant（Referred to as " PAM "）It is conventional flocculant.
For above-mentioned phenomenon, the A of patent CN 105036454 disclose a kind of polyphenylene sulfide production wastewater deepening processing side
Method, comprises the following steps：（1）Take polyphenylene sulfide to produce waste water, by the regulation of PH values to 7~10, add PAC stirrings
30~60 minutes, PAM is added, supernatant is taken after settling；（2）Supernatant PH values are adjusted to 4~6, then entered
Row iron-carbon micro-electrolysis takes supernatant after handling 2~6 hours；（3）The PH values of supernatant are adjusted to 7~10,
Add PAC to stir 30~60 minutes, add PAM, supernatant is taken after settling；（4）Add into supernatant and live
Property sludge after stir 6~24 hours, the addition of activated sludge is step（3）The 20 of the supernatant weight of acquirement~
80% ；（5）Carry out oxygenic aeration to centrifuge after 32~40 hours, obtain activated sludge and produced with qualified polyphenylene sulfide
Waste water.The present invention has the advantages that can be by polyphenylene sulfide production wastewater treatment into acceptable industrial waste water.But by the processing method,
Emission treatment can only be carried out, it is impossible to carry out recycling.
The content of the invention
Utilization of wastewater resource method is produced the technical problem to be solved in the present invention is to provide a kind of polyphenylene sulfide, has been solved
The problem of prior art is present.
In order to solve the above technical problems, the technical scheme is that：A kind of polyphenylene sulfide produces utilization of wastewater resource
Method, its innovative point is：Methods described comprises the following steps：
（1）A certain amount of polyphenylene sulfide production waste water is first taken, and polyphenylene sulfide production waste water is stirred with 68~72 DEG C of heating water baths
Mix 30~60min, then with salt acid for adjusting pH to 2.3~2.7, under reaction temperature after 0.5~1h of insulation, then divide 8~10 batches
The secondary mixed solution for adding copperas solution and hydrogen peroxide, the addition of each mixed solution produces waste water weight for polyphenylene sulfide
The 0.1~1% of amount, copperas solution and hydrogen peroxide, which are added, finishes 0.5~1h of follow-up continuation of insurance temperature；
（2）Then to step（1）Production waste water after processing adds sodium hydroxide and adjusts pH to 8.0~8.4, is cooled to 18~20
DEG C suction filtration is carried out, filter cake is iron cement solid waste, detects filtrate, TOC ＜ 120mg/L, Fe mass concentration ＜ 3.5mg/L in filtrate, when,
Waste water recoverable after then handling, if filtrate can not meet requirements, continuously adds mixing for copperas solution and hydrogen peroxide
Close solution and repeat the above step, required until meeting.
Further, copperas solution and dioxygen water substance in the mixed solution of the copperas solution and hydrogen peroxide
The ratio of amount is 1:18~24.
Further, the hydrochloric acid is from the hydrochloric acid that mass percentage concentration is 20~30%.
The advantage of the invention is that：Polyphenylene sulfide of the present invention produces utilization of wastewater resource method, molten by ferrous sulfate
The mixed solution poly-p-phenylene sulfide ether production wastewater treatment of liquid and hydrogen peroxide, ozone can be produced during being somebody's turn to do, and can coordinate lifting examination
Technological parameter condition in the oxidative degradation ability of agent, and strict control process method, so enable processing after waste water
Meet and reclaim emission request, waste water after treatment can be used as the raw material that chlor-alkali plant produces chlorine and caustic soda, so as to realize useless
The purpose that recycling of water resource is utilized.
Embodiment
The following examples can make professional and technical personnel that the present invention is more fully understood, but therefore not send out this
It is bright to be limited among described scope of embodiments.
Embodiment 1
The present embodiment polyphenylene sulfide produces utilization of wastewater resource method, and methods described comprises the following steps：
（1）First take 200kg polyphenylene sulfide to produce waste water, and polyphenylene sulfide production waste water is stirred with 70 DEG C of heating water baths
30min, then with mass percentage concentration for 25% salt acid for adjusting pH to 2.5, under reaction temperature after insulation 0.7h, then divide 10
Batch admixture mass ratio is 1:18~24 copperas solution and the mixed solution of hydrogen peroxide, the addition of each mixed solution
Produce waste water weight for polyphenylene sulfide 0.1% is measured, copperas solution and hydrogen peroxide, which are added, finishes follow-up continuation of insurance temperature 0.8h；
（2）Then to step（1）Production waste water after processing adds sodium hydroxide and adjusts pH to 8.2, is cooled to 19 DEG C and is taken out
Filter, filter cake is iron cement solid waste, detects TOC ＜ 120mg/L, Fe mass concentration ＜ 3.5mg/L in filtrate, filtrate, when, then after handling
Waste water recoverable, if filtrate can not meet requirement, continuously add the mixed solution weight of copperas solution and hydrogen peroxide
Multiple above-mentioned process step, is required until meeting.
Embodiment 2
The present embodiment polyphenylene sulfide produces utilization of wastewater resource method, and methods described comprises the following steps：
（1）First take 200kg polyphenylene sulfide to produce waste water, and polyphenylene sulfide production waste water is stirred with 72 DEG C of heating water baths
60min, then with mass percentage concentration for 30% salt acid for adjusting pH to 2.7, under reaction temperature after insulation 1h, then divide 8 batches
Admixture mass ratio is 1:18~24 copperas solution and the mixed solution of hydrogen peroxide, the addition of each mixed solution is
The 1% of polyphenylene sulfide production waste water weight, copperas solution and hydrogen peroxide, which are added, finishes follow-up continuation of insurance temperature 1h；
（2）Then to step（1）Production waste water after processing adds sodium hydroxide and adjusts pH to 8.0, is cooled to 18 DEG C and is taken out
Filter, filter cake is iron cement solid waste, detects TOC ＜ 120mg/L, Fe mass concentration ＜ 3.5mg/L in filtrate, filtrate, when, then after handling
Waste water recoverable, if filtrate can not meet requirement, continuously add the mixed solution weight of copperas solution and hydrogen peroxide
Multiple above-mentioned process step, is required until meeting.
Embodiment 3
The present embodiment polyphenylene sulfide produces utilization of wastewater resource method, and methods described comprises the following steps：
（1）First take 200kg polyphenylene sulfide to produce waste water, and polyphenylene sulfide production waste water is stirred with 68 DEG C of heating water baths
45min, then with mass percentage concentration for 20% salt acid for adjusting pH to 2.3, under reaction temperature after insulation 0.5h, then divide 9 batches
Secondary admixture mass ratio is 1:18 copperas solution and the mixed solution of hydrogen peroxide, the addition of each mixed solution is poly-
The 0.6% of diphenyl sulfide production waste water weight, copperas solution and hydrogen peroxide, which are added, finishes follow-up continuation of insurance temperature 0.5h；
（2）Then to step（1）Production waste water after processing adds sodium hydroxide and adjusts pH to 8.4, is cooled to 20 DEG C and is taken out
Filter, filter cake is iron cement solid waste, detects TOC ＜ 120mg/L, Fe mass concentration ＜ 3.5mg/L in filtrate, filtrate, when, then after handling
Waste water recoverable, if filtrate can not meet requirement, continuously add the mixed solution weight of copperas solution and hydrogen peroxide
Multiple above-mentioned process step, is required until meeting.
The polyphenylene sulfide of above-described embodiment 1~3 produces utilization of wastewater resource method, and each processing testing result see the table below.
| Item detection | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Before processing（TOC）/（mg/L） | 1940 | 1940 | 1940 |
| After processing（TOC）/（mg/L） | 113 | 116 | 112 |
| TOC clearances | 94.18% | 94.02% | 94.23% |
| After processing（Fe）/（mg/L） | 3.4 | 3.5 | 3.2 |
| After processing（SO4 2-）/（mg/L） | 3.5 | 3.5 | 3.5 |
As can be seen from the above table, by the processing method of embodiment 1~3, the waste water after must handling disclosure satisfy that recovery discharge
It is required that, waste water after treatment can be used as the raw material that chlor-alkali plant produces chlorine and caustic soda, so as to realize utilization of wastewater resource
Purpose；And each embodiment is compared, the treatment effect of embodiment 3 is optimal, thus embodiment 3 is most preferred embodiment.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The skill of the industry
Art personnel are it should be appreciated that the present invention is not limited to the above embodiments, and described in above-described embodiment and specification is explanation
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (3)
1. a kind of polyphenylene sulfide produces utilization of wastewater resource method, it is characterised in that：Methods described comprises the following steps：
（1）A certain amount of polyphenylene sulfide production waste water is first taken, and polyphenylene sulfide production waste water is stirred with 68~72 DEG C of heating water baths
Mix 30~60min, then with salt acid for adjusting pH to 2.3~2.7, under reaction temperature after 0.5~1h of insulation, then divide 8~10 batches
The secondary mixed solution for adding copperas solution and hydrogen peroxide, the addition of each mixed solution produces waste water weight for polyphenylene sulfide
The 0.1~1% of amount, copperas solution and hydrogen peroxide, which are added, finishes 0.5~1h of follow-up continuation of insurance temperature；
（2）Then to step（1）Production waste water after processing adds sodium hydroxide and adjusts pH to 8.0~8.4, is cooled to 18~20
DEG C suction filtration is carried out, filter cake is iron cement solid waste, detects filtrate, TOC ＜ 120mg/L, Fe mass concentration ＜ 3.5mg/L in filtrate, when,
Waste water recoverable after then handling, if filtrate can not meet requirements, continuously adds mixing for copperas solution and hydrogen peroxide
Close solution and repeat the above step, required until meeting.
2. polyphenylene sulfide according to claim 1 produces utilization of wastewater resource method, it is characterised in that：The sulfuric acid is sub-
Copperas solution and the ratio of hydrogen peroxide amount of substance are 1 in the mixed solution of ferrous solution and hydrogen peroxide:18~24.
3. polyphenylene sulfide according to claim 1 produces utilization of wastewater resource method, it is characterised in that：The hydrochloric acid choosing
With the hydrochloric acid that mass percentage concentration is 20~30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710355740.0A CN107117739A (en) | 2017-05-19 | 2017-05-19 | A kind of polyphenylene sulfide produces utilization of wastewater resource method |
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| CN201710355740.0A CN107117739A (en) | 2017-05-19 | 2017-05-19 | A kind of polyphenylene sulfide produces utilization of wastewater resource method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040302A (en) * | 2009-10-21 | 2011-05-04 | 中国石油化工股份有限公司 | Treatment method of nitrochlorobenzene production wastewater |
| CN102417263A (en) * | 2010-09-28 | 2012-04-18 | 中国石油化工股份有限公司 | Method for processing wastewater from nitrochlorobenzene production |
| CN105036454A (en) * | 2015-06-10 | 2015-11-11 | 张家港市新盛新材料有限公司 | Polyphenylene sulfide production wastewater deep treatment method |
| CN205011559U (en) * | 2015-07-23 | 2016-02-03 | 重庆泰克环保科技股份有限公司 | Polyphenylene sulfide effluent disposal system |
| CN105693019A (en) * | 2016-02-19 | 2016-06-22 | 山东华鸿化工有限公司 | System and method for treating wastewater containing nitrobenzene, aniline and cyclohexylamine |
-
2017
- 2017-05-19 CN CN201710355740.0A patent/CN107117739A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040302A (en) * | 2009-10-21 | 2011-05-04 | 中国石油化工股份有限公司 | Treatment method of nitrochlorobenzene production wastewater |
| CN102417263A (en) * | 2010-09-28 | 2012-04-18 | 中国石油化工股份有限公司 | Method for processing wastewater from nitrochlorobenzene production |
| CN105036454A (en) * | 2015-06-10 | 2015-11-11 | 张家港市新盛新材料有限公司 | Polyphenylene sulfide production wastewater deep treatment method |
| CN205011559U (en) * | 2015-07-23 | 2016-02-03 | 重庆泰克环保科技股份有限公司 | Polyphenylene sulfide effluent disposal system |
| CN105693019A (en) * | 2016-02-19 | 2016-06-22 | 山东华鸿化工有限公司 | System and method for treating wastewater containing nitrobenzene, aniline and cyclohexylamine |
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