CN111072120A - O-aminobenzene and m-aminobenzene wastewater treatment agent and wastewater treatment method - Google Patents
O-aminobenzene and m-aminobenzene wastewater treatment agent and wastewater treatment method Download PDFInfo
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- CN111072120A CN111072120A CN201811223734.0A CN201811223734A CN111072120A CN 111072120 A CN111072120 A CN 111072120A CN 201811223734 A CN201811223734 A CN 201811223734A CN 111072120 A CN111072120 A CN 111072120A
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- aminobenzene
- wastewater treatment
- treatment agent
- complexing
- phosphate
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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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- 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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- 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)
- Physical Water Treatments (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses an o-aminobenzene and m-aminobenzene wastewater treatment agent which comprises the following components in percentage by weight: 10-50% of complexing agent extraction compound and 50-90% of complexing extractant diluent; the complexing agent extraction compound is composed of one or more of diisooctyl phosphate, 2-ethylhexyl phosphate, tributyl phosphate (TBP), trioctyl phosphate, trioctylphosphine oxide, di (2-ethylhexyl phosphate) mono (2-ethylhexyl phosphate) and trioctyl/decyl tertiary amine, and the complexing extractant diluent is composed of one or more of kerosene, sulfonated kerosene, n-hexane and dodecanol random polyether. The o-aminobenzene and m-aminobenzene wastewater treatment agent provided by the invention has the advantages of good treatment effect, high efficiency and no secondary pollution.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an o-aminobenzene wastewater treatment agent and a m-aminobenzene wastewater treatment method.
Background
The process waste water produced in the production process of o-aminobenzene and m-aminobenzene as raw materials and products usually contains high acid, high salt and high COD, and the biochemical method and the physical and chemical method have no obvious beneficial treatment effect on the process waste water. The prior art generally adopts a physical and chemical method for treatment, but the prior physical and chemical method can not meet the requirements of water quality discharge and nanotube treatment, and can only discharge and nanotube treatment after dilution.
Disclosure of Invention
The invention aims to provide the o-aminobenzene and m-aminobenzene wastewater treatment agent and the wastewater treatment method aiming at the defects of the process wastewater treatment agent and the treatment method generated in the production process of taking o-aminobenzene and m-aminobenzene as raw materials and products.
In order to achieve the purpose, the invention adopts the following technical scheme:
an o-aminobenzene wastewater treatment agent comprises the following components in percentage by weight: 10-50% of complexing agent extraction compound and 50-90% of complexing extractant diluent; the complexing agent extraction compound is composed of one or more of diisooctyl phosphate, 2-ethylhexyl phosphate, tributyl phosphate (TBP), trioctyl phosphate, trioctylphosphine oxide, di (2-ethylhexyl phosphate) mono (2-ethylhexyl phosphate) and trioctyl/decyl tertiary amine, and the complexing extractant diluent is composed of one or more of kerosene, sulfonated kerosene, n-hexane and dodecanol random polyether.
The invention also provides a method for treating the o-aminobenzene and m-aminobenzene wastewater, which comprises the following steps:
s1, sequentially adding 10-50% of complexing agent extraction compound and 50-90% of complexing extraction agent diluent into a reaction kettle, and stirring for reaction for 10-100 minutes to obtain the o-aminobenzene wastewater treatment agent and the m-aminobenzene wastewater treatment agent;
and S2, stirring the o-aminobenzene wastewater treatment agent and the m-aminobenzene wastewater treatment agent obtained in the step S1 and the o-aminobenzene wastewater to be treated for reaction for 10-100 minutes, and performing complex extraction to remove pollutants.
And S3, mixing and stirring the treated o-aminobenzene wastewater obtained in the step S2 and the o-aminobenzene wastewater treatment agent for reaction for 10-100 minutes, and performing complexing extraction again to remove pollutants.
Further, the volume ratio of the o-aminobenzene wastewater treatment agent to the m-aminobenzene wastewater treatment agent in the steps S2 and S3 is 1: 1.
compared with the prior art, the invention has the following beneficial effects:
1. the o-aminobenzene and m-aminobenzene wastewater treatment agent provided by the invention has good treatment effect and high efficiency; after the complex extraction, the back extraction can be realized only by changing the temperature or the pH value, the complex extractant can be reused, and no secondary pollution is generated.
2. The method for treating the o-aminobenzene wastewater and the m-aminobenzene wastewater provided by the invention is simple to operate, can realize rapid removal of pollutants, and the treated wastewater meets the nano-tube requirement.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the following will be further described with reference to various embodiments.
Example 1
The o-aminobenzene and m-aminobenzene wastewater treatment agent comprises the following components in percentage by weight: 25 wt% of diisooctyl phosphate (P-204) and 75 wt% of kerosene.
The preparation method of the o-aminobenzene and m-aminobenzene wastewater treatment agent comprises the following steps: and (3) sequentially adding 25 wt% of diisooctyl phosphate (P-204) and 75 wt% of kerosene into the reaction kettle, and stirring for reacting for 100 minutes to obtain the o-aminobenzene wastewater treatment agent and the m-aminobenzene wastewater treatment agent.
Example 2
The o-aminobenzene and m-aminobenzene wastewater treatment agent comprises the following components in percentage by weight: 2-ethylhexyl phosphate (P-507)25 wt% and sulfonated kerosene 75 wt%.
Example 3
The o-aminobenzene and m-aminobenzene wastewater treatment agent comprises the following components in percentage by weight: tributyl phosphate (TBP)25 wt% and n-hexane 75 wt%.
Example 4
The o-aminobenzene and m-aminobenzene wastewater treatment agent comprises the following components in percentage by weight: trioctyl phosphate (TOP)25 wt% and dodecanol 75 wt%.
Example 5
The o-aminobenzene and m-aminobenzene wastewater treatment agent comprises the following components in percentage by weight: trioctylphosphine oxide (TOPO)25 wt% and atactic polyether 75 wt%.
Example 6
The o-aminobenzene and m-aminobenzene wastewater treatment agent comprises the following components in percentage by weight: bis (2-ethylhexyl phosphate) (D2EHPA)5 wt% and kerosene 75 wt%
Example 7
The o-aminobenzene and m-aminobenzene wastewater treatment agent comprises the following components in percentage by weight: trioctyl/decyl tertiary amine (N235/7301)5 wt% and sulfonated kerosene 75 wt%
Example 8
The o-aminobenzene and m-aminobenzene wastewater treatment agent comprises the following components in percentage by weight: bis (2-ethylhexyl phosphate) mono (2-ethylhexyl ester) (HEHEHEHP) 5 wt% and kerosene 75 wt%
Example 9
The o-aminobenzene wastewater treatment agent in example 7 was used to treat industrial wastewater containing saturated sodium sulfate and o-aminobenzene and m-aminobenzene, and the COD of the wastewater was about 20000 mg/L.
The first step of the process comprises the following steps: stirring and reacting the o-aminobenzene wastewater treatment agent and the m-aminobenzene wastewater to be treated for 100 minutes, and removing pollutants by complexing extraction; wherein the volume ratio of the o-aminobenzene wastewater treatment agent to the m-aminobenzene wastewater treatment agent to the industrial wastewater of the chemical enterprises is 1: 1.
and (3) reducing COD (chemical oxygen demand) to 6000mg/L after the production wastewater of the chemical enterprises is treated, and carrying out secondary treatment on the wastewater subjected to the first step of treatment.
The second treatment step is as follows: stirring and reacting the o-aminobenzene wastewater treatment agent and the m-aminobenzene wastewater treated in the first step for 100 minutes, and performing complexing extraction to remove pollutants; wherein the volume ratio of the o-aminobenzene wastewater treatment agent to the m-aminobenzene wastewater treatment agent to the industrial wastewater of the chemical enterprises is 1: 1.
after the secondary treatment, the COD of the production wastewater is reduced to 400mg/L, and the level of nano-tubes is met.
The foregoing detailed description is given by way of example only, to better enable one of ordinary skill in the art to understand the patent, and is not to be construed as limiting the scope of what is encompassed by the patent; any equivalent alterations or modifications made according to the spirit of the disclosure of this patent are intended to be included in the scope of this patent.
Claims (3)
1. An o-aminobenzene wastewater treatment agent and a m-aminobenzene wastewater treatment agent are characterized by comprising the following components in percentage by weight: 10-50% of complexing agent extraction compound and 50-90% of complexing extractant diluent; the complexing agent extraction compound is composed of one or more of diisooctyl phosphate, 2-ethylhexyl phosphate, tributyl phosphate (TBP), trioctyl phosphate, trioctylphosphine oxide, di (2-ethylhexyl phosphate) mono (2-ethylhexyl phosphate) and trioctyl/decyl tertiary amine, and the complexing extractant diluent is composed of one or more of kerosene, sulfonated kerosene, n-hexane and dodecanol random polyether.
2. The method for treating waste water of o-aminobenzene and m-aminobenzene as claimed in claim 1, comprising the steps of:
s1, sequentially adding 10-50% of complexing agent extraction compound and 50-90% of complexing extraction agent diluent into a reaction kettle, and stirring for reaction for 10-100 minutes to obtain the o-aminobenzene wastewater treatment agent and the m-aminobenzene wastewater treatment agent;
and S2, mixing and stirring the o-aminobenzene wastewater treatment agent and the m-aminobenzene wastewater to be treated obtained in the step S1 for reaction for 10-100 minutes, and performing complex extraction to remove pollutants.
And S3, mixing and stirring the treated o-aminobenzene wastewater obtained in the step S2 and the o-aminobenzene wastewater treatment agent for reaction for 10-100 minutes, and performing complexing extraction again to remove pollutants.
3. The method for treating waste water of o-aminobenzene or m-aminobenzene as claimed in claim 2, wherein the volume ratio of the waste water treating agent of o-aminobenzene or m-aminobenzene to the waste water of o-aminobenzene or m-aminobenzene in steps S2 and S3 is 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811223734.0A CN111072120A (en) | 2018-10-19 | 2018-10-19 | O-aminobenzene and m-aminobenzene wastewater treatment agent and wastewater treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811223734.0A CN111072120A (en) | 2018-10-19 | 2018-10-19 | O-aminobenzene and m-aminobenzene wastewater treatment agent and wastewater treatment method |
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| CN111072120A true CN111072120A (en) | 2020-04-28 |
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| CN201811223734.0A Pending CN111072120A (en) | 2018-10-19 | 2018-10-19 | O-aminobenzene and m-aminobenzene wastewater treatment agent and wastewater treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247983A (en) * | 2021-06-10 | 2021-08-13 | 北京惠宇乐邦环保科技有限公司 | Coupling complexing extraction agent composition and method for treating triazone production wastewater |
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| CN107021537A (en) * | 2017-03-14 | 2017-08-08 | 北京惠宇乐邦环保科技有限公司 | A kind of naphthoic acid of 2 hydroxyl 3 produces the processing method of waste water |
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2018
- 2018-10-19 CN CN201811223734.0A patent/CN111072120A/en active Pending
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| CN102161546A (en) * | 2010-12-31 | 2011-08-24 | 河南省华鼎高分子合成树脂有限公司 | Method for processing production effluent of maleimide compound |
| CN103922507A (en) * | 2014-04-21 | 2014-07-16 | 中蓝连海设计研究院 | Method for treating TDA wastewater through complexing extraction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247983A (en) * | 2021-06-10 | 2021-08-13 | 北京惠宇乐邦环保科技有限公司 | Coupling complexing extraction agent composition and method for treating triazone production wastewater |
| CN113247983B (en) * | 2021-06-10 | 2021-10-08 | 北京惠宇乐邦环保科技有限公司 | Coupling complexing extraction agent composition and method for treating triazone production wastewater |
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Application publication date: 20200428 |