Treatment and reclamation process of production waste water of tert-amyl peroxypivalate

A technology for the oxidation of pivaloate pivalate and production wastewater, which is applied in the fields of sulfur trioxide/sulfuric acid, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., and can solve the problem of high concentration of organic peroxides in wastewater , waste, no effect and other problems, to achieve the effect of resource utilization, high purity and good quality

Inactive Publication Date: 2011-06-15
NORTHWEST NORMAL UNIVERSITY
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Problems solved by technology

[0006] The disadvantages of this treatment process are: the concentration of organic peroxide wastewater is high, the organic matter obtained by acidification and separation must be diluted with diesel oil and then incinerated, resources are not recovered, and the waste is serious
In addition, this treatment process is only suitable for the tr

Method used

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Embodiment Construction

[0029] The following is a detailed description of the waste water treatment and recycling process of pivalate peroxypivalate (initiator PV) production of the present invention through specific examples.

[0030] (1) Production intermediate - tert-butyl peroxide waste acid treatment

[0031] Collect the primary waste acid produced by 14 liters of tert-butyl peroxybenzoate from the outfall of the production unit. Among them, containing sulfuric acid> 40%, COD cr =109024.16mg / L. Add 14 grams of sodium sulfite to the waste acid (1 gram of sodium sulfite per liter of waste water), slowly heat to about 30°C, stir for 1.5 to 2.0 hours, and then distill at atmospheric pressure. The distillate is condensed, cooled to room temperature and separated into layers. The upper organic phase mainly contains tert-butanol and tert-butyl peroxide. After distillation and dehydration using heterogeneous phase separation technology, 1100ml of a mixture of tert-butanol and tert-butyl peroxide is ob...

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Abstract

The invention discloses a treatment and reclamation process of production waste water of tert-amyl peroxypivalate (inhibitor PV), belonging to the technical field of industrial waste water treatment. The process comprises: collecting high-concentration waste water from the drain outlet of a production device, and carrying out stabilization treatment on the high-concentration waste water so as to basically eliminate the risk of severe decomposition of organic peroxides in the waste water; and then separating and recovering tertiary butanol, pero-tertiary butyl, pivalic acid and sodium chloride which meet the industrial quality requirement from the waste water, thereby achieving the recovery and reclamation utilization of pollutants in organic peroxide production waste water. By utilizing the process, organisms are removed, and the waste water of acid and salt is subjected to hydrolysis-contact oxidization treatment and then is subjected to C-Fe micro-electrolysis decoloring treatment, thus the main indexes of discharged water reach the requirement of Chemical Synthesis Pharmacy Industrial Waste Water Pollutant Emission Standard (GB21904-2008) on water pollutant emission limit value of new built enterprises.

Description

technical field [0001] The invention belongs to the technical field of industrial wastewater treatment, and relates to a process for the treatment and recycling of organic peroxide production wastewater, in particular to a pivalyl peroxypivalate （ Initiator PV ） Production wastewater treatment and recycling process. Background technique [0002] Pivalyl peroxy pivalate (initiator PV) is a high-efficiency initiator for high-pressure tubular or tank polymerization of ethylene, used for suspension polymerization initiators of acrylates and methacrylates; also vinyl acetate (EVA) important triggers. [0003] The production process of pivalate peroxypivalate is carried out intermittently, and the quality and quantity of wastewater, organic matter concentration, pH, salt content, BOD / CDO value, etc. vary with the production scale and time, and the peak and valley values ​​vary greatly. Pivalyl peroxypivalate is thermally unstable and easily decomposes at an accelerated rate, an...

Claims

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Application Information

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IPC IPC(8): C02F9/14C01D3/04C01B17/90C07C53/128C07C51/02
Inventor 胡昌秋胡冰牛克彦丛子晶胡生隆王建民张莉孙振洲刘建业
Owner NORTHWEST NORMAL UNIVERSITY
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