Wastewater pretreatment method

A technology of pretreatment and wastewater, applied in water/sewage multi-stage treatment, neutralized water/sewage treatment, oxidized water/sewage treatment, etc., can solve the problem of impossible biochemical treatment, and achieve improved biodegradability and COD reduction Effect
CN101693571BActive Publication Date: 2011-07-13CHINA PETROCHEMICAL CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA PETROCHEMICAL CORP
Publication Date
2011-07-13

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Abstract

The invention provides a BIPB wastewater pretreatment method which combines the technologies of acid decomposition and oxidation of Fenton reagent to treat BIPB wastewater (especially BIPB reduction wastewater), thus achieving excellent effect, reducing COD greatly and enhancing biodegradability dramatically. The pretreated (primary treatment) BIPB reduction wastewater can be directly subject to secondary biochemical treatment after being neutralized. The method is economical and practical and is suitable for industry-scale waste treatment.
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Description

technical field

[0001] The invention belongs to the field of waste water treatment, in particular to the pretreatment of BIPB waste water. Background technique

[0002] Bis-(tert-butylperoxyisopropyl)benzene (BIPB for short) is widely used as a plastic crosslinking agent and a vulcanizing agent in rubber. The biggest feature of BIPB is that it does not produce odor during the cross-linking process, so it is called "odorless DCP". BIPB is currently selling well in domestic and foreign markets, and has good economic benefits. After continuous technological transformation, the output of BIPB of Sinopec Gaoqiao Branch can reach 400 tons per year. However, producing one ton of BIPB produces a considerable amount of process wastewater.

[0003] With the development of society, people's awareness of environmental protection is getting stronger and stronger, the country and Shanghai have higher and higher requirements for environmental protection, and the control of wastewater dis...

Claims

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