Waste water treatment process in sebacic acid production

Waste water treatment process in sebacic acid production

The invention relates to a waste water treatment process in sebacic acid production. The process comprises the following steps: adopting an extractant to extract phenol in waste water, separating the phenol-containing extracted solution and a raffinate, carrying out dephenolizing and reutilizing on...

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Hauptverfasser: XING WENLAN, MA SHIFENG, DUAN HONGLIANG, ZHANG RUICHAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator XING WENLAN
MA SHIFENG
DUAN HONGLIANG
ZHANG RUICHAO
description The invention relates to a waste water treatment process in sebacic acid production. The process comprises the following steps: adopting an extractant to extract phenol in waste water, separating the phenol-containing extracted solution and a raffinate, carrying out dephenolizing and reutilizing on the phenol-containing extracted solution, and discharging the raffinate, wherein DL-2-octanol is adopted as the extractant to extract the phenol-containing waste water in sebacic acid production in the extraction process. The process of the present invention has the following advantages that: 1, the phenol content in the sebacic acid production waste water is significantly reduced, and the waste water after the extraction can meet the discharge standard; 2, with the extractant DL-2-octanol, an internal circulation of the production system is realized; and 3, the DL-2-octanol is the by-product of the sebacic acid production process, such that advantages of easily available DL-2-octanol, low cost and low operation co
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Waste water treatment process in sebacic acid production
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