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作者:

郭静 (郭静.) | 刘峰 (刘峰.)

收录:

CQVIP

摘要:

针对具有有机物含量高、成分复杂、碱度大、可生化性差以及色度高等特点的印染废水,本文采用混凝沉淀–水解酸化–好氧工艺进行了中试规模的处理。运行结果表明,中试系统稳定运行120 d,在进水CODcr 1365 mg/L的情况下,厌氧水解池出水CODcr平均值为600 mg/L,平均去除率24%,B/C由0.2提升至0.33~0.63,厌氧水解池提高了废水的可生化性。好氧池出水CODcr平均值为192 mg/L,系统CODcr总去除率平均值为84%,效果显著。TN、TP的出水均值为31.95 mg/L、1.1 mg/L,平均去除率分别为76%、81%。该工艺具有耐冲击负荷,易操作,简单成熟等优点。Based on high organic content, complex composition, high alkalinity, poor biodegradability, higher chromi-nance of printing and dyeing wastewater, this paper adopted coagulation precipitation-hydrolysis acidification-aerobic process for pilot scale processing. The result of the experiment, which was operated stably for 120 days, showed that the final effluent concentration of anaerobic tank was 600 mg/L with removal efficiency 24% in the flooding water of CODcr 1365 mg/L.B/C was promoted from 0.2 to 0.33 - 0.63, which meant higher biodegradability. The final CODcr effluent concentration of aerobic pond was 192 mg/L. The total CODcr removal efficiency was 84% that had a signifi-cant effect. The final effluent concentration of TN, TP was 31.95 mg/L, 1.1 mg/L, the average removal rate was 76% and 81% respectively. This technology has advantages of impact resistance, easy operation, simple mature etc.

关键词:

Coagulate Hydrolytic Acidification 印染废水 水解酸化Dyeing Wastewater 混凝沉淀

作者机构:

  • [ 1 ] [郭静]北京工业大学水质科学与水环境恢复工程北京市重点实验室,北京
  • [ 2 ] [刘峰]北京工业大学水质科学与水环境恢复工程北京市重点实验室,北京

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来源 :

化学工程与技术

ISSN: 2161-8844

年份: 2013

期: 02

卷: 3

页码: 72-75

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WoS核心集被引频次: 0

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万方被引频次: -1

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