化工园区爆炸事故高苯胺河水脱毒预处理技术比较与应用

宋玉栋; 吴昌永; 王盼新; 孙晨; 张恒亮; 于茵; 虢清伟; 宋永会

doi:10.12153/j.issn.1674-991X.20210400

化工园区爆炸事故高苯胺河水脱毒预处理技术比较与应用

doi: 10.12153/j.issn.1674-991X.20210400

宋玉栋^{1, 2,},
吴昌永^{1, 2},
王盼新^{1, 2},
孙晨^{1, 3},
张恒亮^{1, 3},
于茵^{1, 2},
虢清伟⁴,
宋永会^1, ,

1.
环境基准与风险评估国家重点实验室, 中国环境科学研究院
2.
中国环境科学研究院环境污染控制工程技术研究中心
3.
中国环境科学研究院水生态环境研究所
4.
生态环境部华南环境科学研究所

基金项目: 国家重点研发计划项目（2020YFE0201500）；中央级公益性科研院所基本科研业务专项（2020YSKY-022）

详细信息

作者简介:
宋玉栋（1982—），男，研究员，博士，长期从事水污染控制技术研究，songyd@craes.org.cn

通讯作者:
宋永会（1967—），男，研究员，博士，主要从事水污染控制技术研究， songyh@craes.org.cn

中图分类号: X505
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- 被引次数: 0
出版历程
- 收稿日期: 2021-08-11

Comparison and application of detoxification pretreatment technology for high-aniline river water polluted by a chemical industry park explosion accident

SONG Yudong^{1, 2
,},
WU Changyong^{1, 2},
WANG Panxin^{1, 2},
SUN Chen^{1, 3},
ZHANG Hengliang^{1, 3},
YU Yin^{1, 2},
GUO Qingwei⁴,
SONG Yonghui^{1
, ,}

1.
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences
2.
Research Center of Environmental Pollution Control Engineering Technology, Chinese Research Academy of Environmental Sciences
3.
Institute of Water Ecology and Environment, Chinese Research Academy of Environmental Sciences
4.
South China Institute of Environmental Science, Ministry of Ecology and Environment

摘要

摘要: 江苏某化工园区发生爆炸，造成周边河道积聚大量高苯胺河水，该类受污染河水具有较高的活性污泥抑制性，需在进入园区污水处理厂应急处理前进行脱毒预处理。研究对比了芬顿氧化法、活性炭吸附法和生物处理法对受污染河水的预处理效果。结果表明，芬顿氧化法处理效率较高、运行成本中等，且现场处理设施易于改造利用，最终被选为高苯胺河水的脱毒预处理工艺。实际应急处置工程运行效果表明，芬顿氧化预处理实现了重污染河水中苯胺类的有效去除，在苯胺类浓度为30~90 mg/L的情况下，批次出水苯胺类浓度基本稳定在1 mg/L以下，保证了园区污水处理厂的稳定运行，最终实现其出水达标。
- 高苯胺河水 /
- 化工园区 /
- 事故污染 /
- 脱毒预处理 /
- 技术比较 /
- 芬顿氧化
Abstract: An explosion occurred in a chemical industry park in Jiangsu Province, causing a large amount of high-aniline river water to accumulate in the surrounding rivers, which had high inhibition against activated sludge. Detoxification pretreatment was needed before the polluted river water entered the park wastewater treatment plant for emergency treatment. The pretreatment effects of Fenton oxidation, activated carbon adsorption and biological treatment on the polluted river water were studied and compared. Fenton oxidation method had high treatment efficiency, medium operation cost and the on-site treatment facilities were easy to transform and utilize; finally, it was selected as the detoxification pretreatment process of the high-aniline river water. The operation of the actual emergency treatment project showed that Fenton oxidation pretreatment realized effective aniline removal from the heavily polluted river water. In the fluctuated aniline concentration of 30-90 mg/L, the effluent aniline concentrations of the batch tests was basically stable below 1 mg/L, which ensured the stable operation of the park wastewater treatment plant, and finally the effluent met the discharge standard.
- high-aniline river water /
- chemical industry park /
- accidental pollution /
- detoxification pretreatment /
- technology comparing /
- Fenton oxidation

HTML全文

图 1 双氧水投加量对TOC和苯胺类去除效果的影响

Figure 1. Effect of hydrogen peroxide dosage on TOC and aniline removals

下载: 全尺寸图片幻灯片

图 2 河水pH对活性炭吸附苯胺类效果的影响

Figure 2. Effect of pH of polluted river water on the adsorption of aniline by activated carbon

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图 3 活性炭投加量对重污染河道B河水剩余污染物浓度的影响

Figure 3. Effect of activated carbon dosage on residual pollutants concentration in heavily polluted river B

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图 4 活性炭投加量对重污染河道C中河水剩余污染物浓度的影响

Figure 4. Effect of activated carbon dosage on residual pollutants concentration in heavily polluted river C

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图 5 苯胺类平衡浓度与活性炭吸附量的关系

Figure 5. Relationship between equilibrium concentration of aniline and adsorption capacity of activated carbon

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图 6 河道B河水生物处理试验

Figure 6. Experiment on biological treatment of river B wastewater

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图 7 重污染河水芬顿氧化预处理工程的污染物去除效果

Figure 7. Pollutant removal effect of Fenton oxidation pretreatment project for heavily polluted river water

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表 1 重污染河水脱毒预处理工艺对比

Table 1. Comparison of detoxification pretreatment processes for heavily polluted river water

项目	芬顿氧化	活性炭吸附	生物处理法
苯胺类去除效果	对苯胺类去除率高，容易将苯胺类浓度降至1 mg/L 以下	需要很高的活性炭投加量，才能将苯胺类浓度降至 1 mg/L以下	需要较长的处理时间，才能将苯胺类浓度降至1 mg/L 以下
污染物组成变化的适应能力	强	中等	弱
处理时间	短	短	长
二次污染情况	产生大量铁泥	废活性炭需要处置	产生剩余活性污泥
处理成本	中等	高	低
现场改造难易程度	容易	中等	难

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