| 物化及内循环组合工艺处理焦化废水 |
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| 引用本文： | 赵祥,孔秀琴.物化及内循环组合工艺处理焦化废水[J].工业水处理,2009,29(3). |
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| 作者姓名： | 赵祥 孔秀琴 |
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| 作者单位： | 兰州理工大学石油化工学院,甘肃,兰州,730050 |
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| 基金项目： | 甘肃省自然科学基金(A)资助项目 |
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| 摘 要： | 采用物化与生物结合工艺处理焦化废水,物化系统中主要工艺为除氰及除氮工艺,生物系统采用了厌氧内循环(IC)一共基质条件下好氧内循环结合工艺.好氧内循环工艺以葡萄糖为共基质,池内空间位置上存在好氧及缺氧区,同时将悬浮载体技术引入好氧池,提高了焦化废水中难降解有机物及总氮的去除效果.实现了COD、NH3-N、TN的同时去除.实验结果表明,该工艺运行稳定且处理效果较好.3个月的稳定运行期间,出水COD、NH3-N、TN平均质量浓度分别为62、9、29 mg/L.
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| 关 键 词： | 焦化废水 好氧内循环 共基质 同时硝化反硝化 |
Treatment of coking wastewater by physicochemical and internal circulation combined process |
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| Zhao Xiang,Kong Xiuqin.Treatment of coking wastewater by physicochemical and internal circulation combined process[J].Industrial Water Treatment,2009,29(3). |
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| Authors: | Zhao Xiang Kong Xiuqin |
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| Affiliation: | College of Petrochemical Technology;Lanzhou University of Technology;Lanzhou 730050;China |
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| Abstract: | The physicochemical-biological combined process has been used for treating coking wastewater.The main process of the physicochemical system includes cyanide removal process and nitrogen removal process.The internal circulation anaerobic reactor and internal circulation aerobic reactor have been used in the biologic system.Glucose is used as co-substrate in the internal circulation aerobic process.Aerobic area and anoxic area exist in the pond.At the same time,suspended carrier technology is introduced into ... |
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| Keywords: | coking wastewater aerobic internal circulation co-substrate simultaneous nitrification and denitrification |
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