Study on High-grade-spread and High-mass-transfer Aeration System in Treating Tanning Waste Water

摘要：

This paper provided an energy saving process of uniform restricted aeration, analyzed the dynamic characteristic and conducted experimental test on tanning waste water. Results show that the microorganism activity has been improved greatly by enhancing the mass transfer. Under the conditions of inlet CODCr 427-750 mg/L, BOD5 ranges from 224 mg/L to 396 mg/L, the outlet water is higher than industry standard after 4 hours running; at the organic loading of 1.24 kg COD/(kgMLSS, d), air to water ratio is in between 8-9:1, the uniform restricted aeration have advantages over CSTR process on efficiency, reaction rate and energy consumption. It is well worth popularizing in industry.

关键词： tanning waste water aerobic uniform restricted aeration mass transfer

作者: WANG Heli JIANG Nan CHENG Li

作者单位: School of Water resources and Environment,China University of Geosciences,Beijing 100083,China

会议类型: 国际会议

会议名称: 2009 International Symposium on Environmental Science and Technology(2009环境科学与技术国际会议)

会议地点: 上海

会议语种:英文

页码: 1695-1698

在线出版日期: 2009-06-02（万方平台首次上网日期，不代表论文的发表时间）