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Lecture10 A Mysterious Tank for Purificating Polluted Water


日期: 2020-11-24 点击:


In this study, a novel biological oxidation-settling tank (BOST) was designed to treat micro-polluted water. The new technology is based on the designing concepts of rotating biological contactor and horizontal flow settling tank. The pollutant removal performances of the BOST were systemically evaluated under varied organic loading rate (OLR), hydraulic retention time (HRT), and disc rotation speed. The microbial characteristics and the removal mechanism of pollutants were also illustrated. The findings demonstrated the advantages of BOST in achieving a simultaneous removal of suspended solids (SS), organic compounds and ammonium in a short HRT, which means that the treatment unit requires a small footprint and it can decrease the DBPs formation potential by dramatically reducing the dissolved organic compounds.


Speaker Bio

Wendong Wang, PhD, Professor/Doctoral supervisor, who is a visiting scholar at Pennsylvania State University, the registered environmental protection engineer, the registered utility engineer (water supply & drainage), a member of Shaanxi province youth science and technology new star, the chief engineer of Shaanxi small and medium enterprises, a member of International Water Association China Youth Committee (IWA WYP-China), and the leader of the team “Sewage Treatment and Resource Utilization” at Xi’an Jiaotong University. His main research area is micro-polluted water purification and quality assurance and has accomplished substantial contribution in the innovative development of micro-polluted water purification materials and equipment, as well as pollutants transfer and transformation characteristics during water purification and distribution processes. Dr. Wang hosts more than ten national and provincial research projects including those funded by the National Water Pollution Control and Treatment Major Project, and Natural Science Foundation of China (NSFC), with research funding approximately 18,000,000 RMB. Based on the research work, he and his team members have published over 100 articles, of which more than 40 are in SCI-indexed journals. In addition, he has published 5 textbooks as editor-in-chief or co-editor, and authorized 15 national invention patents.