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Great progress has been made in the last three years in Union Chemical Laboratories, ITRI. , concerning with the development of anaerobic techniques for industrial pollution control. In this paper, the experiences in the experiment and design of the modified upflow anaerobic sludge bed reactor (UASB) will be presented, and practical examples in the treatment of wastewater from brewery and citric acid fermentation industries will also be given.

After considerable bench/pilot-scale analysis of modified UASB operation has been conducted, 85M³ UASB reactor was established at San Fu Chemical Co., Ltd., San Hua, Taiwan. The start-up experience and the performance of this system will be discus-sed.

Ten more reactors with the capacity of 2000 M³ will be set up in 1986.

Author：Tann-Ching、Ai-Luen Huang、Gwo-Dong Roam、Ling-yuan chen

★Article source：8th Annual Science. Engineering & Technology Seminars. May 24-25. 1986 Houston Tx.