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On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

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Journal of Zhejiang University SCIENCE B 2005 Vol.6 No.5 P.433-437

http://doi.org/10.1631/jzus.2005.B0433


Restaurant emissions removal by a biofilter with immobilized bacteria


Author(s):  MIAO Jian-yu, ZHENG Lian-ying, GUO Xiao-fen

Affiliation(s):  Department of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   zhengly@zju.edu.cn

Key Words:  Restaurant emission, Immobilized bacteria, Biofilter



Abstract: 
Pseudomonas sp. ZD8 isolated from contaminated soil was immobilized with platane wood chips to produce packing materials for a novel biofilter system utilized to control restaurant emissions. The effects of operational parameters including retention time, temperature, and inlet gas concentration on the removal efficiency and elimination capacity were evaluated. Criteria necessary for a scale-up design of the biofilter was established. High and satisfactory level of rapeseed oil smoke removal efficiency was maintained during operation and the optimal retention time was found to be 18 s corresponding to smoke removal efficiency greater than 97%. The optimal inlet rapeseed oil smoke loading was 120 mg/(m3·h) at the upper end of the linear correlation between inlet loading and elimination capacity.

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