Development of a membrane-based vapor-phase bioreactor

被引：0
作者：
Nathalie Rouhana
Naresh Handagama
Paul R. Bienkowski
机构：
[1] University of Tennessee,Department of Chemical Engineering
来源：
Applied Biochemistry and Biotechnology | 1997年 / 63-65卷
关键词：
Bioreactor; biocatalytic reactor; biofilter; biodegradation; bioremediation; volatile organic hydrocarbon; -xylene;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A vapor-phase bioreactor has been developed utilizing porous metal membranes in a cylindrical design employing radial flow as opposed to traditional axial flow for the vapor stream. The system was evaluated for the biodegradation ofp-xylene (p-xylene) from a water-saturated air stream byPseudomonas putida ATCC 23973 immobilized onto sand. The biocatalyst was placed in the annular space between two cylindrical, porous stainless-steel membranes. Details of the reactor system are presented along with biological data verifying system performance. The feed flow rate andp-xylene concentration were varied between 60 and 130 cm3/min and 15–150 ppm, respectively. Continuous reactor operation was maintained for 80–200 h with removal efficiencies (based onp-xylene disappearance) between 80 and 95%. The effluent concentration histories were compared to determine the operating range of the bioreactor.
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收藏
页码：809 / 821
页数：12
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