DYNAMICS OF A DRAFT TUBE GAS-LIQUID SOLID FLUIDIZED-BED BIOREACTOR FOR PHENOL DEGRADATION

被引：86

作者：

TANG, WT ^{[1
]}

WISECARVER, K ^{[1
]}

FAN, LS ^{[1
]}

机构：

[1] OHIO STATE UNIV,DEPT CHEM ENGN,COLUMBUS,OH 43210

来源：

CHEMICAL ENGINEERING SCIENCE | 1987年 / 42卷 / 09期

关键词：

MASS TRANSFER - MATHEMATICAL MODELS - PHENOLS - Degradation - WASTEWATER - Treatment;

D O I：

10.1016/0009-2509(87)85033-9

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The transient response of a draft tube gas-liquid-solid fluidized bed biofilm reactor (DTFB) to a step increase in influent phenol concentration was experimentally investigated. A mathematical model, which considers the external mass transfer resistance, the simultaneous diffusion, reaction, and adsorption of phenol and oxygen inside the bioparticles, the dynamics of biofilm growth, and the time delay of microbial growth during the transient period, is proposed. The biofilm properties such as thickness and density are allowed to vary in the model with biofilm growth to simulate the real biofilm system. Simulation results predicted from the proposed model show reasonable agreement with the experimental data. This work is pertinent to wastewater treatment.

引用

页码：2123 / 2134

页数：12

共 29 条

[1] BACTERIAL FILM GROWTH IN ADSORBENT SURFACES [J].