A MATHEMATICAL-MODEL FOR DYNAMIC SIMULATION OF ANAEROBIC-DIGESTION OF COMPLEX SUBSTRATES - FOCUSING ON AMMONIA INHIBITION

被引:300
作者
ANGELIDAKI, I [1 ]
ELLEGAARD, L [1 ]
AHRING, BK [1 ]
机构
[1] TECH UNIV DENMARK, DEPT BIOTECHNOL, ANAEROB MICROBIOL BIOTECHNOL RES GRP, DK-2800 LYNGBY, DENMARK
关键词
ANAEROBIC DIGESTION; AMMONIA INHIBITION; MANURE; MATHEMATICAL MODEL;
D O I
10.1002/bit.260420203
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
A mathematical model for anaerobic degradation of complex organic material, such as manure, has been developed. The model includes an enzymatic hydrolytic step and four bacterial steps and involves 12 chemical compounds. The model focuses on ammonia inhibition and includes a detailed description of pH and temperature characteristics in order to accurately simulate free ammonia concentration. Free ammonia and acetate constitute the primary modulating factors in the model. The model has been applied for the simulation of digestion of cattle manure in continuously stirred tank reactors (CSTRs), and results compare favorably with experimental data.
引用
收藏
页码:159 / 166
页数:8
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