Application of Contois, Tessier, and first-order kinetics for modeling and simulation of a composting decomposition process

被引：32

作者：

Wang, Yongjiang ^{[1
]}

Witarsa, Freddy ^{[2
]}

机构：

[1] Huazhong Agr Univ, Dept Agr Engn, Coll Engn, 1 Shi Zi Shan St, Wuhan 430070, Peoples R China

[2] Univ Maryland, Dept Environm Sci & Technol, 0426 Anim Sci Ag Engn Bldg, College Pk, MD 20742 USA

来源：

BIORESOURCE TECHNOLOGY | 2016年 / 220卷

基金：

中国国家自然科学基金;

关键词：

Degradation; Contois kinetic; Tessier kinetic; First-order kinetic; THERMAL BALANCE; DEGRADATION; MANURE; PREDICTION; SUBSTRATE; REACTOR;

D O I：

10.1016/j.biortech.2016.08.099

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

An integrated model was developed by associating separate degradation kinetics for an array of degradations during a decomposition process, which was considered as a novelty of this study. The raw composting material was divided into soluble, hemi-/cellulose, lignin, NBVS, ash, water, and free air-space. Considering their specific capabilities of expressing certain degradation phenomenon, Contois, Tessier ( an extension to Monod kinetic), and first-order kinetics were employed to calculate the biochemical rates. It was found that the degradation of soluble substrate was relatively faster which could reach a maximum rate of about 0.4 per hour. The hydrolysis of lignin was rate-limiting with a maximum rate of about 0.04 per hour. The dry-based peak concentrations of soluble, hemi-/cellulose and lignin degraders were about 0.9, 0.2 and 0.3 kg m(-3), respectively. Model developed, as a platform, allows degradation simulation of composting material that could be separated into the different components used in this study. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：384 / 393

页数：10

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