Characterization and modeling of nutrient-deficient tomato-proces sing wastewater treatment using an anaerobic/aerobic system

被引：9

作者：

Xu, Zhongda

Nakhla, George ^{[1
]}

Patel, Jignesh

机构：

[1] Univ Western Ontario, Dept Chem & Biochem Engn, London, ON N6A 5B9, Canada

[2] Gamsby & Mannerow Consulting Engineers, Guelph, ON N1H 8J1, Canada

来源：

CHEMOSPHERE | 2006年 / 65卷 / 07期

关键词：

wastewater characterization; kinetic coefficients; system modeling; anaerobic/aerobic system; prefermentation; tomato-processing wastewater;

D O I：

10.1016/j.chemosphere.2006.03.063

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Tomato-processing wastewaters are typical of slowly biodegradable high strength wastewaters generated from the food canning industry. Three different samples of influent and three samples of anaerobic effluents corresponding to the three influents collected from an on-site pilot-scale anaerobic/aerobic system were characterized using respirometric methods. Respirometric studies demonstrated that the pretreatment in the anaerobic reactor of the pilot-scale system increased the readily biodegradable fraction from an average of 40% of the SCOD in the influent to 50% of the SCOD in the anaerobic effluent, improved kinetics from an average P a of 1.5 d(-1) in the influent to 3.5 d(-1) in the anaerobic effluent, and eliminated nutrient deficiency. Furthermore, the system was calibrated and simulated by application of wastewater characterization and biokinctic data derived form respirometric tests of influent and anaerobic effluent in Activated Sludge Model no. 1 (ASM1). (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：1171 / 1181

页数：11

共 16 条

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