Anaerobic digestion of tomato processing waste: Effect of alkaline pretreatment

被引：41

作者：

Calabro, Paolo S. ^{[1
]}

Greco, Rosa ^{[1
]}

Evangelou, Alexandros ^{[2
]}

Komilis, Dimitrios ^{[2
]}

机构：

[1] Univ Mediterranea Reggio Calabria, Dept Civil Energy Environm & Mat Engn, I-89122 Reggio Di Calabria, Italy

[2] Democritus Univ Thrace, Dept Environm Engn, GR-67100 Xanthi, Greece

来源：

JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2015年 / 163卷

关键词：

Alkaline pretreatment; Anaerobic digestion; Biochemical methane potential; Kinetics; Tomato waste; ENERGY CROPS; METHANE PRODUCTION; ORGANIC WASTES; SACCHARIFICATION; SORGHUM; FUEL;

D O I：

10.1016/j.jenvman.2015.07.061

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The objective of the work was to assess the effect of mild alkaline pretreatment on the anaerobic biodegradability of tomato processing waste (TPW). Experiments were carried out in duplicate BMP bottles using a pretreatment contact time of 4 and 24 h and a 1% and 5% NaOH dosage. The cumulative methane production during a 30 d period was recorded and modelled. The alkaline pretreatment did not significantly affect methane production in any of the treatments in comparison to the control. The average methane production for all runs was 320 NmL/gVS. Based on first order kinetic modelling, the alkaline pretreatment was found to slow down the rate of methanogenesis, mainly in the two reactors with the highest NaOH dosage. The biodegradability of the substrates ranged from 0.75 to 0.82 and from 0.66 to 0.72 based on two different approaches. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：49 / 52

页数：4

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