Comparative study of biogas yield from pre-treated rice husk co-digested with animal manures

被引：0

作者：

Ojo F.O. ^{[1
]}

Ogunwande G.A. ^{[2
]}

Adesanwo O.O. ^{[3
]}

机构：

[1] Department of Soil Science and Land Resources Management, Obafemi Awolowo University, Ile-Ife

来源：

Journal of Solid Waste Technology and Management | 2018年 / 44卷 / 01期

关键词：

Anaerobic co-digestion; Animal manure; Biogas yield; Pre-treatment method; Rice husk;

D O I：

10.5276/JSWTM.2018.21

中图分类号：

学科分类号：

摘要：

Rice husk (RH), a readily available lignocellulosic waste was pre-treated by soaking and boiling in water before co-digestion with three animal manures (chicken, cow and swine) in a batch type anaerobic digester. Raw RH and no RH treatments were also set up. Results showed that manure type had significant (p ≤ 0.05) effect on substrate temperature, pH, biological oxygen demand (BOD), total bacterial count and biogas yield (BY) while RH treatment method had on pH, BOD and biogas yield. Cow dung treatments had the highest BY due to the low RH content. Treatments with RH had low BYs due to the high acidic nature of the RH and low available biodegradable total carbon content. In addition, treatments with RH showed no significant (p > 0.05) difference in their yields. It is therefore concluded that co-digesting RH with animal manures using the pre-treatment methods adopted is not promising for biogas production. © 2018 Widener University School of Civil Engineering. All rights reserved.

引用

页码：21 / 31

页数：10

共 18 条

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