Effects of anaerobic digestion of food waste on biogas production and environmental impacts: a review

被引：112

作者：

Chew, Kah Rong ^{[1
]}

Leong, Hui Yi ^{[2
]}

Khoo, Kuan Shiong ^{[1
]}

Vo, Dai-Viet N. ^{[3
]}

Anjum, Hirra ^{[4
]}

Chang, Chih-Kai ^{[5
]}

Show, Pau Loke ^{[1
]}

机构：

[1] Univ Nottingham Malaysia, Fac Sci & Engn, Dept Chem & Environm Engn, Broga Rd, Semenyih 43500, Selangor Darul, Malaysia

[2] Zhejiang Univ, Coll Chem & Biol Engn, Key Lab Biomass Chem Engn, Minist Educ, Hangzhou 310027, Peoples R China

[3] Nguyen Tat Thanh Univ, Ctr Excellence Green Energy & Environm Nanomat CE, Ho Chi Minh City, Vietnam

[4] Univ Engn & Technol Lahore, Dept Chem Engn, Faisalabad Campus, Faisalabad, Pakistan

[5] Yuan Ze Univ, Dept Chem Engn & Mat Sci, 135 Yuan Tung Rd, Taoyuan 320, Taiwan

来源：

ENVIRONMENTAL CHEMISTRY LETTERS | 2021年 / 19卷 / 04期

关键词：

Anaerobic digestion; Food waste; Biogas; Pre-treatment; Environmental impact; METHANE POTENTIAL BMP; LIFE-CYCLE ASSESSMENT; CO-DIGESTION; ACTIVATED-SLUDGE; ALKALINE PRETREATMENT; RETENTION TIME; THERMAL PRETREATMENT; MANAGEMENT-SYSTEMS; SEWAGE-SLUDGE; ENERGY;

D O I：

10.1007/s10311-021-01220-z

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Anaerobic digestion of food waste appears promising to generate biogas in the context of the growing energy demand and the circular economy. In particular, anaerobic digestion causes less air and solid waste pollution compared to incineration, gasification and pyrolysis. Actual research on biogas production using food waste focuses on the performance of substrates such as manure and bacteria, yet few investigations evaluate the impact of anaerobic digestion on the environment. Here, we review the steps of anaerobic digestion, factors that influence the process, and food waste as main and co-substrate to increase biogas yield. High metabolic activity of anaerobes is optimized by controlling temperature, pH, retention time, carbon-to-nitrogen ratio, volatile fatty acid and organic loading rate. We discuss the effect of pre-treatments such as biological, thermal, chemical and mechanical treatments, on anaerobic digestion performance. The impacts of food waste treatments on the environment are compared by life cycle analysis.

引用

页码：2921 / 2939

页数：19

共 130 条

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