Rubbish or resources: an investigation into converting municipal solid waste to bio-ethanol production

WIT Transactions on State-of-the-art in Science and Engineering Pub Date : 2014-12-30 DOI:10.2495/978-1-78466-060-4/004

A. Li, M. Khraisheh

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Abstract

An investigation into the possibility of replacing conventional biomass with biodegradable municipal solid waste (BMSW), which provides an alternative solution for preventing the organic fraction of municipal solid waste going into landfill as required by EU Landfill Directives, was carried out. The experimental results have shown that more than 85% of the cellulose from the waste can be converted to glucose, which can be easily fermented to ethanol production. The conversion rate is relatively high compared with other conventional biomass. Taking into account the existing waste collection system and the cost for disposing of waste makes this waste-to-ethanol system economically valuable. However, every type of energy has some advantages as well as disadvantages. This paper identifies the potential impacts of using BMSW as bio-ethanol resource from the point of view of both energy development and waste management. The opportunities of MSW-to-ethanol as an alternative waste management are also discussed with the recommendation for further life cycle study.

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垃圾或资源:将城市固体废物转化为生物乙醇生产的研究

对生物可降解城市固体废物(BMSW)替代传统生物质的可能性进行了调查，这为防止欧盟垃圾填埋指令要求的城市固体废物的有机部分进入垃圾填埋场提供了另一种解决方案。实验结果表明，废物中85%以上的纤维素可以转化为葡萄糖，葡萄糖很容易发酵生产乙醇。与其他常规生物质相比，转化率相对较高。考虑到现有的废物收集系统和处理废物的成本，这种废物制乙醇系统具有经济价值。然而，每种类型的能源都有一些优点和缺点。本文从能源开发和废物管理的角度分析了利用垃圾作为生物乙醇资源的潜在影响。本文还讨论了城市生活垃圾制乙醇作为一种替代废物管理方法的可能性，并建议进行进一步的生命周期研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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WIT Transactions on State-of-the-art in Science and Engineering

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