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Sustainable utilization of biowaste compost for renewable energy and soil amendments
Environmental Pollution ( IF 8.9 ) Pub Date : 2020-09-16 , DOI: 10.1016/j.envpol.2020.115662
Wen Yi Chia , Kit Wayne Chew , Cheng Foh Le , Su Shiung Lam , Chelsea Siew Chyi Chee , Mae See Luan Ooi , Pau Loke Show

Acceleration of urbanization and industrialization has resulted in the drastic rise of waste generation with majority of them being biowaste. This constitutes a global challenge since conventional waste management methods (i.e., landfills) present environmental issues including greenhouse gases emissions, leachate formation and toxins release. A sustainable and effective approach to treat biowaste is through composting. Various aspects of composting such as compost quality, composting systems and compost pelletization are summarized in this paper. Common application of compost as fertilizer or soil amendment is presented with focus on the low adoption level of organic waste compost in reality. Rarely known, compost which is easily combustible can be utilized to generate electricity. With the analysis on critical approaches, this review aims to provide a comprehensive study on energy content of compost pellets, which has never been reviewed before. Environmental impacts and future prospects are also highlighted to provide further insights on application of this technology to close the loop of circular bioeconomy.



中文翻译:

可持续利用生物废物堆肥用于可再生能源和土壤改良剂

加速城市化和工业化导致废物产生的急剧增加,其中大部分为生物废物。由于传统的废物管理方法(即垃圾填埋场)存在环境问题,包括温室气体排放,渗滤液形成和毒素释放,因此这构成了全球性挑战。堆肥是一种可持续有效的生物废物处理方法。本文总结了堆肥的各个方面,例如堆肥质量,堆肥系统和堆肥造粒。介绍了堆肥作为肥料或土壤改良剂的常见应用,重点是现实中有机废物堆肥的低采用水平。众所周知,可以利用易于燃烧的堆肥发电。通过对关键方法的分析,这篇综述旨在对堆肥颗粒的能量含量进行全面的研究,这是以前从未进行过的综述。还着重介绍了环境影响和未来前景,以便为应用该技术以闭合循环生物经济的循环提供更多见解。

更新日期:2020-09-28
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