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首页> 外文会议>2018 International Conference and Utility Exhibition on Green Energy for Sustainable Development >Food Waste Co-Digestion with Microwave Pre-Treated Sewage Sludge to Enhance Biogas Production Through Anaerobic Digestion
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Food Waste Co-Digestion with Microwave Pre-Treated Sewage Sludge to Enhance Biogas Production Through Anaerobic Digestion

机译：餐厨垃圾与微波预处理的污水污泥共同消化，通过厌氧消化提高沼气产量

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摘要

Malaysia has been experiencing rapid growth in population, massive development in industrialization and urbanization. It has resulted in the generation of a greater amount of wastes. Usually, the solid wastes are disposed at landfills, which are mostly saturated and overloaded with solid wastes, but, due to the scarcity of land and public complaints, making the building of new landfill almost impossible, hence the disposal of MSW is one of the major environmental issues faced by the country. Meanwhile, in the sewerage industry, sludge that is high in embedded energy is generated and it can be used to produce methane through anaerobic digestion especially in the modern mechanized sewage treatment plant (STP). However, the secondary thickened sludge (STS) is a poor substrate for anaerobic digestion. Studies have shown that the digestibility of STS can be improved my pre-treatment methods such as microwave pre-treatment prior to the anaerobic digestion. Besides that, co-digestion is an effective way to overcome the low biodegradability of STS which also promotes an environmentally and an ecologically friendly way to dispose of the food wastes. Also, it can be used to produce renewable energy which could reduce the dependency on fossil fuel for power generation. Moreover, it also can deliver beneficial synergies for the sewage industry and the MSW industry. This work elucidates the preliminary investigation of the potentials of co-digestion of microwave pre-treated STS and food waste and its effect on biodegradability and methane yield, which proposes a sustainable management of solid waste generated in urban areas while harnessing the resources to generate green electricity.
机译：马来西亚人口迅速增长，工业化和城市化发展迅猛。这导致产生大量废物。通常，将固体废物弃置于垃圾填埋场，这些垃圾填埋场大多充满固体废物，但由于土地稀缺和公众投诉，几乎不可能建造新的垃圾填埋场，因此，MSW的处置是其中之一。该国面临的重大环境问题。同时，在污水处理行业中，会产生嵌入能量高的污泥，并且可以通过厌氧消化将其用于生产甲烷，特别是在现代机械化污水处理厂（STP）中。然而，二次增稠污泥（STS）是厌氧消化的不良基质。研究表明，通过厌氧消化之前的微波预处理等预处理方法可以改善STS的消化率。除此之外，共同消化是克服STS生物降解性低的有效方法，它还促进了环境和生态友好的方式处理食物垃圾。此外，它还可用于生产可再生能源，从而减少对化石燃料发电的依赖。此外，它还可以为污水处理行业和城市固体废弃物行业带来有益的协同效应。这项工作阐明了对微波预处理的STS和食物垃圾共消化的潜力及其对生物降解性和甲烷产量的影响的初步研究，从而提出了对城市地区产生的固体废物进行可持续管理，同时利用资源产生绿色废物的方法。电力。

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