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首页> 外文期刊>African Journal of Biotechnology >Co-digestion of municipal organic wastes with night soil and cow dung for biogas production: A Review
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Co-digestion of municipal organic wastes with night soil and cow dung for biogas production: A Review

机译：市政有机废物与夜土壤和牛粪共消化用于沼气生产的研究进展

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Currently, biogas production is one of the most promising renewable energy sources and it represents a very promising way to overcome the problem of waste treatment. Biogas, which is principally composed of methane and carbon dioxide, can be obtained by anaerobic fermentation of biomass such as manure, night soil, sewage sludge and municipal solid wastes. Furthermore, the solid residuals of fermentation (the digested slurry) might be reused as fertilizer, to enhance the fertility of the soil. The huge amount of waste generates in the urban areas especially organic fraction of municipal solid waste or simply municipal bio-waste, which is used as feedstock for biogas production; represents an environmentally sustainable energy source since it improves solid waste management while simultaneously providing an alternative clean energy source. The primary advantages of biogas technology is the use of organic wastes with a low nutrient content to degrade by co-digesting with different substrates in the anaerobic bioreactors, and the process simultaneously leads to low cost production of biogas, which could be vital for meeting future energy needs. This review clearly indicates that co-digestion of municipal organic waste with night soil and cow dung is one of the most effective biological processes to treat a wide variety of solid organic wastes and the use of these wastes for biogas production. In addition, this review briefly discussed the factors affecting biogas production and analytical methods.
机译：目前，沼气生产是最有前途的可再生能源之一，它是克服废物处理问题的非常有前途的方式。沼气主要由甲烷和二氧化碳组成，可通过对粪便，夜土壤，污水污泥和城市固体废物等生物质进行厌氧发酵而获得。此外，发酵的固体残留物（消化的浆液）可以重新用作肥料，以增强土壤的肥力。在城市地区产生大量废物，特别是城市固体废物的有机部分或简单的城市生物废物，这些废物被用作生产沼气的原料;代表了一种环境可持续的能源，因为它改善了固体废物管理，同时提供了替代的清洁能源。沼气技术的主要优势在于，通过与厌氧生物反应器中的不同底物共同消化，利用营养成分低的有机废物进行降解，该工艺同时导致低成本的沼气生产，这对于满足未来的需求至关重要能源需求。该评价清楚地表明，城市有机废物与夜土壤和牛粪的共同消化是处理多种固体有机废物以及将这些废物用于沼气生产的最有效的生物过程之一。此外，本文简要讨论了影响沼气生产的因素和分析方法。

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