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Waste Disposal & Sustainable Energy
Waste Disposal & Sustainable Energy  2020, Vol. 2 Issue (2): 85-103    DOI: 10.1007/s42768-020-00036-x
    
通过优化厌氧消化提高固体废物生产沼气的能力
Sunil Kumar Srivastava1
1 Department of Environmental Science/Chemistry, Jaypee University of Engineering and Technology, Raghogarh, Guna, MP 473226, India
Advancement in biogas production from the solid waste by optimizing the anaerobic digestion
Sunil Kumar Srivastava1
1 Department of Environmental Science/Chemistry, Jaypee University of Engineering and Technology, Raghogarh, Guna, MP 473226, India
 全文: PDF 
摘要： 化石燃料危机及其对环境的负面影响引起了科学界的关注，促使他们四处寻找可再生能源。本文着重介绍了有机生活垃圾和农业废弃物在厌氧消化池中的高效利用，并将其作为一种可再生能源用于沼气生产。本文全面概括了沼气生产的最新进展和以往的研究工作。还对厌氧消化器的设计、厌氧消化的前景以及技术新进展的机遇进行了综述。沼气是最受欢迎的可再生能源之一。根据厌氧消化器的特性，对污染物进行预处理，选择最佳条件下的厌氧消化和能源作物的利用，可以提高厌氧消化器的工作效率。对分离出的有机固体废弃物进行预处理，可以提高其腐熟度，从而进一步提高沼气产量。本文考察了原料的pH值、温度、装填速率、碳氮比和固液比等工艺参数并进行优化。根据消化池的有效容积、停留时间和原料特性，对原料流量进行了优化。厌氧消化池的设计应优选圆柱形，其直径为6-40 m，深度为7.5-15 m，锥形地板的坡度为15%左右。在技术、经济和社会政策方面进行全面改革，实现将沼气视为未来可再生能源体系中至关重要的一环。
关键词： 可再生能源;  厌氧消化;  生物质;  沼气;  能源作物;  固体废弃物    
Abstract: The crisis of fossil fuel and their negative impact on the environment has caused concern among the scientific communities leading them to look around for renewable sources of energy. This review has emphasized the efficient utilization of organic municipal solid waste as well as agriculture waste in an anaerobic digester for the production of biogas as a sustainable renewable energy. Recent advances in biogas production along with previous research work have been discussed to offer a comprehensive synopsis of the accumulated knowledge. This review also elucidates about the design of an anaerobic digester, the prospect of anaerobic digestion and opportunity in new advances in technology. Biogas is one of the most accepted sustainable renewable energy. The characterization, elimination of contaminants, pretreatment, anaerobic digestion in optimum condition and utilization of energy crops enhanced the efficiency of an anaerobic digester. Pretreatment of segregated organic solid waste increased its putrescibility and further biogas production. The optimized parameters in this review were pH, temperature, loading rate, C/N ratio and solid/liquid ratio of the feedstock. The flow rate of the feedstock was optimized according to the available volume of the digester, residence time and the characteristics of the feedstock. The design of an anaerobic digester should be preferably cylindrical in shape, with a diameter ranging from 6 to 40 m, the depth ranging from 7.5 to 15 m and the conical floor having a slope around 15%. A comprehensive reform in technical, economic, and social policies is essential to accomplish a sustainable energy system considering biogas as a future renewable energy. The flowsheet of the biogas and methanol production has been given in Fig. 1.
Key words: Renewable energy    Anaerobic digestion    Biomass    Biogas    Energy crops    Solid waste
收稿日期: 2019-08-07 出版日期: 2020-08-17
通讯作者: Sunil Kumar Srivastava     E-mail: sunil16sster@gmail.com, sunil.srivastava@juet.ac.in
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Sunil Kumar Srivastava. Advancement in biogas production from the solid waste by optimizing the anaerobic digestion. Waste Disposal & Sustainable Energy, 2020, 2(2): 85-103.

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http://www.zjujournals.com/wdse/CN/10.1007/s42768-020-00036-x    或    http://www.zjujournals.com/wdse/CN/Y2020/V2/I2/85

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