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Solid waste characterization and treatment technologies in rural areas: An Indian and international review
Environmental Technology & Innovation ( IF 6.7 ) Pub Date : 2020-07-25 , DOI: 10.1016/j.eti.2020.101066
Aakash Patwa , Divyesh Parde , Devendra Dohare , Ritesh Vijay , Rakesh Kumar

Solid waste generation and treatment become one of the main concerns for the rural area. This article reviews the solid waste composition and various solid waste treatment technologies in the rural areas of India and other countries. The solid waste generated in a rural area containing more than 50% of organic waste and rest inorganic. Waste generation rate is 0.3–0.9 kg/capita/day in various rural areas of different countries. Agriculture waste and animal waste are the major components of the organic fraction. Because of the organic nature of waste, composting is the most feasible technology of treating solid waste in the rural area. The review article also focused on various factors which may affect the process of composting and helpful for selecting composting technology as moisture content, C/N ratio, turning frequency, particle size, aeration rate, and temperature. Optimum values of these parameters are found that the optimum moisture content is (45%–60%), suitable temperature (45–70 °C), turning frequency (7–15 days/turning) and C/N ratio (25–30). This paper also contains various treatment technologies for the organic solid waste which are based on composting and anaerobic digestion.



中文翻译:

农村地区的固体废物表征和处理技术:印度和国际评论

固体废物的产生和处理成为农村地区的主要关注之一。本文介绍了印度和其他国家/地区农村地区的固体废物组成和各种固体废物处理技术。农村地区产生的固体废物中,有机废物占50%以上,其余为无机物。在不同国家的不同农村地区,废物产生量为人均/天0.3-0.9千克。农业废料和动物废料是有机部分的主要成分。由于废物的有机性质,堆肥是处理农村地区固体废物的最可行技术。这篇评论文章还重点介绍了可能影响堆肥过程的各种因素,并有助于选择堆肥技术,例如水分,C / N比,转向频率,颗粒大小,曝气速率和温度。发现这些参数的最佳值是最佳水分含量为(45%–60%),合适的温度(45–70°C),转弯频率(7–15天/转弯)和C / N比(25–30) )。本文还包含基于堆肥和厌氧消化的各种有机固体废物处理技术。

更新日期:2020-08-06
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