Parametric Evaluation of Digestability of Organic Fraction of Municipal Solid Waste for Biogas Production

被引：6

作者：

Mondal, Monoj K. ^{[1
]}

Banerjee, Aparna ^{[2
]}

机构：

[1] Banaras Hindu Univ, Indian Inst Technol, Dept Chem Engn & Technol, Varanasi 221005, Uttar Pradesh, India

[2] Banaras Hindu Univ, Dept Chem, Fac Sci, Varanasi 221005, Uttar Pradesh, India

来源：

JOURNAL OF SUSTAINABLE DEVELOPMENT OF ENERGY WATER AND ENVIRONMENT SYSTEMS-JSDEWES | 2015年 / 3卷 / 04期

关键词：

Digestion; OFMSW; Lime; COD; Biogas;

D O I：

10.13044/j.sdewes.2015.03.0031

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Municipal solid waste was collected from Varanasi's municipal solid waste dumpsite and sorted for organic fraction present in it. Current work showed the consequences of calcium hydroxide or lime digestion on organic fraction of municipal solid waste of Varanasi, India. The organic fraction of municipal solid waste sample was digested with desired amount of calcium hydroxide. The different concentrations (0.1, 0.2, and 0.5%) of calcium hydroxide was blended separately to substrates (10% total solid) at 30-35 degrees C in 3 different beakers denoted by A1, A2 and A3, respectively of 2 L capacity. Experiments of hydrolysis step were conducted on all three samples for evaluation of chemical oxygen demand, pH and volatile fatty acids content in sample. The parameters measured during experiments were chemical oxygen demand, biogas production, total solid, volatile solids, total Kjeldahl nitrogen and total organic carbon. Rate enhancement of anaerobic digestion and biogas production were occurred for calcium hydroxide digested samples. Therefore calcium hydroxide can be used as an effective alkali for the digestion of organic fraction of municipal solid waste.

引用

页码：416 / 424

页数：9

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