JOURNAL OF FACULTY OF ENGINEERING & TECHNOLOGY, Vol 21, No 1 (2014)

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Biogas Production Enhancement for Kitchen Waste Digester

Asif Masih Sharazi, Naveed Ramzan, Anwar Rashid Saleemi, Muhammad Zafar Noon, Rafi Ullah Khan

Abstract


Production of biogas from anaerobic digestion of organic materials is an alternative source of energy. The rate of biogas production is dependent upon design as well as operational parameters of anaerobic digester. In the current study a floating drum anaerobic digester having scum breaker structure has been used to study effect of three parameters (feed concentration, sugar cane juice addition and feed temperature) on biogas production. It was investigated that about 2 cubic feet increase in biogas production occurs as feed to water ratio is increased from 1:7.5 to 1:10. With the addition of 4 liters of sugar cane juice in kitchen waste anaerobic digester running on 2Kg daily feeding, biogas production rate shoots up from 7 cubic feet per day to 20 cubic feet per day. Then the effect of sugar cane juice keeps on decreasing daily and lasts for almost for one week. A 10°C rise in feed temperature results in 4 cubic feet increase in biogas production.

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Faculty of Engineering & Technology

University of the Punjab

Lahore-54590-Pakistan