Abstract
Organic waste, fruit waste and vegetable waste are the best substrate to produce biogas. Waste management system for producing biogas can be used as a solution with the waste problem by converting the wastes into biogas. This study is expected to review of the effect of substrate type and substrate composition for the volume of biogas produced. In this study, materials consist of fruit wastes (oranges, apples, papayas, and tomatoes), cow ruminant, urea, cow dung, Na2CO3 buffer, NH4HCO3 buffer, and distilled water with variations of the substrate materials, F/ W, and the buffer types. The addition of cow manure and Na2CO3 buffer with 1:2 of F/W, production of biogas is greater than variable which is used NH4HCO3 buffer and without the addition of cow dung. Variables with addition of cow dung with 1:1 of F/W and using Na2CO3 buffer, the result is greater than the variable using the same buffer but without the addition of cow dung and variables with 1:1 of F/W with the addition of cow dung and Na2CO3 buffer and variables with the same feed and without the addition of cow dung produce more biogases than variable which is the using NH4HCO3 buffer, 1:1 of F/W and without the addition of cow dung.
Highlights
In recent years, production of oil in Indonesia decreases because of oil derivation spare [1]
After that, arranging the substrate composition and water based on its variable F/W (1:1;1:2), adding urea as nutrient as the ratio calculation C/N to the substrate, adding animal manure based on the substrate variable, adding 25 ml ruminant on the substrate, set the starting pH that has 7 each by using buffer based on the variable (Na2CO3 and NH4HCO3), waiting for fermentation process till biogas is formed, the formed biogas is connected to the liquid displacement than is fill by water using a pipe
The substrate used in biogas production will affect its process
Summary
Production of oil in Indonesia decreases because of oil derivation spare [1]. The overall size of the world energy market nearly doubled between 1971 and 2003, driven by rapid expansion of energy usage in the developing world, where population and energy activity have grown [2]. This case gives effect to the need of oil (BBM) which is an unchangeable source capacity. In order to minimize the risk of the environment and human health economically feasible solutions are sought for the treatment of solid waste in urban areas. A plan to turn solid organic waste (kitchen waste) into energy through different technology has been possible
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