Ni Ketut , Sari and Pujiastuti, C and I Nyoman , Abdi (2013) Bioethanol Production Comparison of Elephant Grass and Liquid Waste Plant Wheat Boga Sari. In: International Seminar on Biorenewable Resources Utilization for Energy and Chemicals 2013, 10-11 Oktober 2013, Bandung.
Abstract
The availability of elephant grass and liquid waste plant wheat Boga Sari can be maintained continuous and also available in huge volume. It is raw material which is less attention, after raw material analysis, has cellulose, glucose, and starch contain, where both the raw materials have potential as bioethanol. This study has the objective to produce bioethanol and bioethanol as well as an industrial prototype as a reference in developing bioethanol industry in Indonesia. Bioethanol production process includes raw material hydrolysis with HCl, reducing sugar fermentation by bacteria of Saccharomyces Cerevisiae, and batch distillation process. Ethanol quality is affected by cellulose, starch, glucose in raw material. With the comparison obtained can be used as a basis for the design of a prototype bioethanol production processes and equipment. Raw materials to produce bio-ethanol showed that the levels of (95-96) % with a yield (31.69 - 33.3) %, by knowing process comparison, in order to obtain scale distillation column design mini plant with 100 liter scale ethanol/day in 3 batches. Raw materials economically liquid waste plant wheat Boga Sari catering is more profitable than raw materials elephant grass. Keywords: batch distillation; elephant grass; fermentation; hydrolysis; whaet plant liquid waste.
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