Observation on the Yield of Bioethanol from Rejected Papaya and Pineapple

Aye Aye Aung; Soe Soe Than; Pansy KyawHla

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Observation on the Yield of Bioethanol from Rejected Papaya and Pineapple

http://hdl.handle.net/20.500.12678/0000007729

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72.pdf (1.2 MB)

Publication type
		Journal article
Upload type
		Publication
Title
	Title	Observation on the Yield of Bioethanol from Rejected Papaya and Pineapple
	Language	en
Publication date		2016-01-01
Authors
		Aye Aye Aung
		Soe Soe Than
		Pansy KyawHla
Description
		Abstract Rejected Papaya (Carica papaya L.) and Pineapple (Ananas comosus L.) were considered as sources of sugary material for the preparation of bioethanol. Direct fermentation of rejected and sterilized pulp was carried out by using baker's yeast (Saccharomyce cerevisiae) under anaerobic conditions. Different fermentation conditions such as amount of substrate such as (100, 200, 300, 400, 500 and 600) g, amount of yeast such as (0.2, 0.4, 0.6, 0.8, 1.0 and 1.2) % (w/w), temperature of fermentation such as(28, 30, 32, 34, 36 and 38) 'C and different pH such as (3.5, 4, 4.5, 5, 5.5 and 6), period of fermentation (1,2,3,4,5 and 6 ) days were employed during fermentation. The strength of the resulting bioethanol was analyzed by using gas chromatography (GC). It was pointed out that the maximum strength of bioethanol 20.154 % (v/v) was obtained from sterilized pulp of papaya and 85.276% (v/v) from sterilized pulp of pineapple respectively.
Keywords
		Bioethanol, rejected fruits, sugary material, fermentation
Journal articles
		Journal of the Myanmar Academy Arts and Science
		149-157
		Vol. XIV. No.1