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Research Article

Appropriate Fermentation Process for Tapioca’s Wastewater in Indonesia

Mohammad Razif, Veronika Erna Budiarti and Sarwoko Mangkoedihardjo
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Tapioca’s wastewater containing BOD of about 3000 mg L-1 was treated by means of yeast fermentation in anarobic batch scale reactors. Various dosages of the yeast ranging from 10 to 30% of effective reactor volume and wastewater concentrations in the range of 50 to 100% were investigated for different fermentation periods ranging from 3 days to 21 days. Without nutrients amendment to the diluted wastewater of 50% concentration, the yeast suspension dosage of 10% was resulted in the maximum absolute BOD removal of 40% during 14 days period. At the same conditions, increasing the yeast dosage of 30% was shown to increase the maximum absolute BOD removal up to 70% for non-diluted wastewater.

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  How to cite this article:

Mohammad Razif, Veronika Erna Budiarti and Sarwoko Mangkoedihardjo , 2006. Appropriate Fermentation Process for Tapioca’s Wastewater in Indonesia. Journal of Applied Sciences, 6: 2846-2848.

DOI: 10.3923/jas.2006.2846.2848


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