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General problem
1. How much sweet potato peel is needed to produced certain amount of biodiesel
2. Does the biodiesel out of sweet potato (Ipomea Batatas) peel can initiate burning process
3. What is the quality of smoke produce in biodiesel
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Hypothesis
General Hypothesis
Null: The sweet potato (Ipomea Batatas) peel is not feasible to produce biodiesel
Alternative: The sweet potato (Ipomea Batatas) peel is feasible to produce biodiesel
Specific Hypothesis
® There is no specific amount of sweet potato peel that could be used to produce ethanol.
® There is a specific amount of sweet potato peel that could be used to produce ethanol.
® The ethanol out of sweet potato peel cannot initiate burning process.
® The ethanol out of sweet potato peel can initiate burning process.
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Scope and Limitation The researchers focus in the study of biodiesel production out of sweet potato peel. Fermentation was