1) How to differentiate colour or know bet. unreacted Vege oil and Biodiesel?
2) Other than KOH, what are the other likely substances to be “washed” in WVO?
3) What are the problems I will face when I wash BD from waste vege oil?
4) KOH use solid ? calculate 100% KOH in transesterfication?
5) Do I need to measure amount of BD formed?
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