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Microbial oil produced from wastes as a feedstock for biodiesel production
Biodiesel has become attractive because of its environmental benefits, and the fact that it can be generated from renewable resources. Biodiesel is mainly prepared from animals fat or vegetable oils, but such oil feedstock are limited. Thus it is important to study other oil sources such as from oleaginous microorganisms that have the ability to accumulate triglycerides while growing on renewable carbon sources under specific culture conditions. Wastes such as tequila vinasses, palm oil mill effluents, and hydrolyzed cardboard were used as cheap carbon sources for energy generation, through their conversion to oil by oleaginous microorganism; and its further conversion to biodiesel.