Optimization of pulp concentration for bioethanol production from elephant grass (Pennisetum purpureum) using two commercial yeasts with addition of Tween 20

The higher consumption of fuel, especially fossil fuels, will lead to depletion of fuel reserves and high air pollution, which causes environmental pollution. Therefore, it is necessary to find alternative fuels that are environmentally friendly and abundant availability in nature, so-called biofuel...

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