Second-Generation Biochemical Biofuels

The fuel properties of second-generation ethanol or butanol are identical to those of the firstgeneration equivalents, but because the starting feedstock is lignocelluose, fundamentally different processing steps are involved in producing them. Second-generation biochemically-produced alcohol fuels are often referred to as “cellulosic ethanol” and “cellulosic biobutanol”. The basic steps for producing these include pre-treatment, saccharification, … Read More

First and Second Generation Biofuels

The first generation biofuels are those that are characterized by mature commercial markets and well understood technologies3. Some examples are sugarcane ethanol in Brazil, corn ethanol in the United States, oilseed rape biodiesel in Germany, and palm oil biodiesel in Malaysia. The development and use of first generation biofuels are encouraged by the desire to … Read More