The Jakarta Post
Around 750 families employed in the tofu cottage industry in North Cilacap district, Cilacap regency, Central Java, are proudly processing their foul-smelling food waste into methane, or biogas, and using the results as an alternative cooking fuel.
Students and members of local NGOs worked out the process of turning the soybean dregs left over in the tofu-making process into biogas through a trial and error development strategy over the past year.
“We are very grateful that we could finally settle the food waste problem, which was often a cause for complaint from neighbors because of the stench,” the head of the Cilacap Students’ Environmental Awareness Foundation, Herman Sukamto, who developed the food-waste processor, told The Jakarta Post recently.
“Now the waste is collected in a concealed and closed tank called a digester instead of in an op...