NewNergy

NewNergy discusses the latest inventions, innovations and breakthroughs in the energy & environmental sciences.

Rice Husk To Energy With Reduced Greenhouse Gas Emissions

One invention that has helped Filipino families is Professor Alexis Belonio's stove powered by rice husks. He literally turned agricultural waste into purified gas in a top-lit, updraft and biomass gas stove.

A ton of rice husks contains the same energy as 415 liters of petrol, or 378 liters of kerosene. A few handfuls of rice husks can boil water in six to nine minutes. Best of all, the rice husks are usually free--from farms or waste dumps that surround rice mills--and it is more efficient than ordinary cookers. Belonio's stove reduces greenhouse gas emissions and eliminate toxic fumes inside the houses. Even the char left after burning can be recycled to use as fertilizers or bio-coal briquettes.

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