Low emission biogas also produces fertilizer

TORONTO, CANADA (Reuters) - A Canadian chemical engineer has devised a product that transforms the waste generated by biogas production into fertilizer. Andrew White says his SulfaCHAR system eliminates chemical waste from the biogas process, while increasing renewable gas plants' profitability and stopping the degradation to gas engines caused by hydrogen sulfide (H2S).

from Reuters: Science News http://ift.tt/1VIHFTY
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