Sentences with phrase «other anaerobic digestion plants»
However, Bevisol has developed a method for blending effluent so it has the right chemical and biological balance to be treated at Severn Trent Water's other anaerobic digestion plants, if necessary.
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Just as incinerators often start out burning forestry waste, and end up using virgin wood once supply of «waste» runs out, so too anaerobic digestion plants may begin by using food waste, and end up utilizing forest products or other «biofuels» grown deliberately for the purpose.