亚洲最大福利网站_4hu四虎永久网址_麻豆国产原创_国产成人av一区二区

Anaerobic digestion lacks of clear policy and funding
date:May 14, 2012
f methane and carbon dioxide), and digestate, a natural fertiliser. The biogas can be used to generate electricity, gas or heat, or compressed for use as a biofuel.It lessens the cost of bringing energy and disposing of waste, and mitigates methane emissions from manures and slurries,added Hendle.


The nutrient-rich fertiliser it creates is an excellent replacement for artificial fertiliser and contains high levels of phosphorous, which is strategically very important, as world resources are go

12/20 02:50