| 释义 |
biogas, n.|ˈbaɪəʊgæs|
[f. bio- + gas n.1]
Fuel gas (chiefly methane and carbon dioxide) obtained by the bacterial decomposition of animal and vegetable waste in the absence of oxygen, often in a specially built digester or fermenter. Freq. attrib.
1971Jrnl. Sci. of Food & Agric. XXII. 164 (heading) Increased production of biogas from cowdung by adding other agricultural waste. 1978New Internationalist May 13/1 If..Hadji instead of burning cow-dung were to put it through a biogas digestor he would finish up with both methane to use as a fuel and with a solid residue which makes a valuable fertilizer. 1979Nature 8 Mar. 117/1 In Szechwan province alone, 17 million people use biogas for cooking and lighting. 1985B. W. Aldiss Helliconia Winter ix. 142 As the refuse rotted underground, it gave off biogas. 1986Illustr. Weekly India 13 July 65/2 In order to reduce burden of fuel wood on the forests, 3,300 biogas plants were also installed during the period. |