Как выбрать гостиницу для кошек
14 декабря, 2021
Сегодня каждый, кто собирается в отпуск и не знает, с кем оставить своего котика или кошку, может во[...]
Methane production
The biology of an “oxidation pond” is not well understood. The algae-versus — bacterial growth needs to be controlled, and anaerobicity and temperature need to be maintained properly. The carbonaceous matter tends to ferment, and methane is produced instead of carbon dioxide. The end product, methane, can be used either as a direct fuel or through a suitably designed fuel cell. Microbial methane and hydrogen production are discussed later.