![](http://assets.echocommunity.org/book/b384ab12-30ad-4c5e-868c-7033bf0b4135/methane-digesters-for-fuel-gas-and-fertilizer-with-complete-instructions-for-two-working-models_thumbnail.jpg?w=400)
This publication discusses the background and history of digesters, the biology of digestion, raw materials, the gas, digesters, using gas, using sludge, and building a sump digester, and building an inner tube digester.
出版物详细信息
- 出版者: Fry
- Dewey Decimal: 631.8
- ECHO 图书馆: 631.8 FRY