Better Farming Series 32. Biogas 2: Building a Better Biogas Unit (FAO Better Farming Series, 1986): How to build a better small biogas unit: Where to put your biogas unit

Better Farming Series 32. Biogas 2: Building a Better Biogas Unit (FAO Better Farming Series, 1986)

How to build a better small biogas unit

		You will need
		Cleaning the oil drum
		Where to put your biogas unit
		Preparing the oil drum
		Testing for leaks
		Preparing the gas holder
		Attaching the gas holder

Where to put your biogas unit

27. Before you build your new biogas unit you should decide where to put it. Items 26 to 34 in Booklet No. 31 will tell you where.

28. However, do not put this unit underground. If the unit is underground you will not be able to shake it to break up the scum (see Items 109 to 1 13 in this booklet).