Within the biological conversion technologies the
development of power generation from biogas might be termed
as a success story. Biogas technologies were introduced to
Thailand in the early 50’s using Indian floating drum systems
for dairy farms. A remarkable further development began with
the introduction of more advanced systems within the Thai-
German Biogas Programme (TG-BP) from 1988-1995 which
was supported by the German Technical Cooperation (Deutsche
Gesellschaft fuer Techische Zusammenarbeit GmbH-GTZ) and
carried out in cooperation with Chiang Mai University and the
Department of Agricultural Extension, Ministry of Agriculture,
Thailand. Currently, wastewaters from cassava starch factories