Reg 1.

Effect of length/ diameter ratio in polyethylene biodigesters on gas production and effluent composition testing of tulular poly propylene films as an alternative to polyethylene. ( Mr San Thy, UTA, Cambodia,  Duong Nguyen Khang, UAF. Vietnam,  Bounthong Bouahom, NAFRI, Laos, Choke Mikled, Chiang Mai University, Thailand)

Started September 2003:

Status: Preliminary communication prepared for presentation at the 11th AAAP Conference in Malaysia, Sept 2004; also on MEKARN  Web Page .