1. Sulfur oxidizing bacterial biofilter for removal of hydrogen sulfide (h2s) from biogas
Kawin Rujisangvittaya and Sivawan Phoolphundh

2. Anaerobic treatability of cane molasses based bio - ethanol distillery wastewater mixed with cane sugar mill wastewater by two phase multi - stage upflow anaerobic sludge blanket reactor
C . Yubolsai, P. Choeisai, P. Visedkaew, T. Yamaguchi, T. Onodera and K. Syutsubo

3. Inoculum seed for simultaneous biological removal of sulfate and nitrogen rich wastewater
Wikanda Thongnueakhaeng and Pawinee Chaiprasert

4. Thermogravimetric study on rice, corn and sugar cane crop residue
Dinh Quoc Viet, Nguyen Van Vinh, Pham Hoang Luong and Van Dinh Son Tho