1. Anaerobic digestion of glucose by bacillus licheniformis and bacillus coagulans at low and high alkalinity
P. Pantamas, P. Chaiprasert and M. Tanticharoen

2. Influence of organo-clays carbon number on the adsorption of humic acid
P. Jaruwong and R. Wibulsawas

3. Performance of anaerobic hybrid and mixing reactors in treating domestic wasterwater
T. T. Tran, A. Nopharatana and P. Chaiprasert

4. Upward extended exhaust pipe of diesel-powered vehicles and its effect on pollutant concentration at street level
N. T. K. Oanh and P. Pongkiatkul