03179nam a2200409 4500 20260818143648.0 011298s1987 th r 0000|00eng d .b10367342 AIT Thesis no. EV-87-26 Karuna Penpean Inter-relation among microbiological reactions in anaerobic condition Bangkok : Asian Institute of Technology, 1987 78 p. Thesis ; no. EV-87-26 A thesis submitted in partial fulfilment of the requirements for the degree of Master of Engineering, School of Environment, Resources and Development Thesis (M.Eng.) - Asian Institute of Technology, 1987 Acidogenesis, acetogenesis, methanogenesis and sulfate reduction are the important reactions in anaerobic condition. Thus, to investigate the knowledge of mechanism of anaerobic condition, the characteristics of these reactions and their relationships were examined from the experiment in this study. In semi-continuous condition, the sludge was acclimated with three types of substrate to enhance three groups of bacteria and the incubation of various substrate with the bacteria in these sludge was done in batch experiments . During incubation period, various parameters such as COD, TOA, sulfate, methane production, etc. were analyzed. The results of acetate as substrate showed its degradation was the contrast between semi-continuous condition and batch experiments. For sulfate reduction, it took place together with acidogenesis, acetogenesis and acetate oxidation, however sulfate reduction with acidogenesis and acetogenesis were ·preferable. The results also indicated that acetogenic bacteria for degrading butyrate and for degrading propionate were different groups. Sulfate-reducing bacteria, as same as acetogenic bacteria, in butyrate degrading species were different from propionate degrading species that can not degrade butyrate. Sewage Purification Biological treatment Hanaki, K., Chairperson Chongrak Polprasert, Examination Committee Samorn Muttamara, Examination Committee The Government of Japan, Scholarship Donor Asian Institute of Technology. Thesis ; no. EV-87-26 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B19249 .b10367342 mnait x 240402 2 951012 m a x 0 mnait mnait mnarc 20 40 Barcode : 30050003044046 CREATED : 1994-05-17 RECORD # : i10458190 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050003044053 CREATED : 1994-05-17 RECORD # : i10458207 LPATRON : 1013111 LCHKIN : 2001-05-21 # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 3 TOT RENEW : 0 Barcode : 30050120223697 CREATED : 2016-10-05 RECORD # : i12973300 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 61936 61936 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no. EV-87-26 30050003044046 2026-08-18 14:36:48 1 2026-08-18 20 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no. EV-87-26 30050003044053 2026-08-18 14:36:48 2 2026-08-18 20 0 0 0 0 MAIN MAIN mnarc 2026-08-18 0 AIT Thesis no. EV-87-26 30050120223697 2026-08-18 14:36:48 2026-08-18 40