Page 81 - 046

67

Lu, J., Gavala, H., Skiadas, I., Mladenovska, Z. and Ahring, B. 2008. Improving
anaerobic sewage sludge digestion by implementation of a hyper-
thermophilic prehydrolysis step. Journal Environmental Management. 88 (4),
881-889.
Mamimin, C., Thongdumyu, P., Hniman, A., Prasertsan, S., Imai, T. and O-Thong, S.
2012. Simultaneous thermophilic hydrogen production and phenol removal

from palm oil mill effluent by thermoanaerobacterium-rich sludge.
International Journal of Hydrogen Energy. 37, 15598-15606.
Maminin, C., Singkhala, A., Kongjan, P., Suraraksa, B., Prasertsan, P., Imai, T. and O-
Thong, S. 2015. Two-stage thermophilic fermentation and methanogen
process for biohythane production from palm oil mill effluent. International
Journal of Hydrogen Energy. 40, 6319 -6328.
Mohammadi, P. Ibrahim, S., Mohamad Annuar, M.A. and Law, S. 2011. Effect of
different pretreatment methods on anaerobic mixed microflora for hydrogen

production and COD reduction from palm oil mill effluent. Journal of Cleaner
Production. 19, 1654-1658.
Namsree, P., Suvajittanont, W., Puttanlek, C., Uttapap, D. and Rungsardthong, V.
2012. Anaerobic digestion of pineapple pule and peel in plug flow reactor.
Journal of Environmental Management. 110, 40-47.
Nasr, N., Elsayed, E., Hafez, H., Nakhla, G. and EI Nagger, M.H. 2012. Comparative
assessment of single-stage and two-stage anaerobic digestion for the

treatment of thin stillage. Bioresource Technology. 111, 122-126.
Obudi, Z., Karthikeyan, P. and Visvanathan, C. 2012. Effect of C/N ratio and
ammonia-N accumulation in a pilot-scale thermophilic dry anaerobic digester.
Bioresource Technology. 113, 294-302.
O-Thong, S., Prasertsan P., Intrasungkha, N., Dhamwichukorn, S. and Birkaland, N.K.
2008. Optimization of simultaneous thermophilic fermentative hydrogen
production and COD reduction from palm oil mill effluent by
Thermoanaerobacterium-rich sludge. International Journal of Hydrogen
Energy. 33, 1221-1231.

O-Thong S, Prasertsan P, Karakashev D, Angelidaki I. 2008. Thermophilic fermentative
hydrogen production by the newly isolated Thermoanaerobacterium
thermosacch- arolyticum PSU-2. International Journal of Hydrogen Energy.
33(4), 1204-1214.