Thermochemical treatment for algal fermentation

被引:87
作者
Chen, PH [1 ]
Oswald, WJ [1 ]
机构
[1] Natl Chung Hsing Univ, Dept Soil & Water Conservat, Taichung 40227, Taiwan
关键词
D O I
10.1016/S0160-4120(98)00080-4
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The purpose of this study was to determine the influence of the thermochemical pretreatment process of algal fermentation on the efficiency with which algal energy is converted microbiologically to the energy in methane. The variables studies were pretreatment temperature, duration, concentration, and dosage of sodium hydroxide (NaOH). In order to optimize the thermochemical pretreatment of algae, an independent variables study was selected. The results indicate that pretreatment best efficiency was attained with a temperature of 100 degrees C for 8 h at a concentration 3.7% solids and without NaOH. Compared with untreated algae, pretreatment improved the efficiency of methane fermentation a maximum at 33%. An orthogonal square design was selected to determine the mathematical model to describe the effects of algal thermochemical pretreatment and to determine the relative significance among the pretreatment parameters. (C) 1998 Elsevier Science Ltd.
引用
收藏
页码:889 / 897
页数:9
相关论文
共 10 条
[1]  
[Anonymous], STAND METH EX WAT WA
[2]  
[Anonymous], LARGE SCALE FRESHWAT
[3]  
[Anonymous], 1957, EXPT DESIGN
[4]   MODELING OF PRETREATMENT AND ACIDOGENIC FERMENTATION OF THE ORGANIC FRACTION OF MUNICIPAL SOLID-WASTES [J].
BECCARI, M ;
LONGO, G ;
MAJONE, M ;
ROLLE, E ;
SCARINCI, A .
WATER SCIENCE AND TECHNOLOGY, 1993, 27 (02) :193-200
[5]   ANAEROBIC DIGESTION OF ALGAE [J].
GOLUEKE, CG ;
OSWALD, WJ ;
GOTAAS, HB .
APPLIED MICROBIOLOGY, 1957, 5 (01) :47-55
[6]   INNOVATIVE 2-STAGE PROCESS FOR THE RECOVERY OF ENERGY AND COMPOST FROM THE ORGANIC FRACTION OF MUNICIPAL SOLID-WASTE (MSW) [J].
KAYHANIAN, M ;
TCHOBANOGLOUS, G .
WATER SCIENCE AND TECHNOLOGY, 1993, 27 (02) :133-143
[7]   MODELING OF A PLUG-FLOW PILOT REACTOR PRODUCING VFA BY ANAEROBIC FERMENTATION OF MUNICIPAL SOLID-WASTES [J].
SANS, C ;
MATAALVAREZ, J ;
CECCHI, F ;
PAVAN, P .
WATER SCIENCE AND TECHNOLOGY, 1994, 30 (12) :125-132
[8]  
Uziel M, 1978, THESIS U CALIFORNIA
[9]   ONE-STEP AND 2-STEP ANAEROBIC-DIGESTION OF SOLID AGROINDUSTRIAL RESIDUES [J].
WEILAND, P .
WATER SCIENCE AND TECHNOLOGY, 1993, 27 (02) :145-151
[10]   KOMPOGAS - A NEW SYSTEM FOR THE ANAEROBIC TREATMENT OF SOURE SEPARATED WASTE [J].
WELLINGER, A ;
WYDER, K ;
METZLER, AE .
WATER SCIENCE AND TECHNOLOGY, 1993, 27 (02) :153-158