5Demirbas.A.Hydrogen-rich gas from fruit shells via super- critical water extraction[J]. International Joural of Hydrogen Ener- gy, 2004(29) : 1237-1243.
4Henstra A M, Sipma J, Rinzema A, et al. Microbiology of synthesis gas fermentation for biofuel production. Current Opinion in Biotechnology. 2007, 18:200-206.
5Fontaine F E, Peterson W H, McCoy E, et al. A new type of glucose fermentation by Clostridium thermoaceticum. Journal of Bacteriology. 1942, 43 ( 6 ) : 701-715.
6Collins M D, Lawson P A, Willems A, et al. The phylogeny of the genus Clostridium: proposal of five new genera and eleven new species combinations. International Journal of Systematic Bacteriology. 1994, 44 : 812-826.
7Kerby R, Zeikus J G. Growth of Clostridium thermoacetium on H2/CO2 or CO as energy source. Current Microbiology. 1983, 8: 27 -30.
8Wood H G. A study of carbon dioxide fixation by mass determination of the types of C^13-aeetate. The Journal of Biological Chemistry. 1952, 194: 905-931.
9Ljungdahl L G, Andreesen J R. Tungsten, a component of active formate dehydrogenase from Clostridium thermoaceticum. FEBS Letters. 1975, 54: 279-282.
10Ljungdahl L, Irion E, Wood H G. Role of corrinoids in the total synthesis of acetate from CO2 by Clostridium thermoaceticum. Federation Proceedings. 1966, 25 : 1642-1648.