スラリー式フィッシャー・トロプシュ合成の展望
1983 年 62 巻 9 号 p. 728-744
詳細
1983 年 62 巻 9 号 p. 728-744
The study of slurry phase Fischer-Tropsch synthesis which is operated by introducing synthesis gas into the suspension of fine powdery catalyst in heavy oil was begun in Germany during World War II. After the war, investigations were coducted in West Germany, in England, in the United States and in Japan to prove the excellence of the process.
The slurry process which utilizes precipitated iron catalyst is characterized by the flexibility with which it can process CO rich gas with CO/H2 ratio up to 0.9 to give naphtha, middle distillates or heavy oils as the major products. The change in product pattern is achieved by only regulating catalyst composition and reaction temperature. The processing of CO rich gas in the slurry reactor is not only suitable for utilizing the product gas from the second generation coal gasifiers but also favorable for highly efficient F-T process. It is pointed out that the slurry process should be aimed at diesel fuel production because of the chemical character of products. The low productivity of slurry reactor is expected to be overcome by adopting some new technologies.
