✦ LIBER ✦

98/03773 Pressurized CFB gasification—the Varnamo plant

Book ID: 104286223
Publisher: Elsevier Science
Year: 1998
Weight: 215 KB
Volume: 39
Category: Article
ISSN: 0140-6701
DOI: 10.1016/s0140-6701(98)93768-7

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✦ Synopsis

03 Gaseous fuels (derived gaseous fuels)

Ca(OH)z during the latter part of gasification. Fixed carbon conversion at 850°C without calcium is 65% after 2 h, whereas the catalysts achieve complete gasification within 1 h. The apparent activation energy is almost unchanged by calcium addition and the main product is Hz. Calcium increases Hz and COz, but it decreases CO, which leads to much higher Hz/ CO ratio in the presence of calcium. Thus, Ca(OH)s and CaCOs promote shift reaction of CO formed with steam and are suitable for the production of Hz-rich gas from petroleum coke.

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