Lee, Yun Ju Lee, Sang Deuk Hong, Suk In Moon, Dong Ju 2024-01-20T18:03:43Z 2024-01-20T18:03:43Z 2021-09-05 2010-12 0360-3199 https://pubs.kist.re.kr/handle/201004/130886 The conceptual design of a coal gasification system for the production of hydrogen is undertaken here using the PRO II Simulation program The operating conditions for the gasifier were tuned to between 1200 degrees C-1500 degrees C 15 atm-30 atm and to a feed molar ratio of C H2O O-2 = 1 0 5-1 0 25-0 5 The refinery temperature and pressure were kept at 550 Cand 24 5 atm The syngas produced goes to water gas shift (WGS) reactors operated at 400 degrees C 24 atm (HTS) and 250 degrees C 23 5 atm (LTS) The production of hydrogen was found to be independent of the concentration of steam in the feed However when other operating conditions are constant the hydrogen output changes dramatically with changes to the concentration of O-2 in the feed The optimal operating conditions for the production of hydrogen by the gasification of Drayton coal were found to be 1500 degrees C 25 atm and a feed ratio C H2O O-2 = 1 0 58 0 43 (C) 2010 Published by Elsevier Ltd on behalf of Professor T Nejat Veziroglu English PERGAMON-ELSEVIER SCIENCE LTD GAS SHIFT REACTION Conceptual design and simulation study for the production of hydrogen in coal gasification system Article 10.1016/j.ijhydene.2010.04.064 1 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.35, no.23, pp.12970 - 12975 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 35 23 12970 12975 scie scopus 000284743900034 2-s2.0-78049481927 Chemistry, Physical Electrochemistry Energy & Fuels Chemistry Electrochemistry Energy & Fuels Article; Proceedings Paper GAS SHIFT REACTION Coal gasification WGS PRO II simulation