作者: Rostrup-Nielsen Thomas
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摘要: PROBLEM TO BE SOLVED: To improve the long term operability of a steam reforming process by using an easily exchangeable additional catalytic unit. SOLUTION: Catalytic method hydrocarbon supply material includes for previously hydrocarbon-steam mixture allowing to contact with 1st catalyst arranged in externally heated pre-reformer flue gas passage from combustion reformer and reformed flow-out stream 2nd reformer. In such case, further, another 3rd outside on upstream side is included.