2.5.1. Processing Steps of Hydrogen Production from LPG

Conventional process for producing hydrogen from light hydrocarbons involves the following process steps:

• Feed preparation
• Sulfur removal
• Steam reforming
• CO shift conversion
• Autothermal reforming
• Process gas cooling
• Synthesis gas purification (PSA pressure swing absorption) [5]

2.5.1.1. Sulfur Removal
LPG feed first passes through an ambient temperature sulfur adsorption vessel. The proprietary adsorbent in this vessel has been specifically designed to remove sulfur species native to LPG feeds as well as those sulfur compounds that are added as odorants for leak detection. The sulfur adsorbent has been proven effective in removing compounds ranging from H2S and mercaptans to thiophenes. Since sulfur is known to affect the performance of all reforming catalysts, removing the sulfur prior to entering the reforming section ensures the highest level of......

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Title: Production Of Hydrogen From Lpg
Approximate Word Count: 11271
Approximate Pages: 46 (250 words per double-spaced page)

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