The objective of this study was to develop a process that minimized the cost of producing heavy water using CIRCE (Combined Industrially Reformed Hydrogen and Catalytic Exchange) and CECE (Combined Electrolysis Catalytic Exchange) technology in conjunction with steam methane reformers for hydrogen production.
The scope of this study included developing process designs (with capital and operating cost estimates) that minimize the leakage of water, hydrogen and methane in steam methane reformer systems. Although each category of reformer was addressed, the main emphasis of the study was on PSA based hydrogen plants. The plant capacities selected for the study were 100 MSCFD for hydrogen plants and 1600 te/d for ammonia plants.
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