Distributed pre-enrichment method and system for production of heavy water

A pre-enrichment and heavy water technology, applied in separation methods, heavy water, chemical instruments and methods, etc.

Inactive Publication Date: 2012-07-11
ISOWATER CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the process is purpose specific and limited to producing highly enriched DT / D 2 gas phase to enable tritium to be absorbed onto solid metal hydrides for safe transport to the central site, and cryogenic distillation is required to create a stream of tritium at the central plant

Method used

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  • Distributed pre-enrichment method and system for production of heavy water
  • Distributed pre-enrichment method and system for production of heavy water
  • Distributed pre-enrichment method and system for production of heavy water

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Embodiment Construction

[0049] In general, the systems described herein relate to distributed pre-concentration methods and heavy water production systems. As required, embodiments of the invention are disclosed herein. However, the disclosed embodiments are exemplary only, and it should be understood that the invention may be embodied in many different and alternative forms. The figures are not to scale and some features may be exaggerated or minimized to reveal details of particular elements, while related elements may be deleted to avoid obscuring aspects of novelty. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention. For instructional and non-limiting purposes, the illustrated embodiments relate to a distributed pre-concentration process and heavy water production system utilizing a central comb...

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Abstract

The present invention provides a process whereby pre-enrichment of water streams using a hydrogen source and a catalytic isotope exchange method at one or more remote sites to supply water with augmented deuterium concentration to a central heavy water. This central heavy water plant could utilize any suitable heavy water production technology, including the Combined Electrolysis and Catalytic Exchange ("CECE") heavy water production plant and Girdler Sulfide process. The deuterium content of water at the remote sites is increased and provides water stream(s) with augmented deuterium concentration to feed to the central heavy water production plant. This could be a first stage of the central CECE deuterium enrichment plant, increasing its capacity for heavy water production approximately in the ratio of its enrichment above natural deuterium concentrations. The invention further provides systems and methods for adapting chlorate and chlorine dioxide systems which produce hydrogen to additionally produce deuterium-enriched water.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Patent Application 12 / 461,025, filed July 29, 2009, entitled "DISTRIBUTED PRE-ENRICHMENT METHOD AND APPARATUS FOR PRODUCTION OF HEAVY WATER," the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to techniques for the efficient production of heavy water. More specifically, the present invention relates to the production of pre-enriched feedwater for centralized heavy water production processes utilizing geographically distributed hydrogen production plants. The present invention also relates to systems and methods for adapting hydrogen-producing chlorate and chlorine dioxide systems for additional production of deuterium-enriched water. Background technique [0004] The combined electrolysis and catalytic exchange (hereinafter referred to as CECE) heavy water production process extracts heavy water from ordinary ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B5/02
CPCB01D59/40C01B5/02B01D59/50B01D59/32
Inventor 安德鲁·T·B·斯图尔特阿利斯泰尔·I·米勒格雷姆·诺弗尔
Owner ISOWATER CORP
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