Water Purification Using Energy from a Steam-Hydrocarbon Reforming Process

a technology of water purification and hydrocarbon reforming, which is applied in the direction of energy input, separation process, contaminated groundwater/leachate treatment, etc., can solve the problems of high capital cost, large amount of waste heat, and large amount of high pressure export steam, and achieves greater heat utilization of waste heat and cost-effective
US20140284199A1Inactive Publication Date: 2014-09-25AIR PROD & CHEM INC
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
AIR PROD & CHEM INC
Publication Date
2014-09-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

A process and system for producing a H2-containing product gas and purified water from an integrated catalytic steam-hydrocarbon reforming and thermal water purification process. Raw water, such as salt water, is heated by indirect heat transfer with reformate from the catalytic steam reforming process for purifying raw water in one of a multiple effect distillation process and a multi-stage flash process.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This patent application is a divisional of U.S. patent application Ser. No. 14 / 061,157, filed Oct. 23, 2013, which is a continuation-in-part of U.S. patent application Ser. No. 13 / 858,363, filed Apr. 8, 2013, now U.S. Pat. No. 8,709,287, which claims the benefit of Provisional Application Ser. No. 61 / 648,662, filed on May 18, 2012, the contents of each of which are hereby incorporated by reference as if fully set forth.BACKGROUND

[0002] Thermal water purification processes, such as thermal desalination of salt water using multi-stage flash (MSF) or multiple effect distillation (MED), use heat from a low-pressure, high-quality steam energy source to effect the water purification process. Low pressure steam is generated using common boiler technology (cf. U.S. Pat. Nos. 4,338,199 and 5,441,548).

[0003] It is known to use other forms of energy for desalination. For example, U.S. Pat. No. 5,421,962 utilizes solar energy for desalination processes...

Claims

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