Desalination through gas hydrate
Patent 6158239 Issued on December 12, 2000. Estimated Expiration Date: 
November 18, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 18, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3630042 3835658 3856492 3892103 Refrigeration cycle operatable by low thermal potential energy sources Clathrate freeze desalination apparatus and method Patent #: 5553456 InventorsApplicationNo. 195159 filed on 11/18/1998US Classes:62/532, Fractionally solidifying a constituent and separating the same62/533Including direct contact with added refrigerantExaminersPrimary: Doerrler, William C.Attorney, Agent or FirmInternational ClassB01D 009/04AbstractIn one embodiment, this invention pertains to desalination of seawater by eding methane into seawater at a depth generally exceeding 100 meters to form methane hydrate which rises to where it is decomposed into methane and water, and recoverig water. Methane is recycled to depth to form more buoyant hydrate. | |
