Process for the production of sodium bicarbonate from diaphram cell liquors
Patent 4032616 Issued on June 28, 1977. Estimated Expiration Date: 
June 28, 1994. 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.
June 28, 1994. 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 1865833 2792283 2926995 3751560 3843768 InventorsAssigneeApplicationNo. 05/577120 filed on 05/13/1975US Classes:423/190, Mixture contains metal chloride423/422Hydrogen containing (bicarbonate)ExaminersPrimary: Vertiz, O. R.Assistant: Straub, Gary P. Attorney, Agent or FirmForeign Application Priority Data1974-05-22 FRAbstractProcess and apparatus for producing bicarbonates by converting sodium hydroxide to sodium carbonate and reacting the sodium carbonate with carbon dioxide in a gas-liquid exchange and solid discharge zone and then in a gas-liquid exchange and solid discharge zone with cooling means, with possible recirculation, whereby bicarbonate is formed and precipitated in the first zone and bicarbonate formation is completed and precipitated in the second zone. |
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