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Primary Examiner: Stern, Edward
Assistant Examiner:
Attorney: Kojima; Moonray

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Title: Method for recovery of iodine

Abstract: A process for recovery of iodine from waste containing iodine or iodine compound, comprising the steps of burning the waste in a cumbustion chamber, and scrubbing out the iodine or iodine compound in the resulting combustion gas with a basic aqueous solution of sodium thiosulfate.

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Inventors: Ishigami, Masahisa (Kakogawa, JA)
Arimoto, Kunio (Takasago, JA)
Inoue, Yoshikazu (Kakogawa, JA)
Fujii, Ryoichi (Kakogawa, JA)

Application Number: 575005
Filing Date: 1975-05-06
Publication_date: 1976-11-16
Assignee: Harima Chemicals, Inc. (Kakogawa, JA)
Primary Class(es): 423/500 423/499.1, 423/551
Other Classes:
US Patent Ref:

1249863	Dec, 1917	Vincent	423/499.
1604153	Oct, 1926	Ellinger	423/499.
1944423	Jan, 1934	Girvin	423/500.
2385483	Sep, 1945	Wolff	423/500.
3346331	Oct, 1967	Nakamura et al.	423/501.
3352641	Nov, 1967	Nakamura et al.	423/501.

Other Refs: 41-6569110,555

Apr, 1966	JA
Oct, 1917	UK

Other References: Jacobson's "Encyclopedia of Chemical Reactions", vol. 3, 1949 Ed., p. 725, Reinhold Pub. Corp., N.Y.