Method for co-producing iodine and salt
AssigneesToho Earthtech, Inc., Mitsubishi Gas Chemical Company, Inc., Godo Shigen Co., Ltd.
InventorsMasaharu DOYA, Toru TSUKAGOSHI
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Abstract
Provided is a method for co-producing iodine and salt by use of underground brine containing iodine salt and sodium chloride. The method is a method to produce iodine and salt in parallel including a series of steps including: an iodine acquisition step; a collecting step for obtaining concentrated brine by simultaneously concentrating iodine salt and sodium chloride by using an electrodialysis device; and a roasting step for obtaining salt. The present invention encompasses various aspects in terms of the order of performing the iodine acquisition step, the collecting step, and the roasting step, which are included in the series of steps.
Claims11
A method for co-producing iodine and salt, comprising:
- producing the iodine and salt in parallel using underground brine containing iodine salt and sodium chloride,
- wherein the method comprises a series of steps including an iodine acquisition step, a collecting step for obtaining simultaneously concentrating iodine salt and sodium chloride by using an electrodialysis device to obtain concentrated brine, and a roasting step for obtaining the salt.
Dependencies are inferred from the claim text.