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(11)    Patent No :    AP 2624   
(21)    Application No :    AP/P/2010/005359   
(22)    Filing Date :    25.09.2008   
(24)    Date of Grant &    19.03.2013   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
IN    207/DEL/2008    25.01.2008

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
 

(73) Applicant(s)

COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH,

Anusandhan Bhawan, 2 Rafi Marg, New Delhi 110 001,
India
(72) Inventors
GHOSH Pushpito Kumar, India
GANDHI Mahesh Ramaniklal, India
MEHTA Satish Hariray, India
et al
(74) Representative
FISHER CORMACK & BOTHA

(51)  International  Classification   C01F 7/00 (2006.01)    A23L 1/304 (2006.01)
(54)    Title

A Process for the preparation of stable iodate-exchanged synthetic hydrotalcite with zero effluent discharge.

(57)    Abstract

The present invention relates to a process for the preparation of stable iodate-exchanged hydrotalcite with zero effluent discharge. T he iodate-exchanged hydrotalcite produced is useful as iodizing agent. The invention further relates to utilization of alkaline effluent generated in the process of ion exchange of iodate into SHT so as to fully recycle the residual iodate anion and also utilize the alkali generated in the process for production of additional quantities of iodate through reaction with iodine crystals followed

by electrochemical oxidation to obtain pure aqueous solution of iodate salt which can be reused for preparation of the stable iodizing agent. The process

(56)    Documents Cited :    US 2006/003024 A1    ZA 200 004 598 A

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