Preventing or reducing scale in wet-process phosphoric acid production

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United States of America Patent

PATENT NO 9028787
APP PUB NO 20110076219A1
SERIAL NO

12888861

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Abstract

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Methods for preventing or reducing the formation of scale in a wet-process phosphoric acid production process by intermixing a water-soluble functional organic reagent with a phosphoric acid at one or more step of the phosphoric acid production process in an amount sufficient to prevent or reduce at least one species of scale are provided.

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Patent Owner(s)

Patent OwnerAddress
CYTEC TECHNOLOGY CORP300 DELAWARE AVENUE WILMINGTON DE 19801

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ravishankar, Sathanjheri A Shelton, US 12 83
Wang, Bing Brookfield, US 403 3504

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