White functional additives derived from filtration spent cake containing diatomite
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United States of America Patent
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Jan 31, 2023
Grant Date -
Oct 29, 2020
app pub date -
Aug 4, 2017
filing date -
Aug 4, 2017
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Abstract
This disclosure concerns flux-calcined products manufactured from filtration waste streams, and methods for manufacturing the same. In particular, it concerns functional additives produced from spent cake comprising diatomite filtration media which are suitable for use in paints, plastic films and elastomers for control of optical and surface properties, and processes which are suitable for manufacture of such products. It further concerns the recovery of energy from spent cakes during the regeneration process.
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