PROCESS FOR PREPARING A WET GROUND MINERAL MATERIAL
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United States of America
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Nov 28, 2024
app pub date -
Sep 29, 2022
filing date -
Sep 29, 2022
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Abstract
A process is provided for preparing a wet ground mineral material comprising the steps of: a) providing an aqueous suspension comprising a mineral material, wherein the aqueous suspension has a pH value of equal to or above 8.0; b) adding at least one hydroxide base to the aqueous suspension provided in step a); c) wet grinding the aqueous suspension during and/or after step b) to obtain an aqueous suspension comprising a wet ground mineral material, wherein the wet grinding is carried out in the presence of at least one dispersing agent, and wherein the aqueous suspension obtained in step c) has a pH value which is at least 0.10 above the pH value of a comparative aqueous suspension which is obtained by the same process but without carrying out step b).
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