Effect of Carboxylic Acids on Gypsum Crystallization

What is it about?

The role of carboxylic acids used as additives in gypsum crystallization is still not clearly clarified. Combined analyses proved that the amount of carboxylic acid adsorbed onto the calcium sulfate dihydrate crystals increased with higher carbonyl group numbers. This affected significantly the morphology, particle size, and filtration characteristics of the calcium sulfate dihydrate crystals.

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