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Method for improving the properties of urea granules, and urea granule.
Method for improving the properties of urea granules, and urea granule.
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机译:改善尿素颗粒性能的方法,以及尿素颗粒。
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摘要
A method of improving the properties of urea granulates, more especially the caking tendency, the dust formation and the foaming tendency in aqueous media, by the addition of an additive to the urea, wherein the additive comprises a carboxylic acid compound with the general formula XY(Z)COOH, in which Z is a saturated or unsaturated hydrocarbon with 1-25 carbon atoms and X and Y are selected from the group consisting of a hydrogen atom or a polar organic functional group, and in that the additive is added as a solution in a polar solvent to the urea granulates, which are subsequently dried.
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