公开(公告)号：WO2016050232A3

公开(公告)日：2016-08-18

申请号：PCT/DE2015000476

申请日：2015-09-30

Applicant: K+S KALI GMBH

Inventor： BAUCKE GUIDO ,  MÜLLER-GOLDKUHLE MARCEL ,  DIETRICH ARMIN ,  REST TORSTEN ,  KEIDEL ROLAND ,  WALDMANN LUDGER

IPC: C05D1/02 ,  C01D5/00 ,  C05D1/00 ,  C05G3/00

CPC classification number: C05G3/0088 ,  B01J2/22 ,  C01D3/04 ,  C01D5/002 ,  C01D5/004 ,  C01P2004/61 ,  C01P2006/11 ,  C05D1/005 ,  C05D1/02 ,  C05G3/0058

Abstract: The invention relates to a method for producing sulphate of potash granulates, wherein 0.1 to 7.5 wt% of a sodium salt selected from among sodium chloride, sodium sulphate, sodium sulphate hydrates, sodium hydroxide and mixtures thereof are added to the sulphate of potash during the granulation process, the percentage by weight being in relation to the sulphate of potash used. In addition, 0.1 to 2.5 wt% of water are added prior to or during the granulation process. The invention also relates to the granulates obtained by said method as well as the use of sodium salts and glaserite and mixtures thereof for improving the mechanical properties of sulfate of potash granulates. The sulphate of potash granulates produced by the method of the invention have significantly greater bursting strength and significantly greater abrasion resistance than granulates known from the prior art.

Abstract translation: 本发明涉及一种用于生产硫酸钾颗粒的方法，其中在制粒过程中的硫酸钾是按重量计从氯化钠，硫酸钠，硫酸钠水合物，氢氧化钠和它们的混合物，其量为0.1至7.5％的钠盐 是基于使用硫酸钾，相加。 之前或粒化水％时，除了存在于0.1〜2.5的量。增加。 本发明还涉及通过该方法获得的颗粒和使用钠盐和用于改善硫酸钾颗粒的机械性能芒硝和它们的混合物。 通过本发明方法产生的硫酸钾颗粒具有，相对于现有技术中的颗粒显著更好爆裂强度已知的方法，和显著改善的耐磨性。