Title:
FERTILIZER GRANULATE CONTAINING MAGNESIUM, SULPHATE AND UREA
Document Type and Number:
WIPO Patent Application WO/2021/036494
Kind Code:
A1
Abstract:
Disclosed is a spherical fertiliser granulate, which contains magnesium, sulphate and urea, each with respect to the total weight of the granulate, in the following quantities: Urea, calculated as elemental nitrogen, in a quantity of 20.0 to 38.0 wt%, magnesium, calculated as elemental magnesium, in a quantity of 1.5 to 9.5 wt% and sulphate, calculated as elemental sulphur, in a quantity of 2.7 to 12.0 wt%, wherein at least a portion of the magnesium, the urea and the sulphate is present in the form of at least one of the crystalline phases of the formulae MgSO4 * 6 NH 2-C (=O) -NH2 * 0.5 H2O (I) and MgSO4 * 4 NH2-C (=O) -NH2 * H2O (II), wherein 1 to 20 wt%, in particular 3 to 18 wt% and especially 5 to 15 wt% of the magnesium contained in the fertilizer granulate, calculated in each case as elemental magnesium, is present in the form of water-insoluble magnesium salts. Disclosed also is a process for manufacturing the fertiliser granulate as well as the use of the fertiliser granulate as fertiliser or in fertiliser mixtures.
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Inventors:
BAUCKE GUIDO (DE)
DENG LIEYING (CN)
DIETRICH ARMIN (DE)
DRESSEL STEFAN (DE)
FU CHUANFENG (CN)
GUO YANLIANG (CN)
SCHERR DAVID (DE)
THENERT STEFAN (DE)
WALDMANN LUDGER (DE)
WIEBEL JOSEF (DE)
DENG LIEYING (CN)
DIETRICH ARMIN (DE)
DRESSEL STEFAN (DE)
FU CHUANFENG (CN)
GUO YANLIANG (CN)
SCHERR DAVID (DE)
THENERT STEFAN (DE)
WALDMANN LUDGER (DE)
WIEBEL JOSEF (DE)
Application Number:
PCT/CN2020/099469
Publication Date:
March 04, 2021
Filing Date:
June 30, 2020
Export Citation:
Assignee:
K S AG (DE)
SHENZHEN K S TRADING CO LTD (CN)
SHENZHEN K S TRADING CO LTD (CN)
International Classes:
C05C9/00; C05G1/00; C05D5/00; C05G5/00
Foreign References:
| CN110041114A | 2019-07-23 | |||
| US20140360239A1 | 2014-12-11 | |||
| US20160046534A1 | 2016-02-18 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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