发明名称 |
SULPHUR-CONTAINING FERTILIZERS AND PROCESS FOR THE PREPARATION THEREOF |
摘要 |
<p>According to the present invention, there is provided a process for the manufacture of sulphur-containing fertilizer compositions, said process comprising the steps of: a) providing a slurry of at least one phosphate-based fertilizer material selected from the group consisting of ammonium phosphates, ammonium phosphate based nitrogen-phosphorus-potassium (NPK) compounds, super phosphates and partially acidulated phosphate rocks; b} bringing said slurry into contact with at least one surfactant and elemental sulphur; and c) introducing the mixture obtained in step b) into a granulator unit in order to obtain granules of the fertilizer composition, wherein the elemental sulphur is present in an amount in the range of form 1 to 25 wt. %, based on the total weight of the fertilizer composition The present invention also provides a fertilizer composition.</p> |
申请公布号 |
EP2382171(B1) |
申请公布日期 |
2015.03.11 |
申请号 |
EP20100703038 |
申请日期 |
2010.01.29 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
ANTENS, JANY BIRGITTA MARIA;GARCIA MARTINEZ, RAFAEL ALBERTO;LAMBERT, REGINALD;O'BRIEN, JASON TREVOR;REYNHOUT, MARINUS JOHANNES;VERBIST, GUY LODE MAGDA MARIA;WOODRUFFE, JOHN |
分类号 |
C05G3/06 |
主分类号 |
C05G3/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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