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公开(公告)号：US09856180B2
公开(公告)日：2018-01-02
申请号：US15316127
申请日：2015-06-01
申请人： Sirius Minerals PLC
发明人： Steve Farnworth , Mike Evans , Jim Evans
CPC分类号： C05G3/0058 , B01J2/006 , B01J2/14 , B29B9/08 , C05D1/00 , C05D1/005 , C05D3/00 , C05D5/00 , C05G1/00
摘要： A method for forming a pelletized evaporite mineral product, the method comprising: forming a material comprising a liquid and at least 50% by mass of an evaporite mineral powder; and processing the material using a pan pelletizer to form pellets comprising the material, the pan pelletizer being configured so that the mean dwell time of the material in the pan of the pelletizer is in the range from 60 to 120 seconds and the mean diameter of the pellets formed by the pelletizer is in the range from 1 to 8 mm.
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公开(公告)号：US20190233346A1
公开(公告)日：2019-08-01
申请号：US16377051
申请日：2019-04-05
申请人： Sirius Minerals PLC
发明人： Steve Farnworth , Mike Evans , Jim Evans
摘要： A method for forming a pelletised evaporite mineral product, the method comprising: pulverising an evaporite mineral feedstock to form a dry powder, mixing the dry powder with a binder in the presence of a liquid to form an intermediate blend; and processing the intermediate blend using a pelletiser to form pellets principally composed of the evaporite mineral.
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公开(公告)号：US10252952B2
公开(公告)日：2019-04-09
申请号：US15316132
申请日：2015-06-01
申请人： Sirius Minerals PLC
发明人： Steve Farnworth , Mike Evans , Jim Evans
摘要： A method for forming a pelletized evaporite mineral product, the method comprising: pulverizing an evaporite mineral feedstock to form a dry powder; mixing the dry powder with a binder in the presence of a liquid to form an intermediate blend; and processing the intermediate blend using a pelletizer to form pellets principally composed of the evaporite mineral.
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公开(公告)号：US20170137333A1
公开(公告)日：2017-05-18
申请号：US15316127
申请日：2015-06-01
申请人： Sirius Minerals PLC
发明人： Steve Farnworth , Mike Evans , Jim Evans
CPC分类号： C05G3/0058 , B01J2/006 , B01J2/14 , B29B9/08 , C05D1/00 , C05D1/005 , C05D3/00 , C05D5/00 , C05G1/00
摘要： A method for forming a pelletised evaporite mineral product, the method comprising: forming a material comprising a liquid and at least 50% by mass of an evaporite mineral powder; and processing the material using a pan pelletiser to form pellets comprising the material, the pan pelletiser being configured so that the mean dwell time of the material in the pan of the pelletiser is in the range from 60 to 120 seconds and the mean diameter of the pellets formed by the pelletiser is in the range from 1 to 8 mm.
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公开(公告)号：US20170096376A1
公开(公告)日：2017-04-06
申请号：US15316041
申请日：2015-06-01
申请人： Sirius Minerals PLC
发明人： Steve Farnworth , Mike Evans , Jim Evans , Robert Meakin
CPC分类号： A01C1/06 , B01J2/006 , B01J2/14 , B29B9/08 , C05D1/00 , C05D9/00 , C05G3/00 , C05G3/0041 , C05G3/0052 , C05G3/0058 , C05D3/00 , C05D5/00
摘要： A fertiliser product in the form of pellets comprising: at least 80% by mass of an evaporite mineral powder having a mean grain size in the range from 50 to 400 pm; and a binder; the pellets having a compression strength greater than 2 kgf. A coated seed product comprising at least one plant seed and a coating adhered to the exterior of the plant seed, comprising an evaporite material.
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公开(公告)号：US10349574B2
公开(公告)日：2019-07-16
申请号：US15316041
申请日：2015-06-01
申请人： Sirius Minerals PLC
发明人： Steve Farnworth , Mike Evans , Jim Evans , Robert Meakin
IPC分类号： A01C1/06 , B01J2/00 , B01J2/14 , B29B9/08 , C05D1/00 , C05D3/00 , C05D5/00 , C05D9/00 , C05G3/00
摘要： A fertilizer product in the form of pellets comprising: at least 80% by mass of an evaporite mineral powder having a mean grain size in the range from 50 to 400 pm; and a binder; the pellets having a compression strength greater than 2 kgf. A coated seed product comprising at least one plant seed and a coating adhered to the exterior of the plant seed, comprising an evaporite material.
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公开(公告)号：US20180327328A1
公开(公告)日：2018-11-15
申请号：US15775336
申请日：2016-11-10
申请人： SIRIUS MINERALS PLC
CPC分类号： C05C9/005 , C05D1/00 , C05G3/0041 , C05G3/0058 , C05D3/00 , C05D5/00 , C05D9/00
摘要： A fertiliser pellet comprising: a first region of a nitrogen-providing fertiliser composition; and a second region adhered to the exterior of the first region, the second region comprising a fertiliser composition capable of providing (a) two or more alkali metal and/or alkaline earth metal nutrients and (b) sulphur.
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公开(公告)号：US09949424B2
公开(公告)日：2018-04-24
申请号：US15316120
申请日：2015-06-01
申请人： Sirius Minerals PLC
发明人： Robert Meakin
CPC分类号： A01C1/06 , B01J2/006 , B01J2/14 , B29B9/08 , C05D1/00 , C05D9/00 , C05G3/00 , C05G3/0041 , C05G3/0052 , C05G3/0058 , C05D3/00 , C05D5/00
摘要： A coated seed product, the product comprising: at least one plant seed; and a coating adhered to the exterior of the plant seed, the coating comprising one or more evaporite minerals, preferably polyhalite.
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公开(公告)号：US20170305805A1
公开(公告)日：2017-10-26
申请号：US15515995
申请日：2015-08-27
申请人： Sirius Minerals PLC
发明人： Steve Farnworth , Mike Evans , Jim Evans
CPC分类号： C05G3/0058 , B01F3/18 , B01F13/1025 , B01F15/06 , B01F2015/062 , B01J2/20 , B01J2/28 , C05D1/00 , C05D1/005 , C05G3/0047 , C05D3/00 , C05D5/00 , C05F11/00
摘要： A method for manufacturing a pelletised mineral product, the method comprising: in a first mixing step, forming a first mixture by mixing the evaporite mineral with non- gelatinised starch under conditions that are insufficient to substantially gelatinise the starch; in a second mixing step, forming a second mixture by mixing the first mixture under conditions that are sufficient to substantially gelatinise the starch comprised within the first mixture; and forming the second mixture into pellets.
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公开(公告)号：US20170129822A1
公开(公告)日：2017-05-11
申请号：US15316132
申请日：2015-06-01
申请人： SIRIUS MINERALS PLC
发明人： Steve Farnworth , Mike Evans , Jim Evans
摘要： A method for forming a pelletised evaporite mineral product, the method comprising: pulverising an evaporite mineral feedstock to form a dry powder; mixing the dry powder with a binder in the presence of a liquid to form an intermediate blend; and processing the intermediate blend using a pelletiser to form pellets principally composed of the evaporite mineral.
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