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1. 发明申请

US20130111808A1 CLEANING AND DEWATERING FINE COAL 有权
标题翻译：清洁和清洁精细煤
公开(公告)号：US20130111808A1
公开(公告)日：2013-05-09
申请号：US13576067
申请日：2011-01-31
申请人： Roe-Hoan Yoon , Mert K. Eraydin , Chad Freeland
发明人： Roe-Hoan Yoon , Mert K. Eraydin , Chad Freeland
IPC分类号： C10L5/04
CPC分类号： B03B9/005 , B03B1/04 , C10L5/366 , C10L9/10
摘要： Fine coal is cleaned of its mineral matter impurities and dewatered by mixing the aqueous slurry containing both with a hydrophobic liquid, subjecting the mixture to a phase separation. The resulting hydrophobic liquid phase contains coal particles free of surface moisture and droplets of water stabilized by coal particles, while the aqueous phase contains the mineral matter. By separating the entrained water droplets from the coal particles mechanically, a clean coal product of substantially reduced mineral matter and moisture contents is obtained. The spent hydrophobic liquid is separated from the clean coal product and recycled. The process can also be used to separate one type of hydrophilic particles from another by selectively hydrophobizing one.
摘要翻译：通过将含有两者的含水浆料与疏水性液体混合，使混合物进行相分离，精细煤清除其矿物质杂质并脱水。所得到的疏水性液相含有不含表面水分的煤颗粒和由煤颗粒稳定的水滴，而水相含有矿物质。通过机械地将夹带的水滴从煤颗粒中分离出来，获得了基本上减少的矿物质和水分含量的干净的煤制品。将废弃的疏水性液体与清洁煤产品分离并再循环。该方法还可用于通过选择性疏水化一种亲水颗粒与另一种亲水颗粒分离。

2. 发明授权

US09789492B2 Cleaning and dewatering fine coal 有权
公开(公告)号：US09789492B2
公开(公告)日：2017-10-17
申请号：US13576067
申请日：2011-01-31
申请人： Roe-Hoan Yoon , Mert K. Eraydin , Chad Freeland
发明人： Roe-Hoan Yoon , Mert K. Eraydin , Chad Freeland
IPC分类号： C10L9/06 , C10L9/12 , B03B9/00 , B03B1/04 , C10L5/36 , C10L9/10
CPC分类号： B03B9/005 , B03B1/04 , C10L5/366 , C10L9/10
摘要： Fine coal is cleaned of its mineral matter impurities and dewatered by mixing the aqueous slurry containing both with a hydrophobic liquid, subjecting the mixture to a phase separation. The resulting hydrophobic liquid phase contains coal particles free of surface moisture and droplets of water stabilized by coal particles, while the aqueous phase contains the mineral matter. By separating the entrained water droplets from the coal particles mechanically, a clean coal product of substantially reduced mineral matter and moisture contents is obtained. The spent hydrophobic liquid is separated from the clean coal product and recycled. The process can also be used to separate one type of hydrophilic particles from another by selectively hydrophobizing one.

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