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公开(公告)号：US11331676B2
公开(公告)日：2022-05-17
申请号：US16788617
申请日：2020-02-12
Applicant: Virginia Tech Intellectual Properties, Inc.
Inventor： Roe-Hoan Yoon , Mert Kerem Eraydin
Abstract: 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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公开(公告)号：US20180036741A1
公开(公告)日：2018-02-08
申请号：US15786079
申请日：2017-10-17
Applicant: Virginia Tech Intellectual Properties, Inc.
Inventor： Roe-Hoan Yoon , Mert Kerem Eraydin
Abstract: 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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公开(公告)号：US20200179941A1
公开(公告)日：2020-06-11
申请号：US16788617
申请日：2020-02-12
Applicant: Virginia Tech Intellectual Properties, Inc.
Inventor： Roe-Hoan Yoon , Mert Kerem Eraydin
Abstract: 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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公开(公告)号：US10562038B2
公开(公告)日：2020-02-18
申请号：US15786079
申请日：2017-10-17
Applicant: Virginia Tech Intellectual Properties, Inc.
Inventor： Roe-Hoan Yoon , Mert Kerem Eraydin
Abstract: 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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