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    Ferrous pebbles as a catalyst for enhanced methane generation from rice husk
    1.
    发明授权
    Ferrous pebbles as a catalyst for enhanced methane generation from rice husk 有权

    公开(公告)号：US11866755B1

    公开(公告)日：2024-01-09

    申请号：US18237027

    申请日：2023-08-23

    申请人： KING FAISAL UNIVERSITY

    发明人： Muhammad Aamir ,  Muhammad Hassan

    IPC分类号： C12P5/02 ,  C12M1/107

    CPC分类号： C12P5/023 ,  C12M21/04

    摘要： A method and system for enhancing methane generation in biogas production includes feeding cow manure and glucose into a semi-continuous stirring tank reactor. Incubating the cow manure and glucose to form waste activated sludge with methanogen growth. The methanogen growth is enhanced by surface areas of ferrous pebbles within the semi-continuous stirring tank reactor. Feeding rice husk and water into the semi-continuous stirring tank reactor. Mixing the rice husk, the water, and the formed waste activated sludge together to form a mixture. Initiating an anaerobic digestion process during the mixing to produce high volatile fatty acids. Increasing the production of the high volatile fatty acids to a higher level by enhancing adsorption of the methanogen microorganisms onto the ferrous pebbles. Reacting the higher level of the high volatile fatty acids with the ferrous pebbles to increase conversion of the higher level of volatile fatty acids to methane while producing biogas.

    Open land overhead moveable nozzle sprinkle irrigation system for varied terrain
    3.
    发明授权
    Open land overhead moveable nozzle sprinkle irrigation system for varied terrain 有权

    公开(公告)号：US11877544B1

    公开(公告)日：2024-01-23

    申请号：US18126033

    申请日：2023-03-24

    申请人： KING FAISAL UNIVERSITY

    发明人： Muhammad Aamir ,  Muhammad Sajid ,  Nazeer Muhammad

    IPC分类号： A01G25/00 ,  A01G25/02 ,  B05B15/628 ,  B05B13/04

    CPC分类号： A01G25/02 ,  B05B13/041 ,  B05B15/628

    摘要： An irrigation system is configured with a sprinkler module resting on at least two guide rails supported in a parallel arrangement by a plurality of legs, with the legs forming a rack used to provide a guideway for a sprinkler module along the guide rails, with the guide rails and cross supports arranged to form a plane. An adjustment is provided for positioning the plane of the guide rails and cross supports at tilt or angular adjustment of the plane to provide a selected alignment of the plane with a terrain location of the irrigation system. The sprinkler module is connectable to a water source capable of providing a water supply for discharge through the sprinkler modules; and at least one tracking wheel drive motor, such as a water powered drive motor or an electric motor, is provided for driving the sprinkler module along the guide rails.

    Solar-powered system for generating steam and distilled water
    4.
    发明授权
    Solar-powered system for generating steam and distilled water 有权

    公开(公告)号：US11819776B1

    公开(公告)日：2023-11-21

    申请号：US18163168

    申请日：2023-02-01

    申请人： KING FAISAL UNIVERSITY

    发明人： Muhammad Aamir ,  Nazeer Muhammad ,  Muhammad Sajid

    IPC分类号： B01D3/02 ,  B01D1/00 ,  B01D5/00 ,  C02F1/14 ,  F24S10/40

    CPC分类号： B01D1/0035 ,  B01D3/02 ,  B01D5/006 ,  C02F1/14 ,  C02F2201/009 ,  C02F2301/08 ,  F24S10/45

    摘要： The solar-powered system for generating steam and distilled water includes a first conduit having an inlet for receiving a feed stream of water and an outlet for dispensing heated water. The first conduit has at least one steam vent for releasing at least a first volume of steam. At least one evacuated tube collector is in fluid communication with the first conduit for solar heating of the feed stream of water to produce the heated water and the at least first volume of steam. At least one boiler is in fluid communication with the first conduit for receiving a portion of the heated water for boiling thereof to produce a second volume of steam. At least one photovoltaic panel is in electrical communication with the at least one boiler for providing power thereto, and a condenser receives the second volume of steam for condensation thereof into distilled water.

    High pressure, high temperature spray cooling system
    6.
    发明授权
    High pressure, high temperature spray cooling system 有权

    公开(公告)号：US11905567B1

    公开(公告)日：2024-02-20

    申请号：US18127424

    申请日：2023-03-28

    申请人： King Faisal University

    发明人： Muhammad Aamir ,  Muhammad Sajid ,  Muhammad Zubair

    IPC分类号： C21D1/667 ,  B22F1/054 ,  C21D11/00

    CPC分类号： C21D1/667 ,  B22F1/054 ,  C21D11/005 ,  B22F2301/052 ,  B22F2301/10

    摘要： A high pressure, high temperature spray cooling system for heat transfer. The system includes: a supply tank having a heater and a high pressure pump; and a spray chamber spaced apart from the supply tank. The spray chamber has a workpiece receiving bed and a nozzle spaced apart from the workpiece receiving bed. The supply line has a first supply line end and a second supply line end. The first supply line end is connected to the supply tank and the second supply line end is connected to the nozzle so that the contents within the supply tank are supplied to the nozzle through the supply line at a high pressure to cool a workpiece on the workpiece receiving bed.