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公开(公告)号：US20240360019A1
公开(公告)日：2024-10-31
申请号：US18769993
申请日：2024-07-11
IPC分类号： C02F9/00 , C02F1/24 , C02F1/52 , C02F1/66 , C02F103/32
CPC分类号： C02F9/00 , C02F1/24 , C02F1/52 , C02F1/66 , C02F2103/327 , C02F2209/06 , C02F2301/08
摘要： A method of treating dairy wastewater includes receiving a dairy wastewater stream at a first pH from a dairy processing facility at an equalization tank, receiving the dairy wastewater stream from the equalization tank at a pump, and, based on at least one of the first pH or a second pH of the dairy wastewater stream upon exiting the equalization tank, receiving an acid to the dairy wastewater stream prior to the pump. A pump outlet stream includes a mixture of the dairy wastewater stream and the acid at a third pH that is lower than the first pH. The method also includes receiving the pump outlet stream at a pipe reactor in fluidic communication with the pump, then receiving the pipe reactor outlet stream at a dissolved air flotation (DAF) unit, and then outputting a liquid stream at a final pH from the DAF unit.
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公开(公告)号：US20230033958A1
公开(公告)日：2023-02-02
申请号：US17526507
申请日：2021-11-15
IPC分类号： C02F9/00
摘要： Systems for treating dairy wastewater. The systems typically include an equalization tank configured to receive a dairy wastewater stream; a flash pump in fluidic communication with the equalization tank to receive the dairy wastewater stream, wherein the dairy wastewater stream includes dairy wastewater and an acid; and a pipe reactor in fluidic communication with the flash pump and configured to receive the pump outlet stream. The pipe reactor is fluidically coupled to a cationic coagulant feed stream conduit to receive a cationic coagulant feed stream and fluidically coupled to a flocculation feed stream conduit to receive the flocculation feed stream. The system also includes a dissolved air flotation unit configured to produce a liquid stream by separating coagulated and/or flocculated materials from a pipe reactor outlet stream.
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