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公开(公告)号：US11559754B2
公开(公告)日：2023-01-24
申请号：US16867431
申请日：2020-05-05
摘要： An apparatus and method for extraction of oils from botanical material using high-pressure hydrocarbons such as propane, or butane, or mixtures thereof are described. A high-pressure propane or butane saturated liquid/vapor mixture formed by pressure reduction through a valve placed before an extraction column, thereby serving as an expansion port was employed. The apparatus is capable of both continuous liquid extraction or batch-style liquid operation through the use of a manifold valve, which directs the solvent liquid/vapor in the system to either a supply tank or an extraction column.
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公开(公告)号：US20240310091A1
公开(公告)日：2024-09-19
申请号：US18608745
申请日：2024-03-18
发明人： Zachary R. Lantz
CPC分类号： F25B41/20 , F25B49/022 , F25B2400/23
摘要： Apparatus and method for evaporating and condensing liquids in the absence of external heating and cooling, respectively, are described. A volatile liquid, such as a hydrocarbon solvent, contained in either the core or outer chambers of a jacketed container, is cooled by depressurization, which results in auto-refrigeration of the liquid as it evaporates. The resulting vapor from the evaporation may be directed to the inlet of a compressor, where the vapor is pressurized and heated as a result of the pressurization process, forming a compressed, heated vapor, and then directed into the other chamber of the jacketed container from which it was vaporized. Heat is removed from the compressed, heated vapor by the auto-cooled liquid in the other chamber causing the hot, pressurized vapor to transition in turn to a hot vapor, a cooler vapor, a warm liquid, and finally a cold liquid. The resulting condensed and chilled solvent liquid can then be removed from the jacketed container through a back pressure valve, for re-use.
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公开(公告)号：US20200346136A1
公开(公告)日：2020-11-05
申请号：US16867431
申请日：2020-05-05
摘要： An apparatus and method for extraction of oils from botanical material using high-pressure hydrocarbons such as propane, or butane, or mixtures thereof are described. A high-pressure propane or butane saturated liquid/vapor mixture formed by pressure reduction through a valve placed before an extraction column, thereby serving as an expansion port was employed. The apparatus is capable of both continuous liquid extraction or batch-style liquid operation through the use of a manifold valve, which directs the solvent liquid/vapor in the system to either a supply tank or an extraction column.
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公开(公告)号：US11712639B2
公开(公告)日：2023-08-01
申请号：US18078650
申请日：2022-12-09
CPC分类号： B01D11/043 , B01D5/003 , B01D5/0051 , B01D11/0434 , B01D11/0484 , B01D11/0492
摘要： An apparatus and method for extraction of oils from botanical material using high-pressure hydrocarbons such as propane, or butane, or mixtures thereof are described. A high-pressure propane or butane saturated liquid/vapor mixture formed by pressure reduction through a valve placed before an extraction column, thereby serving as an expansion port was employed. The apparatus is capable of both continuous liquid extraction or batch-style liquid operation through the use of a manifold valve, which directs the solvent liquid/vapor in the system to either a supply tank or an extraction column.
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公开(公告)号：US20220128272A1
公开(公告)日：2022-04-28
申请号：US17508937
申请日：2021-10-22
摘要： Apparatus and method for heating and cooling a refrigerant are described. The refrigerant, which may be contained in the core of a jacketed container, is cooled by depressurization and evaporation of a portion of the refrigerant also contained in the jacket of the container. The vapor resulting from the evaporation is directed to the inlet of a compressor for pressurizing the vapor, which is then passed through a condenser where heat is removed causing the high-pressure refrigerant vapor to transition to hot vapor, warm liquid, and cold vapor. Heat generated by compression of the hydrocarbon refrigerant vapor to a state of super-heated vapor may be directed to the jacket of a vessel requiring heating.
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公开(公告)号：US10758839B1
公开(公告)日：2020-09-01
申请号：US16254196
申请日：2019-01-22
摘要： The use transmission/absorbance of visible light to determine accurate separation of distillation products emerging from a condenser is described. Changes in wavelength and intensity of light transmitted through or absorbed by the distillate, post condenser, determine when a new fraction passes through the condenser, and may be directed to an appropriate collection vessel.
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