David Frankman
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View article: Vessel and method for solid-liquid separation
Vessel and method for solid-liquid separation Open
Devices, systems, and methods for separating solids from liquids are disclosed. A vessel includes an inlet, a carrier liquid outlet, a product outlet, a purifying section, and a heater. The inlet directs a slurry into the purifying section…
View article: Method for separating components using solids producing multi-stage direct and indirect-contact exchange
Method for separating components using solids producing multi-stage direct and indirect-contact exchange Open
A process for forming a solid product or products is disclosed. The process is provided with n desublimating exchangers. An exchanger E1 being associated with a first exchanger and an exchanger En being associated with an nth exchanger, n …
View article: Method for semi-continuous heat exchange operations by alternating between heat exchangers
Method for semi-continuous heat exchange operations by alternating between heat exchangers Open
A method for semi-continuous operation of a heat exchange process that alternates between two heat exchangers is disclosed. The method comprises, first, providing a contact liquid to a first heat exchanger while the second heat exchanger i…
View article: Method for preventing fouling of a demister
Method for preventing fouling of a demister Open
A method for preventing fouling of a demister is disclosed. A process fluid is provided into a vessel. A gas is provided to a gas inlet of the vessel. The gas comprises a component that desublimates, crystallizes, solidifies, reacts, or a …
View article: Hail tower for gas-vapor separations
Hail tower for gas-vapor separations Open
A device and process for removing vapors from a gas is disclosed. A tower is provided. Sub-cooled pellets are distributed by the solids distributor across a horizontal cross-section of the tower. A process gas, comprising a product vapor, …
View article: Circulating fluidized bed connected to a desublimating heat exchanger
Circulating fluidized bed connected to a desublimating heat exchanger Open
Condensable vapors such as carbon dioxide are separated from light gases in a process stream. The systems and methods employ a circulating fluidized particle bed cooled by an out-bed heat exchanger to desublimate the solid form of condensa…
View article: Hoses with endcapsulated springs
Hoses with endcapsulated springs Open
A device is disclosed comprising a pinchable hose with an inner wall and an outer wall. The hose comprises a flexible material and one or more springs. A central axis of the one or more springs is contained within a space between the inner…
View article: Method for concentrating solids and removing solids from a filter medium
Method for concentrating solids and removing solids from a filter medium Open
Disclosed are methods for concentrating solids and removing solids from a filter medium. The method includes the step of concentrating first particles of a first solid by removing a fluid stream through a filter medium in a filter. At leas…
View article: Nested bubbling apparatus
Nested bubbling apparatus Open
A device for bubbling a gas into a liquid is disclosed. The device comprises a first bubbling apparatus nested inside a second bubbling apparatus. The first bubbling apparatus comprises a gas inlet for receiving the gas and a plurality of …
View article: Apparatus and method for measuring level
Apparatus and method for measuring level Open
A vessel with a cavity for measuring level is disclosed. The vessel includes a differential pressure sensor having a first port and a second port, a reference tube that connects the first port of the differential pressure sensor to a botto…
View article: Method for negating deposits using turbulence
Method for negating deposits using turbulence Open
A method for preventing fouling of an operating heat exchanger is disclosed. A carrier liquid is provided to the heat exchanger. The carrier liquid contains a potential fouling agent. The potential fouling agent is entrained in the carrier…
View article: Droplet generating rotating cutters
Droplet generating rotating cutters Open
A device for producing droplets is disclosed. A disk assembly comprising a first disk mounted to a second disk is provided. The first disk comprises first openings. The second disk comprises second openings. The first openings and the seco…
View article: Method for solid-liquid separations
Method for solid-liquid separations Open
Devices, systems, and methods are disclosed to separate solids from liquids. A vessel includes a screw, an inlet, a first outlet, and a second outlet. The inlet receives a first slurry having an incoming solids concentration. The first slu…
View article: Method for separating solids suspended or entrained in a liquid
Method for separating solids suspended or entrained in a liquid Open
A method of separating solids from a slurry or suspension is disclosed. The method includes: providing a slurry or suspension containing solids and liquid to an input port of a first side of a filter, the filter providing a filtering size …
View article: Diaphragms with encapsulated springs
Diaphragms with encapsulated springs Open
A device is disclosed comprising a diaphragm mechanism. A diaphragm mechanism comprises an enclosure defined by opposing flexible walls joined along a perimeter of the enclosure and one or more coiled springs contained entirely between the…
View article: Recent Cryogenic Carbon Capture™ Field Test Results
Recent Cryogenic Carbon Capture™ Field Test Results Open
View article: Cryogenic Carbon Capture Development Final/Technical Report
Cryogenic Carbon Capture Development Final/Technical Report Open
This project extends and leverages the work completed under funding from ARPA-E and other sources by exploring aspects of the Cryogenic Carbon Capture™ (CCC) process and issues discovered during those projects, but that were not within the…
View article: Theoretical and experimental analysis of dynamic heat exchanger: Retrofit configuration
Theoretical and experimental analysis of dynamic heat exchanger: Retrofit configuration Open
View article: Prediction and validation of external cooling loop cryogenic carbon capture (CCC-ECL) for full-scale coal-fired power plant retrofit
Prediction and validation of external cooling loop cryogenic carbon capture (CCC-ECL) for full-scale coal-fired power plant retrofit Open