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Title: Hail tower for gas-vapor separations

Abstract

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, passes through the gas inlet. The product vapor and the sub-cooled pellets comprise the same material. The product vapor and the sub-cooled pellets agglomerate as the product vapor desublimates onto the sub-cooled pellets, forming product pellets and a vapor-depleted gas. A crushing device, a screening device, and a solids heat exchanger are provided. A portion of the product pellets are recycled as sub-cooled pellets to the solids distributor by crushing and screening the portion of the product pellets to the size distribution of the sub-cooled pellets and cooling the portion of the product pellets to produce the sub-cooled pellets.

Inventors:
; ; ; ; ; ;
Issue Date:
Research Org.:
Hall Labs LLC, Provo, UT (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1632569
Patent Number(s):
10563916
Application Number:
15/635,985
Assignee:
Hall Labs LLC (Provo, UT)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F25 - REFRIGERATION OR COOLING F25J - LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS {OR LIQUEFIED GASEOUS} MIXTURES BY PRESSURE AND COLD TREATMENT {OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
DOE Contract Number:  
FE0028697
Resource Type:
Patent
Resource Relation:
Patent File Date: 06/28/2017
Country of Publication:
United States
Language:
English

Citation Formats

Baxter, Larry, Sayre, Aaron, Hoeger, Christopher, Burt, Stephanie, Frankman, David, Mansfield, Eric, and Davis, Nathan. Hail tower for gas-vapor separations. United States: N. p., 2020. Web.
Baxter, Larry, Sayre, Aaron, Hoeger, Christopher, Burt, Stephanie, Frankman, David, Mansfield, Eric, & Davis, Nathan. Hail tower for gas-vapor separations. United States.
Baxter, Larry, Sayre, Aaron, Hoeger, Christopher, Burt, Stephanie, Frankman, David, Mansfield, Eric, and Davis, Nathan. Tue . "Hail tower for gas-vapor separations". United States. https://www.osti.gov/servlets/purl/1632569.
@article{osti_1632569,
title = {Hail tower for gas-vapor separations},
author = {Baxter, Larry and Sayre, Aaron and Hoeger, Christopher and Burt, Stephanie and Frankman, David and Mansfield, Eric and Davis, Nathan},
abstractNote = {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, passes through the gas inlet. The product vapor and the sub-cooled pellets comprise the same material. The product vapor and the sub-cooled pellets agglomerate as the product vapor desublimates onto the sub-cooled pellets, forming product pellets and a vapor-depleted gas. A crushing device, a screening device, and a solids heat exchanger are provided. A portion of the product pellets are recycled as sub-cooled pellets to the solids distributor by crushing and screening the portion of the product pellets to the size distribution of the sub-cooled pellets and cooling the portion of the product pellets to produce the sub-cooled pellets.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {2}
}

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Works referenced in this record:

Process to recover solvents from waste gases
patent, May 1994