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Title: Continuous fluidized-bed contactor with recycle of sorbent

Abstract

A continuous fluidized-bed contactor containing sorbent particles is used to remove solutes from liquid solvents. As the sorbent particles, for example gel beads, sorb the solute, for example metal ion species, the sorbent particles tend to decrease in diameter. These smaller loaded sorbent particles rise to the top of the contactor, as larger sorbent particles remain at the bottom of the contactor as a result of normal hydraulic forces. The smaller loaded sorbent particles are then recovered, regenerated, and reintroduced into the contactor. Alternatively, the loaded sorbent particles may also slightly increase in diameter, or exhibit no change in diameter but an increase in density. As a result of normal hydraulic forces the larger loaded sorbent particles fall to the bottom of the contactor. The larger loaded sorbent particles are then recovered, regenerated, and reintroduced into the contactor.

Inventors:
 [1];  [2];  [3]
  1. Oak Ridge, TN
  2. Moscow, ID
  3. Knoxville, TN
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
OSTI Identifier:
870499
Patent Number(s):
5534153
Assignee:
Martin Marietta Energy Systems, Inc. (Oak Ridge, TN)
Patent Classifications (CPCs):
C - CHEMISTRY C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE C02F - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
DOE Contract Number:  
AC05-84OR21400
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
continuous; fluidized-bed; contactor; recycle; sorbent; containing; particles; remove; solutes; liquid; solvents; example; beads; sorb; solute; metal; species; tend; decrease; diameter; loaded; rise; top; larger; remain; bottom; result; normal; hydraulic; forces; recovered; regenerated; reintroduced; alternatively; slightly; increase; exhibit; change; density; fall; sorbent particles; liquid solvent; particles remain; hydraulic force; fluidized-bed contactor; contactor containing; continuous fluidized-bed; containing sorbent; /210/

Citation Formats

Scott, Charles D, Petersen, James N, and Davison, Brian H. Continuous fluidized-bed contactor with recycle of sorbent. United States: N. p., 1996. Web.
Scott, Charles D, Petersen, James N, & Davison, Brian H. Continuous fluidized-bed contactor with recycle of sorbent. United States.
Scott, Charles D, Petersen, James N, and Davison, Brian H. Mon . "Continuous fluidized-bed contactor with recycle of sorbent". United States. https://www.osti.gov/servlets/purl/870499.
@article{osti_870499,
title = {Continuous fluidized-bed contactor with recycle of sorbent},
author = {Scott, Charles D and Petersen, James N and Davison, Brian H},
abstractNote = {A continuous fluidized-bed contactor containing sorbent particles is used to remove solutes from liquid solvents. As the sorbent particles, for example gel beads, sorb the solute, for example metal ion species, the sorbent particles tend to decrease in diameter. These smaller loaded sorbent particles rise to the top of the contactor, as larger sorbent particles remain at the bottom of the contactor as a result of normal hydraulic forces. The smaller loaded sorbent particles are then recovered, regenerated, and reintroduced into the contactor. Alternatively, the loaded sorbent particles may also slightly increase in diameter, or exhibit no change in diameter but an increase in density. As a result of normal hydraulic forces the larger loaded sorbent particles fall to the bottom of the contactor. The larger loaded sorbent particles are then recovered, regenerated, and reintroduced into the contactor.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {1}
}

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Works referenced in this record:

Effects of Particle Shape and Size Distribution on Sorption and Flow Performance in Electrically Stabilized Expanded Beds
journal, October 1988


Electrically Stabilized Expanded Beds for Sorption Separations
journal, February 1987


Adsorption of Sr by immobilized microorganisms
journal, January 1989


Accumulation of Cu++ onto modified bone-gelatin beads
journal, January 1990


Fluidization: Hydrodynamic Stabilization with a Magnetic Field
journal, April 1979