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Title: Activated carbon fiber composite material and method of making

Patent ·
OSTI ID:873839
 [1];  [2];  [2];  [3];  [3]
  1. Oak Ridge, TN
  2. Knoxville, TN
  3. Lexington, KY
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An activated carbon fiber composite for separation and purification, or catalytic processing of fluids is described. The activated composite comprises carbon fibers rigidly bonded to form an open, permeable, rigid monolith capable of being formed to near-net-shape. Separation and purification of gases are effected by means of a controlled pore structure that is developed in the carbon fibers contained in the composite. The open, permeable structure allows the free flow of gases through the monolith accompanied by high rates of adsorption. By modification of the pore structure and bulk density the composite can be rendered suitable for applications such as gas storage, catalysis, and liquid phase processing.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
DOE Contract Number:
AC05-84OR21400
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
US 6258300
OSTI ID:
873839
Country of Publication:
United States
Language:
English

References (5)

Development and characterization of carbon-bonded carbon fiber insulation for radioisotope space power systems report June 1985
The effect of neutron irradiation on the structure and properties of carbon-carbon composite materials journal September 1992
Microporosity and adsorption characteristics against NO, SO2, and NH3 of pitch-based activated carbon fibers journal January 1988
Separation of Gases by Pressure Swin journal July 1991
Synthesis and characterization of activated pitch-based carbon fibers journal July 1993

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activated
carbon
fiber
composite
material
method
separation
purification
catalytic
processing
fluids
described
comprises
fibers
rigidly
bonded
form
permeable
rigid
monolith
capable
formed
near-net-shape
gases
effected
means
controlled
pore
structure
developed
contained
allows
free
flow
accompanied
rates
adsorption
modification
bulk
density
rendered
suitable
applications
gas
storage
catalysis
liquid
phase
catalytic process
composite comprises
bulk density
carbon fibers
activated carbon
carbon fiber
liquid phase
composite material
fiber composite
pore structure
gas storage
phase process
structure allows
permeable structure
free flow
controlled pore
rigidly bonded
catalytic processing
comprises carbon
composite mat
fibers rigidly
structure allow
site comprises
activated composite
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