ASTM D 6646 Standard Test Method for Determination of the Accelerated Hydrogen Sulfide Breakthrough Capacity of Granular and Pelletized Activated Carbon
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ASTM D 6646 Document Information:
Title
Standard Test Method for Determination of the Accelerated Hydrogen Sulfide Breakthrough Capacity of Granular and Pelletized Activated Carbon
ASTM International
Publication Date:
Oct 1, 2003
Scope:
This test method is intended to evaluate the performance of virgin,
newly impregnated or
in-service, granular or pelletized activated carbon for the removal of
hydrogen sulfide from an air
stream, under the laboratory test conditions described herein. A
humidified air stream containing 1
% (by volume) hydrogen sulfide is passed through a carbon bed until 50
ppm breakthrough of H2S is
observed. The H2S adsorption capacity of the carbon per unit volume at
99.5 % removal efficiency (g
H2S/cm³ carbon) is then calculated. This test is not necessarily
applicable to non-carbon
adsorptive materials.
This standard as written is applicable only to granular and pelletized
activated carbons with mean
particle diameters (MPD) less than 2.5 mm. See paragraph 5.3 if
activated carbons with larger MPDs
are to be tested.
This standard does not purport to address all of the safety concerns,
if any, associated with its
use. It is the responsibility of the user of this standard to
establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use.
Keywords:
- activated carbon
- breakthrough capacity
- hydrogen sulfide
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