ASTM-D6646 2008

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D6646-03(2008) Standard Test Method for Determination of the Accelerated Hydrogen Sulfide Breakthrough Capacity of Granular and Pelletized Activated Carbon

Published By	Publication Date	Number of Pages
ASTM	2008	8

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Categories: 11.080.20 - Disinfectants and antiseptics, ASTM

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Description

1.1 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 H ₂ S is observed. The H ₂ S adsorption capacity of the carbon per unit volume at 99.5 % removal efficiency (g H ₂ S/cm ³ carbon) is then calculated. This test is not necessarily applicable to non-carbon adsorptive materials.

1.2 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.

1.3 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.

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	Apparatus and Materials FIG. 1
3	Safety Precautions Sampling Calibration FIG. 2
4	Procedure Calculation Report
5	Precision and Bias Keywords A1. ANALYSIS AND CALIBRATION OF H2S TEST GAS STREAM WITH GAS CHROMATOGRAPHY A1.1 A1.2 A1.3 A1.4
6	A2. DETERMINATION OF THE CONCENTRATION OF HYDROGEN SULFIDE IN MIXTURES WITH AIR OR NITROGEN A2.1 A2.2 A2.3 A2.4 A2.5 A2.6 A2.7
7	A3. TABLES TABLE A3.1
8	TABLE A3.2

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ASTM-D6646 2008

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