Standard Historical Last Updated: Dec 31, 2010
ASTM D3907-03(2008)

Standard Test Method for Testing Fluid Catalytic Cracking (FCC) Catalysts by Microactivity Test

Significance and Use

The microactivity test provides data to assess the relative performance of FCC catalyst. Because results are affected by catalyst pretreatment, feedstock characteristics, test equipment, and operating parameters, adherence to this test method is a prerequisite for correct interpretation of results. Apparatus, test conditions, and analytical procedures actually used should closely resemble those described in this test method.

Caution should be used in interpreting results above 80 weight % conversion due to the significance of overcracking.

Scope

1.1 This test method covers determining the activity of equilibrium or laboratory-deactivated fluid catalytic cracking (FCC) catalysts, or both. This is evaluated on the basis of weight percent conversion of gas oil in a microactivity unit. The selectivity of FCC catalysts can be determined using Test Method D 5154.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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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Details
Book of Standards Volume: 05.06
Developed by Subcommittee: D32.04
Pages: 6
DOI: 10.1520/D3907-03R08
ICS Code: 71.040.30