ASTM D 5003 REV A Standard Test Method for the Hardgrove Grindability Index (HGI) of Petroleum Coke
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ASTM D 5003 REV A Document Information:
Title
Standard Test Method for the Hardgrove Grindability Index (HGI) of Petroleum Coke
ASTM International
Publication Date:
Dec 1, 2006
Scope:
This test method covers the determination of the hardgrove grindability index (HGI) of those petroleum cokes that contain no dedusting additive. The procedure for this test method is the same as in Test Method D 409. Sections of this test method contain the significance and use of the HGI of petroleum coke, preliminary sample preparation procedures, and procedure and precision and bias data specific to petroleum coke.
NOTE 1—The size consistency (particle size distribution) of fluid petroleum coke is generally 100 % passing a 6.73 mm (No. 3) sieve and greater than 80 % passing a 2.00 mm (No. 10) sieve. Much of fluid cokes will pass a 0.59 mm (No. 30) sieve. Because of this fineness the HGI value is related to the coarser particles in fluid coke and large samples are required to prepare sufficient material of the correct particle size for Test Method D 409.
The values stated in SI units are to be regarded as standard and are used in this test method for all values except the hardgrove grindability index, which is unitless. The values in parentheses are provided for information only.
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.
*A Summary of Changes section appears at the end of this standard.
Keywords:
- coke
- petroleum coke
- grindability
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