ASTM D8097-17

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Designation:D8097 −17
Standard Test Method for
Determination of Bulk Density for Specific Size Fractions of
Calcined Petroleum Coke Using a Transaxial Pressure
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Pycnometer
This standard is issued under the fixed designation D8097; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.2 transaxial pressure, n—pressure applied across a hori-
zontal axis.
1.1 The test method covers the determination of bulk
density for a specific size fraction of calcined petroleum coke
4. Summary of Test Method
using an automated pycnometer that compacts coke by apply-
4.1 A representative sample of calcined petroleum coke is
ing transaxial pressure under a controlled force.
collected and then screened using Specification E11 sieves
1.2 The values stated in SI units are to be regarded as
(8 mm, 4 mm, 2 mm, 1 mm, 0.5 mm, 0.25 mm) into fractions.
standard. No other units of measurement are included in this
Eachspecificsizefractionisthenweighedandthebulkvolume
standard.
is measured using the pycnometer. This test method measures
1.3 This standard does not purport to address all of the
the bulk volume by controlling the consolidation force and
safety concerns, if any, associated with its use. It is the
measuring the displacement of a plunger used to compact the
responsibility of the user of this standard to establish appro-
bed of coke.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. 5. Significance and Use
5.1 The bulk density is an indicator of calcined petroleum
2. Referenced Documents
coke porosity and packing capability which is an important
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2.1 ASTM Standards:
coke property for anode production in aluminum industry.This
D6969 Practice for Preparation of Calcined Petroleum Coke
procedure will allow an automated measurement of specific
Samples for Analysis
sized fractions ranging from 8 mm to 0.25 mm coke particles.
D6970 Practice for Collection of Calcined Petroleum Coke
5.2 Results from this test method are used in determining
Samples for Analysis
coke specifications, classification purposes, and for quality
E11 Specification for Woven Wire Test Sieve Cloth and Test
control.
Sieves
E177 Practice for Use of the Terms Precision and Bias in
6. Apparatus
ASTM Test Methods
6.1 Balance, capable of measuring 100 g 6 0.0001 g.
E691 Practice for Conducting an Interlaboratory Study to
Determine the Precision of a Test Method
6.2 Table Top Riffler:
6.2.1 Pycnometer, equipped with a force transducer and
3. Terminology
suitable 50.8 mm (2 in.) or larger glass chamber and plunger
3.1 Definitions:
assembly.
3.1.1 bulk density, n—of coke, the ratio of the mass of a
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NOTE 1—GeoPyc 1360 has been successfully used for this analysis.
collection of particles of a specified size range to the volume
6.3 Wire Mesh Sieves, 8 in. diameter, round, 8.00 mm
occupied.
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( ⁄16 in.), 4.00 mm (No. 5), 2.00 mm (No. 10), 1.00 mm (No.
18), 0.50 mm (No. 35), 0.25 mm (No. 60), pan, and cover.
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This test method is under the jurisdiction of ASTM Committee D02 on
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
SubcommitteeD02.05onPropertiesofFuels,PetroleumCokeandCarbonMaterial.
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Current edition approved Jan. 1, 2017. Published March 2017. DOI: 10.1520/ The sole source of supply of the apparatus known to the committee at this time
D8097-17. is Micromeritics Instrument Corporation, 4356 Communications Dr., Norcross, GA
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or 30093, USA. If you are aware of alternative suppliers, please provide this
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM information to ASTM International Headquarters. Your comments will receive
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Standards volume information, refer to the standard’s Document Summary page on careful consideration at a meeting of the responsible technical committee, which
the ASTM website. you may attend.
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D8097−17
6.4 Ro-tap Sieve Shaker, for 8 in. diameter sieves. 10.5 Start the analysis following the procedure in the
instruction manual.
7. Sampling, Test Specimens, and Test Units
10.6 Enter the necessary or required information such as
7.1 Grab a representative sample according to Practice
sample identification, sample mass, or other user-selected
D6970 and reduce the sample to 900 g 6 100 g following
information.
Practice D6969.
10.7 Choose the stored blank data set for the analysis.
...