Calcined Coke Round Robin 19 and the Precision of Bulk Density Tests

The History and Future Challenges of Calcined Petroleum Coke Production and Use in Aluminum Smelting

“…There are at least four different bulk density tests in common use by the industry, and Table II shows the ASTM D4292 VBD test. Many of these tests are strongly influenced by minor sample preparation differences, 10 which can make the comparison of results between laboratories difficult. A small amount of dedust oil (approximately 0.3 wt.%) is almost always added to CPC to reduce dusting.…”