APPLICATION OF A LABORATORY TEST TO RESOLVE THE PROBLEM OF COKING A DANGEROUS COAL

A laboratory test developed to measure expansion and contraction was used to resolve the problem of coking a dangerous Spanish coal. The indications of this test were used to determine the minimum amounts of three different high volatile coals that it was necessary to add, to reduce the risk of coking this dangerous coal. Laboratory results were backed by tests carried out on a semi-industrial scale, without losing sight of certain safety limits. © 1990.