Possibilities of chromate decreased clinker

In the course of laboratory and industrial investigations we have tested that reducing slag as well as of the setting of the sulfatization degree of raw meal. In clinker it is possible to decrease the chromate content during manufacture and firing clinker. It has been tested that among fuel materials (petrol, natural gas or coal, etc.) coal firing is the best to produce reduced clinker of chromate content. This is capable to set the oxygen content of the kiln and the sulfatization degree of clinker.
Author: F.D. Tamás, L. Opoczky, L. Sas

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