FIELD: metallurgy.
SUBSTANCE: concentrate with humidity of up to 20% is mixed with a combined binding agent containing burnt lime and lignosulphonate in the ratio of 1÷5:1, and drying of briquettes is performed using microwave energy during 1-5 minutes.
EFFECT: improving strength of briquettes, reducing costs and simplifying the technology.
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Authors
Dates
2013-08-20—Published
2012-03-05—Filed