Abstract

The coke and coal chemicals plant at the Novokuznetsk Metallurgical Combine is making trial use of a technology that recycles waste products in “tar ponds.” Specialists from the Ekomash company have installed a recycling unit in one area of the plant’s dump, the unit including an inclined conveyor with a steam heater and a receiving hopper. The coal preparation shop receives the wastes in a heated bin, where a screw mixes the wastes with part of the charge for the coking ovens. The mixture subsequently travels along a moving conveyor belt together with the rest of the charge materials. The addition of up to 2% resin-bearing waste materials to the coal charge has not had any significant effect on the strength properties of the coke.

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