1 - 10 of 17 articles
The dependence of the mineral content in coal and concentrates on the degree of metamorphism is analyzed.
In processing slurry with cationic polyelectrolytes, the final concentration of the suspended particulates in the water beyond the slurry tank in the coal-preparation shop is no more than 10 mg/l. Consequently, this water may be reused in industrial systems.
The technologies adopted in the construction of coke battery 3 at OAO Koks are described.
A new coke-sorting system has been introduced at OAO Koks. It differs from the existing system in that it has no bunkers for all-purpose coke but only bunkers for commercial coke. In using this system with coke from battery 4, the crushing of the coke on conveyer belts, at roller screens, and in...
Experience with a new surface-preparation technology for the ceramic resurfacing of the refractory furnace-chamber lining in coke batteries is described.
The granulometric composition of coke dust from the dry-slaking machine is determined. The influence of additions of 3−7% coke dust on the quality of industrial coking batch and the coke obtained by box coking is estimated. Adding 1% coke dust to coking batch does not markedly change the coke...
New refractories and repair technologies for high-temperature systems used at OAO Koks in the past decade are reviewed.
Packed equipment for removing tar from water by filtration, adsorption, and coalescence is tested.
In a microcatalytic apparatus, a new polyfunctional catalyst is investigated. Its hydrodealkylating and hydrodesulfurizing activity is studied. The optimal catalyst composition is established. The new catalyst is compared with industrial catalysts.
The performance of absorbent oil is analyzed as a function of the constituent and group composition. The qualitative and quantitative composition of the oil that ensures the required absorbent properties is determined. Operative monitoring may be based on absorbent characteristics that permit...
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