Experience in the utilization of carbonization-industry wastes
The carbonization industry is the source of large amounts of liquid and solid wastes, totalling more than 460 thousand t/year. Recovery and processing of crude benzole yields 140 thousand t/year of wastes, i.e., 35% of the total wastes from the various chemical departments. Eleven different types of wastes are produced by the recovery and rectification departments of the Baglei C and CW. All of them are generally discarded. They not only take up enormous areas, which might be better utilized, but also contribute to atmospheric, water, and soil pollution. The wastes from carbonization-plant chemical departments contain various organic compounds of great practical value; some of them, such as unsaturated hydrocarbons, can be polymerized under definite conditions to produce substances with binder properties. Other wastes contain surface-active agents with a tendency toward an adsorptive interaction with the surface of solids, particularly metals, which leads to inhibition of chemical and electrochemical processes at metal-electrolyte interfaces. Research has shown that the effluents from the carbonization industry have anticorrosion and antiscale properties; concentrated effluents are used as corrosion and scale-formation inhibitors. All carbonization-plant effluents, the regenerated sulfuric acid obtained from the sulfuric-acid purification of benzene, and worked-out wash oils (solar and coal-tar oils obtained from flushing of benzene scrubbers) are surface-active. Polymerizable wastes include the acidic tar from the sulfate section of the recovery department and the acid tar, still bottoms, solvent naphtha, and other wastes from the crude-benzole rectification department. Our studies showed that the acid tars from the recovery rectification departments can be used as components in road tars (for which ingredients are very scarce) and as a binder in electrometallurgy.
- OSTI ID:
- 5823420
- Journal Information:
- Coke Chem., USSR (Engl. Transl.); (United States), Vol. 7; Other Information: Translated from Koks Khim.; No. 7, 50-52(1977)
- Country of Publication:
- United States
- Language:
- English
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32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
COKING PLANTS
WASTE PRODUCT UTILIZATION
BINDERS
BUILDING MATERIALS
ROADS
USSR
EUROPE
INDUSTRIAL PLANTS
MATERIALS
010401* - Coal & Coal Products- Carbonization- (-1987)
320305 - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Industrial Waste Management