Solid oil waste should be processed into compost. Specialists of Kazan State University and the Open Joint-Stock Company “Nizhnekamskneft” stick to this opinion. The obtained compost is practically nontoxic, and bio-utilization of waste may be an excellent alternative to harmful waste storage and combustion.
Solid waste of petrochemical production (oil-slimes) belongs to the most persistent environment pollutants. Oil-slimes consist of oil carbohydrates and products of their processing, including asphaltic-resinous substances, as well as phenols, xylols, styrene and multiple other toxic and carcinogenic substances. Of course, oil-refining plants possess slime storage and waste disposal plants, but they do not solve the problem. Therefore, biotechnological methods of oil-slime disposal, including composting, increasingly attract specialists.
As foreign experience shows, the soil containing 3.5 percent of oil carbohydrates, can be purified via composting within 4 to 5 months, while by itself it would be purified within three years. Russian scientists have undertaken their own research.
Sergey Komarov | alfa
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