The list of the types of oil raw sludge includes off-grade oily or hydrocarbon-bearing mixtures. The main sources of oil raw sludge are: Oil polluted priming coats of sectional and other industrial slots. Priming coats soaked with oil after oil pipeline accidents. Ground precipitation in oil-collecting reservoirs. Hard or liquid wastes from oil-processing oil-chemical industries. […]
Biological Decomposition of Oil Raw Sludge
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