Abstract
The problem of treatment of drilling wastewater from mechanical impurities and its reuse for technological process is unresolved. The study summarizes results of researches in drilling wastewater treatment methods. It is relevant for areas of extraction of hydrocarbon raw materials. The authors suggest applying a scheme of treating drilling wastewater from mechanical impurities consisting of two stages of purification – sedimentation and filtration through various materials for loading filters: sawdust, peat, soil (medium loam), ash, starch, household dust (a mixture microorganisms), charcoal, gauze, polyester wadding (lighat, voluminous, elastic nonwoven fabric), foam rubber (soft cellular synthetic foam with high elasticity and breathability). Soil, ash, starch, peat and coal were cleaned from impurities and ground to a fine state. Eleven individual materials and their various combinations were studied as filter loads. The tests were replicated three times. Untreated drilling wastewater served as a control background sample for calculating efficiency. The possibility of wastewater treatment by sedimentation and subsequent filtration using industrial waste as a loading material for filter was researched. It was found out that treatment efficiency increases when wastes used in filters are grinded to microparticles.
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