At the V.G. Shukhov Belgorod State Technological University (BSTU), an application has been found for oil extraction waste. Scientists have created a sorbent material for treating wastewater from agro-industrial enterprises, which solves the problem of waste disposal and effectively purifies water.
The material is based on spent bleaching clay containing montmorillonite, which is generated during the production of vegetable oils at a rate of 25 kg per ton of oil. Long-term storage of this clay can be hazardous to the environment, but scientists have discovered that it possesses sorbent properties.
The method involves synthesis and heat treatment. During the latter, organic components are carbonized, forming a thin carbon layer on the clay particles, increasing their specific surface area.
The resulting powder reagent binds pollutants, turning them into an insoluble precipitate that is easily removed.
Previous studies have been conducted on the treatment of poultry farm wastewater, which has allowed for the accumulation of experience for further developments.
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