A new generation of highly efficient walnut shell filters has been developed specifically for the filtration requirements of petrochemical and other oil-containing wastewater treatment. This filter utilizes walnut shells with strong adsorption capabilities, stable chemical properties, high strength, and excellent wear resistance as the filter medium. It can be used as a single stage or in series to ensure water quality. It is an ideal equipment for oil field oil production wastewater treatment, petroleum refining, petrochemicals.
Backwash water strength（L/m2·s）
Water intake index