Abstract
Produced water is the largest volume flow byproduct in oil and gas production and has a negative environmental impact due to its complex composition and high disposal costs. In this sense, it is paramount to development new technologies for the removal of cations and anions from produced water. In this work, different materials such as zeolites (with cation exchange properties), lamellar double hydroxides (that can remove anions) and aluminas with diferente particles size (9–16 mesh, 16–32 mesh, in pastile and ɣAl2O3) exhibiting amphoteric properties were evaluated for the adsorption of cations and anions of produced water. Zeolite, ɣAl2O3 and calcined LDH provided the most satisfactory results with the removal of 60–99% of the cations and anions, reaching values below the maximum allowed by Resolution 430 of the National Council of the Environment.
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