TY - JOUR TI - Investigation of the effect of current density and PH on oil and grease removal from leather industry wastewaters by electrocoagulation method AU - , Z.B.R. AU - , F.E.T. AU - , S.K. AU - , Å.Ä. JO - Sigma Journal of Engineering and Natural Sciences PY - 2022 VL - 40 SP - 705 EP - 714 DO - 10.14744/sigma.2022.00086 ER -