orrigendum to “Wastewater treatment for Amoxicillin removal using magnetic adsorbent synthesized by ultrasound process” [Ultrason. Sonochem. 45 (2018) 248–256] (Ultrasonics - Sonochemistry (2018) 45 (248–256), (S1350417718301706) (10.1016/j.ultsonch.2018.03.018))