“…Acid Orange 7 [ 44 , 45 , 46 ], Acid Orange 10 [ 45 , 47 ], Acid Green 9 [ 12 ], C.I. Acid Green 16 [ 48 ], Acid Red 18 [ 49 ], Acid Blue 29 [ 42 ], Acid Blue 113 [ 50 ], Basic Blue 3 [ 51 ], Tartrazine [ 13 ], Sunset Yellow [ 14 ], Reactive Black 5 [ 46 ], Reactive Orange 16 and Reactive Blue 21 [ 49 ], Reactive Red 120 [ 41 ] and 198 [ 17 ], Reactive Remazol Black B [ 52 ], Cationic Malachite Green [ 53 ], Direct Blue 71 [ 46 , 54 ], Direct Red 75 [ 55 ], Direct Yellow 50 [ 56 , 57 ], Congo Red [ 18 ], and other anion exchange resins have been shown to be very useful for the removal of acidic, basic, direct, and reactive dyes. Good sorption capabilities for the aforementioned dyes were discovered, as well as good regeneration.…”