Modified Beaded Materials from Recycled Wastes of Bagasse and Bagasse Fly Ash with Iron(III) Oxide-Hydroxide and Zinc Oxide for the Removal of Reactive Blue 4 Dye in Aqueous Solution

利用氧化铁(III)-氢氧化物和氧化锌改性甘蔗渣和甘蔗渣飞灰再生废料制成的珠状材料去除水溶液中的活性蓝4染料