镁盐改性凹凸棒土颗粒制备优化及磷吸附特性

陆谢娟,童山原,冯璐,毛娟,吴晓晖,史诗乐

Optimization of preparation of magnesium salt modified attapulgite particles and adsorption characteristics of phosphate

Xiejuan Lu,Shanyuan Tong,Lu Feng,Juan Mao,Xiaohui Wu,Shile Shi

表1 改性前后凹凸棒土煅烧材料对磷的吸附量

煅烧温度/℃ 105(烘干） 300 400 500 600 700 800 AP吸附量/(mg.g-1) 0.79 1.14 2.72 3.66 6.39 5.88 2.84 Mg-AP吸附量/(mg.g-1) 0.64 8.64 8.85 9.45 9.26 5.15 1.78