Fig. 4From: Hierarchical Structure Kaolinite Nanospheres with Remarkably Enhanced Adsorption Properties for Methylene Bluea Sorption rates of Kaol, C-Kaol, and PS-Kaol samples, 25 °C. b MB uptake efficiency of PS-Kaol sample at various initial solution pH. c Adsorption isotherms of PS-Kaol sample. d MB uptake efficiency of PS-Kaol sample at different initial MB concentrationBack to article page