Synthesis of hierarchical porous zinc oxide (ZnO) microspheres with highly efficient adsorption of Congo red

• Published in: Journal of colloid and interface science Vol. 490; pp. 242 - 251
• Main Authors: Lei, Chunsheng, Pi, Meng, Jiang, Chuanjia, Cheng, Bei, Yu, Jiaguo
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 15.03.2017
• Subjects: adsorbents; adsorption; Adsorption isotherm; Anionic dye; aqueous solutions; Congo red; dyes; Fourier transform infrared spectroscopy; Hierarchical porous structure; hot water treatment; microparticles; nanosheets; nitrogen; scanning electron microscopy; sorption isotherms; transmission electron microscopy; wastewater; X-ray diffraction; Zinc oxide; Zinc oxide; Congo red; Hierarchical porous structure; Anionic dye; Adsorption isotherm

[Display omitted] Hierarchical porous zinc oxide (ZnO) was successfully synthesized via a facile hydrothermal method followed by calcination, and characterized by X-ray diffraction, field-emission scanning electron microscopy, transmission electron microscopy, nitrogen adsorption–desorption, and Fou...