NDLI: Facile synthesis of mesoporous calcium carbonate particles with finger citron residue as template and their adsorption performances for Congo red

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Facile synthesis of mesoporous calcium carbonate particles with finger citron residue as template and their adsorption performances for Congo red

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Luying Ma Guihua Zhao Yaoyao Fang Wei Dai Na Ma
Abstract	Herein, we demonstrate a simple and cost-effective method to prepare the new hierarchically Ni-doped porous CaCO 3 monoliths in a large scale by mineralizing finger citron residue templates with a calcium acetate precursor. The morphology, microstructure, and element composition of as-prepared adsorbents are characterized by Scanning Electron Microscope (SEM), X-ray Photoelectron Spectroscopy (XPS), Transmission Electron Microscopy (TEM), and N 2 adsorption, respectively. Adsorption performance of anionic dye Congo red was investigated in a batch experiment. The results showed that pseudo-second-order kinetic model and Langmuir adsorption isotherm matched well for the Congo red adsorption. Compared with previously reported adsorbents, due to positive and negative charge effect between Congo red and Ni, Ni-doped porous CaCO 3 monoliths demonstrated a superior Congo red dye adsorption capability. The results of the present study substantiate that Ni-doped porous CaCO 3 monoliths is a promising adsorbent for the removal of the anionic dyes from wastewater.
Related Links	https://doi.org/10.1177/0263617417727228
ISSN	02636174
e-ISSN	20484038
DOI	10.1177/0263617417727228
Journal	Adsorption Science & Technology
Volume Number	36
Language	English
Publisher	Hindawi - SAGE Publishing
Publisher Date	2018-01-01
Publisher Place	United Kingdom
Access Restriction	Open
Subject Keyword	Physical and Theoretical Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering Surfaces and Interfaces

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