Kinetic Aspect of Direct Violet Adsorption on M2+/M3+ (M2+: Zn; M3+: Al, Fe, Cr) Layered Double Hydroxides

被引：3

作者：

Palapa, Neza Rahayu ^{[1
]}

Taher, Tarmizi ^{[2
]}

Mohadi, Risfidian ^{[3
]}

Lesbani, Aldes ^{[3
]}

机构：

[1] Sriwijaya Univ, Fac Math & Nat Sci, Chem, Bukit Besar Palembang 30139, Indonesia

[2] Sriwijaya Univ, Grad Sch, Dept Environm Sci, Jl Padang Selasa 524 Ilir Barat 1, Palembang South Sumatra, Indonesia

[3] Sriwijaya Univ, Fac Math & Nat Sci, Dept Chem, Jl Palembang Prabumulih,Km 32, Ogan Ilir, South Sumatra, Indonesia

来源：

2ND INTERNATIONAL CONFERENCE ON SCIENCE, MATHEMATICS, ENVIRONMENT, AND EDUCATION, 2019 | 2019年 / 2194卷

关键词：

Layered double hydroxides; dyes removal; adsorption; kinetic study; CATIONIC DYES; CONGO RED; REMOVAL;

D O I：

10.1063/1.5139811

中图分类号：

G40 [教育学];

学科分类号：

040101 ; 120403 ;

摘要：

As we know, synthetic dye such as direct violet is harmful to the environment. Synthetic dyes were adsorption using layered double hydroxides has been studied. The layered double hydroxides used were Zn/Al, Zn/Fe, and Zn/Cr, which were successfully synthesized using the co-precipitation method by adjusting at pH 10. Three obtained layered double hydroxide samples were characterized using X-ray Diffraction, Fourier Transform Infrared Spectroscopy, and surface area analysis by BET methods. The adsorption of direct violet onto Zn/Al, Zn/Fe and Zn/Cr layered double hydroxides. Based on the kinetics study, the result was tested using the pseudo-first-order and pseudo-second-order. The best models fit obtained with pseudo-second-order kinetics models.

引用

页数：6

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