The Removal of Organic Pollutant from Aqueous Solution by Modified Activated Carbon Surface

被引：0

作者：

Mahardiani, Lina ^{[1
]}

Ashadi, Ashadi ^{[1
]}

Saputro, Sulistyo ^{[1
]}

Indriyanti, Nurma Yunita ^{[1
]}

Taufiq, Muchammad ^{[1
]}

机构：

[1] Sebelas Maret Univ, Fac Teacher Training & Educ, Dept Chem Educ, Surakarta 57126, Indonesia

来源：

MOROCCAN JOURNAL OF CHEMISTRY | 2020年 / 8卷 / 04期

关键词：

Adsorption; Rhodamine B: Surface modification; Activated carbon; RHODAMINE-B REMOVAL; PHOTOCATALYTIC DEGRADATION; METHYLENE-BLUE; ADSORPTION; DYE; OXIDATION; SORPTION; WATER;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The removal of organic pollutant from aqueous solution was carried out by using modified activated carbon surface. Activated carbon was modified using chemical and physical treatment, such as using oxidizing agent (HNO3) and air oxidation, respectively. In this study, Rhodamine B was used as the organic pollutant. The results showed that activated carbon modified with air oxidation treatment rapidly attained the Rhodamine B adsorption after 30 minutes of contact time. Adsorption data are used for modelling, from the pseudo-first-order and pseudo-second-order kinetic equation and intra-particle diffusion models. The isotherm adsorption of Rhodamine B was fitted with Freundlich isotherm indicating that adsorption occurs on a heterogeneous surface through a multilayer adsorption mechanism. In addition, the intra-particle diffusion suggests that there were two stage mechanisms which contributed to the adsorption efficiency of Rhodamine B.

引用

页码：936 / 942

页数：7

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