EVALUATING OF EFFECTIVENESS OF A NATURAL AND MODIFIED SURFACE MEXICAN CLINOPTILOLITE-RICH TUFF IN REMOVING PHENOL AND p-NITROPHENOL FROM AQUEOUS SOLUTIONS

被引：5

作者：

Abatal, Mohamed ^{[1
]}

Teresa Olguin, Maria ^{[2
]}

机构：

[1] Univ Autonoma Carmen, Fac Ingn, Ciudad Del Carmen 24180, Campeche, Mexico

[2] ININ, Dep Quim, Mexico City 11801, DF, Mexico

来源：

ENVIRONMENT PROTECTION ENGINEERING | 2012年 / 38卷 / 04期

关键词：

ACTIVATED CARBON; FLY-ASH; ORGANIC POLLUTANTS; ADSORPTION; EQUILIBRIUM; KINETICS; WATER; SORPTION; ZEOLITE; CHLOROPHENOLS;

D O I：

10.5277/EPE120405

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Removal of phenol (Phen) and p-nitrophenol (p-NPhen) from aqueous solutions onto sodium modified (ZG-Na) and surface modified (ZG-HDTMA) natural zeolite has been investigated. X-ray diffraction (XRD) and scanning electron microscopy (SEM) technique characterizations show that clinoptilolite is the major phase in zeolitic rock. Batch system was considered to determine the kinetics and isotherm type of the adsorption of NO3- by the ZG-Na and ZG-HDTMA. Results suggest a better fit to the adsorption data than the pseudo-first order kinetic model. It seems that the Langmuir model best describes the experimental data. p-NPhen is selectively adsorbed by both ZG-HDTMA and ZG-Na.

引用

页码：53 / 65

页数：13

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