Effect of zeolite application and soil pH on cadmium sorption in soils

In this study the influence of zeolite application and soil liming on cadmium (Cd) sorption by soils in Greece was investigated. The zeolite was natural and consisted mainly of clinoptilolite. The soil samples were strongly acid surface horizons of an Alfisol limed from a pH of 4.0 to 8.5, and a neu...

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Bibliographic Details
Published in:Communications in soil science and plant analysis 1997-01, Vol.28 (17/18), p.1591-1602
Main Authors: Tsadilas, C.D, Dimoyiannis, D, Samaras, V
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
ALFISOLS
AMENDEMENT CALCIQUE
APPLICATION RATES
Applied sciences
Biological and medical sciences
CADMIO
CADMIUM
CADMIUM SORPTION CAPACITY
CAPACIDAD DE CAMBIO IONICO
CAPACITE D'ECHANGE IONIQUE
CATION
CATIONES
CATIONS
Decontamination. Miscellaneous
DOSE D'APPLICATION
DOSIS DE APLICACION
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
ENMIENDAS CALIZAS
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
GRECE
GRECIA
GREECE
HEAVY METALS
ION EXCHANGE CAPACITY
KINETICS
LIME
LIMING MATERIALS
LUVISOL
LUVISOLES
LUVISOLS
METAL LOURD
METALES PESADOS
PH DEL SUELO
PH DU SOL
Pollution
Pollution, environment geology
Soil and sediments pollution
Soil and water pollution
SOIL PH
Soil science
SORCION
SORPTION
ZEOLITAS
ZEOLITE
ZEOLITES
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Summary:In this study the influence of zeolite application and soil liming on cadmium (Cd) sorption by soils in Greece was investigated. The zeolite was natural and consisted mainly of clinoptilolite. The soil samples were strongly acid surface horizons of an Alfisol limed from a pH of 4.0 to 8.5, and a neutral Bt horizon. The result showed that liming and zeolite application substantially increased sorption of Cd in the soils. Cadmium sorption was described adequately by the Freundlich equation whereas the Langmuir model failed to describe Cd sorption in the soils. The Freundlich constant K increased in value by zeolite application as well as by soil liming. A strong relationship was observed between this parameter and soil pH. A high percentage of cadmium sorbed was released in the desorption procedure. The amount of Cd released was reduced by zeolite application as well as by soil liming. It is concluded that zeolite application as well as soil liming increased Cd sorption by the soils
ISSN:0010-3624
1532-2416
DOI:10.1080/00103629709369899