Kinetic Study for Adsorption Humic Acid on Soil Minerals

被引：71
|
作者：
Shaker, Ali M. [2 ]
Komy, Zanaty R. [2 ]
Heggy, Said E. M. [1 ]
El-Sayed, Mohamed E. A. [1 ]
机构：
[1] Agr Res Ctr, Soil Water & Environm Res Inst, Cairo, Egypt
[2] Sohag Univ, Dept Chem, Fac Sci, Sohag, Egypt
来源：
JOURNAL OF PHYSICAL CHEMISTRY A | 2012年 / 116卷 / 45期
关键词：
ORGANIC-MATTER; WATER; PARTICLES; DYES; PH; EQUILIBRIUM; ALPHA-FE2O3; MECHANISMS; KAOLINITE; CHITOSAN;
D O I：
10.1021/jp3078826
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Kinetics of humic acid (HA) adsorption onto soil minerals (kaolinite and hematite) has been investigated under various conditions. The influence of ionic strength, pH, and solution cations on the rate of adsorption has been studied. The rate and the amount of adsorbed humic acid onto soil minerals increased with increasing ionic strength, decreasing pH, and in the presence of Ca2+ as background electrolyte. The adsorption equilibrium data showed that adsorption behavior of humic acid could be described more reasonably by Freundlich adsorption isotherm than Langmiur adsorption isotherm Pseudo first order and pseudo second order kinetic models were used to evaluate the kinetic data and the rate constants. The results explained that humic acid adsorption on hematite and kaolinite was more conforming with pseudo second order kinetics.
引用
收藏
页码：10889 / 10896
页数：8
相关论文
共 50 条
  • [1] Kinetic study for copper adsorption onto soil minerals in the absence and presence of humic acid
    Komy, Zanaty R.
    Shaker, Ali M.
    Heggy, Said E. M.
    El-Sayed, Mohamed E. A.
    CHEMOSPHERE, 2014, 99 : 117 - 124
  • [2] Kinetic study on the adsorption of humic acid fractions onto clay minerals
    ElSayed, Mohamed
    Khalaf, Moustafa
    Rice, Jim
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2017, 253
  • [3] Adsorption of Soil-Derived Humic Acid by Seven Clay Minerals: A Systematic Study
    Rebecca A. Chotzen
    Tamara Polubesova
    Benny Chefetz
    Yael G. Mishael
    Clays and Clay Minerals, 2016, 64 : 628 - 638
  • [4] ADSORPTION OF SOIL-DERIVED HUMIC ACID BY SEVEN CLAY MINERALS: A SYSTEMATIC STUDY
    Chotzen, Rebecca A.
    Polubesova, Tamara
    Chefetz, Benny
    Mishael, Yael G.
    CLAYS AND CLAY MINERALS, 2016, 64 (05) : 628 - 638
  • [5] Isotherm and kinetic studies on the adsorption of humic acid fractions onto clay minerals
    Khalaf, Moustafa
    Elsayed, Mohamed
    Rice, James
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2015, 250
  • [6] Characteristics of the sorption of humic acid by soil minerals
    Spark, KM
    Wells, JD
    Johnson, BB
    AUSTRALIAN JOURNAL OF SOIL RESEARCH, 1997, 35 (01): : 103 - 112
  • [7] Isotherm and kinetic studies on the adsorption of humic acid molecular size fractions onto clay minerals
    El-Sayed, Mohamed E. A.
    Khalaf, Moustafa M. R.
    Rice, James A.
    ACTA GEOCHIMICA, 2019, 38 (06) : 863 - 871
  • [8] Isotherm and kinetic studies on the adsorption of humic acid molecular size fractions onto clay minerals
    Mohamed E.A.El-Sayed
    Moustafa M.R.Khalaf
    James A.Rice
    ActaGeochimica, 2019, 38 (06) : 863 - 871
  • [9] Isotherm and kinetic studies on the adsorption of humic acid molecular size fractions onto clay minerals
    Mohamed E. A. El-Sayed
    Moustafa M. R. Khalaf
    James A. Rice
    Acta Geochimica, 2019, 38 : 863 - 871
  • [10] Adsorption-desorption study of trifluralin in soil and in humic acid
    Tavares, MCH
    Landgraf, MD
    Vieira, EM
    Rezende, MOD
    QUIMICA NOVA, 1996, 19 (06): : 605 - 608
12345