Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Adsorption of basic dyes onto montmorillonite.

Cheng-Cai Wang1, Lain-Chuen Juang, Ting-Chu Hsu

  • 1Green Environment R&D Center and Department of Environmental Engineering, Van-Nung Institute of Technology, Chung-Li 320, Taiwan, Republic of China.

Journal of Colloid and Interface Science
|March 31, 2004
PubMed
Summary

Titanium-exchanged Ca-montmorillonite effectively adsorbs basic dyes like Basic Green 5 and Basic Violet 10. Ion-exchange alters montmorillonite

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Dietary antioxidants and flavonoids are inversely associated with prostate cancer risk and mortality: evidence from NHANES and machine learning.

Frontiers in nutrition·2025
Same author

Corrigendum to "Determination of the Henry's law constants of low-volatility compounds via the measured air-phase transfer coefficients" [Water Res. 120 (2017) 238-244].

Water research·2017
Same author

Preparation and Morphology Studies of Nano Zinc Oxide Obtained Using Native and Modified Chitosans.

Materials (Basel, Switzerland)·2017
Same author

Saccharide-derived microporous spherical biochar prepared from hydrothermal carbonization and different pyrolysis temperatures: synthesis, characterization, and application in water treatment.

Environmental technology·2017
Same author

Determination of the Henry's law constants of low-volatility compounds via the measured air-phase transfer coefficients.

Water research·2017
Same author

A versatile chitosan/ZnO nanocomposite with enhanced antimicrobial properties.

International journal of biological macromolecules·2015

Area of Science:

  • Materials Science
  • Environmental Chemistry
  • Colloid Science

Background:

  • Montmorillonite clays are widely used as adsorbents.
  • Basic dyes are common industrial pollutants.
  • Understanding dye adsorption mechanisms is crucial for water remediation.

Purpose of the Study:

  • To investigate the effect of titanium ion-exchange on Ca-montmorillonite's adsorption capacity for basic dyes.
  • To analyze the structural changes in montmorillonite upon dye adsorption.
  • To elucidate the relationship between pore structure alteration and dye adsorption.

Main Methods:

  • Ion-exchange of Ca-montmorillonite with titanium cations.
  • Adsorption experiments with Basic Green 5 (BG5) and Basic Violet 10 (BV10).

Related Experiment Videos

  • Characterization using nitrogen adsorption isotherms (BET and fractal analysis) and X-ray diffraction (XRD).

    • Main Results:

    • Titanium-exchanged montmorillonite showed enhanced adsorption of BG5 and BV10.
    • Dye adsorption led to a decrease in BET surface area, attributed to surface screening and pore blocking effects.
    • Fractal dimension analysis indicated the presence of surface screening, while pore size changes confirmed pore blocking.

    Conclusions:

    • Ion-exchange with titanium significantly enhances the adsorption of basic dyes onto montmorillonite.
    • Adsorption mechanisms involve both surface coverage and pore structure modification.
    • The study provides insights into designing modified clays for effective dye removal from wastewater.