alexa ADSORPTION BEHAVIOR OF COPPER AND ZINC IN SOILS: INFLUENCE OF PH ON ADSORPTION CHARACTERISTICS
Environmental Sciences

Environmental Sciences

Advances in Recycling & Waste Management

Author(s): MSAKY JJ, CALVET R

Abstract Share this page

We studied adsorption of copper and zinc on three different soils: a brown silty soil, an Oxisol, and a Podzol. We determined the amounts adsorbed and the shapes of adsorption isotherms as a function of the pH of the adsorbing medium at a constant ionic strength. The adsorbed amount-pH relationship depended strongly on the natures of the metallic cation and of the soil. The pH greatly influenced the characteristics of adsorption isotherms. We based interpretation on the variations with the pH of both adsorbent affinity for the metal in relation to the surface electric charge and chemical speciation in solution. The adsorption mechanism in the Oxisol probably involves monohydroxylated cations but is more determined by bivalent cations in the brown silty soil and the Podzol. From a general point of view, adsorption of copper and zinc cannot be represented with a single adsorption constant, but should be described by adsorption isotherms obtained at various pH values.

  • To read the full article Visit
  • Subscription
This article was published in Soil Science and referenced in Advances in Recycling & Waste Management

Relevant Expert PPTs

Relevant Speaker PPTs

Recommended Conferences

Peer Reviewed Journals
 
Make the best use of Scientific Research and information from our 700 + peer reviewed, Open Access Journals
International Conferences 2017-18
 
Meet Inspiring Speakers and Experts at our 3000+ Global Annual Meetings

Contact Us

 
© 2008-2017 OMICS International - Open Access Publisher. Best viewed in Mozilla Firefox | Google Chrome | Above IE 7.0 version
adwords