Behaviors of Ni and Zn Adsorption on Different Soils Found in the Northeastern Thailand

Noppadol Sangiumsak; Pongsakorn Punrattanasin

doi:10.4028/www.scientific.net/AMR.931-932.681

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 931-932Behaviors of Ni and Zn Adsorption on Different...

Behaviors of Ni and Zn Adsorption on Different Soils Found in the Northeastern Thailand

Abstract:

In this work, both batch method and column method were used to investigates the adsorption of Ni and Zn on different kinds of soils found in the Northeastern Thailand including clay, silt, and sand. The batch method was used to examine the adsorption isotherm and the effect of contact time, initial concentration, and temperature on the adsorption. The column method was used to simulate the real condition of wastewater adsorption. The results indicated that the adsorption isotherms were fitted with Freundlich and Langmuir isotherm. All soils adsorbed Ni better than Zn. The adsorption capacity of soils tended to increase when the temperature increased from 30°C to 50°C. Soil surface characteristic was an important factor that affected on the adsorption capacity of soils. For the column test, the adsorption decreased with the increasing amount of metal solution. Leaching of the metal occurred in a fractional volume.

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Periodical:

Advanced Materials Research (Volumes 931-932)

Pages:

681-686

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.931-932.681

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Online since:

May 2014

Authors:

Noppadol Sangiumsak, Pongsakorn Punrattanasin*

Keywords:

Adsorption Isotherm, Batch Test, Column Test, Heavy Metal

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