Adsorption behaviour of hydrogarnet for humic acid

Royal Society Open Science
Hirotaka MaedaToshihiro Kasuga

Abstract

Discharge of humic acid (HA) in aqueous environments is a key health and aesthetic issue. The present work investigates the use of hydrogarnet as a novel adsorbent for HA. Hydrogarnet was hydrothermally synthesized with different solvents to control the chemical composition. Hydrogarnet with three types of chemical compositions had better adsorption properties for HA than hydrogarnet with a single chemical composition. Controlling the chemical composition of hydrogarnet increased the number of hydroxyl groups and the overall binding energy of the system, leading to changes in the zeta potential. The enhancement of these adsorption properties is related to the increased numbers of hydroxyl groups on the surface and their diverse binding energies.

References

Nov 10, 2004·Journal of Colloid and Interface Science·J Paul Chen, Shunnian Wu
Feb 22, 2005·Journal of Colloid and Interface Science·Takeshi MoriguchiKazuhiko Yaguchi
Oct 21, 2005·Journal of Colloid and Interface Science·J Theo KloproggeRay L Frost
Dec 7, 2005·Journal of Colloid and Interface Science·Takeshi MoriguchiKazuhiko Yaguchi
Jun 18, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Wannes LibbrechtJeriffa De Clercq

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