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Water 2016, 8(1), 21;

New Insights on the Simultaneous Removal by Adsorption on Organoclays of Humic Acid and Phenol

Research Group of Environmental Chemistry, Institute of Chemistry, University of Szeged, Tisza Lajos krt. 103, HU-6720 Szeged, Hungary
Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, Arany János 11, RO-400028 Cluj-Napoca, Romania
Faculty of Physics, Babes–Bolyai University, M. Kogălniceanu 1, RO-400084 Cluj-Napoca, Romania
Institute of Interdisciplinary Research in Bio-Nano-Sciences, Babeș–Bolyai University, Treboniu Laurian 42, RO-400271 Cluj-Napoca, Romania
Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Béla tér 1, H-6720 Szeged, Hungary
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Academic Editors: Robert Puls and Robert Powell
Received: 23 August 2015 / Revised: 23 December 2015 / Accepted: 6 January 2016 / Published: 18 January 2016
(This article belongs to the Special Issue Groundwater Monitoring and Remediation)
View Full-Text   |   Download PDF [1450 KB, uploaded 18 January 2016]   |  


The exploitation of thermal water as a heat source in houses and apartments (during winter) is a widely used alternative to natural gas. However, this type of water may contain organic contaminants, which must be removed before releasing the used water into rivers and lakes. Because of the presence of a wide range of pollutants (including phenolic compounds and humates), efficient, cheap removal processes are needed. In order to demonstrate their capability in thermal water cleaning, clay minerals were applied for the removal of phenol and humic acid via adsorption. To determine the most efficient removal strategy for the aforementioned pollutants, the following parameters were investigated: the type of the clay mineral, the organophilization strategy (in situ or pre-organophilization), and the individual or simultaneous removability of the model pollutants. The current study revealed that the applied low cost, in situ prepared clay mineral adsorbents are applicable in the removal of pollutants from thermal water. View Full-Text
Keywords: thermal water; phenol; humic acid; adsorption; clay mineral thermal water; phenol; humic acid; adsorption; clay mineral

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Szabó, E.; Pap, Z.; Simon, G.; Dombi, A.; Baia, L.; Hernádi, K. New Insights on the Simultaneous Removal by Adsorption on Organoclays of Humic Acid and Phenol. Water 2016, 8, 21.

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