Please use this identifier to cite or link to this item: http://cmuir.cmu.ac.th/jspui/handle/6653943832/69919
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dc.contributor.authorWei Zhaoen_US
dc.contributor.authorYouning Chenen_US
dc.contributor.authorYuhong Lien_US
dc.date.accessioned2020-10-08T08:36:17Z-
dc.date.available2020-10-08T08:36:17Z-
dc.date.issued2020en_US
dc.identifier.citationChiang Mai Journal of Science 47,5 (Sep 2020), p.1055-1067en_US
dc.identifier.issn2465-3845en_US
dc.identifier.urihttps://epg.science.cmu.ac.th/ejournal/dl.php?journal_id=11202en_US
dc.identifier.urihttp://cmuir.cmu.ac.th/jspui/handle/6653943832/69919-
dc.descriptionThe Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so.en_US
dc.description.abstractIn this paper, due to the anion exchange between the hydrotalcite layers, the functional nano-acrylic pillared hydrotalcite(AA-LDH) were prepared via back-mixing precipitation method with acrylic acid as the intercalation modifier. AA-LDH was characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD) and scanning electron microscopy (SEM). The adsorption performance of AA-LDH for Pb(II), Cu(II), Zn(II) and Cd(II) was investigated. The maximum adsorption capacities of the AA-LDH were up to 4.35 mmol g-1 for Pb(II), 3.67 mmol g-1 for Cu(II), 1.75 mmol g-1 for Zn(II) and 1.23 mmol g-1 for Cd(II) at pH 5.0. The effects of pH on the adsorption suggested that the adsorption of metal ions was governed mainly by the chelation interaction. The adsorption isotherms of the three metal ions were best described by the Langmuir model, and their adsorption kinetics followed the pseudo second-order kinetic equation. The adsorption equilibrium was reached for the four ions within 3h. The adsorption of the three concerned metal ions was hardly affected by common coexisting ions such as Na(I), K(I), Ca(II) and Mg(II), whereas they were slightly decreased when Fe(II) coexisted in the solution, which illustrates the selective adsorption of Pb(II), Cu(II), Zn(II) and Cd(II) from wastewater. The AA-LDH has a good desorption rate and reusability. These findings suggest that the AA-LDH could be potentially applied to the efficient removal of heavy metal ions from waste water.en_US
dc.language.isoEngen_US
dc.publisherFaculty of Science, Chiang Mai Universityen_US
dc.subjectintercalated hydrotalciteen_US
dc.subjectadsorptionen_US
dc.subjectheavy metal ionen_US
dc.subjectwastewateren_US
dc.subjectmechanismen_US
dc.titleA Novel Acrylic Intercalated Hydrotalcite for the Removal of Heavy Metal Ions from Aqueous Solution: Isotherm, Kinetics, Thermodynamics and Mechanismen_US
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