Adsorption Properties of Metal Ions onto Sodium Polyacrylate Gel

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概要

• 論文の詳細を見る

• Adsorption properties of divalent and trivalent metal ions onto sodium polyacrylate gel are investigated over a range of pH of buffer solutions. It is considered that carboxyl groups in the gel combine with the metal ions according to their charge number stoichiometrically, and the adsorption mechanism is theoretically analyzed on the basis of dissociation equilibrium for monocarboxyl acid. Furthermore, it is found that the adsorption effectiveness factor, being intrinsic to metal ion species, fulfills an important role in order to elucidate the adsorption equilibrium. Consequently, the model equations, which allow quantitative consideration of the adsorption mechanism in these systems, can be derived as a function of the hydrogen ion concentration, which can readily be measured in the outer aqueous solution. The gel adsorption equilibrium of divalent and trivalent metal ions can be explained fairly well by the model.

• 社団法人 化学工学会の論文

著者

• YAMAMOTO Tetsuya

  Department of Neurosurgery, Graduate School of Comprehensive Human Sciences, University of Tsukuba

• Hoshino Kazuhiro

  Department of Materials Systems Engineering and Life Science, Toyama University

• Hoshino Kazuhiro

  Department Of Materials Systems Engineering And Life Science Toyama University

• Takano Maki

  Department Of Material Systems Engineering And Life Science Faculty Of Engineering University Of Toy

• MOROHASHI Shoichi

  Department of Chemical Engineering, Faculty of Engineering, Toyama University

• TAKAOKA Masashi

  Department of System Engineering of Materials and Life Science, Toyama University

• Takaoka Masashi

  Department Of System Engineering Of Materials And Life Science Toyama University

• Touyama Y

  Hiroshima Univ. Higashi‐hiroshima Jpn

• Yamamoto Tetsuya

  Department Of Chemical Engineering Graduate School Of Engineering Hiroshima University

• Hoshino Kazuhiro

  Section Of Functional Molecule Production Systems Field Of Nano And Functional Material Sciences Gra

• Morohashi S

  Depertment Of System Engineering Of Materials And Life Science Toyama University

• Morohashi Shoichi

  Section Of Functional Molecule Production Systems Field Of Nano And Functional Material Sciences Gra

• Morohashi Shoichi

  Department Of Chemical Engineering Faculty Of Engineering Toyama University

• Yamamoto Tetsuya

  Department Of System Engineering Of Materials And Life Science Toyama University

• Yamamoto Tetsuya

  Department Of Astronomy School Of Science The University Of Tokyo

• Morohashi Shoichi

  Department of Chemical and Biochemical Engineering, Toyama University

• Hoshino Kazuhiro

  Department of Chemical and Biochemical Engineering, Toyama University

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