Application of an ion-exchange model to the synthesis of fibrous titanate derivatives

Ming He, Xin Feng, Xiao Hua Lu, Xiao Yan Ji, Chang Liu, Ning Zhong Bao, Jing Wei Xie

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A thermodynamic model for the ion-exchange reaction process from potassium tetratitanate (K2Ti4O9, or expressed by K2O·4TiO2) fibers (Bao et al., 2002) was applied to the synthesis of derivatives of K2Ti4O9 fiber through the hydration process, including H2Ti4O9·1.2H2O, TiO2 fiber, K2Ti8O17 fiber and K2Ti6O13 fiber. A novel viewpoint was proposed that the Ti/K mole ratio (R) of the target products was taken as the controlling aim of the composition of hydrate intermediates in the hydration process. Based on this, the model was successfully used to predict the suitable conditions for the synthesis of phase-pure products. In the ion-exchange reaction process, the composition of hydrate intermediates was quantitatively controlled by the method of adjusting the pH value and K+ concentration with ion selective electrodes (ISEs).

Original languageEnglish (US)
Pages (from-to)1259-1262
Number of pages4
JournalJournal of Chemical Engineering of Japan
Volume36
Issue number10
DOIs
StatePublished - Oct 1 2003

Fingerprint

Ion exchange
Derivatives
Fibers
Hydrates
Hydration
Ion selective electrodes
Chemical analysis
Potassium
Thermodynamics

Keywords

  • Derivative
  • Hydration process
  • Ion-exchange
  • Potassium tetratitanate
  • Thermodynamic equilibrium

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Application of an ion-exchange model to the synthesis of fibrous titanate derivatives. / He, Ming; Feng, Xin; Lu, Xiao Hua; Ji, Xiao Yan; Liu, Chang; Bao, Ning Zhong; Xie, Jing Wei.

In: Journal of Chemical Engineering of Japan, Vol. 36, No. 10, 01.10.2003, p. 1259-1262.

Research output: Contribution to journalArticle

He, Ming ; Feng, Xin ; Lu, Xiao Hua ; Ji, Xiao Yan ; Liu, Chang ; Bao, Ning Zhong ; Xie, Jing Wei. / Application of an ion-exchange model to the synthesis of fibrous titanate derivatives. In: Journal of Chemical Engineering of Japan. 2003 ; Vol. 36, No. 10. pp. 1259-1262.
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AU - Bao, Ning Zhong

AU - Xie, Jing Wei

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