Development of new surfactant for liquid surfactant membrane process

Masahiro Goto, Michiaki Matsumoto, Kazuo Kondo, Fumiyuki Nakashio

Research output: Contribution to journalArticle

131 Citations (Scopus)

Abstract

To obtain more stable W/O emulsion for liquid surfactant membrane technique, a series of glutamic acid dialkyl esters and dialkyl type quaternary ammonium salts as new surfactants in place of Span 80 and polyamine were synthesized. The adsorption equilibria between aqueous solution and organic solution containing the synthesized surfactants were elucidated and the stability of liquid surfactant membrane made of these surfactants was examined in a stirred tank. A series of synthesized surfactants having two long alkyl chains in hydrophobic site gave more stable emulsion at a lower concentration compared with Span 80 and polyamine. Among them, glutamic acid dioleyl ester formed the most stable emulsion.

Original languageEnglish
Pages (from-to)157-164
Number of pages8
JournalJOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Volume20
Issue number2
DOIs
Publication statusPublished - Jan 1 1987

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Surface-Active Agents
Surface active agents
Membranes
Liquids
Emulsions
Polyamines
Glutamic Acid
Esters
Acids
Ammonium Compounds
Salts
Adsorption
sorbitan monooleate

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Development of new surfactant for liquid surfactant membrane process. / Goto, Masahiro; Matsumoto, Michiaki; Kondo, Kazuo; Nakashio, Fumiyuki.

In: JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, Vol. 20, No. 2, 01.01.1987, p. 157-164.

Research output: Contribution to journalArticle

Goto, Masahiro ; Matsumoto, Michiaki ; Kondo, Kazuo ; Nakashio, Fumiyuki. / Development of new surfactant for liquid surfactant membrane process. In: JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 1987 ; Vol. 20, No. 2. pp. 157-164.
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