Phenol Removal from Water by Polyamide and AgCl Mineralized Thin-Film Composite Forward Osmosis Membranes

Yangbo Huang, Pinar Cay-Durgun, Tianmiao Lai, Ping Yu, Marylaura Thomas

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This study systematically investigated phenol removal from water and phenol fouling of membranes in forward osmosis (FO) using thin-film composite (TFC) polyamide and silver chloride (AgCl) mineralized thin-film composite (MTFC) membranes. The influence of operating parameters (membrane orientation, phenol concentration, draw solution concentration, pH, and ionic strength) on phenol rejection and phenol adsorption to the membrane was investigated to elucidate the phenol transport behaviors in the FO process. Overall, phenol rejection improved with increased draw solution concentration or feed solution pH. At a feed solution pH of 11, TFC membranes exhibited their highest phenol rejection of 97.0% and MTFC membranes exhibited their highest phenol rejection of 98.8%. Phenol adsorption on the membrane surface may be related to the solute hydrophobic character, electrostatic interaction, and reverse salt diffusion. Six-hour fouling experiments show that the phenol fouling of FO membranes is reversible and easily cleaned by physical flushing. Additionally, compared with the TFC membranes, the MTFC membranes have an increased flux and rejection for phenol in FO.

Original languageEnglish (US)
Pages (from-to)7021-7029
Number of pages9
JournalIndustrial and Engineering Chemistry Research
Volume57
Issue number20
DOIs
StatePublished - May 23 2018

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Osmosis membranes
Nylons
Phenol
Polyamides
Phenols
Thin films
Water
Composite materials
Composite membranes
Osmosis
Fouling
Membranes
Adsorption
Coulomb interactions
Ionic strength
Silver
Salts

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Phenol Removal from Water by Polyamide and AgCl Mineralized Thin-Film Composite Forward Osmosis Membranes. / Huang, Yangbo; Cay-Durgun, Pinar; Lai, Tianmiao; Yu, Ping; Thomas, Marylaura.

In: Industrial and Engineering Chemistry Research, Vol. 57, No. 20, 23.05.2018, p. 7021-7029.

Research output: Contribution to journalArticle

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abstract = "This study systematically investigated phenol removal from water and phenol fouling of membranes in forward osmosis (FO) using thin-film composite (TFC) polyamide and silver chloride (AgCl) mineralized thin-film composite (MTFC) membranes. The influence of operating parameters (membrane orientation, phenol concentration, draw solution concentration, pH, and ionic strength) on phenol rejection and phenol adsorption to the membrane was investigated to elucidate the phenol transport behaviors in the FO process. Overall, phenol rejection improved with increased draw solution concentration or feed solution pH. At a feed solution pH of 11, TFC membranes exhibited their highest phenol rejection of 97.0{\%} and MTFC membranes exhibited their highest phenol rejection of 98.8{\%}. Phenol adsorption on the membrane surface may be related to the solute hydrophobic character, electrostatic interaction, and reverse salt diffusion. Six-hour fouling experiments show that the phenol fouling of FO membranes is reversible and easily cleaned by physical flushing. Additionally, compared with the TFC membranes, the MTFC membranes have an increased flux and rejection for phenol in FO.",
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AU - Yu, Ping

AU - Thomas, Marylaura

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