Regeneration efficacy of sodium chloride and sucrose binary draw solutions using hollow fine fibre reverse osmosis membrane

Sami Al-aibi, Hammed B. Mahood, Adel O. Sharif, Alireza Abbassi Monjezi, Saleh Alaswad, Elena Barbera, Luca Zanette

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this study, the regeneration performance of sodium chloride and sucrose draw solutions using a forward osmosis (FO) membrane was experimentally investigated in a FO–RO system. This efficiency was examined in terms of water flux (J<inf>w</inf>), water recovery percentage (R%) and specific energy consumption (SEC) using a commercial RO membrane. Two sodium chloride feed solution concentrations of 9.3 g/l (osmotic pressure (OP) = 7.31 bars) and 17.9 g/l (osmotic pressure (OP) = 14.05 bars), as well as two sucrose feed solution concentrations of 150 g/l (OP = 11.21 bars) and 200 g/l (OP = 15.13 bars) were tested separately. At each experiment, feed solution is pumped to the RO membrane at different applied feed pressure values, while the flow rate and temperature of the solutions were kept constant throughout the experiments. The experimental results indicated that: water flux and water recovery percentage for sodium chloride and sucrose feed solutions in general are increased with rise in the RO feed pressure applied. Also, the SEC for sodium chloride and sucrose feed solutions decreased as the RO feed applied pressure was raised. The findings exhibit that the hollow fine fibre HR3155P RO membrane is more reliable for the regeneration of sodium chloride draw solution than sucrose draw solution. Moreover, the RO technique is not reliable to use in the regeneration of sucrose draw solution in a FO–RO system.

Original languageEnglish
JournalDesalination and Water Treatment
DOIs
Publication statusAccepted/In press - 1 Sep 2015

Fingerprint

Osmosis membranes
Reverse osmosis
Sugar (sucrose)
Sodium chloride
sodium chloride
sucrose
regeneration
membrane
Fibers
Membranes
Water
Energy utilization
fibre
reverse osmosis
Fluxes
Recovery
water
osmosis
experiment
Experiments

Keywords

  • FO–RO
  • SEC
  • Sodium chloride
  • Sucrose
  • Water flux
  • Water recovery

ASJC Scopus subject areas

  • Pollution
  • Water Science and Technology
  • Ocean Engineering

Cite this

Regeneration efficacy of sodium chloride and sucrose binary draw solutions using hollow fine fibre reverse osmosis membrane. / Al-aibi, Sami; Mahood, Hammed B.; Sharif, Adel O.; Monjezi, Alireza Abbassi; Alaswad, Saleh; Barbera, Elena; Zanette, Luca.

In: Desalination and Water Treatment, 01.09.2015.

Research output: Contribution to journalArticle

Al-aibi, Sami ; Mahood, Hammed B. ; Sharif, Adel O. ; Monjezi, Alireza Abbassi ; Alaswad, Saleh ; Barbera, Elena ; Zanette, Luca. / Regeneration efficacy of sodium chloride and sucrose binary draw solutions using hollow fine fibre reverse osmosis membrane. In: Desalination and Water Treatment. 2015.
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