Skip to main content
Log in

Effect of different inorganic draw solutes on SiNPs-TFN membrane for forward osmosis desalination

  • Original Paper
  • Published:
International Journal of Environmental Science and Technology Aims and scope Submit manuscript

Abstract

Forward osmosis (FO) is the most promising upcoming desalination technique which requires more detailed researches to reduce its challenges like low pure water flux and high reverse solute flux. This paper represents the fabrication of thin-film nanocomposite polyethersulfone membrane with 0.005 wt% of silica nanoparticle (SiNPs) loading and analysis of FO performance of the fabricated TFN membrane. The nanoparticle was incorporated into the polyamide active rejection layer by interfacial polymerization. Membrane characterizations like ATR-FTIR, SEM, and wettability analysis were done. Successful nanoparticle incorporation was confirmed by ATR-FTIR analysis. Rise in hydrophilicity of TFN membrane was confirmed surface wettability measurements. The effect on draw solution concentration as well as cross-flow rate on membrane performance was analyzed. Comparison of forward osmosis performance with various inorganic draw solutes was also tested. The draw solutes considered were KCl, NaCl, and CaCl2 due to its various applications in fertigation and desalination. The filtration parameters of the fabricated membranes are analyzed and enlisted. The membrane FO performance under AL-FS and AL-DS modes of operation was tested. Results show that fabricated TFN membrane obtains a maximum flux of 23.93LMH in AL-DS mode, and salt rejection was 91%.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig. 10
Fig. 11
Fig. 12

Similar content being viewed by others

Abbreviations

A :

Pure water permeability

AL-FS:

Active layer facing feed side

AL-DS:

Active layer facing draw side

B :

Salt permeability

CNF:

Carbon nanofibre

CTA:

Cellulose triacetate

DI:

Deionized

DS:

Draw solution

FO:

Forward osmosis

FTIR:

Fourier transform infrared spectroscopy

FS:

Feed solution

IP:

Interfacial polymerization

J w :

Pure water flux

J S :

Reverse solute flux

MOFs:

Metal–organic frameworks

MPD:

m-phenylenediamine

NIPS:

Non-solvent induced phase separation

NF:

Nanofiltration

PA:

Polyamide

PDA:

Polydopamine

PVP:

Polyvinylpyrrolidone

PES:

Polyethersulfone

PEG:

Polyethylene glycol

ppm:

Parts per million

R :

Salt rejection

RO:

Reverse osmosis

SEM:

Scanning electron microscope

SiNPs:

Silica nanoparticles

S :

Structural parameter

TDS:

Total dissolved solids

TFC:

Thin-film composite

TFN:

Thin-film nanocomposite

WCA:

Water contact angle

References

Download references

Acknowledgments

Likely to acknowledge UKFCET for permitting to do the work and STIC India for providing characterization results.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to J. M. Tharayil.

Ethics declarations

Conflict of interest

The authors declare that there is no potential conflict of interest on work reported in this article.

Additional information

Editorial responsibility: Samareh Mirkia.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Tharayil, J.M., Manaf, A. Effect of different inorganic draw solutes on SiNPs-TFN membrane for forward osmosis desalination. Int. J. Environ. Sci. Technol. 19, 289–298 (2022). https://doi.org/10.1007/s13762-020-03083-3

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s13762-020-03083-3

Keywords

Navigation