Membran poliimida untuk pengumpulan garam organik daripada model sup penapaian biojisim

Translated title of the contribution: Polyimide membranes for organic salts recovery from model biomass fermentation

Nadiah Khairul Zaman, Rosiah Rohani, Abdul Wahab Mohammad

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Succinic acid displays promising properties as a precursor for synthesizing valuable chemicals. However, its recovery experiences difficulty due to the formation of by-products with similar physicochemical properties, namely acetate and formate. The succinate separation process via pressure filtration membrane technology demonstrates polyimide (PI) membrane as a potential candidate due to its high resistance and selectivity to many organic solvents from its imide groups, an important feature in separation of biomass fermentation broth. This study aims to investigate the performance of newly synthesized PI (P84) membrane prepared by phase inversion for succinate recovery from fermentation broth (simulated model solution is used). PI polymer composition 14 17 wt% were cast to investigate the effect of varying polymer compositions on the performance of NF membrane determined from the recovery of succinate, and removal of formate and acetate from ternary organic salt solutions at concentration range between 10 50 g/L. PI membrane (15 wt%) shows the highest selective succinate retention of 73%. Succinate selective retention was observed to increase whereas rejection of by-products decreased at increasing mixed salt solution concentration from 20 50 g/L. Field Emission Scanning Electron Microscope (FESEM) results showed a PI membrane with dense and thick top layer, with porous middle substructure to support membrane performance.

Original languageMalay
Pages (from-to)1481-1490
Number of pages10
JournalMalaysian Journal of Analytical Sciences
Volume20
Issue number6
DOIs
Publication statusPublished - 2016

Fingerprint

Succinic Acid
Polyimides
Fermentation
formic acid
Biomass
Salts
Membranes
Recovery
Byproducts
Polymers
Acetates
Imides
Membrane technology
Chemical analysis
Field emission
Organic solvents
Electron microscopes
Scanning

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Membran poliimida untuk pengumpulan garam organik daripada model sup penapaian biojisim. / Zaman, Nadiah Khairul; Rohani, Rosiah; Mohammad, Abdul Wahab.

In: Malaysian Journal of Analytical Sciences, Vol. 20, No. 6, 2016, p. 1481-1490.

Research output: Contribution to journalArticle

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