Recovery of ionized nanosilver by emulsion liquid membrane process and parameters optimization using response surface methodology by Raja Sulaiman, Raja Norimie, Othman, Norasikin, Saidina Amin, Nor Aishah

“…The liquid membrane consists of kerosene, Span 80, Cyanex 302 and acidic thiourea as the diluent, surfactant, carrier and stripping agent, respectively. …”

Optimization of synergistic green emulsion liquid membrane stability for enhancement of silver recovery from aqueous solution by Jusoh, Norela, Othman, Norasikin, Raja Sulaiman, Raja Norimie, Mohamed Noah, Norul Fatiha, Ahmad Zaini, Muhammad Abbas

“…The emulsion liquid membrane (ELM) process for silver recovery containing synergistic Cyanex 302/Cyanex 272 carriers, palm oil as a diluent, acidic thiourea as a stripping agent, and sorbitan monooleate (Span 80) as a surfactant was attempted. …”

Intensification reactive recovery of tetravalent platinum from spent catalyst via synergism of TBP/Cyanex 302 system by Raja Sulaiman, Raja Norimie, Othman, Norasikin, Jusoh, Norela, Mohamed Noah, Norul Fatiha, Rashid, Roslina, Saufi, Syed Mohd.

“…Meanwhile, almost 98% of platinum (IV) was successfully recovered using 3.0 M thiourea in 3.0 M hydrochloric acid (HCl) in two stages of stripping process.…”

Removal of ionized nanosilver from wash water using emulsion liquid membrane process by Raja Sulaiman, Raja Norimie

“…The membrane phase contained kerosene as diluent, Cyanex 302 as a carrier, Span 80 as a surfactant and acidic thiourea as a stripping agent. The extraction was carried out in batch process using a mixer-settler and the recovery part was performed using a high voltage demulsifier. …”
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Emulsion liquid membrane stability in the extraction of ionized nanosilver from wash water by Raja Sulaiman, Raja Norimie, Othman, Norasikin, Saidina Amin, Nor Aishah

“…The membrane phase containing Cyanex 302, Span 80, acidic Thiourea, and kerosene as carrier, surfactant, stripping agent, and diluent respectively. …”

Liquid-liquid extraction of palladium from simulated liquid waste using phosphinic acid as a carrier by Othman, Norasikin, Mohamed Noah, Norul Fatiha, Raja Sulaiman, Raja Norimie, Abdullah, Nurul Ashida, Bachok, Siti Khadijah

“…The results showed that at the favourable condition of 0.1 mM Cyanex 302 in kerosene as a diluent, and 2.0 M of thiourea in 1.0 M sulphuric acid as a stripping agent, almost 100% of palladium was extracted from the liquid waste solution and 90% was recovered in the receiving phase…”
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Parameter study of ionized nanosilver recovery from wash water using emulsion liquid membrane process by Raja Sulaiman, Raja Norimie, Othman, Norasikin, Saidina Amin, Nor Aishah, Mohamed Noah, Norul Fatiha

“…The ELM formulation consists of bis [2,4,4-trimethylpentyl] monothiophosphinic acid (Cyanex 302) as a carrier, Span 80 as a surfactant, kerosene as a diluent and thiourea in sulphuric acid (H2SO4) solution as stripping agent. …”
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