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Separation of heavy metal pollutants by micellar-enhanced ultrafiltration membrane system and its surfactant recovery

Communications in Science and Technology · Vol. 11 No. 1 (2026) · hlm. 59–68

DOI
10.21924/cst.11.1.2026.1887
ISSN
2502-9266, 2502-9258
Terbit
2026-07-02
Penerbit
Komunitas Ilmuwan dan Profesional Muslim Indonesia
Bahasa
eng
Lisensi
creativecommons.org/licenses/by/4.0

Abstrak

Micellar-enhanced ultrafiltration (MEUF) is an effective treatment for treating heavy metal effluents. However, excessive use of synthetic surfactants leads to more serious problems, thereby highlighting the significance of surfactant recovery. This present study focuses on the recovery of surfactants while preserving their capacity to entrap metal ions. In this study, the acidification method was utilized to dissociate metal ions (Cu2+ and Cd2+) from the surfactant micelles. The findings demonstrate that the lowest critical micelle concentration found at pH 1, with 91% and 87% of the surfactant recovered for Cu2+ and Cd2+ system, respectively. The spontaneous occurrence of acidic surfactant micellization was thermodynamically validated, as evidenced by negative ΔGm values. Furthermore, the recovered surfactant exhibits high level of rejection and indicates an intermediate-blocking mechanism (R2>0.99). The findings highlight acid-assisted MEUF as a scalable approach for efficient metal removal and surfactant recovery, in turn, reducing chemical consumption and environmental impact.

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Titik IstirokhatunAfiliasi tidak diketahui6
RatnawatiAfiliasi tidak diketahui5
Lu'luatul KhoiriyahAfiliasi tidak diketahui4
Abdurrahman ZakkiAfiliasi tidak diketahui4
Dessy AriyantiAfiliasi tidak diketahui2
Asep Muhamad SamsudinAfiliasi tidak diketahui2
Dyah Hesti WardhaniAfiliasi tidak diketahui2
Aprilina PurbasariAfiliasi tidak diketahui2
Andayani AndayaniUniversitas Halu Oleo1
Atikah AnindyariniAfiliasi tidak diketahui1
Arief Ameir Rahman SetiawanAfiliasi tidak diketahui1
Firman Tri AdjieAfiliasi tidak diketahui1
Hafiizh PrasetiyaAfiliasi tidak diketahui1
Joddy Arya LaksmonoAfiliasi tidak diketahui1
Anny SulaswattyAfiliasi tidak diketahui1
Edi Iswanto WilosoAfiliasi tidak diketahui1
Dudi HidayatAfiliasi tidak diketahui1
Fajar WulandariAfiliasi tidak diketahui1
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Widyah AnggrainiAfiliasi tidak diketahui1
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Sumber metadata: OAI-PMH (metadata jurnal) https://cst.kipmi.or.id/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Separation of heavy metal pollutants by micellar-enhanced ultrafiltration membrane system and its surfactant recovery</dc:title>
	<dc:creator>Aryanti, Nita</dc:creator>
	<dc:creator>Susanto, Heru</dc:creator>
	<dc:creator>Widiasa, I Nyoman</dc:creator>
	<dc:creator>Rokhati, Nur</dc:creator>
	<dc:creator>Nafiunisa, Aininu</dc:creator>
	<dc:creator>Adina, Alifia Rizki</dc:creator>
	<dc:creator>Dwilaksita, Arnaldi</dc:creator>
	<dc:subject xml:lang="en-US">Ultrafiltration</dc:subject>
	<dc:subject xml:lang="en-US">fouling</dc:subject>
	<dc:subject xml:lang="en-US">heavy metals</dc:subject>
	<dc:subject xml:lang="en-US">critical micelle concentration</dc:subject>
	<dc:description xml:lang="en-US">Micellar-enhanced ultrafiltration (MEUF) is an effective treatment for treating heavy metal effluents. However, excessive use of synthetic surfactants leads to more serious problems, thereby highlighting the significance of surfactant recovery. This present study focuses on the recovery of surfactants while preserving their capacity to entrap metal ions. In this study, the acidification method was utilized to dissociate metal ions (Cu2+ and Cd2+) from the surfactant micelles. The findings demonstrate that the lowest critical micelle concentration found at pH 1, with 91% and 87% of the surfactant recovered for Cu2+ and Cd2+ system, respectively. The spontaneous occurrence of acidic surfactant micellization was thermodynamically validated, as evidenced by negative ΔGm values. Furthermore, the recovered surfactant exhibits high level of rejection and indicates an intermediate-blocking mechanism (R2&amp;gt;0.99). The findings highlight acid-assisted MEUF as a scalable approach for efficient metal removal and surfactant recovery, in turn, reducing chemical consumption and environmental impact.</dc:description>
	<dc:publisher xml:lang="en-US">Komunitas Ilmuwan dan Profesional Muslim Indonesia</dc:publisher>
	<dc:date>2026-07-02</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://cst.kipmi.or.id/journal/article/view/1887</dc:identifier>
	<dc:identifier>10.21924/cst.11.1.2026.1887</dc:identifier>
	<dc:source xml:lang="en-US">Communications in Science and Technology; Vol. 11 No. 1 (2026); 59-68</dc:source>
	<dc:source xml:lang="id-ID">Communications in Science and Technology; Vol 11 No 1 (2026); 59-68</dc:source>
	<dc:source>2502-9266</dc:source>
	<dc:source>2502-9258</dc:source>
	<dc:source>10.21924/cst.11.1.2026</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://cst.kipmi.or.id/journal/article/view/1887/262</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2026 Communications in Science and Technology</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by/4.0</dc:rights>
</oai_dc:dc>