Modelling of selective retention of Cd-Ni ions from aqueous solutions by polymer enhanced ultrafiltration

Muhammed F. Can*, Fatma Arslan, Mehmet S. Çelik

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Özet

Polymer enhanced ultrafiltration (PEUF) technique economically enables separation and/or retention of various heavy metal ions from aqueous solutions for environmental and engineering problems. Polyethylenimine as the water-soluble complexation agent utilized to interact with heavy metal ions of Cd and Ni as cations in ultrafiltration experiments were modeled with protonation data to understand the mechanism. Test runs showed that an enrichment coefficient (the ratio of Cd over Ni in permeate) up to 10 was obtained at pH 4.2 in the temperature range of 20-22oC, whereas full retention of both cations is possible above pH 5.0 and those results are highly compatible with the model developed.

Orijinal dilİngilizce
Makale numarası151913
DergiPhysicochemical Problems of Mineral Processing
Hacim58
Basın numarası5
DOI'lar
Yayın durumuYayınlandı - 2022

Bibliyografik not

Publisher Copyright:
© Wroclaw University of Science and Technology

Finansman

The authors wish to express their appreciation to Istanbul Technical University-Scientific Research Projects Coordination Unit (BAP) for its support for the project (Selective separation of metals from waste waters by polymer supported ultrafiltration systems) under project number #30316.

FinansörlerFinansör numarası
Istanbul Technical University-Scientific Research Projects Coordination Unit
Bilimsel Araştırma Projeleri Birimi, İstanbul Teknik Üniversitesi30316

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