SHALLOW SHELL RESIN VERSUS TRADITIONAL RESIN: A CASE STUDY FOR Cu(II) REMOVAL

Yıl 2016, Cilt: 17 Sayı: 3, 530 - 542, 03.10.2016

Özgür Arar

https://doi.org/10.18038/btda.05967

Cited By: 3

Öz

Shallow Shell resin versus traditional resin: A case study for Cu(II) removal

Öz

A comparative study on Cu²⁺ removal by shallow shell resin (Purolite SST 60) and traditional strongly acidic cation exchange resin (Purolite PFC 100) was performed. Batch experiments were carried out as a function of  resin  dosage and  solution pH and contact time. Ion exchange reaction showed a pH depended feature.  Maximum removal of Cu²⁺ achieved  pH  from 2 to 5. Sorption isothermal data is well interpreted by the Langmuir equation. Additionally, kinetic experiments showed that the pseudo first-order model was suitable for such resins. The regeneration performance of shallow shell technology (SST) resin is better than PFC 100.  A solution of 2M H2SO4 performed well in regenerationof SST 60 resin. On the other han maximum regeneration reached 80% for PFC 100 resin.

Özet:

Bu çalışmada, klasik iyon değiştirici reçine (Purolite PFC 100) ve  sığ kabuk  reçine (Purolite SST 60)  ile Cu²⁺ giderilmesi incelenmiştir. Yapılan kesikli çalışmalarla Cu2+ giderilmesine, reçine miktarı, çözelti pH`ı ve temas süresinin etkisi incelenmiştir. Çözelti pH`ının 2 ile 5 arasında olduğu durumda Cu2+ iyonları tamamen giderilmiştir. Denge çalışmalarında elde edilen sonuçlar Langmuir izoterm modeline daha uygun olmuştur. Kinetik çalışmalarda elde edilen sonuçlar yalancı birinci mertebe kinetik modeline uygunluk göstermişir. SST 60 reçinesinin rejenerasyon verimi PFC 100 reçinesinden daha yüksektir. 2M H₂SO₄ ile SST 60 reçinesi tamamen rejenere edilmiştir.

Anahtar Kelimeler

Cation exchange, Copper, Shallow Shell resin, SST 60, Traditional resin

Kaynakça

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