شماره ركورد كنفرانس :
5048
عنوان مقاله :
Poly (vinyl alcohol)/ Chitosan metal adsorbents: preparation and properties
Author/Authors :
Shohreh ،Kianfar Radiation Applications Research School - Tehran, Iran , Nasrin ،Sheikh Radiation Applications Research School - Tehran, Iran
كليدواژه :
crosslinking , Poly (vinyl alcohol)/chitosan blend films , metal adsorption , glutaraldehyde , water uptake
عنوان كنفرانس :
ششمين كنگره بين المللي مهندسي شيمي
چكيده لاتين :
Poly (vinyl alcohol) (PVA)/chitosan blend films were prepared by casting the respective polymer solutions. The
glutaraldehyde with sulforic acid was used as crosslinking agent. A series of PVA/Chitosan blends were prepared by
varying the ratios of two components. Gel content and water uptake of blends were measured. The adsorption of Ni (II)
ions onto PVA/Chitosan blends was investigated. Batch adsorption experiments were carried out as a function of pH
media and concentration of Ni(II) ions. The optimum pH media for Ni adsorption was found to be 7.0 for all adsorbents.
The experimental adsorption data were fitted to the langmuir adsorption model. The results showed that a blend ratio of
50/50 of PVA/Chitosan is the best Nickel adsorbent.
