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Citation: WANG Ai-Ping, ZHONG Hong, WANG Shuai, LIN Wei. Adsorption of Au(Ⅲ) to Poly (ethylene terephthalate) Dipped by Polymeric Thiourea Resin[J]. Chinese Journal of Applied Chemistry, ;2008, 25(10): 1134-1137. shu

Adsorption of Au(Ⅲ) to Poly (ethylene terephthalate) Dipped by Polymeric Thiourea Resin

1.
College of Chemistry and Chemical Engineering, Central South University, Changsha 410083

Corresponding author: ZHONG Hong,
Received Date: 17 October 2007
Available Online: 18 December 2007
Fund Project: 国家自然科学基金(20476105)资助项目 (20476105)

A new composite material,poly(ethylene terephthalate)-polymeric thiourea resin,was prepared by dipping method.The adsorption of Au(Ⅲ) was studied by batch method.Maximum adsorption capacity of PET-PDTU for Au(Ⅲ) reached 4.24 mmol/g,and the rate constant k=0.004 04 min^-1;G.E.Boyd Equation adequately fits the sorption rate before equilibrium,which confirms that the film diffusion controlls the sorption process.The equilibrium sorption data can be described by the Langmuir isotherm equation,which implies the monomolecular sorption in these systems.It was also proved from the thermodynamics that the sorption process was endothermal,and the enthalpy change ΔH calculated was 40.00 kJ/mol.
- poly(ethylene terephthalate),
- polymeric thiourea resin,
- dipping,
- adsorption,
- Au(Ⅲ)
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