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Citation: LIANG Hui-Jun, PENG Cai-Hong, CHEN Zhong-Xiu. Adsorption Equilibrium and Kinetics of Water in Ethyl Acetate on 3A Molecular Sieve[J]. Chinese Journal of Applied Chemistry, ;2006, 23(3): 328-331. shu

Adsorption Equilibrium and Kinetics of Water in Ethyl Acetate on 3A Molecular Sieve

1.
College Of Materials And Chemical Engeering, Zhejiang University, Hangzhou 310027

Corresponding author: CHEN Zhong-Xiu,
Received Date: 5 May 2005
Available Online: 20 October 2005

The adsorption of water in ethyl acetate on zeolite 3A was carried out in a batch system.The equilibrium behaviour was shown to fit a Langmuir isotherm.A surface diffusion model,coupled with the observed Langmuir isotherm equations,was used to interpret the observed experimental adsorption kinetic curves at different initial concentrations,temperatures and particle sizes.Surface diffusivity D_s can be calculated.The surface diffusivity increased as temperature and initial concentration increased,but it was independent of particles size.The pre-exponential factor D_so and the activation energy E was also calculated.
- ethyl acetate,
- water,
- adsorption kinetics,
- surface diffusivity,
- zeolite 3A
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