期刊
CHEMICAL ENGINEERING & TECHNOLOGY
卷 42, 期 11, 页码 2434-2442出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.201800749
关键词
Adsorption; Breakthrough curves; Chitosan; polyurethane foam; Fixed-bed column; Response surface methodology
资金
- CAPES (Coordination for the Improvement of Higher Education Personnel)
- CNPq (National Council for Scientific and Technological Development)
The potential of a chitosan/polyurethane foam (CTS/PU) fixed-bed column for the removal of Allura Red dye (AR) from aqueous solutions was evaluated. Breakthrough curves were constructed under different conditions and optimized using response surface methodology (RSM). The empirical models Thomas, Yoon-Nelson, and Bed Depth Service Time (BDST) were fitted to the experimental data. The dynamic models of Yoon-Nelson and BDST accurately fitted the experimental data. As a result, CTS/PU can be successfully applied in a fixed-bed adsorption operation to remove AR dye.
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