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Removal of Phthalate Esters from Aqueous Solution by Molybdate Impregnated Chitosan Beads
| Content Provider | Semantic Scholar |
|---|---|
| Author | Chen, Chih-Yu Chung, Ying-Chien |
| Copyright Year | 2007 |
| Abstract | The removal of phthalate esters (PAEs) by molybdate impregnated chitosan beads (MICB) in an aqueous solution was studied. The adsorption isotherms of PAEs by MICB were well described by Freundlich isotherm equations. The results of kinetic experiments indicated that of the six PAEs studied diheptyl phthalate (DHpP) was the most efficiently adsorbed (3.01 mg/g). PAEs were well adsorbed by MICB in both the batch and continuous systems. In terms of recovery efficiency, 92.5% DHpP was recovered from MICB following shaking in a mixture of methanol and water (v/v = 4/6). The recovered MICB was reusable as an adsorbent for a minimum of 15 cycles in the batch tests. Different water environments were simulated by varying the temperature, pH, Ca2+, and NaCl of the aqueous solutions and the effects on PAE absorption evaluated. The amount of PAE adsorbed by MICB decreased as the temperature increased, indicating an exothermic reaction, but coexisting pH, NaCl, and Ca2+ did not affect the adsorption efficiency. The ef... |
| Starting Page | 834 |
| Ending Page | 841 |
| Page Count | 8 |
| File Format | PDF HTM / HTML |
| DOI | 10.1089/ees.2006.0172 |
| Volume Number | 24 |
| Alternate Webpage(s) | http://job.cust.edu.tw/job/rdc/a/95.pdf |
| Alternate Webpage(s) | https://doi.org/10.1089/ees.2006.0172 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
