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Efficient Removal of Cationic and Anionic Dyes from Aqueous Solution Using Cellulose-g-p(AA-co-AM) Bio-Adsorbent
| Content Provider | Semantic Scholar |
|---|---|
| Author | Su, Xiuping Zhang, Yong Liao, Qian Yu, Qianhan Meng, Rangju Yao, Juming |
| Copyright Year | 2017 |
| Abstract | The removal of cationic methylene blue (MB) and anionic acid red 1 (AR1) dyes from aqueous solution was studied using cellulose-g-p(AA-co-AM) bio-adsorbent (CP bio-adsorbent). The CP bio-adsorbent with surface multiple functional groups and macroporous network structure was synthesized via grafting the acrylic acid (AA) and acrylamide (AM) onto cellulose molecules. The adsorption behavior of the bio-adsorbent to dyes in the aqueous solution was studied. The effects of solution pH, temperature, initial dye concentration, and contact time on the adsorption capacity of the bio-adsorbent were investigated. Due to the abundant functional groups and macroporous network structure, the CP bio-adsorbent exhibited remarkable adsorption performance for the removal of type dyes with an equilibrium adsorption capacity of 998 mg·g-1 for MB and 523 mg·g-1 for AR1. The kinetic studies revealed that the adsorption of dyes was exactly described by a pseudo-second-order kinetic model. Comparison with other bio-adsorbents confirmed that the eco-friendly CP bio-adsorbent possessed excellent potential for water purification. |
| Starting Page | 3413 |
| Ending Page | 3424 |
| Page Count | 12 |
| File Format | PDF HTM / HTML |
| DOI | 10.15376/biores.12.2.3413-3424 |
| Volume Number | 12 |
| Alternate Webpage(s) | https://bioresources.cnr.ncsu.edu/wp-content/uploads/2017/03/BioRes_12_2_3413_Su_LZLYMY_Efficient_Removal_Cationic_Anionic_Dyes_Aqueous_Solution_11022.pdf |
| Alternate Webpage(s) | https://doi.org/10.15376/biores.12.2.3413-3424 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
