Treatment of reactive dyes from water and wastewater through chitosan and its derivatives
Adsorption is a technique used to remove dyes from polluted aqueous solutions. In recent years, the use of low-cost adsorbents, such as chitosan, in wastewater treatment has increased. Chitosan is a safe, environmentally friendly and costeff ective substance produced by alkaline de-acetylation(DD) o...
| Main Authors: | Vakili, M., Rafatullah, M., Gholami, Z., Farraji, H. |
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| Format: | Book |
| Institution: | Universiti Teknologi Petronas |
| Record Id / ISBN-0: | utp-eprints.30944 / |
| Published: |
wiley
2016
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| Online Access: |
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85014472154&doi=10.1002%2f9781119041214.ch14&partnerID=40&md5=9a167c9876a0660ec3645308a9770589 http://eprints.utp.edu.my/30944/ |
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| Summary: |
Adsorption is a technique used to remove dyes from polluted aqueous solutions. In recent years, the use of low-cost adsorbents, such as chitosan, in wastewater treatment has increased. Chitosan is a safe, environmentally friendly and costeff ective substance produced by alkaline de-acetylation(DD) of chitin, which can be used as an adsorbent. Chitosan and its derivatives have attracted considerable attention as an appropriate adsorbent for dye removal due to their specifi c characteristics such as non-toxicity, cationicity, biodegradability and high absorption capability. Many chitosan derivatives have been obtained by chemical and physicalmodifi cations of raw chitosan, including cross-linking and graft ing new functional groups on the chitosan backbone to absorb dyes. Th is review summarizes the applications of chitosan and its graft ed and cross-linked derivatives in removing dyes from wastewater. It also highlights notable examples in the use of chitosan and its derivatives for dye removal from aqueous solutions. © 2016 Scrivener Publishing LLC. |
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