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Copyright of University Chemistry is the property of Peking University, College of Chemistry & Molecular Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of University Chemistry is the property of Peking University, College of Chemistry & Molecular Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of University Chemistry is the property of Peking University, College of Chemistry & Molecular Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Porous melamine-formaldehyde resin was synthesized directly by a simple solvent thermal method, and its adsorptive properties for methylene blue, methyl orange and rhodamine B were investigated through adsorption kinetics and adsorption isotherm tests. The results showed that the decoloring efficiency was affected by the adsorbent dosage, initial dye concentration, pH and adsorption time. Under the optimum conditions, the decolorization rates were up to 82%, 92% and 95%, respectively. The kinetics results showed that the adsorption of each dye by porous melamine-formaldehyde resin followed pseudo second-order kinetic model. The adsorption isotherms of methyl orange and rhodamine B with porous melamine-formaldehyde resin had good agreements with Freundlich isotherm model, and methylene blue had a good agreement with Langmuir and Freundlich isotherm model. In this design, the operation process was simple and easy to operate. The designing experiment can not only enrich the experimental teaching contents, but also enlarge students vision, improve students' innovative abilities. [ABSTRACT FROM AUTHOR]