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- W2274019896 abstract "In the present study, polyamine polyurea polymer was employed for adsorption of Cr(VI) ions from aqueous solution. Adsorption studies were carried out to examine the effects of parameters such as pH, contact time, initial concentration of Cr(VI), and temperature. Optimum pH value and the contact time of the system were found to be 2.5 and 240 minutes, respectively. Thermodynamic parameters that calculated with the results of temperature studies showed the adsorption processes have exothermic, reversible, and spontaneous nature. The compared isotherm data clarified that Cr(VI) adsorption onto polyamine polyurea polymer (PPP) was proper with Langmuir isotherm with maximum adsorption capacity of 135.1 mg g−1. Pseudo-second-order kinetic model was found to be descriptive for the kinetic mechanism of Cr(VI) adsorption onto PPP. Single-stage batch adsorber was designed using equilibrium data for removal of Cr(VI) at various solutions. Consequently, the PPP has been found to be effective adsorbent for removal of Cr(VI) from water media." @default.
- W2274019896 created "2016-06-24" @default.
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- W2274019896 date "2015-07-08" @default.
- W2274019896 modified "2023-10-17" @default.
- W2274019896 title "Enhanced Adsorption of Hexavalent Chromium Ions on Polyamine Polyurea Polymer: Isotherm, Kinetic, Thermodynamic Studies and Batch Processing Design" @default.
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- W2274019896 doi "https://doi.org/10.1080/01932691.2015.1066258" @default.
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