|کد مقاله||کد نشریه||سال انتشار||مقاله انگلیسی||ترجمه فارسی||نسخه تمام متن|
|6476827||1362516||2016||6 صفحه PDF||سفارش دهید||دانلود رایگان|
- CaSPT is a potential Zn(II) adsorbent in aqueous medium.
- Zn(II) loading capacity of CaSPT has been found to be 229.6Â mgÂ gâÂ 1.
- Zn(II)-CaSPT adsorption is an endothermic and spontaneous physisorption process.
- CaSPT has been successfully tested on a real life effluent sample.
Zn(II) adsorption in aqueous medium has been reported on Calcium Silicate Precipitation Tube (CaSPT), grown by 'silica garden route'. Adsorption varies nonlinearly with adsorbent dose and initial adsorbate concentration. Adsorption data fit better with Langmuir isotherm model which returns Zn(II) loading capacity of 229.6Â mgÂ gâÂ 1 at 0.01Â g CaSPT. Adsorption kinetics follows pseudo-second order rate equation with activation energy of 8.56Â kJÂ molâÂ 1, typical for a physisorption process. The adsorption process is endothermic and spontaneous. CaSPT was successfully tested with regard to Zn(II) removal on a real life effluent sample collected from an electroplating industry.
Journal: Hydrometallurgy - Volume 165, Part 1, October 2016, Pages 137-142