Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India.
Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India.
Int J Biol Macromol. 2019 May 15;129:214-226. doi: 10.1016/j.ijbiomac.2019.02.034. Epub 2019 Feb 6.
The present work represents RSM-CCD (Response Surface Methodology integrated Central composite Design) optimized synthesis scheme of semi-IPN (semi interpenetrating network) NaAla-Gel-cl-polyAAm and ZnS nanocomposite adsorbent NaAla-Gel-cl-polyAAm/ZnS. Under optimized reaction parameters semi-IPN NaAla-Gel-cl-polyAAm showed maximum swelling percentage of 3191.73%. Maximum dye removal percentage (97.37%) was observed with ZnS nanocomposite for the removal of biebrich scarlet. The adsorption isotherm data indicated that Langmuir and Freundlich adsorption isotherm fitted well for biebrich scarlet (R = 0.964) and crystal violet (R = 0.960), respectively. ΔG°, ΔH° and ΔS° values indicated the thermodynamic feasibility of the reaction. Excellent recyclability and reusability of the adsorbent materials suggested their applicability towards textile industry and water purification purpose.
本工作代表 RSM-CCD（响应面法集成中心复合设计）优化的半互穿网络（半互穿网络）NaAla-Gel-cl-polyAAm 和 ZnS 纳米复合材料吸附剂 NaAla-Gel-cl-polyAAm/ZnS 的合成方案。在优化的反应参数下，半互穿网络 NaAla-Gel-cl-polyAAm 表现出最大的溶胀率为 3191.73%。ZnS 纳米复合材料对丽春红的去除率最高（97.37%）。吸附等温线数据表明，Langmuir 和 Freundlich 吸附等温线分别很好地拟合了丽春红（R = 0.964）和结晶紫（R = 0.960）。ΔG°、ΔH°和ΔS°值表明反应的热力学可行性。吸附剂材料具有良好的可回收性和可重复使用性，表明它们适用于纺织工业和水净化目的。
