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Remediation of Chromium (VI) and Rhodamine 6G via Mixed Phase Nickel-Zinc Nanocomposite: Synthesis and Characterization
Journal of Inorganic and Organometallic Polymers and Materials ( IF 3.9 ) Pub Date : 2020-10-04 , DOI: 10.1007/s10904-020-01776-3
Sabeena Shoukat , Sirajul Haq , Wajid Rehman , Muhammad Waseem , Muhammad Hafeez , Salah Ud Din , Zain-ul-Abdin , Pervaiz Ahmad , Mahfooz Ur Rehman , Amreen Shah , Basharat Khan

The mixed phase Nickel-Zinc Nanocomposite (NiZn-NC) was synthesized via microemulsion method using Tween-80 as an emulsifying agent. The Brunauer, Emmett, Teller (BET) and Barrett, Joyner, Halenda (BJH) methods were utilized to measure the surface area (53.84 m2/g) and pore size (1.9 nm) respectively. The crystallographic aspects were analyzed through X-ray diffractometer (XRD) and the derived average crystallite size was 24.78 nm. The surface structure was explored via scanning and transmission electron microscopies (SEM and TEM) whereas the elemental composition was analyzed through energy dispersive X-ray (EDX). The Fourier transform infrared (FTIR) spectroscopic investigation was made to identify chemical moieties. The batch process was followed for the sorption of Cr(VI) ions under the influence of initial electrolyte concentration, temperature and pH. A sets of mathematical equations were utilized to explore mechanism, theoretical modelling and thermodynamic behavior of the adsorption process. The simulated solar light driven degradation of rhodamine 6G (Rh-6G) was examined in the presence and absence of NiZn-NC. The study reveals that 92.86% of Rh-6G was degraded with degradation rate of 0.0063 min−1 in 390 min.



中文翻译:

混合相镍锌纳米复合材料修复铬(VI)和若丹明6G:合成与表征

以吐温80为乳化剂,通过微乳液法合成了镍锌纳米复合相(NiZn-NC)。利用Brunauer,Emmett,Teller(BET)和Barrett,Joyner,Halenda(BJH)方法测量表面积(53.84 m 2(/ g)和孔径(1.9 nm)。通过X射线衍射仪(XRD)分析晶体学方面,得到的平均微晶尺寸为24.78nm。通过扫描和透射电子显微镜(SEM和TEM)探索表面结构,而通过能量色散X射线(EDX)分析元素组成。进行了傅里叶变换红外(FTIR)光谱研究以鉴定化学部分。在初始电解液浓度,温度和p的影响下,采用批处理工艺吸附Cr(VI)离子。H.利用一组数学方程式来探讨吸附过程的机理,理论模型和热力学行为。在存在和不存在NiZn-NC的情况下,检查了模拟的太阳光驱动的若丹明6G(Rh-6G)的降解。研究表明,Rh-6G的降解率为92.86%,在390分钟内的降解率为0.0063 min -1

更新日期:2020-10-05
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