像镉这样的重金属,铅,铬是通过工业发展排放到环境中的污染物。在这项工作中,合成了一种新的二苯胺配位钴配合物(Co-DPA),并对其去除废水中重金属的效果进行了测试,并考察了其吸附能力。通过调整吸附参数,评价了Co-DPA对重金属的去除效果,如吸附剂剂量,pH值,初始金属浓度,和吸附期。实际样品中Cd2+的重金属浓度分别为0.267、0.075和0.125mg/L,Pb2+,和Cr3+,然后使用合成的Co-DPA处理废水。用合成的Co-DPA处理后,Cd2+的重金属浓度降至0.0129、0.00028、0.00054mg/L,Pb2+,和Cr3+,分别,在80分钟。去除率为95.6%,99.5%,和99.5%的相应的金属。吸附过程令人满意地符合Freundlich等温线,R2为Cd2(0.999,0.997,0.995),Pb2+,和Cr3+,分别。动力学数据服从Cd2和Cr2的伪二阶和Pb2的伪一阶。根据本研究框架内获得的结果,结论是,合成的Co-DPA是一种很好的吸附剂,可以消除Cd2等重金属离子,Pb2+,和Cr3+废水溶液。总的来说,Co-DPA是一种很有前途的去除水中重金属离子的新材料。
Heavy metals like Cadmium, Lead, and Chromium are the pollutants emitted into the environment through industrial development. In this work, a new diphenylamine coordinated cobalt complex (Co-DPA) has been synthesized and tested for its efficiency in removing heavy metals from wastewater, and its adsorption capacity was investigated. The effectiveness of heavy metals removal by Co-DPA was evaluated by adjusting the adsorption parameters, such as adsorbent dose, pH, initial metals concentration, and adsorption period. Heavy metal concentrations in real sample were 0.267, 0.075, and 0.125 mg/L for Cd2+, Pb2+, and Cr3+ before using as-synthesized Co-DPA to treat wastewater. After being treated with synthesized Co-DPA the concentration of heavy metals was reduced to 0.0129, 0.00028, 0.00054 mg/L for Cd2+, Pb2+, and Cr3+, respectively, in 80 min. The removal efficiency was 95.6%, 99.5%, and 99.5% for the respective metals. The adsorption process fitted satisfactorily with Freundlich isotherm with R2(0.999, 0.997, 0.995) for Cd2+, Pb2+, and Cr3+, respectively. The kinetic data obeyed the pseudo-second order for Cd2+ and Cr2+ and the pseudo-first order for Pb2+. Based on the results obtained within the framework of this study, it is concluded that the as-synthesized Co-DPA is a good adsorbent to eliminate heavy metal ions like Cd2+, Pb2+, and Cr3+from wastewater solution. In general, Co-DPA is a promising new material for the removal of heavy metal ions from water.