E-waste has become one of fastest growing waste streams globally. The conversion of e-waste into a valuable nanomaterial is an efficient and sustainable approach toward developing a circular economy. In this study, MCM-48 mesoporous silicas were synthesized from recycled electronic packaging resin waste. Next, ordered mesoporous carbons were synthesized using the MCM-48 template. The influence of synthesis variables, such as the surfactant premixing procedure, cationic surfactant type, isothermal or nonisothermal pyrolysis procedure, pyrolysis time, carbon precursor, and the pre- and post-treatment procedures of samples on the surface properties of carbon materials was investigated. Experimental results confirmed that well-ordered CMK-1 materials with a high purity of 99.94 wt % were successfully synthesized using the resin waste as a silica template source. The resulting mesoporous carbon had a large surface area of 1715 m²/g, a pore volume of 1.02 cm³/g, and a uniform bimodal pore size of 2.33 and 3.86 nm. The carbon structure was sensitive to the pyrolysis temperature, pyrolysis time, and the concentration of sulfuric and hydrofluoric acid. The recycling of e-waste into MCM-48 and CMK-1 materials can reduce environmental pollution as well as achieve economic and social benefit.

中文翻译：

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利用回收电子废物作为二氧化硅模板源的可持续方式合成高质量有序介孔碳

电子废物已成为全球增长最快的废物流之一。将电子废物转化为有价值的纳米材料是发展循环经济的有效且可持续的方法。在这项研究中，MCM-48介孔二氧化硅是由回收的电子包装树脂废料合成的。接下来，使用MCM-48模板合成有序介孔碳。研究了表面活性剂的预混合步骤，阳离子表面活性剂类型，等温或非等温热解程序，热解时间，碳前驱体以及样品的预处理和后处理程序等合成变量对碳材料表面性能的影响。实验结果证实，有序的CMK-1材料具有99的高纯度。使用树脂废料作为二氧化硅模板源成功合成了94 wt％。所得的介孔碳的表面积为1715 m² / g，孔体积为1.02 cm ³ / g，均匀的双峰孔径为2.33和3.86 nm。碳结构对热解温度，热解时间以及硫酸和氢氟酸的浓度敏感。将电子废物回收到MCM-48和CMK-1材料中可以减少环境污染并实现经济和社会效益。