废蛋壳作为催化剂:一种环保方法

IF 1.2 Q4 ENGINEERING, ENVIRONMENTAL
Ateeq Rahman, Hilaria Hakwenye, V. Uahengo
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引用次数: 0

摘要

可持续性对于人类的生存和社会发展的生态系统至关重要。大量废物的倾倒造成了污染。因此,从绿色化学的角度来看,设计异相催化剂是一项协议,它可以从废品中产生产品,并通过环境友好型异相催化过程最大限度地减少废物污染,从而开发出环境友好型的长寿命产品。这种绿色合成的异相催化剂将取代现有的均相工艺,成为从废料中开发的异相催化剂。本摘要重点介绍了从蛋壳、稻壳等废弃材料中提取的异相催化剂的制备关键环节,这些催化剂可用于生物质转化、环境修复、有机转化的异相催化剂。这些蛋壳氧化钙催化剂采用分析技术进行表征,如X 射线衍射 (XRD)、傅立叶变换红外 (FT-IR)、热重-差热分析仪 (TG-DTA)、扫描电子显微镜 (SEM)、Brunauer-Emmett-Teller (BET) 表面积等分析技术对这些蛋壳氧化钙催化剂进行了表征,从而全面了解了催化剂的结构、孔隙率、形态、热稳定性、可重复使用性和活性。因此,二十年来,从蛋壳废料和医疗植物中开发的异相催化剂将越来越受欢迎。将蛋壳废料开发成蛋壳氧化钙催化剂,可为纳米比亚及其他发展中国家和欠发达国家的经济增长提供更清洁、可重复使用、生态友好的催化剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
WASTE EGGSHELLS AS CATALYSTS: AN ENVIRONMENTALLY-FRIENDLY APPROACH
Sustainability is crucial for the survival of mankind, ecosystem for the development of society. There have been huge amount of waste have been dumped which creates pollutions. Hence, from Green chemistry perspective it is a protocol to design heterogeneous catalysts which can yield products from waste products with minimization of wastes pollution with environmentally friendly heterogeneous catalytic process for the developed environmentally friendly products with longevity. Such green synthesized heterogeneous catalysts will replace the existing homogeneous process to heterogeneous catalysts being developed from waste materials. This abstract highlight key aspects on the preparation of heterogeneous catalysts derived from waste materials such as egg shell, rice husk for synthesis of Ag Nanoparticles developed, which can applied for biomass conversions, to environmental remediation, heterogeneous catalysts for organic transformations. These egg shell CaO catalysts are characterized using analytical techniques, such as: X-ray diffraction (XRD), Fourier-transform infrared (FT-IR), Thermogravimetric-Differential Thermal Analyzer (TG-DTA), Scanning electron microscope (SEM), Brunauer-Emmett-Teller (BET) surface area, which gives its complete picture of its structure, porosity, morphology, thermal stability, reusability, and activity of catalysts. Hence heterogeneous catalysts developed from egg shell wastes and medical plants will become increasingly popular since two decades. Since, the egg shell waste is developed into egg shell CaO catalysts for cleaner, reusable, eco-friendly catalysts for economic growth for Namibia and other developing and underdeveloped countries.
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来源期刊
Detritus
Detritus ENGINEERING, ENVIRONMENTAL-
CiteScore
3.30
自引率
23.50%
发文量
45
审稿时长
15 weeks
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