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由石油废渣（PWS）和当地铝土矿制备的一些难熔陶瓷体（RCBs）的抗菌活性

Antimicrobial Activity of Some Refractory Ceramic Bodies (RCBs) Prepared from Petroleum Waste Sludge (PWS) and Local Bauxite Mineral.

作者信息

Saddiq Amna A, Baghdadi Afra M, Algamal Yousif

机构信息

Department of Biological Sciences, College of Sciences, University of Jeddah, Jeddah 21921, Saudi Arabia.

Applied College, University of Jeddah, Jeddah 21959, Saudi Arabia.

出版信息

ACS Omega. 2025 Jul 7;10(27):28728-28738. doi: 10.1021/acsomega.4c09076. eCollection 2025 Jul 15.

DOI:10.1021/acsomega.4c09076
PMID:40686991
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12268407/
Abstract

This study explores the novel synthesis of high-quality refractory ceramic bodies using varying proportions of petroleum waste sludge (PWS) and local bauxite mineral, with a focus on their antimicrobial properties. Five ceramic formulations, labeled RCB1 through RCB5, were prepared and fired at temperatures ranging from 600 to 1300 °C. These ceramics were rigorously evaluated for their antibacterial and antifungal activity against a range of pathogens, including Gram-negative ( ATCC25922, , ATCC27853, and ) and Gram-positive ( ATCCBAA977 and ATCC49619) bacteria, as well as fungi (, , and sp.). Among the formulations, RCB3 demonstrated exceptional antimicrobial performance, outperforming the 100% control sample in antibacterial activity. Specifically, RCB3 exhibited the highest inhibition zones against Gram-negative bacteria (: 2.10 mm, : 2.30 mm, : 3.10 mm, and : 3.00 mm) and Gram-positive bacteria (: 3.60 mm and : 3.60 mm). Furthermore, RCB3 showed superior antifungal activity against (4.20 mm), (3.20 mm), and sp. (3.00 mm), although it was slightly less effective than the control in antifungal performance. The significance of this study lies in its innovative approach to transform industrial waste into high-performance ceramics with dual environmental and biological benefits. By incorporating petroleum waste sludge into bauxite-based ceramics, this research not only provides a sustainable solution for waste management but also introduces a cost-effective and eco-friendly material with potent antimicrobial and antifungal properties. This breakthrough highlights the potential of such ceramics for applications in environmental remediation and biological control, offering a promising alternative for industrial use. The findings underscore the novelty of the study as it pioneers the integration of waste-derived materials into functional ceramics, bridging the gap between sustainability and advanced material performance.

摘要

本研究探索了使用不同比例的石油废污泥（PWS）和当地铝土矿来合成高质量耐火陶瓷体的新方法，重点关注其抗菌性能。制备了五种陶瓷配方，标记为RCB1至RCB5，并在600至1300°C的温度范围内烧制。对这些陶瓷针对一系列病原体的抗菌和抗真菌活性进行了严格评估，这些病原体包括革兰氏阴性菌（ATCC25922、ATCC27853等）和革兰氏阳性菌（ATCCBAA977和ATCC49619）以及真菌（等）。在这些配方中，RCB3表现出卓越的抗菌性能，在抗菌活性方面优于100%的对照样品。具体而言，RCB3对革兰氏阴性菌表现出最大的抑菌圈（：2.10毫米，：2.30毫米，：3.10毫米，：3.00毫米）和革兰氏阳性菌（：3.60毫米和：3.60毫米）。此外，RCB3对、（4.20毫米）、（3.20毫米）和真菌（3.00毫米）表现出卓越的抗真菌活性，尽管其抗真菌性能略低于对照。本研究的意义在于其创新方法，即将工业废物转化为具有环境和生物双重效益的高性能陶瓷。通过将石油废污泥纳入基于铝土矿的陶瓷中，本研究不仅为废物管理提供了可持续解决方案，还引入了一种具有强大抗菌和抗真菌性能的经济高效且环保的材料。这一突破凸显了此类陶瓷在环境修复和生物控制应用中的潜力，为工业用途提供了有前景的替代方案。研究结果强调了该研究的新颖性，因为它率先将废物衍生材料整合到功能陶瓷中，弥合了可持续性与先进材料性能之间的差距。

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