设计廉价、磁性可分离的 MnFe2O4/ 聚偏氨基苯酚 (PmAP) 异质结构:双酚 A 和活性蓝 19 矿化催化剂

IF 3.5 Q3 ENGINEERING, ENVIRONMENTAL
Chirasmayee Mohanty, Priyanka P. Mishra, Alaka Samal, Nigamananda Das and Ajaya K. Behera
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引用次数: 0

摘要

来自工业的有机废水,尤其是双酚 A(BPA)和染料,由于其抗生物降解性和致癌性,对生物构成了日益严重的威胁。本研究强调设计和制造一种价格低廉、磁性可分离的 MnFe2O4/ 聚偏氨基苯酚异质结构,作为两种持久性污染物(即双酚 A 和活性蓝 19 (RB-19))矿化的催化剂。MnFe2O4/PmAP 异质结构(MnP-10)的结构和磁性能揭示了其作为高效磁性可回收催化剂的潜力,突出了其在废水净化中的实用性和重复使用性。通过 XRD、XPS、SEM、TEM/HRTEM 等多种技术以及 BET 表面积和光学特性测量,确认了 MnP-10 的异质结构。通过对新鲜和重复使用的催化剂进行 XRD 和 VSM 研究,证实了 MnP-10 催化剂的稳定性和可回收性。在可见光照射 60 分钟内,催化剂对双酚 A 和 RB-19 的矿化效率达到 100%。TOC 和 GC-MS 分析证实了反应后有机物的有效去除。所开发催化剂的成本效益和稳定性使其成为废水处理应用的一个有吸引力的竞争者,解决了人们日益关注的去除顽固有机污染物的问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Design of inexpensive, magnetically separable MnFe2O4/poly meta-amino phenol (PmAP) heterostructure: catalyst for bisphenol A & reactive blue 19 mineralisation†

Design of inexpensive, magnetically separable MnFe2O4/poly meta-amino phenol (PmAP) heterostructure: catalyst for bisphenol A & reactive blue 19 mineralisation†

Design of inexpensive, magnetically separable MnFe2O4/poly meta-amino phenol (PmAP) heterostructure: catalyst for bisphenol A & reactive blue 19 mineralisation†

Organic effluents from industries, especially bisphenol A (BPA) and dyes, pose a growing threat to living creatures due to their resistance to biodegradation and carcinogenic nature. This research emphasizes the design and fabrication of an inexpensive and magnetically separable MnFe2O4/poly meta-aminophenol heterostructure as a catalyst for the mineralization of two persistent pollutants viz. BPA and Reactive Blue 19 (RB-19). The structural and magnetic properties of the MnFe2O4/PmAP heterostructure (MnP-10) revealed its potential as an efficient and magnetically recoverable catalyst highlighting its practical usability and repeated use in wastewater purification. The heterostructure of MnP-10 was confirmed through various techniques by XRD, XPS, SEM, TEM/HRTEM as well as BET surface area and optical property measurements. The stability and recyclability of the MnP-10 catalyst were confirmed through XRD and VSM studies of fresh and reused catalyst. The catalyst showed 100% efficiency for mineralization of BPA and RB-19 within 60 min of visible light illumination. The TOC and GC-MS analyses confirmed the efficient removal of organic contents after the reaction. The cost-effectiveness and stability of the developed catalyst make it an attractive contender for wastewater treatment applications, addressing the growing concerns connected with the removal of stubborn organic contaminants.

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