利用橡胶籽壳制备的多功能磁性生物炭催化臭氧氧化庞西欧 4R

IF 1.3 Q4 ENGINEERING, ENVIRONMENTAL

Journal of Ecological Engineering Pub Date : 2023-12-01 DOI:10.12911/22998993/172919

H. Nguyen, Tram Bao Truong, Hong-Hue Thi Nguyen, Phong Thanh Tran, Tuyet-Mai Tran-Thuy, L. Q. Nguyen, D. V. Nguyen

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引用次数: 0

摘要

本研究利用大量未充分利用的橡胶种子壳(RSS)，通过一锅fecl3活化，将其转化为一锅生产多功能磁性生物炭(MBC)。在MBC中形成了fe3o和fe0晶体，饱和磁化强度为6.83 emu/g。此外，该材料的比表面积为378 m2 /g，总孔体积为0.22 cm 3 /g。随后探索了MBC对P4R的催化臭氧化作用。结果表明，在3.0 ~ 9.0的较宽pH范围内，MBC增强了P4R的臭氧化作用。在pH值为5.8时，MBC对P4R脱色的准一级速率常数比不加MBC时提高了50%。综上所述，rss衍生的MBC具有成本低、生态友好、相对有效和磁可分离性等优点，是一种潜在的增强Ponceau 4R臭氧化的催化剂。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Catalytic Ozonation of Ponceau 4R Using Multifunctional Magnetic Biochar Prepared from Rubber Seed Shell

Herein, abundant and underutilized rubber seed shell (RSS) was valorized for one-pot production of multifunctional magnetic biochar (MBC) through one-pot FeCl 3 activation. Fe 3 O 4 and Fe 0 crystals were formed in MBC, providing a saturation magnetization of 6.83 emu/g. In addition, the material also had a specific surface area of 378 m 2 /g and a total pore volume of 0.22 cm 3 /g. MBC was subsequently explored for catalytic ozonation of Pon-ceau 4R (P4R). As a result, MBC enhanced P4R ozonation in a broad pH range of 3.0–9.0. At pH 5.8, the pseudo-first-order rate constant of P4R decolorization with MBC improved by 50% compared to that without MBC. Summarily, RSS-derived MBC is a potential catalyst for enhanced ozonation of Ponceau 4R thanks to its low cost, eco-friendliness, relative effectiveness, and magnetic separability.

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来源期刊

Journal of Ecological Engineering ENGINEERING, ENVIRONMENTAL-

CiteScore

2.60

自引率

15.40%

发文量

379

审稿时长

8 weeks

期刊介绍： - Industrial and municipal waste management - Pro-ecological technologies and products - Energy-saving technologies - Environmental landscaping - Environmental monitoring - Climate change in the environment - Sustainable development - Processing and usage of mineral resources - Recovery of valuable materials and fuels - Surface water and groundwater management - Water and wastewater treatment - Smog and air pollution prevention - Protection and reclamation of soils - Reclamation and revitalization of degraded areas - Heavy metals in the environment - Renewable energy technologies - Environmental protection of rural areas - Restoration and protection of urban environment - Prevention of noise in the environment - Environmental life-cycle assessment (LCA) - Simulations and computer modeling for the environment