Polyacrylonitrile fiber supported nano zero-valent iron activated persulfate to degrade organophosphorus and simultaneously adsorb the produced phosphate

IF 6.7 2区环境科学与生态学 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Environmental Technology & Innovation Pub Date : 2024-11-26 DOI:10.1016/j.eti.2024.103912

Shengjin Tan , Shangyuan Zhao , Panpan Zhang , Peisen Liu , Qizhong Xiong , Chaochun Zhang , Gang Xu , Xian-Lei Shi , Yusef Kianpoor Kalkhajeh , Xinxin Ye

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引用次数: 0

Abstract

Degradation of organic phosphorus in water has received widespread attention. However, the synchronous recovery of generated phosphate remains a challenge. Herein, a novel nano zero-valent iron (nZVI) supported polyacrylonitrile fiber (PAN_AF-Fe⁰) was constructed to activate persulfate (PDS) for simultaneously degradation of organic P and removal of the generated phosphate. The results revealed that nZVI loading significantly increased the activation ability of PDS to degrade phenyl phosphonic acid (PPOA) with degradation rate over 99 % in 2 h, the SO₄^−• and •OH generated in the PAN_AF-Fe⁰/PDS system had major contributions. Furthermore, PAN_AF-Fe⁰ showed a high capacity of 5.12 mg P g⁻¹ for the removal of generated phosphate mainly via the formation of Fe-P complexes on the fiber surface. Besides, the PAN_AF-Fe⁰ possesses advantages of wide pH application range, remarkable anti-interference ability and excellent reusability, which provides an innovative technology of universal significance for the recovery of aquatic organic P.

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来源期刊

Environmental Technology & Innovation Environmental Science-General Environmental Science

CiteScore

14.00

自引率

4.20%

发文量

435

审稿时长

74 days

期刊介绍： Environmental Technology & Innovation adopts a challenge-oriented approach to solutions by integrating natural sciences to promote a sustainable future. The journal aims to foster the creation and development of innovative products, technologies, and ideas that enhance the environment, with impacts across soil, air, water, and food in rural and urban areas. As a platform for disseminating scientific evidence for environmental protection and sustainable development, the journal emphasizes fundamental science, methodologies, tools, techniques, and policy considerations. It emphasizes the importance of science and technology in environmental benefits, including smarter, cleaner technologies for environmental protection, more efficient resource processing methods, and the evidence supporting their effectiveness.