期刊论文

Gong, Jingming(jmgong@mail.ccnu.edu.cn)

英文

Environmental Pollution

0269-7491

2022

313

120172

10.1016/j.envpol.2022.120172

This work was supported by National Science Foundation of China (Grant No. 22076057 , 21777052 ), National Key R&D Program of China (Grant 2018YFC1802003 ), the Project for Application Foundation Frontier for Wuhan (Grant 2019020701011486 ), and The Program of Introducing Talents of Discipline to Universities of China ( 111 program, B17019 ).

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A significantly accelerated defluorination of recalcitrant perfluorooctanoic acid (PFOA) was explored with the co-present nitrate (20 mg L−1) by UV/sulfite treatment (UV/sulfite-nitrate). The deep defluorination of PFOA and complete denitrification of nitrate were simultaneously achieved in UV/sulfite-nitrate system. At the initial 30 min, PFOA defluorination exhibited an induction period, exactly corresponding to the removal of the co-existed nitrate. Upon the induction period passed, an accelerated removal of PFOA (5 mg L−1) occurred, nearl...