In this section, you can access to the latest technical information related to the FUTURE project topic.

Efficient activation of peroxymonosulfate and degradation of Orange G in iron phosphide prepared by pickling waste liquor

In this study, the low-cost preparation of iron phosphide by using pickling waste liquor as the initial material was performed through a two-step reaction. The degradation of Orange G was evaluated using iron phosphide coupled with peroxymonosulfate to construct a catalytic system. The removal efficiencies of Orange G and total organic carbon reached 97.4 and 58.4% at 60?min, respectively. Iron phosphide has dual-catalysis centers for the activation of PMS. Multiple free radicals (e.g., SO4??, HO?, SO5??, and O2??) and singlet oxygen were involved in the pollutant degradation, of which sulfate radicals played the main role. The iron phosphide catalyst exhibited excellent recycling stability, and its catalytic efficiency reached 95% after five cycles. In summary, the Fe2P/PMS system?as a Fenton-like catalytic system?has certain advantages, including low cost, high efficiency, sufficient reusability, and good stability, all of which are favorable for its practical application.

» Author: Meng Wu, Yun Wang, Bin Lu, Bing Xiao, Rufen Chen, Hui Liu

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