Abstract Oxygen-functionalized porous carbon (PC-800) was fabricated through direct thermal treatment of biowaste under inert atmosphere. The PC-800 was systematically characterized and the results showed that the catalyst was extremely favorable for catalysis due to its high specific surface area (993 m2/g) and abundance active sites (ketonic groups). The results indicated that PC-800 can efficiently degrade acid orange 7 (AO7), and increasing the catalyst loading and PMS dosage have promotional effect on catalysis. The recyclability study showed that, while PC-800 can be reused for several cycles, the catalytic activity was partially deactivated due to the cannibalistic oxidation of PC-800 surface. Nevertheless, high mineralization extent (DOC removal = 70%) and ring opening of aromatic AO7 intermediates was achieved. It was also found that both radical and nonradical mechanisms were responsible for AO7 degradation. Overall, this study showed that biowaste can be facilely functionalized with oxygen functional groups for sustainable PMS activation.

中文翻译：

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从生物废物中一锅法合成氧功能化多孔碳，通过过硫酸盐活化快速去除有机物

摘要 通过在惰性气氛下对生物废物进行直接热处理制备了氧功能化多孔碳（PC-800）。PC-800 被系统地表征，结果表明该催化剂由于其高比表面积（993 m2/g）和丰富的活性位点（酮基）而非常有利于催化。结果表明PC-800能有效降解酸性橙7(AO7)，增加催化剂负载量和PMS用量对催化有促进作用。可回收性研究表明，虽然 PC-800 可以重复使用多个循环，但由于 PC-800 表面的自相氧化，催化活性部分失活。尽管如此，还是实现了芳香族 AO7 中间体的高矿化程度（DOC 去除率 = 70%）和开环。还发现自由基和非自由基机制都是 AO7 降解的原因。总的来说，这项研究表明，生物废物可以用氧官能团轻松功能化，以实现可持续的 PMS 活化。