So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Bao, Yujie; Chen, Ting; Zhu, Zhiliang; Zhang, Hua; Qiu, Yanling; Yin, Daqiang researched the compound: Bis(acetylacetonato)dioxomolybdenum(VI)( cas:17524-05-9 ).Name: Bis(acetylacetonato)dioxomolybdenum(VI).They published the article 《Mo2C/C catalyst as efficient peroxymonosulfate activator for carbamazepine degradation》 about this compound( cas:17524-05-9 ) in Chemosphere. Keywords: molybdenum carbide carbon catalyst peroxymonosulfate activator carbamazepine degradation; Advanced oxidation processes; Carbamazepine; Molybdenum carbide; Peroxymonosulfate activation; Water purification. We’ll tell you more about this compound (cas:17524-05-9).
Compared with generally reported Mo4+/Mo6+ redox cycle, the exposed Mo2+ active sites of Mo-based materials may have a superior potential to effectively activate PMS. However, Mo2+-involved materials as efficient catalysts in sulfate radical-based advanced oxidation processes (SR-AOPs) has rarely been researched. In this work, a spherical Mo2C-loaded carbon material, Mo2C/C, was prepared for the first time by hydrothermal-calcination method directly used as peroxymonosulfate (PMS) activator toward carbamazepine (CBZ) degradation The results showed that the Mo2C/C could effectively remove nearly 100% CBZ (5 mg.L-1) in the presence of 0.75 mM PMS within 75 min under the optimal conditions. It was attributed to the reductive Mo2+, as active sites, benefits to absorb PMS on the surface to trigger electron transmission, and the defective carbon structures accelerate the activation of PMS. Consequently, the efficient Mo2+/Mo4+/Mo6+ electron transfer was achieved, resulting in excellent catalysis. A series of reactive species including SO4.-, .OH and 1O2 species participated in CBZ oxidation degradation Derived from the superior stability and reusability of Mo2C/C, the removal rate of CBZ still maintained above 80% even after five consecutive cycles, which is expected to be applied in the wastewater treatment including pharmaceuticals in the future.
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