Mo doping modulates peroxymonosulfate activation of cobalt carbon nanotube-based catalysts for efficient multi-pollutants removal: Oxygen vacancies trigger the evolution of high-valence cobalt-oxo species.

Formation of defective catalysts with oxygen-rich vacancies via ion doping represents an advanced strategy for enhancing catalytic activity. Cobalt oxides supported on carbon nanotubes (CNTs) were strategically designed to enhance peroxomonosulfate (PMS) through molybdenum (Mo)-doped oxygen vacancies (Vo) management to achieve the application of high-valent cobalt oxygen (Co(IV)O) dominated degradation mechanism. The first-order rate constant for tetracycline hydrochloride degradation in the CoMo/CNTs/PMS system (0.

Modulating the Electronic Coordination Configuration and d-Band Center in Homo-Diatomic FeN Catalysts for Enhanced Peroxymonosulfate Activation.

The electronic coordination configuration of metal active sites and the reaction mechanism were investigated by constructing homo-diatomic Fe sites for visible-light-assisted heterogeneous peroxymonosulfate (PMS) activation. A novel FeN catalyst was synthesized by selecting uniform pyridinic-N of graphitic carbon nitride (g-CN) as anchoring sites. The results demonstrated that homo-diatomic Fe sites modulated the d-band center and electron delocalization and thus enhanced the PMS activation kinetics (3.

Evaluation and Prediction on the Effect of Ionic Properties of Solvent Extraction Performance of Oily Sludge Using Machine Learning.

Oily sludge produced in the process of petroleum exploitation and utilization is a kind of hazardous waste that needs to be urgently dealt with in the petrochemical industry. The oil content of oily sludge is generally between 15-50% and has a great potential for oil resource utilization. However, its composition is complex, in which asphaltene is of high viscosity and difficult to separate.

In situ synthesis of novel peroxo-functionalized TiCT adsorbent for aqueous pollutants removal: Role of oxygen-containing terminal groups.

A novel peroxo-functionalized TiCT adsorbent with abundant surface termination groups was facilely prepared in situ to remove aqueous anionic and cationic dyes. The adsorption behavior of methylene blue on peroxo-functionalized TiCT was systematically investigated by adsorption kinetics, isotherms, and thermodynamics. Compared with TiCT, the adsorption capacities of peroxo-functionalized TiCT for cationic dyes methylene blue (558.