Heterogeneous Ti/PbO-electro-Fenton degradation of aromatic methane dyes using industrial pyrite waste slag as catalyst.

It is imperative to search the eco-friendly and cost-effective technologies for degrading contaminants. Coupling the effect of Ti/PbO at the anode with heterogeneous electro-Fenton was an efficient method. Industrial pyrite waste slag characterized by a variety of methods had catalytic performance and stable performance to activate hydrogen peroxide (HO) into hydroxyl radical (∙OH).

Process optimization and mechanism study of acid red G degradation by electro-Fenton-Feox process as an in situ generation of HO.

Dye-contaminated wastewaters are industrial wastewaters that are difficult to treat using traditional biochemical and physicochemical methods. In the present work, the acid red G was removed as a model pollutant by the electro-Fenton process for the first time. The anode and cathode used by the electro-Fenton process were iron plate and graphite felt, respectively.

Electrochemical degradation of vanillin using lead dioxide electrode: influencing factors and reaction pathways.

In this study, a novel PbO-CeO composite electrode was applied it to the electrocatalytic degradation of vanillin. The operating parameters such as applied current density, initial vanillin concentration, supporting electrolyte concentration and pH value were investigated and optimised. After 120 min, in a 0.

Discovery, Structural Optimization, and Mode of Action of Essramycin Alkaloid and Its Derivatives as Anti-Tobacco Mosaic Virus and Anti-Phytopathogenic Fungus Agents.

Plant diseases seriously affect crop yield and quality and are difficult to control. Marine natural products (MNPs) have become an important source of drug candidates with new biological mechanisms. Marine natural product essramycin () was found to have good anti-tobacco mosaic virus (TMV) and anti-phytopathogenic fungus activities for the first time.

Electrochemical oxidation treatment of coal tar wastewater with lead dioxide anodes.

In this study, coal tar wastewater was treated by electrochemical oxidation technology using lead dioxide anodes. The influence of operating parameters, including applied current density, electrode gap and initial pH value, on the removal ratio of chemical oxygen demand (COD) was investigated. The results demonstrated that the COD removal ratio reached 90.

Electrocatalytic degradation of the herbicide metamitron using lead dioxide anode: influencing parameters, intermediates, and reaction pathways.

In the present study, the electrocatalytic degradation of triazine herbicide metamitron using Ti/PbO-CeO composite anode was studied in detail. The effects of the current density, initial metamitron concentration, supporting electrolyte concentration, and initial pH value were investigated and optimized. The results revealed that an electrocatalytic approach possessed a high capability of metamitron removal in aqueous solution.

Electrochemical degradation of insecticide hexazinone with Bi-doped PbO electrode: Influencing factors, intermediates and degradation mechanism.

Electrochemical degradation of hexazinone in aqueous solution using Bi-doped PbO electrodes as anodes was investigated. The main influencing parameters on the electrocatalytic degradation of hexazinone were analyzed as function of initial hexazinone concentration, current density, initial pH value and NaSO concentration. The experiment results showed that the electrochemical oxidization reaction of hexazinone fitted pseudo-first-order kinetics model.

Preparation and electrochemical treatment application of Ce-PbO/ZrO composite electrode in the degradation of acridine orange by electrochemical advanced oxidation process.

Novel Ce-PbO/ZrO composite electrodes were successfully fabricated in lead nitrate solution containing cerium ions and ZrO particles by composite electrodeposition method. SEM images and XRD results indicated that Ce-PbO/ZrO composite electrodes have compact structure and fine grain size. Ce-PbO/ZrO composite electrode has higher oxygen evolution overpotential and stability than Ce-PbO electrode.

Electrocatalytic degradation of methylene blue on PbO2-ZrO2 nanocomposite electrodes prepared by pulse electrodeposition.

PbO2-ZrO2 nanocomposite electrodes (P) were prepared by pulse electrodeposition and used for the electrocatalytic degradation of methylene blue (MB). The SEM and XRD tests show that PbO2-ZrO2 nanocomposite electrodes (P) possess more compact structure and finer grain size than PbO2-ZrO2 nanocomposite electrodes (D) prepared by direct electrodeposition. The electrochemical measurements show that PbO2-ZrO2 nanocomposite electrodes (P) have higher oxygen evolution overpotential and the oxidation regions of MB and water are significantly separated.