Photoelectrocatalytic selective removal of group-targeting thiol-containing heterocyclic pollutants.

The removal of a class of toxic thiol-containing heterocyclic pollutants from complex water matrices has great environmental significance. In this study, a novel photoanode (Au/MIL100(Fe)/TiO) with dual recognition functions was designed for selective group-targeting photoelectrocatalytic removal of thiol-containing heterocyclic pollutants from various aquatic systems. The average degradation and adsorption removal efficiency of 2-mercaptobenzimidazole, 2-mercaptobenzothiazole, and 2-mercaptobenzoxazole were still above 96.

Accurate Removal of Toxic Organic Pollutants from Complex Water Matrices.

Characteristic emerging pollutants at low concentration have raised much attention for causing a bottleneck in water remediation, especially in complex water matrices where high concentration of interferents coexist. In the future, tailored treatment methods are therefore of increasing significance for accurate removal of target pollutants in different water matrices. This critical review focuses on the overall strategies for accurately removing highly toxic emerging pollutants in the presence of typical interferents.

Intermediate accumulation and toxicity reduction during the selective photoelectrochemical process of atrazine in complex water bodies.

Selective removal of atrazine (ATZ) in wastewater and clarification of the degradation intermediate-toxicity correlation are of great importance. A newly molecularly imprinted, {001} facets-exposed TiO (MI-TiO) photoanode with strong catalytic and selective ability was designed. ATZ was selectively removed from pesticide wastewater, reaching 1.

Accurate Removal of Trace 17β-Estradiol and Estrogenic Activity in Blended Systems under a Photoelectrocatalytic Circulating Flow.

Trace 17β-estradiol (E2) is persistent against advanced treatment when blended with higher concentrations of low-toxicity organics, thus wasting energy. A circulating-flow selective photoelectrocatalysis (CF-SPEC) system is established with a selective E2-TiO-NR photoanode, accurately reducing 1 μg L E2 to less than 0.1 ng L along with eliminating estrogenic activity even when blended with natural organic matter (NOM) at a thousand times higher concentration.

Selective Photoelectrocatalytic Removal for Group-Targets of Phthalic Esters.

The development of a selective removal method for group-targets of pollutants under the inhibition of nontoxic organic interferents is of great importance in environmental science. A novel TiO photoelectrode functionalized with dummy templates (PS-PAE-TiO) is designed, exhibiting group-targeting selectivity for nine phthalate ester (PAE) analogs. In total, 90-99% of PAEs were removed from 30 μg L in actual wastewater (chemical oxygen demand, 14.

Highly Characteristic Adsorption Based on Single Crystal {001}-TiO Surface Molecular Recognition Promotes Enhanced Oxidation.

Exploring the adsorption and selective removal mechanism of target pollutants on the catalytic interface is an important research topic in the field of environmental sewage treatment. However, the molecular recognition based on the surface of single crystals is still unclear. Single crystal molecularly imprinted TiO (001-MI-TiO) with a highly exposed {001} plane was prepared by a hydrothermal method to characteristically adsorb and degrade phenol.

Novel Electrochemical Pretreatment for Preferential Removal of Nonylphenol in Industrial Wastewater: Biodegradability Improvement and Toxicity Reduction.

Preferential pretreatment of nonylphenol (NP) before biological treatment is of great significance due to its horizontal gene transfer effect and endocrine disruption activity. A novel molecular imprinting high-index facet SnO (MI-SnO) electrode is designed. NP was effectively removed from industrial wastewater at 1.