Multi-component design and in-situ synthesis of visible-light-driven SnO2/g-C3N4/diatomite composite for high-efficient photoreduction of Cr(VI) with the aid of citric acid

NH2-MIL-88B (FeαIn1−α) mixed-MOFs designed for enhancing photocatalytic Cr(vi) reduction and tetracycline elimination

“…[1][2][3][4] Hexavalent chromium (Cr(VI)), as a heavy metal ion pollutant in wastewater with high toxicity and mobility, has seriously threatened human health and the natural environment. 5,6 If a large amount of Cr(VI) existed in the drinking water system, it would cause damage to the human stomach, kidneys, liver, and retinas and also serious environmental concern. 7,8 Therefore, it is urgent to remove Cr(VI) from wastewater.…”

Ag3VO4/g-C3N4/diatomite ternary compound reduces Cr(vi) ion in aqueous solution effectively under visible light

“…46 The absorption peak between 1650 and 1200 cm À1 can be expressed as the stretching vibration peak of triazine ring structure skeleton. 35,47 In addition, the absorption band from 3500 cm À1 to 3000 cm À1 corresponds to the stretching vibration of the terminal NH 2 and the NH groups generated by the incomplete condensation of CN. In the infrared spectrum of pure AVO, the peak at 875 cm À1 corresponds to V]O double bond vibration.…”

Photocatalytic Reduction of Cr (VI) over g-C3N4 Photocatalysts Synthesized by Different Precursors

“…Previous studies have shown that the photocatalytic reduction of Cr (VI) on the face of g-C3N4 occurs via a direct or indirect reduction of photogenerated electrons trapping of photogenerated electrons by O2 is critical for Cr (VI) reduction in the redu process [3,29,44,45]. To investigate the role of O2 on the photocatalytic reduction of Cr over U-CN in the presence of citric acid, the comparison experiments were carried o different gas atmospheres.…”