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Confinement-induced Ni-based MOF formed on TiCT MXene support for enhanced capacitive deionization of chromium(VI).
Sci Rep
January 2025
School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng, 224051, People's Republic of China.
MXenes, as a novel two-dimensional lamellar material, has attracted much attention. However, MXenes lamellar are prone to collapse and stacking under hydrogen bonding and interlayer van der Waals forces, which affects their electrochemical and capacitive deionization performance. A three-dimensional Ni-1,3,5-benzenetricarboxylate/TiCT (Ni-BTC/TiCT) composite electrode material was developed to enhance the electrochemical and capacitive deionization performance.
View Article and Find Full Text PDFIntegration of ratiometric, ultrafast, sensitive detection as well as rapid and efficient removal of tetracycline based on a novel Zn (II) functionalized magnetic covalent organic framework.
Anal Chim Acta
March 2025
State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China. Electronic address:
Background: Based on the low volatility and refractory nature of Tetracycline (TC), excessive use leads to its continuous accumulation in water environments, posing serious risks to the ecological environment and human health. Although a very limited number of nanomaterials capable of simultaneously detecting and removing TC have been fabricated, they generally exist issues associated with a single detection signal ("on" or "off") or low adsorption rates with low adsorption capacities. As a result, it is crucial to develop a reliable technique to achieve ratiometric detection as well as rapid and efficient removal of TC.
View Article and Find Full Text PDFRaman spectra of pyromorphite, vanadinite and mimetite at high pressures and high temperatures.
Spectrochim Acta A Mol Biomol Spectrosc
January 2025
Key Laboratory of High-temperature and High-pressure Study of the Earth's Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081 Guizhou, China. Electronic address:
High-pressure and high-temperature Raman spectra of natural pyromorphite, vanadinite and mimetite were measured up to 11 GPa and 973 K, respectively. No phase transition was observed within the temperature and pressure ranges in this study. Raman modes for pyromorphite, vanadinite and mimetite vary with temperature or pressure linearly.
View Article and Find Full Text PDFOptimizing nano-sized oxygen bubble application for prolonged aerobic degradation of BTEX in contaminated groundwater.
J Environ Manage
January 2025
Department of Environmental Engineering, Korea National University of Transportation, Chungju, 27469, Republic of Korea. Electronic address:
This study investigates the use of nano-sized oxygen bubbles (NOBs) to enhance BTEX (benzene, toluene, ethylbenzene, xylene) biodegradation in groundwater. Optimized NOBs, averaging 155 nm and at a concentration of 6.59 × 10⁸ bubbles/mL, were found to provide sustained oxygen release with a half-life of approximately 50 days.
View Article and Find Full Text PDFModeling of hydrogeochemical processes influencing uranium migration in anthropized arid environments with application to the Teloua aquifer.
J Contam Hydrol
January 2025
Mines Paris, PSL University, Center for Geosciences and Geoengineering, France; ORANO Mining, Environmental R&D Dpt., France.
Sandstone-hosted uranium is mined in the Sahel regions of Niger. The Teloua aquifer is located beneath the ore-processing facilities of one such former mine, COMINAK. The pores of the sandstone bedrock are partially filled by tosudite, a clay with sorption capacities.
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