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An Innovative Food Processing Technology: Microwave Electrodeless Ultraviolet, Luminescence Mechanism, Microbial Inactivation, and Food Application.
Foods
December 2024
College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China.
Microwave electrodeless ultraviolet (MWUV) technology, as an emerging food processing technique, has garnered growing attention in the realm of food science in recent years. Based on different application requirements, MWUV equipment types are categorized as microwave oven reactor, continuous-flow UV-microwave reactor, coaxially driven MWUV reactor, and complete ultraviolet reactor. The luminescence properties of MWUV equipment depend on their filler gas; mercury is commonly used as a filler gas to produce a wavelength at 253.
View Article and Find Full Text PDFMigration and natural attenuation of leachate pollutants in bedrock fissure aquifer at a valley landfill site.
Environ Pollut
December 2024
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, PR China; State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental, Beijing, 100012, PR China.
Groundwater pollution from valley type landfills is concerning, and natural attenuation by contaminants is increasingly relied upon. However, the reliability of natural attenuation in such complex sites has been called into question due to incomplete understanding of their attenuation mechanisms. Therefore, we conducted field investigations, monitoring analyses, mathematical statistics, and machine learning techniques to elucidate the natural attenuation mechanisms of pollutants within bedrock fissures at a prototypical valley type landfill located in the east Yanshan Mountains, China.
View Article and Find Full Text PDFThe Legacy of Hg Contamination in a Past Mining Area (Tuscany, Italy): Hg Speciation and Health Risk Assessment.
Toxics
June 2024
Department of Earth Science, University of Pisa, Via S. Maria 53, 56126 Pisa, Italy.
The mercury cell manufacturing process, which has been extensively used in chlor-alkali plants to produce chlorine and caustic soda by electrolysis, represents a major source of Hg environmental pollution. At Saline di Volterra (Tuscany, Italy), solution mining by pumping water into halite deposits was applied to produce brines for a mercury-cell chlor-alkali plant. The Hg-contaminated, exhausted brines were pumped back at depth into the rock salt field in order to renew the available resources.
View Article and Find Full Text PDFExploiting halide perovskites for heavy metal ion detection.
Chem Commun (Camb)
April 2024
School of Environmental Science and Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, China.
Article Synopsis
- * Various materials, such as polymers and nanomaterials, are currently used for detection, but they each have limitations; metal halide perovskites (MHPs) show potential but are under-explored in this area.
- * The review examines MHPs as detection tools by exploring their structural properties, three key detection mechanisms (cation exchange, electron transfer, and fluorescence resonance energy transfer), and future research directions, including lead-free alternatives for improved safety and sensitivity in detecting heavy metals.
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