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Peter Jarvis, Olivier Autin, Emma H. Goslan and Francis Hassard
Ultraviolet light-emitting diodes (UV-LEDs) have recently emerged as a viable technology for water disinfection. However, the performance of the technology in full-scale drinking-water treatment systems remains poorly characterised. Furthermore, current ...
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Milena Henke, Tomasz Krystofiak, Emilia Adela Salca and Barbara Lis
The global drive to eliminate mercury is stimulating the development of LED lamps for UV curing of coatings. Despite its many advantages, the transition to this system in the furniture industry presents technological issues. This paper aimed to determine...
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Sara Bonuso, Pasquale Di Gloria, Guido Marseglia, Ramón A. Otón Martínez, Ghazanfar Mehdi, Zubair Ali Shah, Antonio Ficarella and Maria Grazia De Giorgi
This study introduces an innovative approach involving the injection of hydrogen into a low-swirl, non-premixed flame, which operates with gaseous fuels derived from an air-blast atomizer designed for aero-engine applications. The aim is to characterize ...
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S. Minisha, J. Johnson, Saikh Mohammad, Jeetendra Kumar Gupta, Sikandar Aftab, Asma A. Alothman and Wen-Cheng Lai
The study aims to contribute valuable insights into the potential applications of the photocatalyst, particularly in the realms of sustainable energy and environmental remediation. Here, Zn-doped NiO nanoparticles with different mole percentages of zinc ...
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Sumesh Nair, Yvonne Yuling Hu, Ching-Chieh Su, Ming-Jeh Chien and Shean-Jen Chen
Fungus gnats (Sciaridae) are one of the most devastating pests on mushroom farms. Generally, they are controlled using relatively inefficient physical means, like sticky or pheromone traps, or with chemical pesticides. Here, we have proposed an integrate...
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Ahmed Kamel, Ana Palacios, Manuel Fuentes and Marta Vivar
The aim of this study is to verify the reciprocity law in the wastewater disinfection process using UV light. The optical power UV-LEDs used were 1.6 mW and 50 mW, and the wavelengths were 265 nm and 275 nm. E. coli, Enterococcus faecalis, and Clostridiu...
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Paul Whitworth, Anthony S. Clare, John A. Finlay, Richard F. Piola, Joseph Plummer and Nick Aldred
The biofouling of marine structures must be controlled if crippling operational and maintenance costs are to be avoided and biological invasions prevented. However, traditional methods of biofouling control typically involve the use of toxic chemicals, w...
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Xiaosong Zha, Shuren Wang and Deyu Zhang
N-nitrosodimethylamine (NDMA), as an emerging nitrogenous disinfection byproduct, is strictly controlled by multiple countries due to its high toxicity in drinking water. Advanced reduction processes (ARPs) are a new type of water treatment technology th...
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Alejandro M. Senn and Natalia Quici
Dissolved inorganic nitrogen (DIN) species are key components of the nitrogen cycle and are the main nitrogen pollutants in groundwater. This study investigated the interconversion and removal of the principal DIN compounds (NO-3
NO
3
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, NO-2
NO
2
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an...
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Yong-Sin Syu and Yung-Chun Lee
This paper proposes a lens design method for effectively collimating the light emitting from a light-emitting diode (LED). This collimating lens contains two aspherical lens surfaces which can be mathematically characterized using a few designing paramet...
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