Relevant bibliographies by topics / Hopcalite

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Hopcalite'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 July 2025

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Journal articles on the topic "Hopcalite"

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Zhang, Yunke, Marianna A. Busch, and Kenneth W. Busch. "Pre-Excitation, Catalytic Oxidation of Analytes over Hopcalite in Flame/Furnace Infrared Emission (FIRE) Spectrometry." Applied Spectroscopy 46, no. 4 (1992): 631–39. http://dx.doi.org/10.1366/0003702924125096.

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Gas-phase infrared emission measurements made with the use of a new, specially designed, electrically heated furnace or a small hydrogen/air flame have shown that oxidation of a variety of carbon-based analytes to CO2 over the catalyst hopcalite prior to vibrational excitation in the furnace or flame markedly improves the response of the FIRE radiometer. Calibration curves obtained with the use of the furnace alone were generally nonlinear, while those obtained with the flame alone had slopes that were compound dependent. By the use of hopcalite in conjunction with the furnace, conversion to C
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Biemelt, T., K. Wegner, J. Teichert, and S. Kaskel. "Microemulsion flame pyrolysis for hopcalite nanoparticle synthesis: a new concept for catalyst preparation." Chemical Communications 51, no. 27 (2015): 5872–75. http://dx.doi.org/10.1039/c5cc00481k.

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Dey, Subhashish, Ganesh Chandra Dhal, Devendra Mohan, and Ram Prasad. "Study of Hopcalite (CuMnOx) Catalysts Prepared Through A Novel Route for the Oxidation of Carbon Monoxide at Low Temperature." Bulletin of Chemical Reaction Engineering & Catalysis 12, no. 3 (2017): 393. http://dx.doi.org/10.9767/bcrec.12.3.882.393-407.

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Carbon monoxide (CO) is a poisonous gas, recognized as a silent killer. The gas is produced by incomplete combustion of carbonaceous fuel. Recent studies have shown that hopcalite group is one of the promising catalysts for CO oxidation at low temperature. In this study, hopcalite (CuMnOx) catalysts were prepared by KMnO4 co-precipitation method followed by washing, drying the precipitate at different temperatures (22, 50, 90, 110, and 120 oC) for 12 h in an oven and subsequent calcination at 300 oC in stagnant air, flowing air and in a reactive gas mixture of (4.5% CO in air) to do the reacti
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Kulikov, N. K., S. G. Kireev, A. O. Shevchenko, V. M. Mukhin, S. N. Tkachenko, and T. G. Lupascu. "The Influence of Binding Material on Porous Structure of Shaped Hopcalite." Chemistry Journal of Moldova 3, no. 1 (2008): 67–69. http://dx.doi.org/10.19261/cjm.2008.03(1).11.

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The authors have investigated the equilibrated adsorption of water vapors on GFG hopcalite, which was obtained using the extrusion shaping method, with bentonite clay as the binding compound. In the frames of the BET model, the values of the monolayer capacity and the size of medium area occupied by the water molecule in the filled monolayer have been determined. The distribution of pores according to their sizes has been evaluated. It has been established that the modification of the bentonitic clay allows directed construction of the hopcalite porous structure,i.e. the formation of the mesop
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Kireev, A. S., V. M. Mukhin, S. G. Kireev, V. N. Klushin, and S. N. Tkachenko. "Preparation and properties of modified hopcalite." Russian Journal of Applied Chemistry 82, no. 1 (2009): 169–71. http://dx.doi.org/10.1134/s1070427209010339.

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Jaworska-Galas, Z., W. Mista, J. Wrzyszcz, and M. Zawadzki. "Thermal stability improvement of hopcalite catalyst." Catalysis Letters 24, no. 1-2 (1994): 133–39. http://dx.doi.org/10.1007/bf00807383.

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Sonar, Shilpa, Jean-Marc Giraudon, Savita Kaliya Perumal Veerapandian, et al. "Adsorption Followed by Plasma Assisted Catalytic Conversion of Toluene into CO2 on Hopcalite in an Air Stream." Catalysts 11, no. 7 (2021): 845. http://dx.doi.org/10.3390/catal11070845.

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The abatement of toluene was studied in a sequential adsorption-plasma catalysis (APC) process. Within this process, Hopcalite was used as bifunctional material: as adsorbent (storage stage) and as catalyst via the oxidation of adsorbed toluene (discharge stage). It was observed that the desorption and oxidation activity of the adsorbed toluene was significantly affected the process variables. In addition, the adsorption time influenced the CO2 selectivity and CO2 yield by changing the interaction between the catalyst and the plasma generated species. At least four APC sequences were performed
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Jaworska-Galas, Z., W. Miśta, J. Wrzyszcz, and M. Zawadzki. "Stabilization of hopcalite catalyst in alumina matrix." Reaction Kinetics & Catalysis Letters 48, no. 1 (1992): 163–69. http://dx.doi.org/10.1007/bf02070081.

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M. "Preparation-Properties Relation of Mn-Cu Hopcalite Catalyst." American Journal of Applied Sciences 9, no. 2 (2012): 265–70. http://dx.doi.org/10.3844/ajassp.2012.265.270.

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Wang, Lin Tong. "Oxidation of Copper Zinc Oxide Catalysts by Carbon Monoxide." Advanced Materials Research 332-334 (September 2011): 564–67. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.564.

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Copper zinc oxide catalysts are effective for the ambient temperature carbon monoxide oxidation and display higher specific activity than the current commercial hopcalite catalyst. We investigate the copper zinc oxide catalyst prepared by co-precipitation under different atmospheres for the oxidation of carbon monoxide at low temperatures and these systems are now worthy of further investigation.
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Dissertations / Theses on the topic "Hopcalite"

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Trüe, A., N. Panichev, J. Okonkwo, and PBC Forbes. "Determination of the mercury content of lichens and comparison to atmospheric mercury levels in the South African Highveld Region." Clean Air Journal, 2012. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001242.

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Abstract The concentration of mercury vapour in ambient air is routinely determined using specialised instruments. As an economical alternative, actively pumped Hopcalite sorbent tubes can be used to trap atmospheric mercury, which is subsequently analysed by cold vapour atomic absorption spectroscopy. Plant materials are also readily available in most regions and can be analysed to obtain information on time averaged atmospheric mercury levels. Lichen and tree bark samples were collected in the cities of Pretoria and Witbank, dried and acid digested with subsequent cold vapour atomic absorpti
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Kaskel, Stefan, Tim Biemelt, Karl Wegner, and Johannes Teichert. "Microemulsion flame pyrolysis for hopcalite nanoparticle synthesis: a new concept for catalyst preparation." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-188993.

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A new route to highly active hopcalite catalysts via flame spray pyrolysis of an inverse microemulsion precursor is reported. The nitrate derived nanoparticles are around 15 nm in diameter and show excellent conversion of CO under ambient conditions, outperforming commercial reference hopcalite materials produced by co-precipitation.
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Kaskel, Stefan, Tim Biemelt, Karl Wegner, and Johannes Teichert. "Microemulsion flame pyrolysis for hopcalite nanoparticle synthesis: a new concept for catalyst preparation." Royal Society of Chemistry, 2015. https://tud.qucosa.de/id/qucosa%3A29055.

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A new route to highly active hopcalite catalysts via flame spray pyrolysis of an inverse microemulsion precursor is reported. The nitrate derived nanoparticles are around 15 nm in diameter and show excellent conversion of CO under ambient conditions, outperforming commercial reference hopcalite materials produced by co-precipitation.
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Book chapters on the topic "Hopcalite"

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Guo, Yafei, Chuanwen Zhao, Changhai Li, and Shouxiang Lu. "Low-Temperature CO Catalytic Oxidation over KOH-Hopcalite Mixtures and In Situ CO2 Capture from Fire Smoke." In Fire Science and Technology 2015. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0376-9_74.

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Buciuman, F. C., F. Patcas, and T. Hahn. "Synergy effect between copper and manganese oxides in hopcalite catalysts." In Spillover and Mobility of Species on Solid Surfaces. Elsevier, 2001. http://dx.doi.org/10.1016/s0167-2991(01)80044-6.

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Cardenas, Cristian, and David Farrusseng. "Modelling of water vapor adsorption/desorption on hopcalite in an industrial medical air dryer." In Computer Aided Chemical Engineering. Elsevier, 2023. http://dx.doi.org/10.1016/b978-0-443-15274-0.50081-0.

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Conference papers on the topic "Hopcalite"

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Pasternack, Louise, Jane K. Rice, and Alan D. McCarrick. "Performance Variation in Hopcalite Catalysts." In International Conference On Environmental Systems. SAE International, 1997. http://dx.doi.org/10.4271/972394.

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McCarrick, Alan D., and Stanley A. Jastrzebski. "Models for the Relative Activity of Hopcalite Catalyst Toward Various Organic Species." In International Conference on Environmental Systems. SAE International, 1995. http://dx.doi.org/10.4271/951658.

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Mihajlović, Biljana, Marina Ilić, Tatjana Marković, and Vukica Grković. "Impact of active filler composition modification on the sorption characteristics of filters." In 11th International Scientific Conference on Defensive Technologies - OTEX 2024. Military Technical Institute, Belgrade, 2024. http://dx.doi.org/10.5937/oteh24114m.

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To expand the protection range of filters against industrial chemical agents, with a focus on carbon monoxide, beyond the protection offered by the existing M3 and CBRN filters, a new alternative filter, named CO CBRN ESC Filter, was developed with a modified active filler composition. In accordance with defined requirements and existing equipment, the laboratory testing was conducted to evaluate the effect of the modified active filler composition in the CO CBRN ESC Filter on the sorption characteristics, specifically regarding protection against NBC agents and industrial toxic chemicals. The
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