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Journal articles on the topic 'Copper chromite catalyst'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Hall, J. B., and J. K. Kouba. "Electron Microscopy of Barium-Promoted Copper Chromite." Proceedings, annual meeting, Electron Microscopy Society of America 43 (August 1985): 390–91. http://dx.doi.org/10.1017/s0424820100118825.

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Copper chromite was reported as an effective catalyst for the hydrogenation of esters to alcohols by Homer Adkins in 1931, and it still remains the catalyst of choice for this reaction. Its most common commercial application is in the hydrogenation of fatty esters to detergent range linear alcohols. Typical reaction conditions are relatively severe: 200-250°C and 2000-4000 psig hydrogen. Barium is often used as a promoter and such a catalyst is prepared by codeposition of barium and copper chromates followed by calcination to the mixed chromite. The catalyst is usually activated by reduction w

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2

Li, Zeng Xin, Guo Ming Wang, and Qiang Liang. "The Comparison of Three Recycling Processes of Copper Chromite Spent Catalysts." Advanced Materials Research 599 (November 2012): 566–69. http://dx.doi.org/10.4028/www.scientific.net/amr.599.566.

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Three technologies of recycling copper chromite spent catalysts from furfuryl production by furfural hydrogenization were developed. After the organic species was removed from the solid waste by vacuum pressure distillation at 130°C, the resultant solid waste catalyst was mixed with soda ash, followed by roasting, leaching and removing silicon in a reverberating furnace to obtain sodium chromate. Dissolving the cupric oxide in soda ash solution to remove chrome and then dissolving it in nitric acid, cupric nitrate can be obtained. A certain proportion of such sodium chromate and cupric nitrate

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3

Widiyarti, Galuh. "Karakterisasi Katalis Cu-Cr /Kieselguhr." REAKTOR 5, no. 1 (2017): 12. http://dx.doi.org/10.14710/reaktor.5.1.12-15.

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Copper-chromite active metal catalyst was prepared by using impregnation method with kieselguhr (Al2O3SiO2) as supporting material. The content of metal active was 20% with 1:1 proportion of complex metal Cu : Cr. The specific surface area of catalyst gave specific surface area of 2,537 m2/ gram. X-ray Diffraction analysis, shown that active metal of Cu-copper Cu and cristobalite SiO2. Temperature program analysis, shown that reduction temperature of catalyst was 300 0Cusing by Scanning Electronic Microscope (SEM), the morphology of catalyst was determined.Keyword : Copper-Chromite catalyst, i

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4

Gulomov, Shuxratqodir, Dilnoza Turdieva, Nurkhon Isaeva, Davronbek Narzullaev, and Kamoliddin Shadmanov. "Catalytic neutralization of gas emissions in the manufacture of pharmaceutical preparations." E3S Web of Conferences 411 (2023): 02024. http://dx.doi.org/10.1051/e3sconf/202341102024.

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Environmental protection in the Republic of Uzbekistan with a developed chemical, petrochemical, metallurgical and pharmaceutical industries is an important problem of our time. To solve it, a domestic copper-chromite catalyst “Chemex-203” was previously developed, which was operated for a long time in an energy-saving reversible reactor RKR- 10 in the process of catalytic neutralization of ventilation emissions of highly toxic styrene, toluene and acetone vapors on the territory of the “Hobos-TAPO” joint venture in Tashkent. This paper is devoted to solving a two-sided environmental problem -

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5

Govender, Alisa, Abdul Mahomed, and Holger Friedrich. "Water: Friend or Foe in Catalytic Hydrogenation? A Case Study Using Copper Catalysts." Catalysts 8, no. 10 (2018): 474. http://dx.doi.org/10.3390/catal8100474.

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Copper oxide supported on alumina and copper chromite were synthesized, characterized, and subsequently tested for their catalytic activity toward the hydrogenation of octanal. Thereafter, the impact of water addition on the conversion and selectivity of the catalysts were investigated. The fresh catalysts were characterized using X-ray diffraction (XRD), BET surface area and pore volume, SEM, TEM, TGA-DSC, ICP, TPR, and TPD. An initial catalytic testing study was carried out using the catalysts to optimize the temperature and the hydrogen-to-aldehyde ratio—which were found to be 160 °C and 2,

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6

Kawamoto, Aparecida M., Luiz Claudio Pardini, and Luis Claudio Rezende. "Synthesis of copper chromite catalyst." Aerospace Science and Technology 8, no. 7 (2004): 591–98. http://dx.doi.org/10.1016/j.ast.2004.06.010.

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7

Ashraf, Ahmed, Ahmed Fahd, Hosam E. Mostafa, E. M. Yossef, and Sherif Elbasuney. "The potentials of copper chromite nanoparticles on ammonium nitrate decomposition: Towards eco-friendly oxidizers for green solid propellants." Journal of Physics: Conference Series 2830, no. 1 (2024): 012013. http://dx.doi.org/10.1088/1742-6596/2830/1/012013.

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Abstract Ammonium perchlorate (AP) is the universal oxidizer for solid propellants; AP combustion is accompanied with the release of white smoke (HCl). HCl has raised an environmental concern; it could cause acidic rain and deteriorate the fertile soil. Chlorine free and eco-friendly oxidizers are highly appreciated for green solid propellants. Ammonium nitrate (AN) could be the greener substitute for AP; yet AN expose low performance. Whereas AP demonstrated exothermic decomposition with the release of -733 J/g; AN demonstrated strong endothermic decomposition process of +1707 J/g. AN with st

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8

Prasad, R. "Highly active copper chromite catalyst produced by thermal decomposition of ammoniac copper oxalate chromate." Materials Letters 59, no. 29-30 (2005): 3945–49. http://dx.doi.org/10.1016/j.matlet.2005.07.041.

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9

Hanic, F., G. Plesch, P. Dolezel, and J. Ovecková. "Study of copper chromite catalysts, III. Structure and catalytic activity of copper chromite catalyst in reductive alkylation reaction." Reaction Kinetics and Catalysis Letters 32, no. 2 (1986): 393–98. http://dx.doi.org/10.1007/bf02068341.

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10

MacIntosh, Kathryn L., and Simon K. Beaumont. "Nickel-Catalysed Vapour-Phase Hydrogenation of Furfural, Insights into Reactivity and Deactivation." Topics in Catalysis 63, no. 15-18 (2020): 1446–62. http://dx.doi.org/10.1007/s11244-020-01341-9.

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AbstractFurfural is a key bioderived platform molecule, and its hydrogenation affords access to a number of important chemical intermediates that can act as “drop-in” replacements to those derived from crude oil or novel alternatives with desirable properties. Here, the vapour phase hydrogenation of furfural to furfuryl alcohol at 180 °C over standard impregnated nickel catalysts is reported and contrasted with the same reaction over copper chromite. Whilst the selectivity to furfuryl alcohol of the unmodified nickel catalysts is much lower than for copper chromite as expected, the activity of

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11

Deng, Kui Lin, Wen Hui Jin, Fu Chen Zhang, et al. "Preparation and Characterization of Dioxanone and Poly(dioxanone)." Advanced Materials Research 711 (June 2013): 22–25. http://dx.doi.org/10.4028/www.scientific.net/amr.711.22.

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In this paper, the ammonium dichromate and copper nitrate were used as raw materials to prepare the copper chromite, and nanocopper chromite as a catalyst was used to synthesize the monomer dioxanone in diethylene glycol dehydrogenation. Under the strict conditions of no water and no oxygen, the stannous octoate was selected to catalyze ring-opening polymerization of the dioxanone to prepare the polydioxanone. And dioxanone and its polymers were characterized with IR spectroscopy,1H NMR spectroscopy, thermogravimetric analysis (TG) and differential scanning calorimetry (DSC ) measurements.

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12

Prasad, R., and Pratichi Singh. "A Review on CO Oxidation Over Copper Chromite Catalyst." Catalysis Reviews 54, no. 2 (2012): 224–79. http://dx.doi.org/10.1080/01614940.2012.648494.

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13

Choudhary, Vasant R., and K. R. Srinivasan. "Kinetics of desorption of hydrogen from copper chromite catalyst." Journal of Chemical Technology and Biotechnology. Chemical Technology 33, no. 5 (2007): 271–80. http://dx.doi.org/10.1002/jctb.504330509.

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14

Deutsch, Keenan L., and Brent H. Shanks. "Hydrodeoxygenation of lignin model compounds over a copper chromite catalyst." Applied Catalysis A: General 447-448 (December 2012): 144–50. http://dx.doi.org/10.1016/j.apcata.2012.09.047.

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15

Pillai, R. B. C. "A study of the preactivation of a copper chromite catalyst." Catalysis Letters 26, no. 3-4 (1994): 365–71. http://dx.doi.org/10.1007/bf00810610.

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16

Laine, Jorge, Joaquin Brito, Francisco Severino, et al. "Surface copper enrichment by reduction of copper chromite catalyst employed for carbon monoxide oxidation." Catalysis Letters 5, no. 1 (1990): 45–54. http://dx.doi.org/10.1007/bf00772092.

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17

Bahranowski, K., E. Bielańska, R. Janik, T. Machej, and E. M. Serwicka. "LDH-derived catalysts for complete oxidation of volatile organic compounds." Clay Minerals 34, no. 1 (1999): 67–77. http://dx.doi.org/10.1180/000985599546082.

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AbstractThe Cu,Cr-, Zn,Cr- and Cu,Al-layered double hydroxides have been synthesized by the coprecipitation method and characterized by elemental analysis, PXRD, SEM/EDS and BET. The mixed oxide materials obtained upon calcination at 873 K show very high catalytic activity for the combustion of toluene and ethanol. The best sample is derived from the Cu,Cr-LDH precursor with a Cu:Cr ratio of 2, composed of copper oxide and copper chromite. This catalyst gave 50% conversion of toluene and ethanol at temperatures of 45 and 15 K lower, respectively, than the reference commercial catalyst. Catalyt

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18

Paulose, Sanoop, Deepthi Thomas, T. Jayalatha, R. Rajeev, and Benny K. George. "TG–MS study on the kinetics and mechanism of thermal decomposition of copper ethylamine chromate, a new precursor for copper chromite catalyst." Journal of Thermal Analysis and Calorimetry 124, no. 2 (2016): 1099–108. http://dx.doi.org/10.1007/s10973-015-5207-7.

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19

Carotenuto, G., R. Tesser, M. Di Serio, and E. Santacesaria. "Kinetic study of ethanol dehydrogenation to ethyl acetate promoted by a copper/copper-chromite based catalyst." Catalysis Today 203 (March 2013): 202–10. http://dx.doi.org/10.1016/j.cattod.2012.02.054.

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20

Novak, Larry, and Eugene Nebesh. "Copper chromite catalyst activity correlation for the hydrogenation of 2-ethyl-3-propylacrolein." Industrial & Engineering Chemistry Research 30, no. 12 (1991): 2514–18. http://dx.doi.org/10.1021/ie00060a002.

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21

Liu, Dongxia, Dmitry Zemlyanov, Tianpin Wu, et al. "Deactivation mechanistic studies of copper chromite catalyst for selective hydrogenation of 2-furfuraldehyde." Journal of Catalysis 299 (March 2013): 336–45. http://dx.doi.org/10.1016/j.jcat.2012.10.026.

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22

Deutsch, Keenan L., and Brent H. Shanks. "Active species of copper chromite catalyst in C–O hydrogenolysis of 5-methylfurfuryl alcohol." Journal of Catalysis 285, no. 1 (2012): 235–41. http://dx.doi.org/10.1016/j.jcat.2011.09.030.

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23

Rajeev, R., K. A. Devi, Annamma Abraham, et al. "Thermal decomposition studies. Part 19. Kinetics and mechanism of thermal decomposition of copper ammonium chromate precursor to copper chromite catalyst and correlation of surface parameters of the catalyst with propellant burning rate." Thermochimica Acta 254 (April 1995): 235–47. http://dx.doi.org/10.1016/0040-6031(94)01961-f.

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24

Sanoop, A. P., R. Rajeev, and Benny K. George. "Synthesis and characterization of a novel copper chromite catalyst for the thermal decomposition of ammonium perchlorate." Thermochimica Acta 606 (April 2015): 34–40. http://dx.doi.org/10.1016/j.tca.2015.03.006.

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25

Bechara, R., A. Aboukais, R. Hubaut, G. Wrobel, A. D’Huysser, and JP Bonnelle. "Hydrogenation on copper chromite catalyst. Role of the cuprous ions in the methanol synthesis from syngas." Journal de Chimie Physique 89 (1992): 853–66. http://dx.doi.org/10.1051/jcp/1992890853.

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26

Pillai, R. B. C. "Synthesis of secondary amines by reductive alkylation using copper chromite catalyst: Steric effect of carbonyl compounds." Journal of Molecular Catalysis 84, no. 1 (1993): 125–29. http://dx.doi.org/10.1016/0304-5102(93)80091-8.

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27

Batool, Kiran, Rubia Shafique, Naseem Akhtar, et al. "Synthesis and characterization of Zinc-Doped Copper Chromites by sol gel method." JOURNAL OF NANOSCOPE (JN) 2, no. 1 (2021): 15–28. http://dx.doi.org/10.52700/jn.v2i1.23.

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Various preparation and application methods of copper chromites catalyst have recently been extensively discussed. According to all discussions, copper chromites is a versatile catalyst that not only catalyses many processes of national programmed and commercial importance, all of which are related to defense and space research, but also finds a lot of application in the most concerned worldwide, such as environmental pollution control. Copper chromites catalysts have many useful applications in the production of drugs, clean energy, and agro chemicals. Different synthesis methods are presente

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28

Viar, Nerea, Ion Agirre, and Inaki Gandarias. "Process design, kinetics, and techno-economic assessment of an integrated liquid phase furfural hydrogenation process." Chemical Engineering Journal 480 (January 15, 2024): 147873. https://doi.org/10.5281/zenodo.10636818.

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The integrated liquid phase process for producing furfuryl alcohol involves three stages: i) liquid–liquid extraction for recovering furfural from the aqueous solution obtained after a conventional steam-stripping hydrolysis reactor, ii) the hydrogenation reaction, and iii) the final purification. The reaction kinetics employed in the modelling are obtained experimentally. 2-methyltetrahydrofuran is the selected green solvent, and it has a high partition coefficient and stability under hydrogenating conditions. A commercial CuZnAl catalyst is used for the first time in the liquid phase f

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29

R., B. C. PILLAI. "Reactions of Benzyl Alcohol over Copper Chrormite." Journal of Indian Chemical Society Vol. 74, Feb 1997 (1997): 169–70. https://doi.org/10.5281/zenodo.5876456.

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Department of Chemistry, University of Malaya, 59100, Kuala Lumpur, Malaysia <em>Manuscript received 27 February 1995, revised 19 July 1995. accepted 27 August 1995</em> Reactions of Benzyl Alcohol over Copper Chrormite.

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30

Zheng, Hong-Yan, Jun Yang, Yu-Lei Zhu, and Gang-Wei Zhao. "Synthesis of g-butyrolactone and 2-methylfuran through the coupling of dehydrogenation and hydrogenation over copper-chromite catalyst." Reaction Kinetics and Catalysis Letters 82, no. 2 (2004): 263–69. http://dx.doi.org/10.1023/b:reac.0000034836.56895.a9.

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31

Karimi-Jaberi, Zahed, Mohammad Sadegh Moaddeli, Moslem Setoodehkhah, and Mohammad Reza Nazarifar. "Nano-copper chromite (nano-CuCr2O4): a novel and efficient catalyst for the synthesis of biscoumarin and pyrano[c]chromene derivatives in water at room temperature." Research on Chemical Intermediates 42, no. 5 (2015): 4641–50. http://dx.doi.org/10.1007/s11164-015-2305-x.

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32

Hosseini, Seyed Ghorban, Zahra Khodadadipoor, Mojtaba Mahyari, and Javad Mohebbi Zinab. "Copper chromite decorated on nitrogen-doped graphene aerogel as an efficient catalyst for thermal decomposition of ammonium perchlorate particles." Journal of Thermal Analysis and Calorimetry 138, no. 2 (2019): 963–72. http://dx.doi.org/10.1007/s10973-019-08266-w.

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33

Hubaut, R. "Study of the competitive reactions between an α-β-unsaturated aldehyde and allylic alcohol on a copper chromite catalyst". Reaction Kinetics & Catalysis Letters 46, № 1 (1992): 25–32. http://dx.doi.org/10.1007/bf02096673.

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34

Zazhigalov, Sergey, Andrey Elyshev, Sergey Lopatin, et al. "Copper-chromite glass fiber catalyst and its performance in the test reaction of deep oxidation of toluene in air." Reaction Kinetics, Mechanisms and Catalysis 120, no. 1 (2016): 247–60. http://dx.doi.org/10.1007/s11144-016-1089-3.

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35

Safaei-Ghomi, Javad, Bahareh Khojastehbakht-Koopaei, and Safura Zahedi. "Copper chromite nanoparticles as an efficient and recyclable catalyst for facile synthesis of 4,4'-(arylmethanediyl)bis(3-methyl-1H-pyrazol-5-ol) derivatives." Chemistry of Heterocyclic Compounds 51, no. 1 (2015): 34–38. http://dx.doi.org/10.1007/s10593-015-1656-y.

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36

Safaei-Ghomi, Javad, Bahareh Khojastehbakht-Koopaei, and Safura Zahedi. "ChemInform Abstract: Copper Chromite Nanoparticles as an Efficient and Recyclable Catalyst for Facile Synthesis of 4,4′-(Arylmethanediyl)bis(3-methyl-1H-pyrazol-5-ol) Derivatives." ChemInform 46, no. 35 (2015): no. http://dx.doi.org/10.1002/chin.201535137.

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37

Acharyya, Shankha S., Shilpi Ghosh, and Rajaram Bal. "Fabrication of Three-Dimensional (3D) Raspberry-Like Copper Chromite Spinel Catalyst in a Facile Hydrothermal Route and Its Activity in Selective Hydroxylation of Benzene to Phenol." ACS Applied Materials & Interfaces 6, no. 16 (2014): 14451–59. http://dx.doi.org/10.1021/am503722t.

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38

Reactions of allylic alcohols, V., R. Hubaut, M. Daage, and J. P. Bonnelle. "Selective hydrogenation on copper chromite catalysts." Applied Catalysis 22, no. 2 (1986): 243–55. http://dx.doi.org/10.1016/s0166-9834(00)82633-0.

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39

Jagadeesan, S., V. Prathipa, C. Ragupathi, et al. "Liquid phase selective oxidation of veratryl alcohol to veratraldehyde using pure and Mg-doped copper chromite catalysts." RSC Advances 14, no. 25 (2024): 18093–102. http://dx.doi.org/10.1039/d4ra00846d.

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40

Ismael, Shukri, A. Deif, Ahmed Maraden, and Sherif Elbasuney. "Facile Synthesis and Catalytic Activity Assessment of Copper Chromite Nanoparticles for Ammonium Perchlorate Decomposition." Journal of Physics: Conference Series 2305, no. 1 (2022): 012013. http://dx.doi.org/10.1088/1742-6596/2305/1/012013.

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Abstract The universal burning rate modifier used in composite solid propellants is copper chromite. The fabrication of copper chromite nanoparticles (CCNs) is highly appreciated; as superior performance could be accomplished. This research looks at how copper chromite nanoparticles can be made in a sustainable way using hydrothermal processing. Mono-dispersed particles with a medium particle size of 12 nm were seen in TEM micrographs. The XRD diffractogram revealed a crystalline structure. The co-precipitation approach was used to incorporate CCNs into ammonium perchlorate (AP). Differential

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41

Sankhe, Sharad, and Prashant Kamble. "A Click-Chemistry Approach to New, Potentially Substituted Chemical Structure, Synthesis, And In Vitro Antimicrobial, Cytotoxic, And Antifungal Activity of Novel Chromene Derivatives." International Journal of Membrane Science and Technology 10, no. 5 (2023): 930–42. http://dx.doi.org/10.15379/ijmst.v10i5.3632.

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A group of chromene derivatives, labeled as 4a-c, were produced by a three-step process using sodium carbonate as a catalyst. The experiment used a solvent mixture consisting of 96% ethanol and water, with a volume ratio of 1:5. A successful reaction between the corresponding hydroxyl chromenes derivatives and propargyl bromide resulted in the propargyl ether compounds 5a-c, which are derived from chromene-3-carbonitriles. 4H-chromene-chlorophenyl conjugates 7a-c were produced by 1H-1,2,3-triazole-tethered click chemistry with propargyl ethers 5a-c and 1-azido-2-chlorobenzene. Copper ions were

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42

Ramanathan, Devenderan, Kayambu Namitharan, and Kasi Pitchumani. "Copper(i)–Y zeolite catalyzed N-sulfonylketenimine mediated annulation of hydroxynaphthoquinones: syntheses of naphtho[2,1-b]furan-2,5-diones and benzo[de]chromene-2,6-diones." Chemical Communications 52, no. 54 (2016): 8436–39. http://dx.doi.org/10.1039/c6cc03571j.

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43

Rao, R., A. Dandekar, R. T. K. Baker, and M. A. Vannice. "Properties of Copper Chromite Catalysts in Hydrogenation Reactions." Journal of Catalysis 171, no. 2 (1997): 406–19. http://dx.doi.org/10.1006/jcat.1997.1832.

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44

Bianchi, C. L., M. G. Cattania, and V. Ragaini. "XPS study on barium-promoted copper chromite catalysts." Surface and Interface Analysis 19, no. 1-12 (1992): 533–36. http://dx.doi.org/10.1002/sia.740190199.

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45

Murthy, K. S. R. C., and J. Ghose. "CO Oxidation on Substituted Copper Chromite Spinel Oxide Catalysts." Journal of Catalysis 147, no. 1 (1994): 171–76. http://dx.doi.org/10.1006/jcat.1994.1127.

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46

CASTIGLIONI, G., A. VACCARI, G. FIERRO, et al. "Structure and reactivity of copper-zinc-cadmium chromite catalysts." Applied Catalysis A: General 123, no. 1 (1995): 123–44. http://dx.doi.org/10.1016/0926-860x(94)00237-1.

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47

Santacesaria, E., G. Carotenuto, R. Tesser, and M. Di Serio. "Ethanol dehydrogenation to ethyl acetate by using copper and copper chromite catalysts." Chemical Engineering Journal 179 (January 2012): 209–20. http://dx.doi.org/10.1016/j.cej.2011.10.043.

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48

Bilov, V. V., V. I. Markov, and V. V. Shipilo. "Hydroamination of n-butanol on Cu-containing anion-modified catalysts." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 1 (March 2023): 50–55. http://dx.doi.org/10.32434/0321-4095-2023-146-1-50-55.

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The purpose of the work is to establish the relationship between the composition of new Cu-containing anion-modified compositions and their catalytic potential in the synthesis of dibutylamine, which is an important intermediate for the production of such significant products as medicines, insecticides, vulcanization accelerators for rubber compounds, multifunctional corrosion inhibitors, etc. Composite materials were prepared by thermal decomposition of a copper-ammonia-carbonate solution in the presence of chromate, molybdate, aluminum tungstate, aluminum metahydroxide, and lanthanum carbona

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49

Pennetta, Antonio, Sabrina Di Masi, Federica Piras, et al. "TiO2@lipophilic Porphyrin Composites: New Insights into Tuning the Photoreduction of Cr(VI) to Cr(III) in Aqueous Phase." Journal of Composites Science 4, no. 2 (2020): 82. http://dx.doi.org/10.3390/jcs4020082.

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Metal-free and Cu(II)-lipophilic porphyrins [H2Pp and Cu(II)Pp] loaded on titanium dioxide in the anatase phase (TiO2) were prepared and used as a heterogeneous catalyst for the photoreduction of Cr(VI) to Cr(III) in aqueous suspensions under UV–Vis light irradiation. TiO2 impregnated with copper(II) porphyrin [TiO2@Cu(II)Pp] was the most effective in photocatalyst reduction of toxic chromate Cr(VI) to non-toxic chromium Cr(III). We further evaluated an experimental design with the scope of fast optimization of the process conditions related to the use of TiO2 or TiO2-porphyrin based photocata

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50

Madhavi Latha, B., V. Sadasivam, and B. Sivasankar. "A highly selective synthesis of pyrazine from ethylenediamine on copper oxide/copper chromite catalysts." Catalysis Communications 8, no. 7 (2007): 1070–73. http://dx.doi.org/10.1016/j.catcom.2006.06.007.

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