Blar i NTNU Open på forfatter "Da Costa, Patrick"
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Carbon-resistant NiO-Y2O3-nanostructured catalysts derived from double-layered hydroxides for dry reforming of methane
Swirk, Katarzyna; Zhang, Hailong; Li, Shanshan; Chen, Yaoqiang; Rønning, Magnus; Motak, Monika; Grzybek, Teresa; Da Costa, Patrick (Peer reviewed; Journal article, 2021)Yttrium promoted Ni/Mg/Al double-layered hydroxides were prepared through co-precipitation method and calcined at 550 °C for 5 h in order to obtain nanostructured mixed oxides. The catalysts were tested in dry reforming ... -
Ce- and Y-Modified Double-Layered Hydroxides as Catalysts for Dry Reforming of Methane: On the Effect of Yttrium Promotion
Swirk, Katarzyna; Rønning, Magnus; Motak, Monika; Beaunier, Patricia; Da Costa, Patrick; Grzybek, Teresa (Journal article; Peer reviewed, 2019)Ce- and Y-promoted double-layered hydroxides were synthesized and tested in dry reforming of methane (CH4/CO2 = 1/1). The characterization of the catalysts was performed using X-ray fluorescence (XRF), X-ray diffraction ... -
Co-precipitated ni-mg-al hydrotalcite-derived catalyst promoted with vanadium for co<inf>2</inf> methanation
Summa, Paulina; Swirk, Katarzyna; Wierzbicki, Dominik; Motak, Monika; Alxneit, Ivo; Rønning, Magnus; Da Costa, Patrick (Journal article; Peer reviewed, 2021)Co-precipitated Ni-Mg-Al hydrotalcite-derived catalyst promoted with vanadium were synthesized with different V loadings (0–4 wt%) and studied in CO2 methanation. The promotion with V significantly changes textural properties ... -
Dry reforming of methane over Zr- and Y-modified Ni/Mg/Al double-layered hydroxides
Swirk, Katarzyna; Galvez, Maria Elena; Motak, Monika; Grzybek, Teresa; Rønning, Magnus; Da Costa, Patrick (Journal article; Peer reviewed, 2018)Zr- and Y-promoted Ni/Mg/Al double-layered hydroxides were investigated in dry reforming of methane, DRM (10% CH4, CH4/CO2 = 1, GHSV = 20,000 h−1) for the first time. Modification of the double-layered hydroxides with 5 wt% ... -
Effect of cobalt promotion on hydrotalcite-derived nickel catalyst for CO2 methanation
Summa, Paulina; Swirk, Katarzyna; Wang, Ye; Samojeden, Bogdan; Rønning, Magnus; Hu, Changwei; Motak, Monika; Da Costa, Patrick (Peer reviewed; Journal article, 2021)A series of cobalt-promoted Ni-Mg-Al hydrotalcite-derived catalysts were tested towards CO2 methanation reaction. The best among examined catalysts was the one with 1 wt% of cobalt in fresh hydrotalcite, obtaining 77% of ... -
Effect of low loading of yttrium on Ni-based layered double hydroxides in CO2 reforming of CH4
Swirk, Katarzyna; Motak, Monika; Grzybek, Teresa; Rønning, Magnus; Da Costa, Patrick (Journal article; Peer reviewed, 2018)Ni/Al/Mg layered double hydroxides (LDHs) modified with low loading of yttrium (0.2 and 0.4 wt%) were used in dry reforming of methane at 700 °C. Physicochemical characterization, such as: X-ray fluorescence, N2 sorption, ... -
Syngas production from dry methane reforming over yttrium-promoted nickel-KIT-6 catalysts
Swirk, Katarzyna; Galvez, Maria Elena; Motak, Monika; Grzybek, Teresa; Rønning, Magnus; Da Costa, Patrick (Journal article; Peer reviewed, 2018)Dry reforming of methane was studied over Ni,Y-promoted KIT-6 ordered mesoporous silicas, prepared by incipient impregnation (nickel content 12 wt%, yttrium content of 4 wt%, 8 wt% or 12 wt%). The catalysts were characterized ... -
Unraveling catalytic properties by yttrium promotion on mesoporous SBA-16 supported nickel catalysts towards CO2 methanation
Sun, Chao; Swirk, Katarzyna; Wang, Ye; Li, Li; Fabbiani, Marco; Hulea, Vasile; Rønning, Magnus; Hu, Changwei; Da Costa, Patrick (Peer reviewed; Journal article, 2021)The ordered mesoporous silica SBA-16 with high specific surface area and pore volume was synthesized and used to prepare Ni/SBA-16 catalysts promoted with yttrium. These promoted catalysts were tested in CO2 methanation ... -
Yttrium promoted Ni-based double-layered hydroxides for dry methane reforming
Swirk, Katarzyna; Galvez, Maria Elena; Motak, Monika; Grzybek, Teresa; Rønning, Magnus; Da Costa, Patrick (Journal article; Peer reviewed, 2018)Yttrium modified Ni-based double-layered hydroxides were tested as novel catalysts in dry methane reforming. The catalysts were characterized by XRF, BET analysis, XRD, TPR-H2, TPD-CO2, TGA/DSC-MS, H2 chemisorption and ...