scholarly journals Effect of Hydrocarbon Structure on Steam Reforming over Ni/perovskite Catalyst

2015 ◽  
Vol 58 (2) ◽  
pp. 86-96 ◽  
Author(s):  
Takuma Higo ◽  
Takashi Hashimoto ◽  
Daiki Mukai ◽  
Satoshi Nagatake ◽  
Shuhei Ogo ◽  
...  
Keyword(s):  
Steam Reforming ◽  
Perovskite Catalyst

Catalytic steam reforming of simulated bio-oil for green hydrogen production using highly active LaNixCo1-xO3 perovskite catalyst

2022 ◽  
Author(s):  
Piyush Pratap Singh ◽  
Neelkanth Nirmalkar ◽  
Tarak Mondal
Keyword(s):  
Hydrogen Production ◽  
Waste Management ◽  
Steam Reforming ◽  
Energy Production ◽  
Sustainable Energy ◽  
Agricultural Waste ◽  
Perovskite Catalyst ◽  
Highly Active ◽  
Bio Oil ◽  
Catalytic Steam Reforming

Catalytic steam reforming (SR) of agricultural waste derived bio-oil for hydrogen production is a unique technology, offering twin benefits of waste management as well as sustainable energy production. In the...

Effect of gold on a NiLaO3 perovskite catalyst for methane steam reforming

2014 ◽  
Vol 144 ◽  
pp. 846-854 ◽  
Author(s):  
S. Palma ◽  
L.F. Bobadilla ◽  
A. Corrales ◽  
S. Ivanova ◽  
F. Romero-Sarria ◽  
...  
Keyword(s):  
Steam Reforming ◽  
Methane Steam Reforming ◽  
Perovskite Catalyst ◽  
Methane Steam

scholarly journals Effect of Hydrocarbon Structure on Steam Reforming over Ni/perovskite Catalyst

2015 ◽  
Vol 58 (3) ◽  
pp. 186-187
Author(s):  
Takuma Higo ◽  
Takashi Hashimoto ◽  
Daiki Mukai ◽  
Satoshi Nagatake ◽  
Shuhei Ogo ◽  
...  
Keyword(s):  
Steam Reforming ◽  
Perovskite Catalyst

Anchoring effect and oxygen redox property of Co/La 0.7 Sr 0.3 AlO 3-δ perovskite catalyst on toluene steam reforming reaction

2017 ◽  
Vol 538 ◽  
pp. 181-189 ◽  
Author(s):  
Kent Takise ◽  
Shota Manabe ◽  
Keisuke Muraguchi ◽  
Takuma Higo ◽  
Shuhei Ogo ◽  
...  
Keyword(s):  
Steam Reforming ◽  
Redox Property ◽  
Perovskite Catalyst ◽  
Anchoring Effect

Pure Hydrogen Production from Steam Reforming of Bio-Sources

2015 ◽  
Vol 2 (2) ◽  
pp. 48-56 ◽  
Author(s):  
A. Iulianelli ◽  
◽  
G. Bagnato ◽  
A. Iulianelli ◽  
A. Vita Vita ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Steam Reforming ◽  
Pure Hydrogen

Ultra-Low Amounts of Palladium (0.005-0.05 Wt% Pd) Supported on Titania: Remarkable Low-Temperature Activity for NO Reduction with CO and Structure-Function Property Relationships in Methane Oxidation

2020 ◽  
Author(s):  
Konstantin Khivantsev ◽  
Libor Kovarik ◽  
Nicholas R. Jaegers ◽  
János Szanyi ◽  
Yong Wang
Keyword(s):  
Nitric Oxide ◽  
Carbon Monoxide ◽  
Methane Oxidation ◽  
Steam Reforming ◽  
Methane Steam Reforming ◽  
Oxide Reduction ◽  
Water Steam ◽  
Methane Steam ◽  
Anatase Titania ◽  
Nitric Oxide Reduction

<p>Atomically dispersed Pd +2 cations with ultra-dilute loading of palladium (0.005-0.05 wt%) were anchored on anatase titania and characterized with FTIR, microscopy and catalytic tests. CO infrared adsorption produces a sharp, narrow mono-carbonyl Pd(II)-CO band at ~2,130 cm<sup>-1</sup> indicating formation of highly uniform and stable Pd+2 ions on anatase titania. The 0.05 wt% Pd/TiO<sub>2</sub> sample was evaluated for methane combustion under dry and wet (industrially relevant) conditions in the presence and absence of carbon monoxide. Notably, we find the isolated palladium atoms respond dynamically upon oxygen concentration modulation (switching-on and switching off). When oxygen is removed from the wet methane stream, palladium ions are reduced to metallic state by methane and catalyze methane steam reforming instead of complete methane oxidation. Re-admission of oxygen restores Pd<sup>+2</sup> cations and switches off methane steam reforming activity. Moreover, 0.05 wt% Pd/TiO<sub>2</sub> is a competent CO oxidation catalyst in the presence of water steam with 90% CO conversion and TOF ~ 4,000 hr<sup>-1</sup> at 260 ⁰C. </p><p>More importantly, we find that diluting 0.05 wt% Pd/titania sample with titania to ultra-low 0.005 wt% palladium loading produces a remarkably active material for nitric oxide reduction with carbon monoxide under industrially relevant conditions with >90% conversion of nitric oxide at 180 ⁰C (~460 ppm NO and 150 L/g*hr flow rate in the presence of >2% water steam) and TOF ~6,000 hr<sup>-1</sup>. Pd thus outperforms state-of-the-art rhodium containing catalysts with (15-20 times higher rhodium loading; rhodium is ~ 3 times more expensive than palladium). Furthermore, palladium catalysts are more selective towards nitrogen and produce significantly less ammonia relative to the more traditional rhodium catalysts due to lower Pd amount nd lower water-gas-shift activity. Our study is the first example of utilizing ultra-low (0.05 wt% and less) noble metal (Pd) amounts to produce heterogeneous catalysts with extraordinary activity for nitric oxide reduction. This opens up a pathway to study other Pd, Pt and Rh containing materials with ultra-low loadings of expensive noble metals dispersed on titania or titania-coated oxides for industrially relevant nitric oxide abatement.</p>

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