scholarly journals Response to Comment on “Dry reforming of methane by stable Ni–Mo nanocatalysts on single-crystalline MgO”

Science ◽  
2020 ◽  
Vol 368 (6492) ◽  
pp. eabb5680
Author(s):  
Youngdong Song ◽  
Ercan Ozdemir ◽  
Sreerangappa Ramesh ◽  
Aldiar Adishev ◽  
Saravanan Subramanian ◽  
...  
Keyword(s):  
Single Crystal ◽  
Dry Reforming ◽  
Dry Reforming Of Methane ◽  
Single Crystalline

Hu and Ruckenstein state that our findings were overclaimed and not new, despite our presentation of evidence for the Nanocatalysts on Single Crystal Edges (NOSCE) mechanism. Their arguments do not take into account fundamental differences between our Ni-Mo/MgO catalyst and their NiO/MgO preparations.

Dry reforming of methane by stable Ni–Mo nanocatalysts on single-crystalline MgO

Science ◽  
2020 ◽  
Vol 367 (6479) ◽  
pp. 777-781 ◽  
Author(s):  
Youngdong Song ◽  
Ercan Ozdemir ◽  
Sreerangappa Ramesh ◽  
Aldiar Adishev ◽  
Saravanan Subramanian ◽  
...  
Keyword(s):  
Large Scale ◽  
Gas Flow ◽  
Carbon Fixation ◽  
High Volume ◽  
Dry Reforming ◽  
Dry Reforming Of Methane ◽  
Single Crystalline ◽  
Mgo Support ◽  
Synchrotron Studies ◽  
Reactive Gas

Large-scale carbon fixation requires high-volume chemicals production from carbon dioxide. Dry reforming of methane could provide an economically feasible route if coke- and sintering-resistant catalysts were developed. Here, we report a molybdenum-doped nickel nanocatalyst that is stabilized at the edges of a single-crystalline magnesium oxide (MgO) support and show quantitative production of synthesis gas from dry reforming of methane. The catalyst runs more than 850 hours of continuous operation under 60 liters per unit mass of catalyst per hour reactive gas flow with no detectable coking. Synchrotron studies also show no sintering and reveal that during activation, 2.9 nanometers as synthesized crystallites move to combine into stable 17-nanometer grains at the edges of MgO crystals above the Tammann temperature. Our findings enable an industrially and economically viable path for carbon reclamation, and the “Nanocatalysts On Single Crystal Edges” technique could lead to stable catalyst designs for many challenging reactions.

scholarly journals Comment on “Dry reforming of methane by stable Ni–Mo nanocatalysts on single-crystalline MgO”

Science ◽  
2020 ◽  
Vol 368 (6492) ◽  
pp. eabb5459 ◽  
Author(s):  
Yun Hang Hu ◽  
Eli Ruckenstein
Keyword(s):  
Solid Solution ◽  
Dry Reforming ◽  
Dry Reforming Of Methane ◽  
Single Crystalline

Song et al. (Reports, 14 February 2020, p. 777) ignore the reported efficient Ni/MgO solid-solution catalysts and overstate the novelty and importance of the Mo-doped Ni/MgO catalysts for the dry reforming of methane. We show that the Ni/MgO solid-solution catalyst that we reported in 1995, which is efficient and stable for the dry reforming, is superior to the Mo-doped Ni/MgO catalyst.

Dry Reforming of Methane over Nanosized Tungsten Carbide Powders Obtained by Mechanochemical and Plasma-Mechanochemical Methods

2019 ◽  
Vol 59 (11) ◽  
pp. 1256-1263
Author(s):  
R. R. Grigoryan ◽  
S. G. Aloyan ◽  
V. R. Harutyunyan ◽  
S. D. Arsentev ◽  
L. A. Tavadyan
Keyword(s):  
Tungsten Carbide ◽  
Dry Reforming ◽  
Dry Reforming Of Methane

Molybdenum and nickel-molybdenum nitride catalysts supported on MgO-Al2O3 for the dry reforming of methane

2021 ◽  
Vol 44 ◽  
pp. 101411
Author(s):  
Nicolas Abdel Karim Aramouni ◽  
Joseph Zeaiter ◽  
Witold Kwapinski ◽  
James J. Leahy ◽  
Mohammad N. Ahmad
Keyword(s):  
Dry Reforming ◽  
Dry Reforming Of Methane ◽  
Molybdenum Nitride

scholarly journals The First Observation of Ni Nanoparticle Exsolution from YSZ and its Application for Dry Reforming of Methane

2021 ◽  
pp. 100021
Author(s):  
Sangwook Joo ◽  
Chaehyun Lim ◽  
Ohhun Kwon ◽  
Linjuan Zhang ◽  
Jing Zhou ◽  
...  
Keyword(s):  
Dry Reforming ◽  
Dry Reforming Of Methane
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