Catalytic behavior of bimetallic Ni–Fe systems in the decomposition of 1,2-dichloroethane. Effect of iron doping and preparation route

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Catalytic behavior of bimetallic Ni–Fe systems in the decomposition of 1,2-dichloroethane. Effect of iron doping and preparation route. / Bauman, Yuri I.; Kutaev, Nikolay V.; Plyusnin, Pavel E. и др.

в: Reaction Kinetics, Mechanisms and Catalysis, Том 121, № 2, 08.2017, стр. 413-423.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{0e350d3b0200433cb640a25a0e53ac8d,

title = "Catalytic behavior of bimetallic Ni–Fe systems in the decomposition of 1,2-dichloroethane. Effect of iron doping and preparation route",

abstract = "Model bimetallic Ni–Fe catalysts were prepared by coprecipitation from aqueous solutions of nitrates and by mechanical alloying of metal powders. Pure nickel samples subjected to the similar procedures were used as references. The obtained samples were characterized by scanning electron microscopy and X-ray diffraction analysis. Catalytic chemical vapor deposition of 1,2-dichloroethane over the catalysts was studied in a quartz flow reactor equipped with a McBain balance. It was shown that in the case of coprecipitation followed by reduction, Ni–Fe solid solution is formed within the studied range of Fe loading (1–10 wt%). Activation times of 6 min and longer are required to obtain this solid solution by the mechanical alloying method. Despite the known catalytic activity of nickel and iron in hydrocarbon decomposition in accordance with carbide cycle mechanism, iron doping was found to worsen the behavior of nickel in the studied reaction where chlorinated alkane plays a role of substrate to be decomposed. The formation of thermodynamically more stable iron chloride in relation to nickel chloride leads to deactivation of the catalyst and deceleration of the overall process.",

keywords = "1,2-Dichlorethane, Bimetallic Ni–Fe systems, Carbon nanofibers, Decomposition, Metal dusting, ACTIVATION, NANOCRYSTALLINE MGO, Bimetallic Ni-Fe systems, CO, CR, CU, PHASE, HYDRODECHLORINATION, ALLOYS, CARBON EROSION, SUBGROUP METALS",

author = "Bauman, {Yuri I.} and Kutaev, {Nikolay V.} and Plyusnin, {Pavel E.} and Mishakov, {Ilya V.} and Shubin, {Yury V.} and Vedyagin, {Aleksey A.} and Buyanov, {Roman A.}",

note = "Publisher Copyright: {\textcopyright} 2017, Akad{\'e}miai Kiad{\'o}, Budapest, Hungary.",

year = "2017",

month = aug,

doi = "10.1007/s11144-017-1180-4",

language = "English",

volume = "121",

pages = "413--423",

journal = "Reaction Kinetics, Mechanisms and Catalysis",

issn = "1878-5190",

publisher = "Springer Netherlands",

number = "2",

}

RIS

TY - JOUR

T1 - Catalytic behavior of bimetallic Ni–Fe systems in the decomposition of 1,2-dichloroethane. Effect of iron doping and preparation route

AU - Bauman, Yuri I.

AU - Kutaev, Nikolay V.

AU - Plyusnin, Pavel E.

AU - Mishakov, Ilya V.

AU - Shubin, Yury V.

AU - Vedyagin, Aleksey A.

AU - Buyanov, Roman A.

PY - 2017/8

Y1 - 2017/8

N2 - Model bimetallic Ni–Fe catalysts were prepared by coprecipitation from aqueous solutions of nitrates and by mechanical alloying of metal powders. Pure nickel samples subjected to the similar procedures were used as references. The obtained samples were characterized by scanning electron microscopy and X-ray diffraction analysis. Catalytic chemical vapor deposition of 1,2-dichloroethane over the catalysts was studied in a quartz flow reactor equipped with a McBain balance. It was shown that in the case of coprecipitation followed by reduction, Ni–Fe solid solution is formed within the studied range of Fe loading (1–10 wt%). Activation times of 6 min and longer are required to obtain this solid solution by the mechanical alloying method. Despite the known catalytic activity of nickel and iron in hydrocarbon decomposition in accordance with carbide cycle mechanism, iron doping was found to worsen the behavior of nickel in the studied reaction where chlorinated alkane plays a role of substrate to be decomposed. The formation of thermodynamically more stable iron chloride in relation to nickel chloride leads to deactivation of the catalyst and deceleration of the overall process.

AB - Model bimetallic Ni–Fe catalysts were prepared by coprecipitation from aqueous solutions of nitrates and by mechanical alloying of metal powders. Pure nickel samples subjected to the similar procedures were used as references. The obtained samples were characterized by scanning electron microscopy and X-ray diffraction analysis. Catalytic chemical vapor deposition of 1,2-dichloroethane over the catalysts was studied in a quartz flow reactor equipped with a McBain balance. It was shown that in the case of coprecipitation followed by reduction, Ni–Fe solid solution is formed within the studied range of Fe loading (1–10 wt%). Activation times of 6 min and longer are required to obtain this solid solution by the mechanical alloying method. Despite the known catalytic activity of nickel and iron in hydrocarbon decomposition in accordance with carbide cycle mechanism, iron doping was found to worsen the behavior of nickel in the studied reaction where chlorinated alkane plays a role of substrate to be decomposed. The formation of thermodynamically more stable iron chloride in relation to nickel chloride leads to deactivation of the catalyst and deceleration of the overall process.

KW - 1,2-Dichlorethane

KW - Bimetallic Ni–Fe systems

KW - Carbon nanofibers

KW - Decomposition

KW - Metal dusting

KW - ACTIVATION

KW - NANOCRYSTALLINE MGO

KW - Bimetallic Ni-Fe systems

KW - CO

KW - CR

KW - CU

KW - PHASE

KW - HYDRODECHLORINATION

KW - ALLOYS

KW - CARBON EROSION

KW - SUBGROUP METALS

UR - http://www.scopus.com/inward/record.url?scp=85017398392&partnerID=8YFLogxK

U2 - 10.1007/s11144-017-1180-4

DO - 10.1007/s11144-017-1180-4

M3 - Article

AN - SCOPUS:85017398392

VL - 121

SP - 413

EP - 423

JO - Reaction Kinetics, Mechanisms and Catalysis

JF - Reaction Kinetics, Mechanisms and Catalysis

SN - 1878-5190

IS - 2

ER -

ID: 9067730