Applied Catalysis A: General, volume 623, pages 118239

Design of highly stable MgO promoted Cu/ZnO catalyst for clean methanol production through selective hydrogenation of CO2

Sachin Sharma ^{1, 2}

Tuhin Suvra Khan ^{1, 2}

Rajib Kumar Singha ²

Bappi Paul ^{3, 4}

Mukesh Kumar Poddar ²

Takehiko Sasaki ⁵

Ankur Bordoloi ²

Chanchal Samanta ⁶

Shelaka Gupta ⁷

Rajaram Bal ^{1, 2}

Hide authors affiliations Show authors affiliations: 7 affiliations

Academy of Scientific and Innovative Research (Acsir), Ghaziabad, 201002, India |

Light Stock Processing Division CSIR-Indian Institute of Petroleum Dehradun 248005 India |

Department of Chemistry National Institute of Technology Nagaland Dimapur, Nagaland 797103 India |

⁴

Light Stock Processing Division, CSIR-Indian Institute of Petroleum, Dehradun, 248005, India |

⁵

Department of Complexity Science and Engineering, Graduate School of Frontier Science, The University of Tokyo, Kashiwanoha, Kashiwa-shi, Chiba, 277-8561, Japan |

⁶

Bharat Petroleum Corporation Ltd., Greater Noida, Uttar Pradesh, 201306, India |

⁷

Department of Chemical Engineering, Indian Institute of Technology Hyderabad, Kandi, 502285, Sangareddy, Telangana, India |

Publication type: Journal Article

Publication date: 2021-08-01

Elsevier

Journal: Applied Catalysis A: General

Quartile SCImago

Quartile WOS

Impact factor: 5.5

ISSN: 0926860X, 18733875

DOI: 10.1016/j.apcata.2021.118239

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Catalysis

Process Chemistry and Technology

Abstract

Copper nanoparticles supported on MgO-ZnO supported catalyst for CO 2 hydrogenation to methanol with high yield with the range at 200−300 °C temperature. • Cu-MgO/ZnO nanoparticles shows higher Cu dispersion due to presence of MgO. • High number of surface-active Cu sites led to maximum CO 2 conversion. • Maximum CO 2 conversion of 8.7 % with 99 % methanol selectivity. • Catalyst is stable over 120 h for CO 2 hydrogenation. The synergistic interaction between small Cu particles and MgO/ZnO-supported catalysts, synthesized by the hydrothermal method, show a very high methanol production rate (0.0063 mol g Cu −1 h −1 ). High Cu dispersion and large Cu surface area in the hydrothermal synthesized Cu/MgO/ZnO catalyst postulated to be the reason for high activity. The formation of defected ZnO crystals with Mg atoms provided a better adsorption site for CO 2 (near Mg atom), whereas Cu-ZnO interface sites are responsible for the activation of CO 2 . 20 wt% loaded MgO catalyst showed preference to selective CO 2 hydrogenation pathway producing clean methanol with > 99 % selectivity. In addition, Density Functional Theory (DFT) studies revealed that the basic nature of the MgO support can be the probable reason for the higher CO 2 adsorption at the Cu-MgO interface compared to the Cu-ZnO interface. Cu 13 /MgO/ZnO (100) surface model is studied to understand the promoting effect of MgO on CO 2 adsorption.

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Sharma S. et al. Design of highly stable MgO promoted Cu/ZnO catalyst for clean methanol production through selective hydrogenation of CO2 // Applied Catalysis A: General. 2021. Vol. 623. p. 118239.

GOST all authors (up to 50) Copy

Sharma S., Khan T. S., Singha R. K., Paul B., Poddar M. K., Sasaki T., Bordoloi A., Samanta C., Gupta S., Bal R. Design of highly stable MgO promoted Cu/ZnO catalyst for clean methanol production through selective hydrogenation of CO2 // Applied Catalysis A: General. 2021. Vol. 623. p. 118239.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1016/j.apcata.2021.118239

UR - https://doi.org/10.1016/j.apcata.2021.118239

TI - Design of highly stable MgO promoted Cu/ZnO catalyst for clean methanol production through selective hydrogenation of CO2

T2 - Applied Catalysis A: General

AU - Sharma, Sachin

AU - Khan, Tuhin Suvra

AU - Singha, Rajib Kumar

AU - Paul, Bappi

AU - Poddar, Mukesh Kumar

AU - Sasaki, Takehiko

AU - Bordoloi, Ankur

AU - Samanta, Chanchal

AU - Gupta, Shelaka

AU - Bal, Rajaram

PY - 2021

DA - 2021/08/01 00:00:00

PB - Elsevier

SP - 118239

VL - 623

SN - 0926-860X

SN - 1873-3875

ER -

BibTex

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BibTex Copy

@article{2021_Sharma,

author = {Sachin Sharma and Tuhin Suvra Khan and Rajib Kumar Singha and Bappi Paul and Mukesh Kumar Poddar and Takehiko Sasaki and Ankur Bordoloi and Chanchal Samanta and Shelaka Gupta and Rajaram Bal},

title = {Design of highly stable MgO promoted Cu/ZnO catalyst for clean methanol production through selective hydrogenation of CO2},

journal = {Applied Catalysis A: General},

year = {2021},

volume = {623},

publisher = {Elsevier},

month = {aug},

url = {https://doi.org/10.1016/j.apcata.2021.118239},

pages = {118239},

doi = {10.1016/j.apcata.2021.118239}

}

Found error?

Publisher

Elsevier

Journal

Applied Catalysis A: General

Quartile SCImago

Quartile WOS

Impact factor

5.5

ISSN

0926860X (Print)
18733875 (Electronic)