Thermal plasma-sprayed nickel catalysts in the clean-up of biomass gasification gas

Hanne Rönkkönen (Corresponding Author), Kristina Klemkaite, Alexander Khinsky, Arunas Baltusnikas, Pekka Simell, Matti Reinikainen, Outi Krause, Marita Niemelä

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Abstract

Plasma spraying is a potential catalyst preparation method for hot gas clean-up which requires very durable catalytic coatings. In this work, the multi-layer composite coating powders consisted of a gibbsite or boehmite core together with a hydrotalcite coating. We used the coating powders in the preparation of the powder form Ni catalysts, which were characterized by XRD, BET, XPS, and XRF. The coating powders were also used in the preparation of plasma sprayed metal substrate supported Ni catalysts. Selected plasma-sprayed nickel containing catalysts were characterized by XRD and SEM. In addition, for comparative purposes we prepared and used a ceramic monolithic Ni catalyst on modified ZrO2. The performance of all catalysts were studied in the clean-up of synthetic gasification gas, i.e. the decomposition of tar, ammonia, and methane, at 700 and 900 °C, without and with the addition of H2S. Catalysts with a gibbsite-core showed higher activity and better sulfur resistance than those with a boehmite-core. The high activity of the gibbsite-core Ni catalyst with a sulfur-containing gas together with the promising mechanical and thermal strength makes the plasma spraying method an interesting alternative for gas clean-up catalysts in biomass gasification processes.
Original languageEnglish
Pages (from-to)1076-1089
Number of pages14
JournalFuel
Volume90
Issue number3
DOIs
Publication statusPublished - 2011
MoE publication typeA1 Journal article-refereed

Fingerprint

Plasma Gases
Nickel
Gasification
Biomass
Gases
Plasmas
Catalysts
Powder coatings
hydrotalcite
Plasma spraying
Sulfur
Powders
Tars
Hot Temperature
Coatings
Composite coatings
Methane
Tar
Ammonia
X ray photoelectron spectroscopy

Keywords

  • nickel catalyst
  • thermal plasma spraying
  • gasification
  • gas clean-up

Cite this

Rönkkönen, H., Klemkaite, K., Khinsky, A., Baltusnikas, A., Simell, P., Reinikainen, M., ... Niemelä, M. (2011). Thermal plasma-sprayed nickel catalysts in the clean-up of biomass gasification gas. Fuel, 90(3), 1076-1089. https://doi.org/10.1016/j.fuel.2010.11.019
Rönkkönen, Hanne ; Klemkaite, Kristina ; Khinsky, Alexander ; Baltusnikas, Arunas ; Simell, Pekka ; Reinikainen, Matti ; Krause, Outi ; Niemelä, Marita. / Thermal plasma-sprayed nickel catalysts in the clean-up of biomass gasification gas. In: Fuel. 2011 ; Vol. 90, No. 3. pp. 1076-1089.
@article{b4efa0474cb84115ac2f920c37a8b615,
title = "Thermal plasma-sprayed nickel catalysts in the clean-up of biomass gasification gas",
abstract = "Plasma spraying is a potential catalyst preparation method for hot gas clean-up which requires very durable catalytic coatings. In this work, the multi-layer composite coating powders consisted of a gibbsite or boehmite core together with a hydrotalcite coating. We used the coating powders in the preparation of the powder form Ni catalysts, which were characterized by XRD, BET, XPS, and XRF. The coating powders were also used in the preparation of plasma sprayed metal substrate supported Ni catalysts. Selected plasma-sprayed nickel containing catalysts were characterized by XRD and SEM. In addition, for comparative purposes we prepared and used a ceramic monolithic Ni catalyst on modified ZrO2. The performance of all catalysts were studied in the clean-up of synthetic gasification gas, i.e. the decomposition of tar, ammonia, and methane, at 700 and 900 °C, without and with the addition of H2S. Catalysts with a gibbsite-core showed higher activity and better sulfur resistance than those with a boehmite-core. The high activity of the gibbsite-core Ni catalyst with a sulfur-containing gas together with the promising mechanical and thermal strength makes the plasma spraying method an interesting alternative for gas clean-up catalysts in biomass gasification processes.",
keywords = "nickel catalyst, thermal plasma spraying, gasification, gas clean-up",
author = "Hanne R{\"o}nkk{\"o}nen and Kristina Klemkaite and Alexander Khinsky and Arunas Baltusnikas and Pekka Simell and Matti Reinikainen and Outi Krause and Marita Niemel{\"a}",
note = "Project code: 20700",
year = "2011",
doi = "10.1016/j.fuel.2010.11.019",
language = "English",
volume = "90",
pages = "1076--1089",
journal = "Fuel",
issn = "0016-2361",
publisher = "Elsevier",
number = "3",

}

Rönkkönen, H, Klemkaite, K, Khinsky, A, Baltusnikas, A, Simell, P, Reinikainen, M, Krause, O & Niemelä, M 2011, 'Thermal plasma-sprayed nickel catalysts in the clean-up of biomass gasification gas', Fuel, vol. 90, no. 3, pp. 1076-1089. https://doi.org/10.1016/j.fuel.2010.11.019

Thermal plasma-sprayed nickel catalysts in the clean-up of biomass gasification gas. / Rönkkönen, Hanne (Corresponding Author); Klemkaite, Kristina; Khinsky, Alexander; Baltusnikas, Arunas; Simell, Pekka; Reinikainen, Matti; Krause, Outi; Niemelä, Marita.

In: Fuel, Vol. 90, No. 3, 2011, p. 1076-1089.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Thermal plasma-sprayed nickel catalysts in the clean-up of biomass gasification gas

AU - Rönkkönen, Hanne

AU - Klemkaite, Kristina

AU - Khinsky, Alexander

AU - Baltusnikas, Arunas

AU - Simell, Pekka

AU - Reinikainen, Matti

AU - Krause, Outi

AU - Niemelä, Marita

N1 - Project code: 20700

PY - 2011

Y1 - 2011

N2 - Plasma spraying is a potential catalyst preparation method for hot gas clean-up which requires very durable catalytic coatings. In this work, the multi-layer composite coating powders consisted of a gibbsite or boehmite core together with a hydrotalcite coating. We used the coating powders in the preparation of the powder form Ni catalysts, which were characterized by XRD, BET, XPS, and XRF. The coating powders were also used in the preparation of plasma sprayed metal substrate supported Ni catalysts. Selected plasma-sprayed nickel containing catalysts were characterized by XRD and SEM. In addition, for comparative purposes we prepared and used a ceramic monolithic Ni catalyst on modified ZrO2. The performance of all catalysts were studied in the clean-up of synthetic gasification gas, i.e. the decomposition of tar, ammonia, and methane, at 700 and 900 °C, without and with the addition of H2S. Catalysts with a gibbsite-core showed higher activity and better sulfur resistance than those with a boehmite-core. The high activity of the gibbsite-core Ni catalyst with a sulfur-containing gas together with the promising mechanical and thermal strength makes the plasma spraying method an interesting alternative for gas clean-up catalysts in biomass gasification processes.

AB - Plasma spraying is a potential catalyst preparation method for hot gas clean-up which requires very durable catalytic coatings. In this work, the multi-layer composite coating powders consisted of a gibbsite or boehmite core together with a hydrotalcite coating. We used the coating powders in the preparation of the powder form Ni catalysts, which were characterized by XRD, BET, XPS, and XRF. The coating powders were also used in the preparation of plasma sprayed metal substrate supported Ni catalysts. Selected plasma-sprayed nickel containing catalysts were characterized by XRD and SEM. In addition, for comparative purposes we prepared and used a ceramic monolithic Ni catalyst on modified ZrO2. The performance of all catalysts were studied in the clean-up of synthetic gasification gas, i.e. the decomposition of tar, ammonia, and methane, at 700 and 900 °C, without and with the addition of H2S. Catalysts with a gibbsite-core showed higher activity and better sulfur resistance than those with a boehmite-core. The high activity of the gibbsite-core Ni catalyst with a sulfur-containing gas together with the promising mechanical and thermal strength makes the plasma spraying method an interesting alternative for gas clean-up catalysts in biomass gasification processes.

KW - nickel catalyst

KW - thermal plasma spraying

KW - gasification

KW - gas clean-up

U2 - 10.1016/j.fuel.2010.11.019

DO - 10.1016/j.fuel.2010.11.019

M3 - Article

VL - 90

SP - 1076

EP - 1089

JO - Fuel

JF - Fuel

SN - 0016-2361

IS - 3

ER -