Recycling of waste lubricant oil into chemical feedstock or fuel oil over supported iron oxide catalysts

Thallada Bhaskar; Md Azhar Uddin; Akinori Muto; Yusaku Sakata; Yoji Omura; Kenji Kimura; Yasuhisa Kawakami

doi:10.1016/S0016-2361(03)00216-3

Recycling of waste lubricant oil into chemical feedstock or fuel oil over supported iron oxide catalysts

Thallada Bhaskar, Md Azhar Uddin, Akinori Muto, Yusaku Sakata, Yoji Omura, Kenji Kimura, Yasuhisa Kawakami

Research output: Contribution to journal › Article › peer-review

63 Citations (Scopus)

Abstract

The recycling of waste lubricant oil from automobile industry was found to be best alternative to incineration. Silica (SiO₂), alumina (Al ₂O₃), silica-alumina (SiO₂-Al₂O ₃) supported iron oxide (10 wt% Fe) catalysts were prepared by wet impregnation method and used for the desulphurisation of waste lubricant oil into fuel oil. The extent of sulphur removal increases in the sequence of Fe/SiO₂-Al₂O₃<Fe/Al₂O ₃<Fe/SiO₂ and this might be due to the presence of smaller crystalline size (7.4 nm) of Fe₂O₃ in Fe/SiO ₂ catalyst. X-ray diffraction results suggest the presence of iron sulphide in the used catalyst. Gas chromatography with thermal conductivity detector analysis confirms the presence of H₂S in gaseous products. In addition, Fe/SiO₂ catalyst facilitated the formation of lower hydrocarbons by cracking higher hydrocarbons (≈C₄₀) present in waste lubricant oil.

Original language	English
Pages (from-to)	9-15
Number of pages	7
Journal	Fuel
Volume	83
Issue number	1
DOIs	https://doi.org/10.1016/S0016-2361(03)00216-3
Publication status	Published - Jan 1 2004
Externally published	Yes

Keywords

Desulphurisation
Fuel oil
Iron oxide
Recycling
Waste lubricant oil

ASJC Scopus subject areas

Chemical Engineering(all)
Fuel Technology
Energy Engineering and Power Technology
Organic Chemistry

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10.1016/S0016-2361(03)00216-3

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title = "Recycling of waste lubricant oil into chemical feedstock or fuel oil over supported iron oxide catalysts",

abstract = "The recycling of waste lubricant oil from automobile industry was found to be best alternative to incineration. Silica (SiO2), alumina (Al 2O3), silica-alumina (SiO2-Al2O 3) supported iron oxide (10 wt% Fe) catalysts were prepared by wet impregnation method and used for the desulphurisation of waste lubricant oil into fuel oil. The extent of sulphur removal increases in the sequence of Fe/SiO2-Al2O3<Fe/Al2O 3<Fe/SiO2 and this might be due to the presence of smaller crystalline size (7.4 nm) of Fe2O3 in Fe/SiO 2 catalyst. X-ray diffraction results suggest the presence of iron sulphide in the used catalyst. Gas chromatography with thermal conductivity detector analysis confirms the presence of H2S in gaseous products. In addition, Fe/SiO2 catalyst facilitated the formation of lower hydrocarbons by cracking higher hydrocarbons (≈C40) present in waste lubricant oil.",

keywords = "Desulphurisation, Fuel oil, Iron oxide, Recycling, Waste lubricant oil",

author = "Thallada Bhaskar and Uddin, {Md Azhar} and Akinori Muto and Yusaku Sakata and Yoji Omura and Kenji Kimura and Yasuhisa Kawakami",

year = "2004",

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doi = "10.1016/S0016-2361(03)00216-3",

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T1 - Recycling of waste lubricant oil into chemical feedstock or fuel oil over supported iron oxide catalysts

AU - Bhaskar, Thallada

AU - Uddin, Md Azhar

AU - Muto, Akinori

AU - Sakata, Yusaku

AU - Omura, Yoji

AU - Kimura, Kenji

AU - Kawakami, Yasuhisa

PY - 2004/1/1

Y1 - 2004/1/1

N2 - The recycling of waste lubricant oil from automobile industry was found to be best alternative to incineration. Silica (SiO2), alumina (Al 2O3), silica-alumina (SiO2-Al2O 3) supported iron oxide (10 wt% Fe) catalysts were prepared by wet impregnation method and used for the desulphurisation of waste lubricant oil into fuel oil. The extent of sulphur removal increases in the sequence of Fe/SiO2-Al2O3<Fe/Al2O 3<Fe/SiO2 and this might be due to the presence of smaller crystalline size (7.4 nm) of Fe2O3 in Fe/SiO 2 catalyst. X-ray diffraction results suggest the presence of iron sulphide in the used catalyst. Gas chromatography with thermal conductivity detector analysis confirms the presence of H2S in gaseous products. In addition, Fe/SiO2 catalyst facilitated the formation of lower hydrocarbons by cracking higher hydrocarbons (≈C40) present in waste lubricant oil.

AB - The recycling of waste lubricant oil from automobile industry was found to be best alternative to incineration. Silica (SiO2), alumina (Al 2O3), silica-alumina (SiO2-Al2O 3) supported iron oxide (10 wt% Fe) catalysts were prepared by wet impregnation method and used for the desulphurisation of waste lubricant oil into fuel oil. The extent of sulphur removal increases in the sequence of Fe/SiO2-Al2O3<Fe/Al2O 3<Fe/SiO2 and this might be due to the presence of smaller crystalline size (7.4 nm) of Fe2O3 in Fe/SiO 2 catalyst. X-ray diffraction results suggest the presence of iron sulphide in the used catalyst. Gas chromatography with thermal conductivity detector analysis confirms the presence of H2S in gaseous products. In addition, Fe/SiO2 catalyst facilitated the formation of lower hydrocarbons by cracking higher hydrocarbons (≈C40) present in waste lubricant oil.

KW - Desulphurisation

KW - Fuel oil

KW - Iron oxide

KW - Recycling

KW - Waste lubricant oil

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Recycling of waste lubricant oil into chemical feedstock or fuel oil over supported iron oxide catalysts

Abstract

Keywords

ASJC Scopus subject areas

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