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

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

Research output: Contribution to journalArticle

47 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-Al2O32O 32 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 languageEnglish
Pages (from-to)9-15
Number of pages7
JournalFuel
Volume83
Issue number1
DOIs
Publication statusPublished - Jan 2004
Externally publishedYes

Fingerprint

Fuel Oils
Fuel oils
Iron oxides
Feedstocks
Lubricants
Recycling
Oils
Catalysts
Aluminum Oxide
Hydrocarbons
Silicon Dioxide
Alumina
Silica
Incineration
Sulfides
Desulfurization
Automotive industry
Impregnation
Gas chromatography
Thermal conductivity

Keywords

  • Desulphurisation
  • Fuel oil
  • Iron oxide
  • Recycling
  • Waste lubricant oil

ASJC Scopus subject areas

  • Organic Chemistry
  • Energy Engineering and Power Technology
  • Fuel Technology

Cite this

Recycling of waste lubricant oil into chemical feedstock or fuel oil over supported iron oxide catalysts. / Bhaskar, Thallada; Uddin, Azhar; Muto, Akinori; Sakata, Yusaku; Omura, Yoji; Kimura, Kenji; Kawakami, Yasuhisa.

In: Fuel, Vol. 83, No. 1, 01.2004, p. 9-15.

Research output: Contribution to journalArticle

Bhaskar, Thallada ; Uddin, Azhar ; Muto, Akinori ; Sakata, Yusaku ; Omura, Yoji ; Kimura, Kenji ; Kawakami, Yasuhisa. / Recycling of waste lubricant oil into chemical feedstock or fuel oil over supported iron oxide catalysts. In: Fuel. 2004 ; Vol. 83, No. 1. pp. 9-15.
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AU - Kimura, Kenji

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