Catalytic cracking process for the production of diesel from vegetable oils

The present invention relates to a thermo catalytic process to produce diesel oil from vegetable oils, in refineries which have two or more Catalytic Cracking (FCC) reactors. At least one reactor processes heavy petroleum or residue in conventional operation conditions while at least one reactor pro...

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Main Authors Pinho, Andrea De Rezende, Silva, Mauro, Da Silva Neto, Amilcar Pereira, Cabral, Júlio Amilcar Ramos
Format Patent
LanguageEnglish
Published 02.06.2009
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Abstract The present invention relates to a thermo catalytic process to produce diesel oil from vegetable oils, in refineries which have two or more Catalytic Cracking (FCC) reactors. At least one reactor processes heavy petroleum or residue in conventional operation conditions while at least one reactor processes vegetable oils in proper operation conditions to produce diesel oil. This process employs the same catalyst employed in the FCC process, which processes conventional feedstocks simultaneously. This process transforms high heat content raw materials into fuel hydrocarbons. It may improve efficiency for the obtainment of highly pure products and may not yield glycerin, one by-product of the transesterification process. The diesel oil produced by said process may have superior qualities and/or a cetane number higher than 40. Once cracking conditions occur at lower temperatures, it may form a less oxidized product, which is consequently purer than those obtained by existent technology.
AbstractList The present invention relates to a thermo catalytic process to produce diesel oil from vegetable oils, in refineries which have two or more Catalytic Cracking (FCC) reactors. At least one reactor processes heavy petroleum or residue in conventional operation conditions while at least one reactor processes vegetable oils in proper operation conditions to produce diesel oil. This process employs the same catalyst employed in the FCC process, which processes conventional feedstocks simultaneously. This process transforms high heat content raw materials into fuel hydrocarbons. It may improve efficiency for the obtainment of highly pure products and may not yield glycerin, one by-product of the transesterification process. The diesel oil produced by said process may have superior qualities and/or a cetane number higher than 40. Once cracking conditions occur at lower temperatures, it may form a less oxidized product, which is consequently purer than those obtained by existent technology.
Author Da Silva Neto, Amilcar Pereira
Cabral, Júlio Amilcar Ramos
Pinho, Andrea De Rezende
Silva, Mauro
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References Kawahara et al. (4164506) 19790800
Craig et al. (4992605) 19910200
Hillion et al. (2005/0113588) 20050500
Stern et al. (4695411) 19870900
(WO 03/093400) 20031100
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Jeromin et al. (4698186) 19871000
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Ritter et al. (4390416) 19830600
Lepper et al. (4608202) 19860800
Basu et al. (5525126) 19960600
Goelzer (5009769) 19910400
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