Method of manufacturing alcohol esters from triglycerides...

Details Method of manufacturing alcohol esters from triglycerides... Method of manufacturing alcohol esters from triglycerides...

2008-04-11

2010-06-22

Carr, Deborah D (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Fatty compounds having an acid moiety which contains the...

Reexamination Certificate

active

07741502

ABSTRACT:
A method of manufacturing a composition of alcohol esters of linear monocarboxylic acids with 6 to 26 carbon atoms from a vegetable or animal oil, neutral or acid, virgin or recycled, with monoalcohols having 1 to 18 carbon atoms, in the presence of a phosphate type catalyst or of an organophosphorous compound of a metal selected from the group made up of zirconium, hafnium and titanium, allows to directly produce, in one or more stages, an ester that can be used as fuel and a pure glycerin.

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De Filippis P. et al: “Transesterification Catalyzed by Sodium Phosphates” Energy & Fuels, The Society, Washington, DC, US vol. 19, No. 6, 2005 pp. 2225-2228, XP003010535.
Demirbase et al: “Biodiesel Production From Vegetable Oils Via Catalytic and Non-Catalytic Supercritical Methanol Transesterification Methods” Process in Energy and Combustion Science, Elsevier Science Publishers, Amsterdam, NL vol. 31, No. 5-6, 2005, pp. 466-487, XP005213717.
Kamiya Y “Zirconium Phosphate With a High Surface Area as a Water-Tolerant Solid Acid” Catalysis Letters, vol. 94, No. 1-2, pp. 45-47 XP002456899.

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