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Processes of Producing Biodiesel and Biodiesel Produced Therefrom

Inactive Publication Date: 2007-07-05
ARCHER DANIELS MIDLAND CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008] In another embodiment, a process for treating biodiesel comprises reducing the filter blocking tendency of the biodiesel.
[0013] In an additional embodiment, a process for reducing the filter blocking tendency of biodiesel includes placing the biodiesel in contact with a solid or liquid, wherein the solid or liquid comprises a compound capable of reducing the filter blocking tendency of biodiesel.
[0028] In an embodiment, biodiesel is mixed with a solid or liquid capable of improving the cold test results of a biodiesel. In an embodiment, the solid or liquid is mixed with the biodiesel at a first temperature and the solid or liquid is separated from the biodiesel; the biodiesel is adjusted to have a second temperature, and the biodiesel is subjected to a cold test.

Problems solved by technology

These precipitates impair the flow characteristics of biodiesel.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0069] In one embodiment, biodiesel was tested to see if the biodiesel has an acceptable FBT value. Commercially manufactured rapeseed biodiesel that was subjected to a final polishing filtration step through a final sock filter having 1 micron pore size at 14250 kg / hour was obtained. Filter blocking tests were performed on the rapeseed biodiesel using a Normalab Analis (Lintot, France) NBF 240 instrument according to IP 387 (and ASTM Method D 2068, Standard Test Method for Filter Blocking Tendency of Distillate Fuel Oils, ASTM International. The ASTM standards may be obtained from the ASTM website at www.astm.org. The biodiesel flow through the polishing sock filters was unimpeded and the FBT value of the finished biodiesel was 1.02 (maximum pressure reached in filtration of 300 ml biodiesel was 21 kPa).

[0070] In another embodiment, fatty acids recovered from a glycerol-rich heavy phase of biodiesel manufactured by the process of U.S. Pat. No. 5,354,878 (which is hereby incorporat...

example 2

[0071] Commercially manufactured soy biodiesel which had not been subjected to simple final filtration through a polishing filter was obtained. This unfiltered soy biodiesel was subjected to filtration treatments through compounds, wherein the biodiesel was placed in contact with a compound for removing steryl glycosides from the biodiesel. The compounds in this example included granular glucose, granular sugar, diatomaceous earth, and granular clay. A Buchner funnel was fitted with #1 filter paper (3.8 cm diameter, 11.3 cm2 filter area, >11 micron particle retention) and beds of the various solid bed materials (i.e., compounds for removing the steryl glycosides) were prepared. The amount of time required to pass 50, 100, 150 and 200 ml of room temperature biodiesel through the filter was determined (Table 1). Studies were carried out in duplicate.

[0072] Filtration volumes and times for biodiesel passed through compounds. Diatomaceous earth (DE) was FW20 from Eagle Picher, Phoenix,...

example 3

[0074] Magnesium silicate (Magnesol R30, Dallas Group, Whitehouse, N.J.) was tested as a “body feed” for treating biodiesel having a steryl glycoside content of 174 ppm and visible haze. Unfiltered biodiesel (180 g) was slurried at room temperature or at 60° C. with Magnesol R30 (added as “body feed” to the biodiesel) for 10 minutes. The slurry was filtered through Whatman #1 filter paper at room temperature. The steryl glycoside content in biodiesel before and after Magnesol treatment and filtration was measured. The filtered biodiesel was also subjected to a Cold test (AOCS Official Method Cc 11-53) to evaluate the reduction of haziness. A procedure of the cold test is found in “Official Methods and Recommended Practices of the AOCS”, Fifth Edition, Second Printing (2004) American Oil Chemists' Society, Champaign, Ill., which is incorporated herein in its entirety by this reference. For the cold test, 4 oz. clear sample bottles were filled with biodiesel before immersion in an ice...

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Abstract

The present disclosure discloses processes for treating, producing, or producing and treating biodiesel. Products produced with the various processes of the present invention are also disclosed.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application claims the benefit of U.S. Provisional Application No. 60 / 754,979, filed Dec. 29, 2005, and provisional U.S. patent application 60 / 831,575, filed Jul. 17, 2006, each of the contents of the entirety of which are incorporated by this reference. TECHNICAL FIELD [0002] The present disclosure relates generally to biodiesel and processes for producing biodiesel. BACKGROUND [0003] Biodiesel is manufactured from animal or vegetable oils. The preferred feedstock for producing biodiesel in Europe is rapeseed (i.e., canola) oil. In North America, some canola oil is used to produce biodiesel, but soybean oil is also used as a feedstock in producing biodiesel. Biodiesel is used as an additive to petroleum-derived diesel fuel or as a substitute for petroleum-derived diesel fuel in diesel (compression-ignition) engines. Biodiesel usually comprises fatty acid methyl esters (FAME) or fatty acid ethyl esters. [0004] The use of biodiesel ...

Claims

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Application Information

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IPC IPC(8): C10L5/00
CPCC07C67/56C07C67/58C10G2300/1011C10L1/026C11C1/08C11C3/003Y02E50/13C07C69/24C07C69/52Y02E50/10Y02P30/20
Inventor LEE, INMOKMAYFIELD, JERRY L.PFALZGRAF, LISA M.SOLHEIM, LEIFBLOOMER, SCOTT
Owner ARCHER DANIELS MIDLAND CO
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