[USCC] Soybean Oil

[Edo McGowan]

To produce soybean oil, the soybeans are cracked, adjusted for
moisture content, rolled into flakes and solvent-extracted with
commercial hexane. The oil is then refined, blended for different
applications, and sometimes hydrogenated.The question to ask, what part of the process is this waste from and that may give you more info on what's in it?


The major unsaturated fatty acids in soybean oil are triglycerides
and include about 7% C18:3; 51% C-18:2; and 23% C-18:1. It also
contains the saturated fatty acids 4% stearic acid and 10% palmitic
acid.

Soybean oil has a relatively high proportion, 7–10%, of
oxidation prone linolenic acid. The Epoxidized soybean
oil Molecular
formula :
C57H106O10---see below---------, there is no nitrogen here.


Cheers--------------Edo








> From: kpowell at kdheks.gov
> To: compost at mailman.cloudnet.com
> Date: Fri, 3 Apr 2009 08:28:44 -0500
> Subject: [USCC] Soybean Oil
> 
> 
> Good Morning Compost World,
> 
> We have a facility in Kansas that has been approached about taking some waste soybean oil and filter cake with soybean oil.  We know about the spontaneous combustion potential and are working on making sure that it is thoroughly mixed when it arrives to eliminate that problem.  What I cannot find is a C/N ratio for the oil.  Soybean meal has a low C/N ratio but my guess is that the oil has a high C/N ratio.  Any references would be appreciated.
> 
> Thanks,
> 
> Ken Powell
> Environmental Scientist
> Kansas Department of Health & Environment
> 1000 SW Jackson, Suite 320
> Topeka, KS  66618
> Phone  785-296-1121  Fax  785-296-1592
> email  kpowell at kdheks.gov<mailto:kpowell at kdheks.gov>
> web  www.kdheks.gov/waste<http://www.kdheks.gov/waste>
> 
> Please note my new e-mail address is kpowell at kdheks.gov<mailto:kpowell at kdheks.gov>
> 
> 

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