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blacklocist
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Wow this is amazing if it's just wood shavings. Can't wait to see what this discussion turns up. Smile
 
Registered: 04 July 2008Reply With QuoteEdit or Delete MessageReport This Post
Bright Young Maverick
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In another thread on drywashing, we had discussed using shredded paper/newspaper as a cellulose source, but some were concerned about what might be in the BD after it passed through the paper (inks, other chemicals, etc.).

So I now wonder....what might be coming out of the wood shavings (dissolved by the BD as it passes through)?

Sap? Sugars? Resins? Small bits of druid? Unfriendly thoughts??

Any one concerned? Jehu, what do you think -- paper vs. shavings for dissolved baddies?
 
Location: Kansas | Registered: 30 March 2003Reply With QuoteEdit or Delete MessageReport This Post
fabricator
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I wouldnt think anything bad would come from hardwoods like oak, possibly trace amounts of tannic acid, of course this kind of filtering would have to be followed by fine filtering.
 
Location: West Michigan | Registered: 26 April 2006Reply With QuoteEdit or Delete MessageReport This Post
holeshotkid
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I for one am not that concerned about the shavings contaminating the bd. Newspaper, yes, because of the ink. The fuel filter is cellulose based.....
 
Location: Kansas | Registered: 22 April 2008Reply With QuoteEdit or Delete MessageReport This Post
Bright Young Maverick
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Fabricator - What about pine/fir as mentioned several posts ago?

holeshotkid -- I agree about the ink, but was thinking about sappy woods like pine/fir
 
Location: Kansas | Registered: 30 March 2003Reply With QuoteEdit or Delete MessageReport This Post
holeshotkid
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In my opinion, kiln dried hardwood is the best choice. Then again, I know very little about this. I know my wood chip tower removes alot of soap prior to my water wash.
 
Location: Kansas | Registered: 22 April 2008Reply With QuoteEdit or Delete MessageReport This Post
fabricator
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Seems like pine/fir might add some saps or pitch but after all pitch is where turpentine used to come from and lots of blenders use stuff like turpentine.
 
Location: West Michigan | Registered: 26 April 2006Reply With QuoteEdit or Delete MessageReport This Post
Jehu
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The trouble with paper is what chemicals might be in it from the milling process. Theres a paper mill a few miles from me - I might get an opportunity to ask some of the staff some questions about paper types.

Softwood like fir and pine contains resin which not only makes the wood less absorbent but could be very bad news if it finds its way into BD.

I agree, this is all very interesting.
 
Location: Scotland | Registered: 19 March 2006Reply With QuoteEdit or Delete MessageReport This Post
Cameron3coopbrewer
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I just had an interesting thought. do you all think the the little white balls in the ecopure could be "dry ease" the air drying stuf that you use for boats campers...
 
Registered: 25 May 2008Reply With QuoteEdit or Delete MessageReport This Post
fabricator
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I have never heard of it, why is it used to dry air in campers and boats?
 
Location: West Michigan | Registered: 26 April 2006Reply With QuoteEdit or Delete MessageReport This Post
Cameron3coopbrewer
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It is used to dry the air anywhere. Generally used in damp locations to pull the moisture out of the air. Google it. It might be the majic little white balls in the ecopure.
 
Registered: 25 May 2008Reply With QuoteEdit or Delete MessageReport This Post
Jim D
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http://www.damprid.dsiwebbuilder.com/index.asp?cat=40019

Looks like it is 80% Calcium Chloride

http://www.damprid.com/downloads/2007MSDSCalcium.pdf

-Jim
 
Location: Middle Tennessee, Jack Daniel's country | Registered: 10 August 2005Reply With QuoteEdit or Delete MessageReport This Post
Eurocab
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I agree that pine/fir shavings could add something to the biodiesel that would not be desirable. If you ever played baseball as a kid, do you remember the resin bags? I wouldn't want that crap in my diesel engine.

I think that the trials should be focused on hardwoods. I have used maple with good results and lyptus with better results. I can't wait (but I have to) to try some oak out. The tannic acid is very appealing.
 
Location: Chambodia | Registered: 31 December 2007Reply With QuoteEdit or Delete MessageReport This Post
Knotwild
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One question that is important to me is residence time. If it is as slow as they recommend for Amberlite, it will tie up too much of my time.
 
Registered: 26 February 2008Reply With QuoteEdit or Delete MessageReport This Post
Ant
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quote:
Small bits of druid?


That would be dryad lol.


mathematical elegance -- desired result achieved with minimal complication
 
Location: Manchester UK | Registered: 03 June 2003Reply With QuoteEdit or Delete MessageReport This Post
Double D
member
2009 Sponsor
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quote:
Originally posted by Double D:
OK guys,
Just last night I put together a 3ft long x 3" diameter pvc column and filled it with planer shavings from the wood shop next door. I had some marginally washed bio sitting in the dry tank so I figured I'd give it a go. I pumped the bio using a submersible fountain pump into the column (upflow) and low and behold out came much clearer bio obviously with soap and maybe water significantly removed. I took some samples of bio scooped out of the tank before going through the column and a sample after five minutes through the column. I'll take some pictures and post them soon. The flow coming out was just a trickle (500ml in maybe 45 sec.)so I assumed the shavings had swelled in the tube restricting the flow. I removed one cap and removed about three inches of the depth of shavings, replaced the cap and saw an immediate cloudyness in the bio in coming out. After running for a good 30 minutes it wasn't getting any clearer. Refilled the column and semi-packed the shavings back in. Started the pump and out came clear bio again. That was all for last night, maybe this weekend I'll get to play a little more. Looks promising though
-Dave-


Here is a before and after pic. The sample on the left is at the end of the run of 35 gallons.
The sample on the right is before going into the column.

Image100_1037.JPG (40 KB, 207 downloads)
 
Location: central virginia | Registered: 13 March 2008Reply With QuoteEdit or Delete MessageReport This Post
Double D
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Another pic before going through.

Image100_1038.JPG (38 KB, 156 downloads)
 
Location: central virginia | Registered: 13 March 2008Reply With QuoteEdit or Delete MessageReport This Post
Double D
member
2009 Sponsor
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One more picture, this is the sample after coming out of the column again.

Image100_1039.JPG (40 KB, 178 downloads)
 
Location: central virginia | Registered: 13 March 2008Reply With QuoteEdit or Delete MessageReport This Post
Ant
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certainly looks clearer.

Do you do soap tests?


mathematical elegance -- desired result achieved with minimal complication
 
Location: Manchester UK | Registered: 03 June 2003Reply With QuoteEdit or Delete MessageReport This Post
Eurocab
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I can't really see much in the pictures. I think you need a better back drop or maybe some light.
 
Location: Chambodia | Registered: 31 December 2007Reply With QuoteEdit or Delete MessageReport This Post
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