GEK Wiki / Catayltic Tar Cracking Methods
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Catayltic Tar Cracking Methods

Page history last edited by jim mason 12 years, 11 months ago





A Review of the Literature on Catalytic Biomass Tar Destruction, D. Dayton.  NREL report 2002






Garret's tar cracking idea.



> On Thu, Aug 6, 2009 at 3:08 PM, garret wrote:

>         I have an interesting question for you .

>         What happens when you dry your wood (possibly like pellets)

>         then spray

>         it with starch

>         and Iron III Oxide and Possibly some Magnesium II Oxide. 5:1

>         ratio by

>         molar weight.


>         Then let it dry again.


>         Garret



On Thu, 2009-08-06 at 15:10 -0700, jim mason wrote:

> not sure.  does it make gold?  or thermite?  or a gigantic pile of

> sparklers?






OK well,

at about 50 to 250 ppm for Fe3o2 works a a fuel catalyst.

It's cheap enough.. bit of steel wool in a bucket of corn starch and mix

it through holds pellets and sawdust together.

25 Grams per 100 Kgs.

thats about 1 steel wood pad per 100 KG of wood.

it can be kept in catalyst form buy a magnet or coil.

currie temp is 580 C or so .. so it's just about perfect for

cracking those tough bits.

I have not tried this yet .. they use it in the FT process

to enhance the Water gas shift.



>         Garret





david's idea


> Activate the SS shavings with Nitric or Phosphoric acids.  The iron is eaten

> away leaving porous nickel/chrome on the surface.  The SS mesh can be

> activated this way also.


> Cleaning is easy, just hit it with a blow torch till red hot.


> David





Comments (1)

Dave S. said

at 4:41 pm on Aug 28, 2009

Catalysis is a great way to go...It can make unsolvable problems solvable. Dolomite and lime aren't exactly expensive, either.
For catalyst cleaning, rather than using a blowtorch, why not hit it using a burner fueled with stored syngas and triggered by the GCU?

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