[Terrapreta] The Humphrey Pump Connection?

Kevin Chisholm kchisholm at ca.inter.net
Thu Jun 7 18:48:32 EDT 2007


Dear Jeff

You do have a good point about possible toxicity showing up later.

The simplest way to test for the toxicity of gasifier blackwater on 
plants would be to run some pot tests and observe what happened.

Best wishes,

Kevin

Jeff Davis wrote:
> Dear Kevin,
> 
> 
> Kevin wrote:
>> I used finely sized spruce sawdust as a filter/absorber to partially
>> remove tars from the blackwater used to quench and wash gasifier gas. I
>> saved the blackened sawdust, and it dried over the winter. I noticed a
>> few days ago that 100's of ants were taking it away.
>>
>> I conclude from this that the tars associated with wood gasification are
>> not toxic to "wildlife" as would be coal tar creosote. I further
>> speculate as follows:
> 
> 
> I hope so!
> 
> 
> Allow me to draw one more connection and a “what if”.
> 
> At my workshop I have a bit of a mouse issue so I purchase mouse poison
> (it may be called rat poison) and place it appropriately.
> 
> I have found that the mice, although they may eat some of the poison at
> location, will carry the poison away and store it, apparently for a rainy
> day. This is so for the solid block version and the small agglomerate
> poison.
> 
> 
> Connection:
> I draw a POSSIBLE connection between your ants and my mice.
> 
> 
> What If:
> What if your ants, somewhat like my mice, are attracted to the
> tar/condensates and plan to dine on it at a later date and will succumb to
> poisoning at that time?
> 
> 
> 
> Best wishes,
> 
> 
> 
> Jeff
> 
> 
> 
> 
> 
> 




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