[Terrapreta] [Gasification] Wood as source of mercury emissions?

[Greg and April]

That makes a lot of sense, but it was known where the source of the lead came from - simple uptake by the roots.

OTOH, the linked report, gives no indication of where the mercury is coming from - indeed in the report the source for the mercury is speculative, and most of the wood burnt was bark which could easily be accounted for as nothing more than emissions from another source collecting on the trees.

If such is so, then elimination of the up-wind source of mercury, would reduce / eliminate emissions from the burning of the wood.


Greg H.
  
  ----- Original Message ----- 
  From: LINVENT at aol.com 
  To: gregandapril at earthlink.net ; gasification at listserv.repp.org ; terrapreta at bioenergylists.org 
  Sent: Tuesday, March 11, 2008 20:27
  Subject: Re: [Gasification] Wood as source of mercury emissions?


  A large 12Mwe wood fired stoker combustor, steam power plant in New Hampshire emitted several tons/year of lead as the wood in the area was high in lead due to the basic geochemistry. It was a problem getting the system permitted. Mercury is much more volatile and subject to emission from a standard combustion system, and much less from a well developed gasification system. 



  Sincerely,
  Leland T. Taylor
  Leland T."Tom" Taylor
  President
  Thermogenics Inc.
  7100-F 2nd St. NW Albuquerque, NM 87107
  Phone:505-463-8422 Fax:505-268-9206 (call first)
  Web:thermogenics.com



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