[Stoves] Fwd: Legacy Foundation: User filled in Contact Us form!

mtrevor mtrevor at ntamar.net
Sat May 18 18:31:23 CDT 2013


Perhaps by composting and recycling his own green wastes he would reduce his own need to use more additional nasty stuff. 
Burning and charring might be releasing even meaner stuff. Hopefully over time by reducing the chemical load maybe he get away
from it almost entirely. Just thought.
M trevor 
Marshall Islands
  ----- Original Message ----- 
  From: Kevin 
  To: Discussion of biomass cooking stoves 
  Sent: Saturday, May 18, 2013 5:35 AM
  Subject: Re: [Stoves] Fwd: Legacy Foundation: User filled in Contact Us form!


  Dear Andrew

  ----- Original Message ----- 
  From: "Andrew C. Parker" <acparker at xmission.com>
  To: "Discussion of biomass cooking stoves" <stoves at lists.bioenergylists.org>
  Sent: Friday, May 17, 2013 1:54 PM
  Subject: Re: [Stoves] Fwd: Legacy Foundation: User filled in Contact Us form!


  > Kevin,
  > 
  > The cut flower industry uses prodigious amounts of insecticides,  
  > fungicides, herbicides, etc.  I would imagine that the green waste from  
  > such an operation would not be healthy to feed to cattle or any other  
  > animal.

  # The insecticides, fungicides, and herbicides could very well be the problem.

    I don't know that it would be good to burn it either.  Any ideas  
  > on how to deactivate (inexpensively) these chemicals so that the waste can  
  > be safely utilized for compost, fodder or fuel?

  # Such "pesticides" are often chemicals that contain chlorine. Burning them would produce a smoke containing dioxins. Such pesticides may block the Composting process by killing the compost organisms.

  # What about the possibility of 
  1: Air dry the green waste to about 15% moisture content
  2: Gasify the dried biomass
  3: Cool the gases to about 250 F to 300 F, to allow re-formation of dioxins.
  4: Filter the gasifier gas output through a bed of char, to capture any residual dioxins

  # Output products could be as follows:
  1: A clean and safe fuel gas
  2: Some clean char, suitable for garden use
  3: A Waste Stream of char, contaminated with dioxins that could be treated further for dioxin destruction.

  This would be a costly process, but at least it has the potential to eliminate the Community health hazard.

  Best wishes,

  Kevin


  > 
  > 
  > On Fri, 17 May 2013 09:19:09 -0600, Kevin <kchisholm at ca.inter.net> wrote:
  > 
  >> Dear Richard
  >>
  >> What is in the "green waste" that "causes health problems to society"?
  >>
  > 
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