[Terrapreta] plastic "char" TP

[jim mason]

On 10/31/07, Edward Someus <edward at terrenum.net> wrote:
>
>     YOUR QUESTION I'm not sure whether the "coke" product in the article
> is analogous to the char from biomass pyrolysis.
>
>  * DEFINITELY  NOT*,  plastic contains heavy metals and due to PVC mix
> input, Halogen contamination remainings can also be counted.
>


well, let's not be hysterical about this.  many plastics have nothing other
than H, C and O in them.  just like biomass.  actually, many are much more
pure in their H, C and O only than biomass.  biomass can have all sorts of
problematic things in it, heavy metals included.  dosage, again, is what
determines the poison, not the whether or not x is on the ingredient list.

staying clear of plastics with chlorine is wise, and noting ones that have
formations that can degrade to problematic HCs is good, but otherwise,
plastics are synthetic biomass, and made of exactly the same stuff.

we can play legos with plastics like we can play legos with biomass.  i'm
just unclear how well the double carbon bond lego backbone of plastics
degrades to useful char and the potential to get it into TP relevant forms.

or maybe we should consider plastic as already sequestered carbon.  it lasts
for about forever . . . ;-)

j





Sincerely yours: Edward Someus (environmental engineer)
> Terra Humana Clean Tech Ltd. (ISO 9001/ISO 14001)
> 3R Environmental Technologies Ltd.
> ADDRESS: H-1222 Budapest, Szechenyi 59, Hungary
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> TEL SKYPE phone via computer:  Edward Someus
> 3R TERRACARBON:   *http://**www.terrenum.net*
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> * *
> * <http://www.vertustechnologies.com/>*
> *-------Original Message-------*
>
>  *From:* Green Waste Recycle Yard <info at GreenWasteRecycleYard.com>
> *Date:* 2007.10.31. 18:28:15
> *To:* terrapreta at bioenergylists.org
> *Subject:* Re: [Terrapreta] plastic "char" TP
>
> Check out the plastic conversion work of Alka Zadgaonkar:
> http://www.goodnewsindia.com/index.php/Magazine/story/alkaZ/
>
> I'm not sure whether the "coke" product in the article is analogous to the
> char from biomass pyrolysis.
>
> Bernie
>
>  ------------------------------
> *From:* terrapreta-bounces at bioenergylists.org [mailto:
> terrapreta-bounces at bioenergylists.org] *On Behalf Of *jim mason
> *Sent:* Tuesday, October 30, 2007 6:34 PM
> *To:* Bernie Lenhoff
> *Subject:* [Terrapreta] plastic "char" TP
>
>
> has anyone done any tests as to whether HC only plastics can be reduced to
> a char with relevant porosity for TP?
>
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>



-- 
--------------------------------------------------------------------------------
jim mason
website: www.whatiamupto.com
current project: mechabolic (http://www.mechabolic.org)
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