GreenYes Archives
[GreenYes Home] - [Thread Index] - [Date Index]
[Date Prev] - [Date Next] - [Thread Prev] - [Thread Next]

Re: [GreenYes] PVC
Muna,
Thank you for the info...
If left to degrade "natural", do you still get
emissions?
What state or temperature does emissions start..
ie can plastics be brought to a liquid form  without
triggering emissions?

Glen

--- Muna Lakhani <muna@iafrica.com> wrote:
> > 
> > Hello, Glen.
> > You wrote:
> > 
> > My question is, does anyone know if there is any
> way
> > to "return" plastic bags to a form that is
> usable/safe
> > for the planet?
> 
> there have been some attempts to do this, with
> limited success -
> recycling is comparatively expensive, as the
> material is bulky for it's
> weight; all processing and re-processing of
> plastics, especially
> flexible plastics, liberate unwelcome emissions,
> such as pthlates; even
> when photo degradable plastics degrade, all they
> make is small bits of
> plastic;
> 
> the most hi-tech process I have encountered is
> "cracking" where
> potentially one breaks down the molecules of the
> plastic, to take it
> back to raw feedstock - there has been some success
> with this, but the
> emissions are, quite frankly, not those we can live
> with....
> 
> IMHO we need to use plastic where appropriate, not
> simply use it because
> it is so easy (at present) to externalise the true
> costs of the
> material...
> 
> Muna
> 
> 
> 
>
*****************************************************
>     To post to the greenyes list, send a letter to:
> greenyes@earthsystems.org
>     To unsubscribe, send a message to:
> greenyes-request@earthsystems.org with the subject
> unsubscribe.  If you have any problems, please
> write to www@earthsystems.org.
>     The GreenYes Listserv depends on reader support.
> Your tax-deductible contribution in any amount can
> be
> made by mail (check) or on the web (credit card) at
> our website: http://www.grrn.org. Just click on the
> "Support GRRN" button.
>     GreenYes is archived at our website. Just click
> on the "GreenYes Listserv" button for directions.
>
******************************************************
> 



__________________________________________________
Do You Yahoo!?
Get personalized email addresses from Yahoo! Mail - only $35 
a year!  http://personal.mail.yahoo.com/






[GreenYes Home] - [Date Index] - [Thread Index]
[Date Prev] - [Date Next] - [Thread Prev] - [Thread Next]