[Gasification] Dolomite

[Rolf Uhle]

In spanish language this expanded clay is called "Arlita".
Rolf

>             
> -------- Original-Nachricht --------
> Datum: Wed, 12 Dec 2007 18:03:15 -0300 (ART)
> Von: Benjamin Domingo Bof <benjaminbof at yahoo.com.ar>
> An: Discussion of biomass pyrolysis and gasification 
> <gasification at listserv.repp.org>
> Betreff: Re: [Gasification] Dolomite
> 
>             Ken, here in tropics its name is "perlita" . I dont know why 
> some name of iron carbon compound. We are thinking about soaprock because 
> it is very simple to mechanizes. In minas gerias are made many kettles 
> "panela de pedra" for cooking meals in stoves firewood fired "Fogão a 
> lenha".
>   Soaprock or soap stone permits glue with others elements with epoxy or 
> poliesters adhesives. Cilindrical pieces is very simple to make forming 
> labirynths. If it is detachable you can wash filters. Perhaps is the 
> beginning . 
>   We look many kinds of filters but never using stones.
>   I have good remembers from UK  in 1977, where you are?
>   Regards, Benjamin
> 
> Ken Boak <kenboak at stirlingservice.freeserve.co.uk> escribió:
>   List,
> 
> Not exactly Dolomite but for related uses.
> 
> A Swedish friend told me about a kind of lightwight expanded clay marbles 
> that are used as a growing medium for hydroponics.
> 
> Called "Liapor" and also "Hydroton" they are 8 to 16mm in diameter, very 
> porus and can withstand 1200 C.
> 
> It's used as a lightweight aggregate filling materia for thermal 
> insulating 
> concrete, or can be poured between floor joists to insulate floor voids 
> directly
> 
> http://www.liapor.com/
> 
> http://www.planetnatural.com/site/hydroton-grow-media.html
> 
> http://www.hhydro.com/cgi-bin/hhydro/HYDROTON.html
> 
> They are a good heat insulator, thermal regenerator material and also 
> used 
> for rmoving fine particles from the gas stream.
> 
> They could be used as a porus air-preheater as an insulation area around 
> the 
> tuyere zone.
> 
> In the UK it costs about £35 for 100 litres volume ($70 US for 3.5 cu 
> ft)
> 
> 
> Ken
> 
> 
> 
> 
> _______________________________________________
> Gasification mailing list
> Gasification at listserv.repp.org
> http://listserv.repp.org/mailman/listinfo/gasification_listserv.repp.org
> http://gasifiers.bioenergylists.org
> http://info.bioenergylists.org
> 
> 
>        
> ---------------------------------
> 
> Compartí video en la ventana de tus mensajes y también tus fotos de 
> Flickr.
> Usáel Nuevo Yahoo! Messenger versión Beta. 
>  Visitá http://ar.beta.messenger.yahoo.com/
> _______________________________________________
> Gasification mailing list
> Gasification at listserv.repp.org
> http://listserv.repp.org/mailman/listinfo/gasification_listserv.repp.org
> http://gasifiers.bioenergylists.org
> http://info.bioenergylists.org
> 
        
-- 
Psssst! Schon vom neuen GMX MultiMessenger gehört?
Der kann`s mit allen: http://www.gmx.net/de/go/multimessenger