[Gasification] Gasification Digest, Vol 12, Issue 4

Pannirselvam P.V pannirbr at gmail.com
Tue Aug 9 12:41:59 CDT 2011


 Hi wayne

      As all the  hardware  are low investments  , the only important part
is humanware  , some pliots  study , workshop  so that GEK and eco motor
people can promote in several places .

  There is an urgent need to have  simutaneous Engineering Expert group this
work  use google plus online realtime collaborative learning using  you tube
videos  , make possible  by comned plan , design, construct , operate  and
 optimize participating  all the fases

    This list has  human experts  to make this posible
yours truely
Pannirselvam



On Tue, Aug 9, 2011 at 2:12 PM, Wayne hipkin <whipkin at gmail.com> wrote:

> Recent two piston ecomotors ?are under
> > fast developments which combined with GEK gasifier , operating like
> viking
> > well proven can make possible as practical ?small energy genertion with
> low
> > investments  HI Can I study this more indepth The two piston ecomoters??
>  Thanks guys Wayne
>
> On Mon, Aug 8, 2011 at 8:04 AM,
> <gasification-request at lists.bioenergylists.org> wrote:
> > Send Gasification mailing list submissions to
> >        gasification at lists.bioenergylists.org
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >
> http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org
> >
> > or, via email, send a message with subject or body 'help' to
> >        gasification-request at lists.bioenergylists.org
> >
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> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Gasification digest..."
> >
> >
> > Today's Topics:
> >
> >   1. effect of steam on tar and soot production during pyrolysis?
> >      (jim mason)
> >   2. Re: effect of steam on tar and soot production    during
> >      pyrolysis? (Greg Manning)
> >   3. Re: effect of steam on tar and soot production    during
> >      pyrolysis? (Pannirselvam  P.V)
> >   4. Re: effect of steam on tar and soot production    during
> >      pyrolysis? (Greg Manning)
> >   5. Sheet metal design and prototyping (Thomas Reed)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Sun, 7 Aug 2011 19:05:15 -0700
> > From: jim mason <jim at allpowerlabs.org>
> > To: gasification at bioenergylists.org
> > Subject: [Gasification] effect of steam on tar and soot production
> >        during  pyrolysis?
> > Message-ID:
> >        <CAB5Uy2z8D2YEkXQdQZ=
> q9Us9genNizYz4_4Uj2_-m8AS-Hi1nA at mail.gmail.com>
> > Content-Type: text/plain; charset=ISO-8859-1
> >
> > on the road to reducing problems in the reactor so there are less
> > issues to deal with in filtering, here's a new question.
> >
> > does anyone know where to look for experimental results on the impacts
> > of increased steam in pyrolysis environments?   my hunch is that
> > increased steam will lessen the production of PAHs and general double
> > carbon bonded refractory tars.  we know we can do this by reducing
> > pyrolysis temp and slowing the ramp rate, but will steam also help
> > with this?
> >
> > the literature shows a marked decrease in soot production in
> > combustion environments where there is high steam.  steam apparently
> > interrupts the agglomeration on the PAH nucleus.  thus to the degree
> > we can maintain adequate temps, steam is helping us with soot
> > reduction.
> >
> > but what about during pyrolysis?  does it reduce PAH production?  do
> > it have other marked effects on the type of tars make?  in general,
> > are there wins to be had with steam in pyrolysis that make things
> > meaningfully easier to deal with downstream?
> >
> > i'm about at the end of what i can do on temp control during
> > pyrolysis.  i'm hoping there is another route to engage to continue
> > improving the outputs of the pyrolysis stage.
> >
> > j
> >
> >
> >
> >
> >
> > --
> >
> ------------------------------------------------------------------------------
> > Jim Mason
> > Website: http://www.whatiamupto.com
> > Current Projects:
> > ?? - Gasifier Experimenters Kit (the GEK): http://www.gekgasifier.com
> > ?? - Escape from Berkeley alt fuels vehicle race:
> www.escapefromberkeley.com
> > ?? - ALL Power Labs on Twitter: http://twitter.com/allpowerlabs
> > ?? - Shipyard Announce list:
> > http://lists.spaceship.com/listinfo.cgi/icp-spaceship.com
> >
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Sun, 7 Aug 2011 21:46:17 -0500
> > From: Greg Manning <a31ford at gmail.com>
> > To: Discussion of biomass pyrolysis and gasification
> >        <gasification at lists.bioenergylists.org>
> > Subject: Re: [Gasification] effect of steam on tar and soot production
> >        during pyrolysis?
> > Message-ID:
> >        <
> CAH4eSNqZWF0pRcSiaC8rf75BafSYgQaCc6DCSN9KrSOSxMzHSA at mail.gmail.com>
> > Content-Type: text/plain; charset=ISO-8859-1
> >
> > Greetings List.
> >
> > Jim,
> >
> >  There are many ways to improve all "sections" (used loosely) within a
> > downdraft gasifier,  however IMO, steam in biomass is NOT one of them,
> > Coal on the otherhand is the opposite.
> >
> > Attempting to control the reaction temperature should only be done
> > within the design of the gasifier, for it's intended feedstock, any
> > other methods, simply put..... fail.
> >
> > Design is paramount, get it right in the first place (aliken to the
> > foundation of a house) once the design is right, everything else runs
> > correct (level plumb and true).
> >
> > Greg Manning
> >
> >
> >
> >
> > On Sun, Aug 7, 2011 at 9:05 PM, jim mason <jim at allpowerlabs.org> wrote:
> >> on the road to reducing problems in the reactor so there are less
> >
> > <snip>
> >
> >
> >
> > ------------------------------
> >
> > Message: 3
> > Date: Mon, 8 Aug 2011 00:35:08 -0300
> > From: "Pannirselvam  P.V" <pannirbr at gmail.com>
> > To: Discussion of biomass pyrolysis and gasification
> >        <gasification at lists.bioenergylists.org>
> > Cc: Mark Nickelo Blanco <mark.nickelo.blanco at gmail.com>,        Rajesh
> sk
> >        <rajeshsk76 at gmail.com>
> > Subject: Re: [Gasification] effect of steam on tar and soot production
> >        during pyrolysis?
> > Message-ID:
> >        <
> CADw81mdUkx93Zg9yLf88YDrDPdJDfSB9B0jdD05u0BkwQznOGw at mail.gmail.com>
> > Content-Type: text/plain; charset="windows-1252"
> >
> >  Dear Jim
> >
> >   Both the pyrolyis and steam gasification  depends mostly  on the
> > temperture
> > the  temperture higher than  1000 C , can   accelerate  more the  water
> gas
> >  shift reaction thus  into more   hydrogen and co2 , and alos the  co2
> >  decomposition  leading to more C0 ,shifting  the equilibrium leading to
> the
> > gas with  less co2 . Thus  steam reforming into hydogen rich syn gas is
> > favoured along with methan formation, less soot , tar production needing
> > less , air , thus less n2 in the the gas output
> >
> >  in this case of high temperture , pyrolyis is not limiting factor , but
> > steam reforming  is critical.
> >
> > Low  temperature  pyrolysis can lead to tar, char fines PAH, thus optium
> ,
> > not only the steam ,but also the the biomass:Air :steam  are important
> > parameters.
> >
> >  One of our  research group  project collaborator  Dr.Rajessh  has done ,
> > not experimental  study , but modeling simulation and optimization of
>  these
> > varibables as  the Phd thesis .His email .is rajesh76 at gmail.com.he also
> has
> > more than international publications , he is presenetly working Pos
> doctrate
> > research  regarding several  vital question you have  made here .
> >
> >  Even for us  who make model  , the role of steam in pyrolysis is not
>  very
> > clear.The steam , it products , c02  , can bring down very  rapidly the
> > pyrolysis temperature , then there is problem of maintain steady
> > temperatures .
> >
> >    In this respect , the two satge  Denmak  Viking  gasifier  has two
> stges
> > :pyrolysis , steam gasification pliot plant are  very  well demonstrated
>  ,
> > in which the engine exhaust are used to maintain the tempertaure  in
> > pyrlolysis as in GEK , the hot air and steam are recoverd from gasifier.
> > Surley there are  experimental  published work  is available
> > http://www.bgg.mek.dtu.dk/Publications.aspxot
> >
> > Not only steam air  ratio, but  how  this can be used are important
> points ,
> > realy  we do not have  answer.
> >
> > if you wish to use  steam in pyrolysis , this need to be the superheated
> one
> > , as superheated  steam is well proved to be  good for combustion , this
> can
> > help cracking  Carbon carbon bonds, tars etc.
> >
> > Experimental results  are lacking but you can serach several
> patents,where
> > you  can surely find the correct answer.
> >
> > Opensource google , several sites make possible very quick search  abou
> the
> > same
> >
> >
> >  GeK gasifier design is ok , there is an good scope to do operacional
> > research  to optimize  , minimize fuel consumption , make goodquality gas
> ,
> > improve overall energy efficienmcy.Recent two piston ecomotors  are under
> > fast developments which combined with GEK gasifier , operating like
> viking
> > well proven can make possible as practical  small energy genertion with
> low
> > investments
> >
> >       As you have  open mind  and open source  ecobusiness model , making
> >  money from biomass waste can be reality , an proven  very soon , yet
>  now
> > is an dream for many not an economicaly viable business, but technicaly
> > feasible  as your well made GEK gasifier working demonstrated
> >
> >   Wish you all the sucess and thank you for your open minded  sharing
> > information  of technical information  with our list, I am happy  to see
> You
> > as an example and good model of other business  venture bioenergy making
> >  private  company  to share not only the problems , but also  share
>  several
> > important technical solution  with open mind along with this  list
> members,
> > eventhough top secret, stat of art technology one  can keep awy from the
> > list
> >
> > Welcome you to bring here the problems and the real isseu and I  am sure
> >  good way  will be shown by several experts
> >
> > Yours truely
> > Pannirselvam P.V
> >
> >
> >
> > On Sun, Aug 7, 2011 at 11:05 PM, jim mason <jim at allpowerlabs.org> wrote:
> >
> >> on the road to reducing problems in the reactor so there are less
> >> issues to deal with in filtering, here's a new question.
> >>
> >> does anyone know where to look for experimental results on the impacts
> >> of increased steam in pyrolysis environments?   my hunch is that
> >> increased steam will lessen the production of PAHs and general double
> >> carbon bonded refractory tars.  we know we can do this by reducing
> >> pyrolysis temp and slowing the ramp rate, but will steam also help
> >> with this?
> >>
> >> the literature shows a marked decrease in soot production in
> >> combustion environments where there is high steam.  steam apparently
> >> interrupts the agglomeration on the PAH nucleus.  thus to the degree
> >> we can maintain adequate temps, steam is helping us with soot
> >> reduction.
> >>
> >> but what about during pyrolysis?  does it reduce PAH production?  do
> >> it have other marked effects on the type of tars make?  in general,
> >> are there wins to be had with steam in pyrolysis that make things
> >> meaningfully easier to deal with downstream?
> >>
> >> i'm about at the end of what i can do on temp control during
> >> pyrolysis.  i'm hoping there is another route to engage to continue
> >> improving the outputs of the pyrolysis stage.
> >>
> >> j
> >>
> >>
> >>
> >>
> >>
> >> --
> >>
> >>
> ------------------------------------------------------------------------------
> >> Jim Mason
> >> Website: http://www.whatiamupto.com
> >> Current Projects:
> >>    - Gasifier Experimenters Kit (the GEK): http://www.gekgasifier.com
> >>    - Escape from Berkeley alt fuels vehicle race:
> >> www.escapefromberkeley.com
> >>    - ALL Power Labs on Twitter: http://twitter.com/allpowerlabs
> >>    - Shipyard Announce list:
> >> http://lists.spaceship.com/listinfo.cgi/icp-spaceship.com
> >>
> >> _______________________________________________
> >> Gasification mailing list
> >>
> >> to Send a Message to the list, use the email address
> >> Gasification at bioenergylists.org
> >>
> >> to UNSUBSCRIBE or Change your List Settings use the web page
> >>
> >>
> http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org
> >>
> >> for more Gasifiers,  News and Information see our web site:
> >> http://gasifiers.bioenergylists.org/
> >>
> >
> >
> >
> > --
> > ************************************************
> > P.V.PANNIRSELVAM
> > ASSOCIATE . PROF.
> > Research Group ,GPEC, Coordinator
> > Computer aided  Cost engineering
> >
> > DEQ ? Departamento de Engenharia Qu?mica
> > CT ? Centro de Tecnologia / UFRN, Lagoa Nova ? Natal/RN
> > Campus Universit?rio. CEP: 59.072-970
> > North East,Brazil
> > *******************************************
> > https://sites.google.com/a/biomassa.eq.ufrn.br/sites/
> >  and
> > http://ecosyseng.wetpaint.com/
> >
> >
> > Fone ;Office
> > 84 3215-3769 ,  Ramal 210
> > Home : 84 3217-1557
> >
> > Mobile :558488145083
> >
> > Email:
> > pvpa at msn.com
> > panruti2002 at yahoo.com
> > pannirbr at gmail.com
> > pvpa at msn.com
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> http://lists.bioenergylists.org/pipermail/gasification_lists.bioenergylists.org/attachments/20110808/f79e905c/attachment-0001.html
> >
> >
> > ------------------------------
> >
> > Message: 4
> > Date: Mon, 8 Aug 2011 05:16:01 -0500
> > From: Greg Manning <a31ford at gmail.com>
> > To: Discussion of biomass pyrolysis and gasification
> >        <gasification at lists.bioenergylists.org>
> > Subject: Re: [Gasification] effect of steam on tar and soot production
> >        during pyrolysis?
> > Message-ID:
> >        <CAH4eSNrVNreHa+y6sSVqNVtiyFH0g=
> spwKoiD9u0TJa9Suw5ag at mail.gmail.com>
> > Content-Type: text/plain; charset=windows-1252
> >
> > Greetings List, Jim, Pannirselvam.
> >
> > I now re-read your initial post, and wonder quoting you..
> >
> > Quote: "we know we can do this by reducing
> >>> pyrolysis temp and slowing the ramp rate, but will steam also help
> >>> with this?" < End Quote:
> >
> > Reducing Pyrolysis Temperature ????? this is exactly where tars and
> > PAH's are created in the first place.
> >
> > Sorry Jim, I'll back out of this conversation now, as we are in two
> > different worlds as to what makes a gasifier work correctly.
> >
> > Greg Manning
> >
> > On Sun, Aug 7, 2011 at 10:35 PM, Pannirselvam  P.V <pannirbr at gmail.com>
> wrote:
> >> ?Dear Jim
> >> ? ?Both the pyrolyis and steam gasification ?depends mostly ?on the
> >> temperture
> >> the ?temperture higher than ?1000 C , can ? accelerate ?more the ?water
> gas
> >> ?shift reaction thus ?into more ? hydrogen and co2 , and alos the ?co2
> >> ?decomposition ?leading to more C0 ,shifting ?the equilibrium leading to
> the
> >> gas with ?less co2 . Thus ?steam reforming into hydogen rich syn gas is
> >> favoured along with methan formation, less soot , tar production needing
> >> less , air , thus less n2 in the the gas output
> >> ? in this case of high temperture , pyrolyis is not limiting factor ,
> but
> >> steam reforming ?is critical.
> >> Low ?temperature ?pyrolysis can lead to tar, char fines PAH, thus optium
> ,
> >> not only the steam ,but also the the biomass:Air :steam ?are important
> >> parameters.
> >> ? One of our ?research group ?project collaborator ?Dr.Rajessh ?has done
> ,
> >> not experimental ?study , but modeling simulation and optimization of
> ?these
> >> varibables as ?the Phd thesis .His email .is rajesh76 at gmail.com.he also
> has
> >> more than international publications , he is presenetly working Pos
> doctrate
> >> research ?regarding several ?vital question you have ?made here .
> >> ? Even for us ?who make model ?, the role of steam in pyrolysis is not
> ?very
> >> clear.The steam , it products , c02 ?, can bring down very ?rapidly the
> >> pyrolysis temperature , then there is problem of maintain steady
> >> temperatures .
> >> ? ? In this respect , the two satge ?Denmak ?Viking ?gasifier ?has two
> stges
> >> :pyrolysis , steam gasification pliot plant are ?very ?well demonstrated
> ?,
> >> in which the engine exhaust are used to maintain the tempertaure ?in
> >> pyrlolysis as in GEK , the hot air and steam are recoverd from gasifier.
> >> Surley there are ?experimental ?published work ?is available
> >> http://www.bgg.mek.dtu.dk/Publications.aspxot
> >> Not only steam air ?ratio, but ?how ?this can be used are important
> points ,
> >> realy ?we do not have ?answer.
> >> if you wish to use ?steam in pyrolysis , this need to be the superheated
> one
> >> , as superheated ?steam is well proved to be ?good for combustion , this
> can
> >> help cracking ?Carbon carbon bonds, tars etc.
> >> Experimental results ?are lacking but you can serach several
> patents,where
> >> you ?can surely find the correct answer.
> >> Opensource google , several sites make possible very quick search ?abou
> the
> >> same
> >>
> >> ? GeK gasifier design is ok , there is an good scope to do operacional
> >> research ?to optimize ?, minimize fuel consumption , make goodquality
> gas ,
> >> improve overall energy efficienmcy.Recent two piston ecomotors ?are
> under
> >> fast developments which combined with GEK gasifier , operating like
> viking
> >> well proven can make possible as practical ?small energy genertion with
> low
> >> investments
> >> ? ? ? ?As you have ?open mind ?and open source ?ecobusiness model ,
> making
> >> ?money from biomass waste can be reality , an proven ?very soon , yet
> ?now
> >> is an dream for many not an economicaly viable business, but technicaly
> >> feasible ?as your well made GEK gasifier working demonstrated
> >> ? ?Wish you all the sucess and thank you for your open minded ?sharing
> >> information ?of technical information ?with our list, I am happy ?to see
> You
> >> as an example and good model of other business ?venture bioenergy making
> >> ?private ?company ?to share not only the problems , but also ?share
> ?several
> >> important technical solution ?with open mind along with this ?list
> members,
> >> eventhough top secret, stat of art technology one ?can keep awy from the
> >> list
> >> Welcome you to bring here the problems and the real?isseu?and I ?am sure
> >> ?good way ?will be shown by several experts
> >> Yours truely
> >> Pannirselvam P.V
> >>
> >>
> >> On Sun, Aug 7, 2011 at 11:05 PM, jim mason <jim at allpowerlabs.org>
> wrote:
> >>>
> >>> on the road to reducing problems in the reactor so there are less
> >>> issues to deal with in filtering, here's a new question.
> >>>
> >>> does anyone know where to look for experimental results on the impacts
> >>> of increased steam in pyrolysis environments? ? my hunch is that
> >>> increased steam will lessen the production of PAHs and general double
> >>> carbon bonded refractory tars. ?we know we can do this by reducing
> >>> pyrolysis temp and slowing the ramp rate, but will steam also help
> >>> with this?
> >>>
> >>> the literature shows a marked decrease in soot production in
> >>> combustion environments where there is high steam. ?steam apparently
> >>> interrupts the agglomeration on the PAH nucleus. ?thus to the degree
> >>> we can maintain adequate temps, steam is helping us with soot
> >>> reduction.
> >>>
> >>> but what about during pyrolysis? ?does it reduce PAH production? ?do
> >>> it have other marked effects on the type of tars make? ?in general,
> >>> are there wins to be had with steam in pyrolysis that make things
> >>> meaningfully easier to deal with downstream?
> >>>
> >>> i'm about at the end of what i can do on temp control during
> >>> pyrolysis. ?i'm hoping there is another route to engage to continue
> >>> improving the outputs of the pyrolysis stage.
> >>>
> >>> j
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> --
> >>>
> >>>
> ------------------------------------------------------------------------------
> >>> Jim Mason
> >>> Website: http://www.whatiamupto.com
> >>> Current Projects:
> >>> ?? - Gasifier Experimenters Kit (the GEK): http://www.gekgasifier.com
> >>> ?? - Escape from Berkeley alt fuels vehicle race:
> >>> www.escapefromberkeley.com
> >>> ?? - ALL Power Labs on Twitter: http://twitter.com/allpowerlabs
> >>> ?? - Shipyard Announce list:
> >>> http://lists.spaceship.com/listinfo.cgi/icp-spaceship.com
> >>>
> >>> _______________________________________________
> >>> Gasification mailing list
> >>>
> >>> to Send a Message to the list, use the email address
> >>> Gasification at bioenergylists.org
> >>>
> >>> to UNSUBSCRIBE or Change your List Settings use the web page
> >>>
> >>>
> http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org
> >>>
> >>> for more Gasifiers, ?News and Information see our web site:
> >>> http://gasifiers.bioenergylists.org/
> >>
> >>
> >>
> >> --
> >> ************************************************
> >> P.V.PANNIRSELVAM
> >> ASSOCIATE . PROF.
> >> Research Group ,GPEC, Coordinator
> >> Computer aided? Cost engineering
> >>
> >> DEQ ? Departamento de Engenharia Qu?mica
> >> CT ? Centro de Tecnologia / UFRN, Lagoa Nova ? Natal/RN
> >> Campus Universit?rio. CEP: 59.072-970
> >> North East,Brazil
> >> *******************************************
> >> https://sites.google.com/a/biomassa.eq.ufrn.br/sites/
> >> ?and
> >> http://ecosyseng.wetpaint.com/
> >>
> >>
> >> Fone ;Office
> >> 84 3215-3769 ,? Ramal 210
> >> Home : 84 3217-1557
> >>
> >> Mobile :558488145083
> >>
> >> Email:
> >> pvpa at msn.com
> >> panruti2002 at yahoo.com
> >> pannirbr at gmail.com
> >> pvpa at msn.com
> >>
> >>
> >>
> >>
> >> _______________________________________________
> >> Gasification mailing list
> >>
> >> to Send a Message to the list, use the email address
> >> Gasification at bioenergylists.org
> >>
> >> to UNSUBSCRIBE or Change your List Settings use the web page
> >>
> http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org
> >>
> >> for more Gasifiers, ?News and Information see our web site:
> >> http://gasifiers.bioenergylists.org/
> >>
> >>
> >
> >
> >
> > --
> > ?Regards,
> >
> > Greg Manning,
> > Brandon, Manitoba, Canada
> >
> >
> >
> > ------------------------------
> >
> > Message: 5
> > Date: Sun, 7 Aug 2011 16:15:32 -0400
> > From: Thomas Reed <tombreed2010 at gmail.com>
> > To: STOVES <stoves-request at lists.bioenergylists.org>,   Discussion of
> >        biomass pyrolysis and gasification
> >        <gasification at lists.bioenergylists.org>,        Shivayam Ellis
> >        <shivayam.ellis at gmail.com>, Agua Das <aguadas at onebox.com>,
>  Paul
> >        Anderson <psanders at ilstu.edu>, William Ayres <waayres at kc.rr.com>,
> >        Michael Antal <mantal at hawaii.edu>, Julia Hasty <
> jay at allpowerlabs.org>,
> >        Art Krenzel <phoenix98604 at msn.com>, Art Lilley <artsolar at aol.com>
> > Subject: [Gasification] Sheet metal design and prototyping
> > Message-ID: <9415B8C5-2385-4340-96AE-641E8F210B27 at gmail.com>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Dear all
> >
> > My exceedingly clever (God) Grandson,  Shivayam Ellis (son of AguaDas
> Ellis) is starting a service at  www.now cut.com to provide prototype
> sheet metal parts from his X-Y cutting table, described below.
> >
> > Hard to beat.
> >
> > TomReed - BEF
> >
> > -------------- next part --------------
> > A non-text attachment was scrubbed...
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> > -------------- next part --------------
> >
> >
> >
> >
> >
> >
> >
> >
> > Dr Thomas B Reed
> > President, The Biomass Energy Foundation
> > www.Woodgas.com
> >
> > ------------------------------
> >
> > _______________________________________________
> > Gasification mailing list
> >
> > to Send a Message to the list, use the email address
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-- 
************************************************
P.V.PANNIRSELVAM
ASSOCIATE . PROF.
Research Group ,GPEC, Coordinator
Computer aided  Cost engineering

DEQ – Departamento de Engenharia Química
CT – Centro de Tecnologia / UFRN, Lagoa Nova – Natal/RN
Campus Universitário. CEP: 59.072-970
North East,Brazil
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