[Stoves] Stoves Digest, Vol 148, Issue 13

Norman Baker ntbakerphd at gmail.com
Fri Dec 23 13:26:14 CST 2022 

Paul;

Glad to see you join the stoves list.

Norm

On Fri, Dec 23, 2022 at 11:08 AM <stoves-request at lists.bioenergylists.org>
wrote:

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> Today's Topics:
>
>    1. Re: I would like to join these discussions. (tmiles at trmiles.com)
>    2. offlist reply from Paul (ajheggie at gmail.com)
>    3. Re: I would like to join these discussions. (Paul Olivier)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 22 Dec 2022 11:07:26 -0800
> From: <tmiles at trmiles.com>
> To: "'Discussion of biomass cooking stoves'"
>         <stoves at lists.bioenergylists.org>
> Subject: Re: [Stoves] I would like to join these discussions.
> Message-ID: <017901d91638$a2532d40$e6f987c0$@trmiles.com>
> Content-Type: text/plain; charset="utf-8"
>
> Paul,
>
>
>
> Welcome to the stoves discussion. Feel free to post. You will find the
> archives at:
>
>
> http://lists.bioenergylists.org/mailman/private/stoves_lists.bioenergylists.org/
>
>
>
> There are 948 current members.
>
>
>
> If there is interest, we may migrate the list to a more modern platform
> and update the files.
>
>
>
> Kind regards,
>
>
>
> Tom Miles
>
> List Owner since 1996.
>
>
>
> T R Miles Technical Consultants Inc
>
> Portland, OR 97225
>
> Cel/VM 503-780-8185
>
>  <mailto:tmiles at trmiles.com> tmiles at trmiles.com
>
>  <http://www.trmiles.com/> www.trmiles.com
>
>
>
>
>
>
>
> From: Stoves <stoves-bounces at lists.bioenergylists.org> On Behalf Of Paul
> Olivier
> Sent: Thursday, December 22, 2022 1:06 AM
> To: Discussion of biomass cooking stoves <stoves at lists.bioenergylists.org>
> Subject: [Stoves] I would like to join these discussions.
>
>
>
>
>
>
>
> --
>
> Paul A. Olivier PhD
> 104/43 Phu Dong Thien Vuong
> Dalat
> Vietnam
>
> Louisiana telephone: 1-337-447-4124 (rings Vietnam)
> Mobile: 090-694-1573 (in Vietnam)
> Skype address: Xpolivier
> http://epwt.vn/en/home/
>
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> ------------------------------
>
> Message: 2
> Date: Thu, 22 Dec 2022 21:50:29 +0000
> From: ajheggie at gmail.com
> To: Discussion of biomass cooking stoves
>         <stoves at lists.bioenergylists.org>
> Subject: [Stoves] offlist reply from Paul
> Message-ID:
>         <CAPSaZeat3b_JWP133gU=
> hNG+sYsx7u60BuZOfMkBWho5xnrRrA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Please see below a small offlist discussion which I think was aimed at
> [stoves]
> . I found it interesting that kaolin (same as fullers earth  or bentonate
> clay I suspect) modiies the combustion in this way.
>
> Now to find a Vietnamese shipping company that can handle all the duies and
> transport for dhipping Delivered Duty Paid.
> Andrew
>
> On Thu, 22 Dec 2022 at 00:20, Paul Olivier <paul.olivier at esrla.com> wrote:
>
> > See comments below.
> >
> > On Thu, Dec 22, 2022 at 6:51 AM <ajheggie at gmail.com> wrote:
> >
> >> What appeals to me is that rice husk is an agri residue that performs
> >> well with no special preparation, there are presumably other crop
> >> hulls  or pips which are similar, olive or cherry pits or pistachio
> >> nut hulls.
> >>
> >
> > Here in Vietnam where I live, there is a lot of coffee husk that is
> > uniform.
> > But coffee husk contains a lot of oily compounds.
> > When one gasifies coffee husk, a lot of black smoke is created, and the
> > flame is yellow.
> > However, when we mixed in about 2% kaolin and pelleted the coffee husk,
> > the black smoke disappeared, and a beautiful blue flame was created.
> > This opens the door to pelletizing pine forest debris.
> > In the province where I live, there are 50,000 hectares of pine forests.
> >
> > Vietnam produces over 90 million tons of rice straw and over 8 million
> > tons of rice hull.
> > No one here should have to use fossil fuels, wood or charcoal to cook a
> > meal.
> > World-wide there are several billion tons of straw of various kinds that
> > could be pelleted and used as gasifier fuel.
> >
> > I look forward to making briquettes as well as pellets.
> >
> >
> >
> > The height of the briquette can be adjusted to whatever gasifier run time
> > is needed.
> > A fan would not be needed when gasifying briquettes.
> > The top of the briquette could be coated with a fire-starter material for
> > easy lighting.
> >
> >
> >> Twigs on the other hand would have to be harvested, dried and prepared
> >> which may be costly in labour.
> >>
> >> When wood pellets got more expensive here in UK I sieved out wood
> >> chips to give me the relatively small size class that my pellet burner
> >> could feed, they were difficult to dry sufficiently and although
> >> available free the effort wasn't worth it to me, also the burner was
> >> derated by over 50% because the bulk density was so low. I took the
> >> pellet burner out and reverted to a modern, clean burning 4kW log
> >> stove. This can heat my small house comfortably down to 5C outside and
> >> a little less well in the few days last week when it went to -5C.
> >>
> >> Paul has developed the gasifier for agricultural communities and it is
> >> best suited there.
> >>
> >
> > I suggest that it is suitable everywhere that high-grade heat and biochar
> > are needed.
> >
> >>
> >> Where I volunteer at a community interest woodland (mainly run for
> >> educational purposes) there is a small commercial sawmill. The sawdust
> >> has been allowed to build up to become a problem, it has also been
> >> allowed to get rained on. If the gasifier could turn dry sawdust to
> >> char it would be an interesting teaching aid on a number of counts:
> >>
> >> Utilising waste for heat/cooking
> >> tidiness
> >> Pyrolysis/gasification
> >> Biochar for use in the nursery
> >>
> >
> > Try not to let the sawdust get wet.
> > If the sawdust contains oily compounds, add kaolin and pelletize.
> >
> >>
> >> Best wishes for the season Paul and Ron and thanks for an interesting
> >> topic back on [stoves]
> >>
> >
> > Thanks so much.
> >
> >
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> ------------------------------
>
> Message: 3
> Date: Fri, 23 Dec 2022 05:18:11 +0700
> From: Paul Olivier <paul.olivier at esrla.com>
> To: Discussion of biomass cooking stoves
>         <stoves at lists.bioenergylists.org>
> Subject: Re: [Stoves] I would like to join these discussions.
> Message-ID:
>         <
> CAOreFvbcgW1y2c+c2Km-s6YryrPPgGBadoCbcaVcECyrhccGDA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Thank you, Tom.
>
> On Fri, Dec 23, 2022 at 2:11 AM <tmiles at trmiles.com> wrote:
>
> > Paul,
> >
> >
> >
> > Welcome to the stoves discussion. Feel free to post. You will find the
> > archives at:
> >
> >
> >
> http://lists.bioenergylists.org/mailman/private/stoves_lists.bioenergylists.org/
> >
> >
> >
> > There are 948 current members.
> >
> >
> >
> > If there is interest, we may migrate the list to a more modern platform
> > and update the files.
> >
> >
> >
> > Kind regards,
> >
> >
> >
> > Tom Miles
> >
> > List Owner since 1996.
> >
> >
> >
> > T R Miles Technical Consultants Inc
> >
> > Portland, OR 97225
> >
> > Cel/VM 503-780-8185
> >
> > tmiles at trmiles.com
> >
> > www.trmiles.com
> >
> >
> >
> >
> >
> >
> >
> > *From:* Stoves <stoves-bounces at lists.bioenergylists.org> *On Behalf Of
> *Paul
> > Olivier
> > *Sent:* Thursday, December 22, 2022 1:06 AM
> > *To:* Discussion of biomass cooking stoves <
> > stoves at lists.bioenergylists.org>
> > *Subject:* [Stoves] I would like to join these discussions.
> >
> >
> >
> >
> >
> > --
> >
> > Paul A. Olivier PhD
> > 104/43 Phu Dong Thien Vuong
> > Dalat
> > Vietnam
> >
> > Louisiana telephone: 1-337-447-4124 (rings Vietnam)
> > Mobile: 090-694-1573 (in Vietnam)
> > Skype address: Xpolivier
> > http://epwt.vn/en/home/
> > _______________________________________________
> > Stoves mailing list
> >
> > to Send a Message to the list, use the email address
> > stoves at lists.bioenergylists.org
> >
> > to UNSUBSCRIBE or Change your List Settings use the web page
> >
> >
> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
> >
> > for more Biomass Cooking Stoves,  News and Information see our web site:
> > http://stoves.bioenergylists.org/
> >
> >
>
> --
> Paul A. Olivier PhD
> 104/43 Phu Dong Thien Vuong
> Dalat
> Vietnam
>
> Louisiana telephone: 1-337-447-4124 (rings Vietnam)
> Mobile: 090-694-1573 (in Vietnam)
> Skype address: Xpolivier
> http://epwt.vn/en/home/
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> ------------------------------
>
> End of Stoves Digest, Vol 148, Issue 13
> ***************************************
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