[Stoves] TLUD presentations at ETHOS 2015 -with your participation

Crispin Pemberton-Pigott crispinpigott at outlook.com
Sat Jan 10 03:48:38 CST 2015


Dear Stephen

I was in the SEET lab today checking new equipment and opened the new Testo to see what cells were in it. There is one market NO2 and no NO. I am presuming there is either a double read or it is estimating one of the gases. It has an output for both.

It is electrochemical of course. We need a portable system for outside work.

Re your wonderful equipment, that I didn't doubt. I was considering your request for other data. If you got it from SeTAR or SEET here in Mongolia there is no guarantee it would be what you need.

‎Regarding the normalisation of results, I am holding up the lonely flag of 0% hoping that we can have an end to the use of other standard dilutions.

Do you think there is any chance you can support that position?   Europe uses at least three different standard values of O2 for different fuels. Most coal burning uses 7‎% (50% EA). For cars it is higher, for wood higher still. The 'sectors' don't talk to each other.

Stoves us many fuels and we really need a standard. The good reasons for using 0% are the instruments often report that anyway, or can, and it is easy to teach.

What do you think?

Thanks
Crispin

HI Crispin

We take all readings back to 8% O2.

Just to say modern GC’s and chemiluminescent analysers that are properly calibrated can read NO NO2 and N2O and CH4 with a high precision.

Regards
Stephen
On 10 Jan 2015, at 9:47 am, Crispin Pemberton-Pigott <crispinpigott at outlook.com> wrote:

> Dear Stephen
>
> "We compared this with emissions from an open fire. In this study we also measured dioxins and furans and PAH;s."
>
> Wow! I am looking forward to that!
>
> Note to Paul: the assumption about CH4 not surviving the fire ‎was applied to H2 as well. But at SEET Lab in UB we found peaks of 15,000 ppm (undiluted) of H2(EF).
>
> Stephen, by (EF) we mean the measured value multiplied by Lambda where Lambda is Excess Air factor plus 1 (ie total air demand)‎. The figure you reported: 500, doesn't mean much to me until it is undiluted. Maybe the EF value is 5000, not 500. We can only make useful comparisons between (EF) values.
>
> Thanks
> Crispin
>
>
> Hi Paul
>
> Thanks.  OK I have measured a lot of pyrolysis devices and I can tell you they all produce CH4 and N2O as well as NOx (NO and NO2). Concentrations vary from well under 50ppm to over 500ppm for CH4 at 8% O2.
>
> We have just finished measuring these parameters on Mr Khois stove DK-5 along with a new larger combine biochar/rocket stove I designed with Brenton Ladd in Peru for use in restaurants and will publish some time this year. We compared this with emissions from an open fire. In this study we also measured dioxins and furans and PAH;s.
>
> Regards
> Stephen
>
>
> On 10 Jan 2015, at 8:28 am, Paul Anderson <psanders at ilstu.edu> wrote:
>
>> Stephan,
>>
>> I know of no such studies.   And I expect to find none, either.   NOx is not associated with TLUDs because the temperatures do not get high enough (that is my understanding, but not my field of expertise).    And the same applies for CH4.       The TLUD devices that are the sizes of 200 L drums are constructed with a final flame as the gases exit.   CH4 should not be able to survive that flame area.
>>
>> Paul
>> Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
>> Email:  psanders at ilstu.edu
>> Skype: paultlud      Phone: +1-309-452-7072
>> Website:  www.drtlud.com
>> On 1/9/2015 1:11 PM, Stephen Joseph wrote:
>>> HI Paul
>>>
>>>
>>> Does anyone have CH4 and N2O emissions data or know of a thesis/ paper that details the quantity of CH4 and N2O from TLUD drum ovens?
>>>
>>> We are doing a life cycle assessment on a project in Laos.
>>>
>>> Thanks
>>>
>>> Regards
>>> Stephen
>>>
>>> On Tue, Dec 30, 2014 at 9:08 AM, Paul Anderson <psanders at ilstu.edu> wrote:
>>> Stovers,
>>>
>>> For over a decade I reported at each ETHOS meeting about advances in TLUD and other micro-gasification stoves of the previous year.   For ETHOS 2015, there will be numerous independent presentations that relate to TLUDs, so I will NOT be summarizing about them.   But I will present the findings of those who cannot make it to the ETHOS meeting, or who only want a short summary of their work.
>>>
>>> If you are interested in having YOUR work about TLUD stoves summarized into my presentation, please send me appropriate information i the coming 2 weeks (by 16 January, please).  You can send me:
>>>
>>> 1.  Basic info on your findings, designs, etc, including important information about stove acceptance if you have that, and I will make a PowerPoint slide or two.
>>>
>>> 2.  Send me one or two PowerPoint slides (in .ppt or .pptx format, not as .pdf) that present your work.
>>>
>>> Be sure to include your contact information on the slides.
>>>
>>> *********** Here is the Title and Abstract (at this time).  I might pick up a co-author or two.
>>>
>>> ETHOS 2015 presentation
>>>
>>>
>>> Title:
>>>
>>> Advances of TLUD and other Micro-gasification for Clean Cookstoves during 2014
>>>
>>>
>>> Presenter:    Paul “Dr TLUD” Anderson
>>>
>>>                        Juntos Energy Solutions NFP
>>>
>>>
>>>                                                            Abstract
>>>
>>> Numerous advances in TLUD and other micro-gasifiier cookstoves that occurred in 2014 have their own presentations at the ETHOS 2015 conference.  This presentation is an overview of additional work and status reports that otherwise would not be presented.   With one or two slides from several TLUD stove projects, the range of diversity of approaches and underlying issues are seen on a world-wide basis.  The presenter is in contact with potential contributors, organizing their inputs, and presenting the diversity of results.
>>>
>>>
>>> *******
>>>
>>> I am anticipating a wide variety of material to include.    I hope that the Nurhuda / Differ activities in Indonesia are presenting, but if not, I will try to have a short summary of that effort.   Same applies to Crispin with both Mongolia and Indonesia TLUD information.    Less likely to attend are people with TLUD efforts ongoing in India, Cambodia, Vietnam, Uganda, Kenya, South Africa, USA and El Salvador (I have direct contact with all of them), and am sure that 6 to 10 others might respond to this contact requesting them to provide some short summary info.   It will be SPECIFIC to TLUD and related micro-gasification.   I am not trying to cover all types of stoves.
>>>
>>> If you want to chat about this, I am at my home phone number below or by Skype or by email.
>>>
>>> Paul
>>> Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
>>> Email:  psanders at ilstu.edu
>>> Skype: paultlud      Phone: +1-309-452-7072
>>> Website:  www.drtlud.com
>>>
>>>
>>> _______________________________________________
>>> 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/
>>>
>>>
>>>
>>
>
> <Mail Attachment.txt>_______________________________________________
> 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/
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20150110/b3269d00/attachment.html>
-------------- next part --------------
_______________________________________________
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/



More information about the Stoves mailing list