[Digestion] Lessons Learned from the dissemination of Biodigesters for Sanitation in haiti, form 2010 to 2013.

Sat Jan 10 00:29:23 CST 2015

Dear Murali,
calorific value of methane from 1kg dung should read as 200 kcal and not
plain calories.
Yours
A.D.Karve

***
Dr. A.D. Karve

Chairman, Samuchit Enviro Tech Pvt Ltd (www.samuchit.com)

Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)

On Fri, Jan 9, 2015 at 6:34 AM, Murali Krishna <bmkrishna6 at gmail.com> wrote:

> Good day Dr. Karve,
>
> Undoubtedly all the animals are mobile digesters and they convert their
> food into energy and the undigested is let out into Nature. Law of Nature
> does not permit 100% percent digestion of food in their digestive track and
> they have to excrete and this excreta is food for some other animals that
> exist down the line.  There used to be a recycling balance in the nature
> when the species co-existed in a proportional order. Now due to the
> explosion of population of species, living styles, dwelling space, and
> several other changes, we find everywhere untreated waste. *Somewhere,
> someone in the line has to handle waste and we cannot allow the fecal
> matter release CH4 into atmosphere.* Urban dwelling seldom permit Nature
> to take its own course and recycle nor we have space to let the other
> animals roam around and take care of it for several reasons.
>
> Now the question is whether recycling of excreta of species (including
> human species) is worth recycling.  Yes, it is and it has to be.  We cannot
> allow emissions even in small quantity. And this type of projects are
> economically viable too!   Above all, now there is equipment to evacuate
> the digesters.
>
> Regards,
>
> Murali Krishna
>
> On Thu, Jan 8, 2015 at 9:58 AM, Anand Karve <adkarve at gmail.com> wrote:
>
>> Dear Anthony,
>> the report is too big for my computer to handle. Can you provide a
>> short summary of the findings? As a person who has been studying
>> biogas technology for the last 15 years, I have my own opinions about
>> using fecal matter as a source of biogas. Please note that under
>> anaerobic conditions, the microbes survive by taking oxygen from their
>> food. Therefore, one must provide them with substances that contain
>> oxygen in their molecules. The methanogens use the oxygen in their
>> food for their own metabolism and give out methane. ammonia and H2S,
>> none of which ontains oxygen. All animals, including humans represent
>> living biogas plants and their fecal matter represents material that
>> is predominently indigestible to the biogas producing organisms.
>> Therefore, making biogas from feces of animals is not a very efficient
>> way of getting biogas. Secondly, if you used human fecal matter as the
>> major feedstock, and if by chance the biogas plant goes out of order,
>> you may not find anybody willing to repair it.
>> Yours
>> A.D.Karve
>> ***
>> Dr. A.D. Karve
>>
>> Chairman, Samuchit Enviro Tech Pvt Ltd (www.samuchit.com)
>>
>> Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)
>>
>>
>> On Wed, Jan 7, 2015 at 8:50 PM, Anthony Kilbride
>> <anthony.kilbride at gmail.com> wrote:
>> > Dear Biodigestion list,
>> >
>> > Happy New year!
>> >
>> > I have been quietly observing the discussions of the Digestion list for
>> a
>> > year or more and I have gained a great insight into the world of ABD
>> through
>> > the various exchanges between members of the digestion list. I would
>> like to
>> > thank all of you who take the time to communicate your findings on the
>> > forum; results, successes and challenges. The forum is truly a great
>> > resource and it is wonderful to see so many individuals and groups from
>> all
>> > over the world who are so open and generous in sharing their
>> information.
>> >
>> > I now have some information of my own to share, in the form of a lessons
>> > learned document on the experiences of the dissemination of
>> Biodigesters for
>> > Sanitation in Haiti, from 2010 to 2013. The research was undertaken by
>> the
>> > NGO; Norwegian Church Aid (NCA).
>> > The report in its entirety can be viewed here:
>> >
>> https://www.dropbox.com/s/8qqu3qpkhohatol/NCA_Biogas%20report_EN.pdf?dl=0
>> >
>> > Whilst sanitation and the corresponding public health gains are not the
>> > objectives of many of the users of the forum (usually energy and
>> recycling
>> > of nutrients in slurry are the main objectives), there is nevertheless a
>> > substantial volume of work being undertaken using biodigesters for
>> > sanitation, and the Haitian experience is one such example which I hope
>> will
>> > provide interesting reading for biogas practitioners.
>> >
>> > I welcome feedback on the report, and I wish you all the greatest
>> possible
>> > success in 2015!
>> >
>> > Hoorooh!
>> >
>> > Anthony Kilbride.
>> > WASH Manager.
>> > NCA Haiti.
>> >
>> >
>> > _______________________________________________
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>> >
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>> >
>> > to UNSUBSCRIBE or Change your List Settings use the web page
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>> >
>> > for more information about digestion, see
>> > Beginner's Guide to Biogas
>> > http://www.adelaide.edu.au/biogas/
>> > and the Biogas Wiki http://biogas.wikispaces.com/
>> >
>> >
>>
>> _______________________________________________
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>>
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>>
>> for more information about digestion, see
>> Beginner's Guide to Biogas
>> http://www.adelaide.edu.au/biogas/
>> and the Biogas Wiki http://biogas.wikispaces.com/
>>
>>
>
>
> --
>
>
> Regards.
>
> Murali Krishna
>
>
>
>
>
> Protect Mother Nature
>
>
>
> _______________________________________________
> Digestion mailing list
>
> to Send a Message to the list, use the email address
> Digestion at bioenergylists.org
>
> to UNSUBSCRIBE or Change your List Settings use the web page
>
> http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org
>
> for more information about digestion, see
> Beginner's Guide to Biogas
> http://www.adelaide.edu.au/biogas/
> and the Biogas Wiki http://biogas.wikispaces.com/
>
>
>
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