Was there not in Kenya that Cornell University test project... biochar, and liquid fuel, from biomass with really small scale production. I wonder if that worked well... and would it easily produce also gas that could be used to refill those small gas bottles ?
MaxT On Sun, May 5, 2013 at 2:45 PM, Anand Karve <[email protected]> wrote: > Dear Paul, > I read the article on pig rearing and using the pig shit for raising worms > and fly larvae. It would work in villages, but not in the cities. Our > biogas system uses urban domestic biodegradable garbage as feedstock. This > material is causing a lot of difficulties to our municipalities. People > have tried the vermicompost route of organic garbage disposal, but in the > cities they do not know how and where to use the vermicompost. That is why > we advocate the conversion of food and kitchen waste into biogas. In our > process, 1 kg (dry weight) of human food waste yields almost 1`kg biogas, > leaving no disposable residue behind. It contains about 360 to 370 g > methane, having calorific value of about 4200 to 4300 kcal/kg, matching > almost the calorific value of wood. Our biogas process is not patented. We > encourage people to copy it and we estimate that almost 10,000 biogas > plants of our design are operating all over the world. > Yours > A.D.Karve > > On Sat, May 4, 2013 at 4:01 PM, Paul Olivier <[email protected]>wrote: > >> Dear A.D. >> >> Making biogas from type 1 or type 2 waste is not ideal. >> Please see: >> https://dl.dropboxusercontent.com/u/22013094/Paper/Summaries/Alternative%20to%20Biodigestion.pdf >> >> Paul >> >> >> >> On Sat, May 4, 2013 at 8:00 AM, Anand Karve <[email protected]> wrote: >> >>> Dear Stovers, >>> As cooking energy, biogas can easily replace LPG or CNG. Biogas gives a >>> blue flame without smoke or soot, its flame intensity can be controlled at >>> will and turning it on or off is as easy as LPG. Our work showed back in >>> 2003 that dung is not needed for biogas production and that material like >>> sugar, starch, cellulose, digestible protein and fats can all be used as >>> feedstock. In our city, waste flour, swept from the floor of a flour mill >>> is available for about US Cents 10 per kg. 3 kg flour give enough biogas to >>> replace one kg LPG costing US Cents 80 (subsidised price) or US$1.6 >>> (unsubsidised price. If you have a few green leafy plants around your >>> house, or have access to the local vegetable market waste, 10kg fresh green >>> leaves (available for no cost) would yield enough biogas to replace about 1 >>> kg LPG. >>> Yours >>> A.D.Karve >>> >>> On Fri, May 3, 2013 at 4:53 PM, Paul Olivier <[email protected]>wrote: >>> >>>> CNN just ran a new clip about the partial lifting of subsidies for >>>> bottled gas in Egypt - major point of unrest among the Egyptian people. >>>> Also there is this from Reuters: >>>> >>>> http://uk.reuters.com/article/2013/04/01/uk-egypt-gas-idUKBRE93005I20130401 >>>> >>>> The price of bottled gas is a huge problem throughout most of the >>>> developing world. If we can design gasifiers or pyrolyzers that produce a >>>> gas that can compete with bottled gas, this will have profound economic and >>>> political consequences. >>>> >>>> The first step in making this happen lies in preparing biomass, in all >>>> of its many forms, into a predictable fuel. >>>> >>>> Thanks. >>>> Paul Olivier >>>> -- >>>> Paul A. Olivier PhD >>>> 26/5 Phu Dong Thien Vuong >>>> Dalat >>>> Vietnam >>>> >>>> Louisiana telephone: 1-337-447-4124 (rings Vietnam) >>>> Mobile: 090-694-1573 (in Vietnam) >>>> Skype address: Xpolivier >>>> http://www.esrla.com/ >>>> >>>> _______________________________________________ >>>> Stoves mailing list >>>> >>>> to Send a Message to the list, use the email address >>>> [email protected] >>>> >>>> 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/ >>>> >>>> >>>> >>> >>> >>> -- >>> *** >>> Dr. A.D. Karve >>> Trustee & Founder President, Appropriate Rural Technology Institute >>> (ARTI) >>> >>> >>> _______________________________________________ >>> Stoves mailing list >>> >>> to Send a Message to the list, use the email address >>> [email protected] >>> >>> 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 >> 26/5 Phu Dong Thien Vuong >> Dalat >> Vietnam >> >> Louisiana telephone: 1-337-447-4124 (rings Vietnam) >> Mobile: 090-694-1573 (in Vietnam) >> Skype address: Xpolivier >> http://www.esrla.com/ >> >> _______________________________________________ >> Stoves mailing list >> >> to Send a Message to the list, use the email address >> [email protected] >> >> 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/ >> >> >> > > > -- > *** > Dr. A.D. Karve > Trustee & Founder President, Appropriate Rural Technology Institute (ARTI) > > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > 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/ > > >
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