[Gasification] energy for villages
Thomas Reed
tombreed2010 at gmail.com
Wed Apr 25 13:09:06 CDT 2012
Dear Dr. Karve and All:
Electricity is the highest form of energy. Biomass is close to the bottom. But biomass converted to producer gas or pyrolysis gas is much more valuable. Charcoal is the most valuable form of biomass if you have an agricultural use for it or if you value preventing (3.7 tons of CO2/ton of charcoal) global warming has value.
So making electric power from the PYROLYTIC gas and keeping the charcoal has advantages over converting all the biomass to producer gas and electricity, as long as there is an adequate supply of biomass.
Pyrolytic gas and 20% charcoal are easily made with top down (TLUD) gasification in our stoves (available at www.biomassenergyfndn.com) or larger units such as a 33 gallon garbage can with combustor chimney. I believe that TLUD gas has a higher energy content than producer gas, say 225 BTU/scf vs 150 BTU/scf. It may also have fewer impurities (tars), since the lignin contributes a more complex slate.
I'd be interested in all comments on PYROLYTIC gas for power generation.
Onward and upward with biomass gases.....
Thomas B Reed
On Apr 24, 2012, at 7:44 PM, "Pannirselvam P.V" <pannirbr at gmail.com> wrote:
>
> Respected A.D.Karve
>
> Thank you very much for your valuable practical information.Like in the case of popularity of biogas technology in rural India , your work show a different technological path way viability for India unlike the large scale centralised energy production of developed world .Because our Bioenergy is is the very largest global list of the Internet, many list members from developing country will take especial note of your answer . Small scale Energy from biomass can bring new opportunity for small towns ,several islands, several isolated under developed forest areas.As very big country Brazil , yet have remote places yet unconnected with the glob world with problem of transport unlike India well connected railways , the small biomass energy can play important role for better food and health.
>
> Kind regards for time valuable information
>
>
> On Tue, Apr 24, 2012 at 10:27 AM, Anand Karve <adkarve at gmail.com> wrote:
> Dear Pannirselvam,
> a company called Ankur in Vadodara (Gujerat) provided us with the technology. They make the gasifiers. Another company in Agra (U.P.) makes the engines and a third one makes the electricity generators. Ankur puts them all together. Our generator generates 5 kW electricity. It is operated for about three hours in the evening to provide light to the houses. There are also a few street lights. Some families have also purchased television sets since they have electricity. Their village is on the top of a hill and the women used to come down into the valley to get their grain ground and again climb up the hill with the flour. Now they have a flour mill in their own village. There is no motorable road to reach the village. The hardware was dismembered and physically carried up to the village by the people. The individual components were reassembled in the village. We also wanted to construct a biogas plant in this village to supplement the producer gas, but we ran out of money.
> Yours
> A.D.Karve
>
> On Mon, Apr 23, 2012 at 5:46 PM, Pannirselvam P.V <pannirbr at gmail.com> wrote:
> Dear Anand Karrve
>
> Kind regrads and congratulation to you . The way to gasification of biomass waste into wealth to decentralized people made small biopower using biogas , producer gas cheaper piston engine to the rural mass compared to the centralised steam turbine and gas turbines , capital intensive , with more power loss during distribution has many social , environmental economical and technical problems .In this context very glad to to know your sucess story.
> Inthis context your practical work , India giving exmaples to other world so that Brazziil , Africa , china need to follow the lesson learned by you.
> You have clearly mentioned 2 alternatives of biogas , and producer gas .
> As you also woke much with pyrogas , can slow pyrogas used in biogas , can this make more water gas shift CO to hydrogen and also metahne , reduce acids in pyrogas.
> Can the combined pyrogas and biogas , biothermal process more simple and more Appropriate than producer gas gasification
> Can you give more brief details about the details about how the samll energy produced for 35 household .Is it combined bigas and producer gas or stand alone engine running two seperate engine for each case
>
> King regards
>
> Pannirselvam .P.V
> North East Brazil
>
>
>
>
>
> On Sun, Apr 22, 2012 at 10:12 PM, Anand Karve <adkarve at gmail.com> wrote:
> Dear gasification enthusiasts,
> I delivered a keynote address on 23rd February in Tokyo, Japan, before a workshop on the theme "Bottom of the Pyramid". The workshop was arranged by Japan External Trade Organization, and it was meant to tell the Japanese industrialists what they could do for the poor in the third world. My main theme was that the people belonging to the bottom of the pyramid lived in villages, where the opportunities to earn money were extremely limited. The main impediment in the way of even small scale industries being opened in villages was the lack of electricity, and therefore I pleaded that the agricultural waste should be converted into energy. This is already being done all over the world by the cane sugar industry, which uses the bagasse as the source of energy. In the sugar factories, they use the steam turbine technology, which is rather sophisticated, but in the villages they can use the gasification technology with producer gas and biogas being the two alternatives for driving internal combustion engines, which in turn motivate electricity generators. Our own Institute is already providing electricity generated by this method to 35 households in a remote village in India.
> I am taking this opportunity just to make a wider circle of technicians aware of the benefits that gasification of biomass can bring to the rural poor.
> Yours
> A.D.Karve
> --
> ***
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> Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)
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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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