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GEK Wiki / Tower of Total Thermal Integration

26 Jul 09

Alternative fuels

Charlie Forst gives details of two cooking fuels which may be new to some readers. He works with ECHO, 17391 Durrance Road, North Fort Myers, FL 33917-2200, USA.

Sawdust stove

This stove is very simple to make and use if there is a good supply of sawdust available. It burns with a high temperature and makes little smoke. This design uses 28 fireproof bricks to make a small square. It could also be made in a large tin or metal bucket. If you have no wood sawdust, try using this idea by putting maize husks through a grinder or mill to obtain powder. Rice husks, wood shavings and other dry organic materials can also be used.

1. Fit a narrow bamboo or plastic pipe at the base, going into the centre to act as an air inlet (A). Balance or hold in place a wider bamboo tube or pipe in the centre of the stove and tightly pack sawdust around this until the stove is filled (B). Remove the pipes very carefully by slowly twisting them. Place four bricks on the top to hold a pan. Light the sawdust at the bottom by first dropping in some paper and then a lighted match. If too much air is entering through the air inlet hole and the stove is too hot, partly close the inlet with a brick or stone (C).




2. Once lit, the stove will produce a great deal of heat and burn for up to six hours. It may be useful to place a flat piece of metal with a hole cut in it, on top of the sawdust. This metal plate drops down as the sawdust burns and helps to ensure even burning.

Methane digester

Many Footsteps readers have asked for information about methane digesters over the years. Until now we have not been able to pass on much useful information for small-scale digesters. However, this design by Charlie Forst of ECHO is for a simple household unit that requires the manure from three or four cows or buffaloes or six goats and will produce enough gas for cooking and lighting for a whole family.

The idea behind the use of methane digesters is to capture the methane gas released from animal manure so that it can be used for household gas –

tilz.tearfund.org/...Alternative+fuels.htm - Preview

sawdust gasification

20 Jul 09

Cutaway Diagram of the Anila Stove | BioEnergy Lists: Biomass Cooking Stoves

Cutaway Diagram of the Anila Stove
Submitted by Tom Miles on 16 November 2008 - 5:29pm
Last updated November 16, 2008
Cutaway Diagram of the Anila Stove

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06 Jul 09

:: UDOP - União dos Produtores de Bioenergia ::

27/06/09 Iniciando em Mini Contratos Futuros BM&F - Webtrading
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udop cana alcool curso

15 Jun 09

YouTube - Downdraft Gasifier Part 3 (HELP...!!!)

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Downdraft Gasifier Part 3 (HELP...!!!)

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gasifier

07 Jun 09

KASAMA KASISI REPORT 2009 | BioEnergy Lists: Biomass Cooking Stoves

Weblinks

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    A forth-coming collection of links and resources about stoves.  About half the world's population cooks on indoor fires that give off poisonous gases and account for the fourth cause of death of childen under five years old. 



    More explanation coming!

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    <form name="adminForm" method="post" action="http://thinkingglobalactinglocal.com/web-links/36-stoves.html">


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04 Jun 09

The Hindu : Sci Tech / Agriculture : Panchagavya: low cost organic input for both crops and animals

ow cost organic input for both crops and animals

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panchagavya organic fertiliser

  • An acre requires about three litres of PG as spray. If mixed with irrigating water then 20 litres will be sufficient.



    Input details



    The following inputs are required for its manufacture:


    About five kg of fresh cow dung, three litres of cow’s urine, two litres of cow’s milk, curd (made from cow’s milk) and toddy each, 500 gm of cow’s ghee, three litres of sugarcane juice and tender coconut water each and 12 bananas. Cow dung and ghee are mixed well in a plastic drum and covered with a lid. For three days the mixture should be stirred well once during the morning and evening. On the fourth day all the other inputs are added and stirring continued for 15 days.



    Shelf life



    On the 18th day, PG solution can be used either as a spray (after filtering) or along with irrigation. PG made by this method can be stored for nearly six months.


    At regular intervals tender coconut water, sugarcane juice or jaggery diluted in water must be added and stirred well. In the unavailability of sugarcane juice about 500 gm of jaggery diluted in three litres of water can be used.



    Alternatives



    Similarly in the absence of toddy, two litres of tender coconut water sealed in an airtight plastic bottle for a week (in a week it will transform into toddy) can be used. In the absence of tender coconut water, two litres of black grape juice can be used.


    Apart from crops Dr. Natrajan advocates PG as a medicine for cattle and poultry. “Cows yield more milk (nearly 2 litres more) when they are fed with PG.

01 Jun 09

Biogas plants

    • Biogas plants




      Who can benefit from biogas plant?






      Agricultural companies:


      • Pig farms;
      • Cattle farms;
      • Poultry farms;
      • Crop production companies;
      • Combined type companies.
      • Distillery and bioethanol plants;
      • Brewery plants;
      • Sugar mill;
      • Meet processing factories;
      • Veterinarian and sanitation plants;
      • Starch and treacle plants;
      • Yeast plants;
      • Milk plants;
      • Bakery plants;
      • Chips and potato processing plants
      • Juice and tinned food producers;
      • Winery;
      • Fish processing plants.


      Greenhouse farms.



      Biodisel producers.



      Waste recycling enterprises.



      Municipal waste water treatment plants.



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