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The Nari Ethanol Stove: Low-concentration ethanol stove for rural areas in India

Nimbkar Agricultural Research Institute (NARI), have designed a low-concentration ethanol stove for rural areas in India. According to them to the best of their knowledge no stove running on 50 % ethanol-water mixture has been developed. Hence, many of the concepts used in this stove are very novel. The basic layout of the ethanol stove is:.

  • The burner is the heart of the stove. It vaporizes the ethanol-water mixture just before combustion. A preheating step is required to cold-start the stove (as is required by the presently-used kerosene stoves). The resultant clean flame burns with a yellowish-orange colour


  • The jacket provides the turbulence required for complete combustion of the ethanol vapour. The flame can be regulated easily by the flame-regulating valve. The extent of flame regulation it provides is roughly comparable to that of the conventionally used LPG stoves.

  • In order to get a precise range of stove capacity a pressure- regulating valve has been introduced in the stove design. The PRV is of a diaphragm type and regulates the flow rate of fuel over a large range of tank pressures.

  • If the fuel tank is filled with 1.8-2 l of fuel and is pressurized up to 150 kPa by the hand-pump attached to the fuel tank, the stove can be operated for a continuous period of two hours without
Read the details of this stove here

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User:James Robinson 13 April 2007

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Page created: 13 April 2007; Last edited: 13 August 2008; Version: 2
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Pagename: NariEthanolStove @HEDON: UHEA