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The term Producer gas has different meanings in the USA and UK.

Contents

USA

Producer Gas is a generic term referring to:

  • Wood gas : produced in a gasifier to power cars with ordinary internal combustion engines.
  • Town gas : manufactured gas, originally produced from coal, for sale to consumers and municipalities.
  • Syngas : used as a fuel source or as an intermediate for the production of other chemicals.

In old movies and stories, when describing suicide by "turning on the gas" and leaving an oven door open without lighting the flame, they were talking about producer gas. It was odorless and poisonous. Modern 'natural gas' used in homes is far less toxic, and has an onion-like scent added to it for identifying leaks.

UK

In the UK, Producer Gas, also called suction gas, specifically means a fuel gas made from coke or other carbonaceous material. Air is passed over the red-hot carbonaceous fuel and carbon monoxide is produced. The reaction is exothermic and proceeds as follows:

2C + O2 → 2CO

The nitrogen in the air remains unchanged and dilutes the gas, leaving it a very low calorific value. After "scrubbing", to remove tar, the gas may be used to power gas turbines which are well-suited to fuels of low calorific value or spark ignited engines (where 100% petrol fuel replacement is possible) or diesel internal combustion engines where 40% - 15% of the original diesel fuel is still used to ignite the gas 1. During World War II in Britain plants were built in the form of trailers for towing behind commercial vehicles, especially buses, to supply gas as a replacement for petrol fuel.2

Producer gas is useful but requires careful handling because of the high risk of carbon monoxide poisoning.

References

  1. ^ http://www.claverton-energy.com/download/135/
  2. ^ Staff (16 July 1941). "Producer gas for transport". Paliamentary Debates. Hansard. Retrieved on 15 November 2008.
  • Mellor, J.W., Intermediate Inorganic Chemistry, Longmans, Green and Co., 1941, page 211
  • Adlam, G.H.J. and Price, L.S., A Higher School Certificate Inorganic Chemistry, John Murray, 1944, page 309

See also

External links
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