Energy and waste
Sir, —R. A. Smitham, writing on the use of waste materials for methane and methanol production, asks when economics will dictate the commercial introduction of such processes. The company I represent markets a methane digester to farmers who have a concentrated effluent problem, i.e. pig and poultry farmers, turning the effluent into valuable methane gas and fertiliser. On a larger scale, the same process can be applied to community sewage (e.g.. Bromley sewage - ), to produce methane and fertiliser. Such products would be well suited
to smaller, non-industrial communities who would like their sewage to give them a financial return. The proposed development at Allandale, for example, could, with this sort of application, supply gas to homes, or electricity to the national grid, and the surrounding farms could benefit from the odourless, sterile fertiliser, which is very high in nitrogen. — Yours, etc., DON OFFWOOD. Ohoka, June 15, 1976.
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Press, 18 June 1976, Page 12
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150Energy and waste Press, 18 June 1976, Page 12
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