Industrial charcoal making
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Charcoal making is an old and honourable trade. Its origins are lost in prehistory and the traditional methods of making it have changed surprisingly little -from ancient times till now. The only new factors are that the simple methodologies have been rationalised and that science has verified the basic processes which take place during carbonisation and spelled out the quantitative and qualitative laws which govern the process.New methods which have been introduced in some parts of the developed world have supplanted the old technology. Their newness does not reside in the principle of carbonisation itself but in the rationalisation of the use of heat, materials handling and labour and in some instances the recovery of by-products from the smoke given off during carbonisation.These 'industrial' methods, for want of an easier name, in contrast to those described in (15) are certainly more complex in almost every way.Since 'new' in the world of advertising is automatically assumed to mean 'better' it is not surprising that there has been an upsurge of interest in these new technologies by the developing world in attempting to increase the availability of charcoal and wood fuels. This Forestry Paper tries to supply a rational answer to the question:- "How can the industrial charcoal making systems make a useful contribution to charcoal production in the developing world?"