文档介绍：Small Scale Briquetting and Carbonisation anic Residues for Fuel
Information & Knowledge Management
Technical Information
Small Scale Briquetting
Energy / Environment (E)
Water / Sanitation (W)
Agriculture (A)
and Carbonisation of
Foodprocessing (F)
Manufacturing (M)
Organic Residues for Fuel This module is available in:
English (e)
French (f)
German (g)
Dr.-Ing. Heino Vest (2003)
Spanish (s)
Other:..............................
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Deforestation and firewood shortage are 1. Introductory remarks
growing problems in many countries of the
South. The energy and fuel shortage in The fuel crisis in many parts of the
these countries is not only a problem of developing world caused by an increasing
the rural areas but also of the densely shortage of traditional fuel (firewood,
populated poor margins of medium and charcoal) creates a need for alternative
large cities. While the traditional types of sources of domestic fuel. Agricultural and
fuel (fire wood and charcoal) e forestry residues in rural areas and parts
more and more exhausted, modern fuels of anic waste generated in urban
(paraffin, coal, mineral oil, electricity) are areas (. waste paper) are such
not affordable for the majority of the poor. alternative sources of energy.
At the same time, the generation of Nevertheless, organic wastes from
organic waste in urban areas poses a agriculture, forestry and urban dwellings
growing challenge to the local waste are generally not directly suitable to be
management system. Organic waste (30- used as domestic fuel. Low density,
50% of the total waste) is not only a inconvenient shape, high moisture
problem because of its large volume but content, low calorific value, etc. are some
also because it causes bio-chemical of the hampering factors. Further
reactions on landfill sites leading to the processing such as shredding, densifi-
f