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  1. 1980-01-01 This study describes the potential of nutrient recovery from animal wastes in integrated animal feeding systems. The philosophy behind feeding processed animal wastes is based on the fact that coprophagy within the same or other animal species has always existed in nature. The nutritive value of...
  2. 1980-08-01 The work described in this report relates solely to the digestion of vegetable materials for biogas production for small industrial purposes. It was undertaken with the aim of obtaining practical experience in both biogas digester design and operation with the possible application of the process...
  3. 1977-01-01 This report discusses the means by which the natural process of anaerobic fermentation can be controlled by man for his benefit, and how the methane generated by this process can be used as a fuel. 131 pages
  4. Waste oil is a refined petroleum product, which with special handling has considerable potential as an alternative fuel source. THe oven design in this bulletin makes use of waste oil without preheating or mixing with other, more expensive fuels.
  5. 1983-01-01 This report provides information that decision makers would require in order to be able to decide if further investigation of the process is required through a comprehensive feasibility study which would fully consider local conditions, costs and site-specific factors. To this end, the report...