Sludge-thickening digester capable of denitrification and biogas production, comprises vessel with provisions for recirculation, mixing, and gas off take
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Ultra-fine filtration of agricultural washwater comprises passing water through rotating drum filter
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Vibratory scraper separator for e.g. liquid wastes
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Production of methane-rich biogas useful in diesel engine
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Urine-faeces mixts. disposal and conditioning - by adjusting moisture content, pH etc, pressing to coarse pellet form, and bio-reacting in stacked ventilated containers
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Process for the disposal of liquid manure, sewage sludge and waste as well as device for carrying out the process
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Front-mounted traction jaw coupling system for tractors, with lifting/pressure system for front tyre packers, front rollers and other front-mounted implements
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Front-tyre packers for tractors for consolidating the arable soil between the tractor wheels
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Stubble removing cultivator with discs - which have several identical, segmental prongs with circular periphery and angularly rounded tips
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Ventilating system for cowshed - has sloping side wall with shutter controlled ventilation slots and ventilator at junction with roof
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One man operation cow milking stall - has rows of cows in parallelogram arrangement with heads facing out
