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Process and assembly to condition sewage sludge by exposure to alternating current electrical field in conjunction with selected additives
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Sludge treated by admixture of a larger volume of pre-treated sludge
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Process and assembly to break down the cellular content of sewage sludge
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Process and apparatus for the treatment of digested sewage sludge
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METHOD AND DEVICE FOR DRYING CLEANING SLUDGE AND DUEEN OR MADE FROM THIS. SOIL IMPROVEMENT AGENT
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Process and device for treating digested sewage sludge
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Process and plant for the stabilisation and sanitisation of sewage sludge
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Appliance for admixing flowable chemicals into a liquid main stream
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Aeration device for dispersing air or other gases into liquids
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Process and plant for the thermal treatment of sludge
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