name two thing that can be excreated from sludge and can be used in agriculture
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The usage of municipal sewage sludge as fuel supports the saving of fossil fuel emission. Sludge is usually treated before disposal to reduce water content, fermentation propensity and pathogens by making use of treatment processes like thickening, dewatering, stabilisation, disinfection and thermal drying.
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Sewage sludge also contains pathogenic bacteria, viruses and protozoa along with other parasitic helminths which can give rise to potential hazards to the health ...
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