Question

why dried sludge is used as manure

Answer 1

dried sludge is used as manure because when this sludge goes to an aeratic tank it is kept in an erobic conditions so that the bacteria grows and eats all the left out waste. the waste that remain is known as manure because no solid or other materials are remained in the left out waste

Answer 2

Biosolids is a term often used in conjunction with reuse of sewage solids after sewage sludge treatment. Biosolids can be defined as organic wastewater solids that can be reused after stabilization processes such as anaerobic digestion and composting.