Sewage sludge

（重定向自Biosolid）

Desiccation cracks in dried sludge, the hard final remains from a sewage plant.

Sewage sludge refers to the residual, semi-solid material that is produced as a by-product during sewage treatment of industrial or municipal wastewater. The term septage is also referring to sludge from simple wastewater treatment but is connected to simple on-site sanitation systems, such as septic tanks.

单词	Biosolid
释义	Biosolid 英语百科 Sewage sludge （重定向自Biosolid） Sewage sludge refers to the residual, semi-solid material that is produced as a by-product during sewage treatment of industrial or municipal wastewater. The term septage is also referring to sludge from simple wastewater treatment but is connected to simple on-site sanitation systems, such as septic tanks.
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