Sludge (possibly from Middle English slutch 'mud, mire', or some dialect related to slush) [1] is a semi-solid slurry that can be produced from a range of industrial processes, from water treatment, wastewater treatment or on-site sanitation systems.

The meaning of SLUDGE is mud, mire; especially : a muddy deposit (as on a riverbed) : ooze. How to use sludge in a sentence.

2025年1月17日 · Two basic goals of treating sludge before final disposal are to reduce its volume and to stabilize the organic materials. Stabilized sludge does not have an offensive odour and can be handled without causing a nuisance or health hazard. Smaller sludge volume reduces the costs of pumping and storage. Treatment methods

2023年12月4日 · What Is Sewage Sludge and What Can Be Done with It? In this document, "sewage sludge" will refer to wastewater treatment solids generally, and "biosolids" will refer specifically to material that is suitable for land application.

Sewage sludge is the residual, semi-solid material that is produced as a by-product during sewage treatment of industrial or municipal wastewater. The term "septage" also refers to sludge from simple wastewater treatment but is connected …

2025年1月14日 · A growing body of research has shown that the sludge can be contaminated with manmade chemicals known as per- and polyfluoroalkyl substances, or PFAS, which are used widely in everyday items like ...

2025年1月6日 · The terms “biosolids” and “sewage sludge” are often used interchangeably by the public; however, the U.S. Environmental Protection Agency typically uses the term “biosolids” to mean sewage sludge that has been treated to meet the requirements in the EPA’s regulation entitled, “Standards for the Use or Disposal of Sewage Sludge ...

SLUDGE definition: 1. soft, wet soil or a substance that looks like this: 2. soft, wet soil or a substance that looks…. Learn more.

Sludge is a by-product of the wastewater treatment process, consisting of organic and inorganic solids suspended in water. Sludge treatment entails various processes and techniques depending on the sludge’s source and existing contamination levels.

Sludge treatment is critical for environmental protection and resource recovery. The process includes multiple stages: primary and secondary treatment, digestion, dewatering, and disposal or reuse. Strict regulatory adherence is required to manage the risks of treated sludge.