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Total solids in wastewater are comprised of what two components?

  1. Volume and mass solids

  2. Organic and inorganic solids

  3. Settleable and volatile solids

  4. Suspended and dissolved solids

The correct answer is: Settleable and volatile solids

Total solids in wastewater encompass two primary types: suspended solids and dissolved solids. These two categories cover the entirety of solids found in wastewater, which can be measured to assess water quality and treatment efficiency. The components that actually make up total solids are significant for various reasons. Suspended solids are those that do not dissolve in water and can be removed through physical treatment processes such as sedimentation or filtration. Dissolved solids, on the other hand, are those that are soluble in water, requiring chemical treatments for removal. The combination of these types in a wastewater sample provides essential information for operators managing treatment processes. The correct identification of total solids as a combination of these two components plays a vital role in understanding wastewater characteristics and ensuring proper treatment.