What is industrial process wastewater?

Industrial process wastewater refers specifically to non-domestic wastewater that is generated from various commercial or industrial operations. This type of wastewater can originate from a wide range of activities, including manufacturing processes, quality control activities, and other industrial functions that involve the use of water. It typically contains pollutants that are a byproduct of the specific processes, such as chemicals, heavy metals, or other substances not found in typical residential wastewater.

Option B is correct because it encompasses all the various sources and characteristics of wastewater generated by industries and commercial enterprises, which can vary significantly based on the nature and type of the operations conducted within those facilities.

In contrast, the other options do not accurately capture the broader scope of industrial process wastewater. For example, residential wastewater is confined to individual households, while choosing a definition focused solely on manufacturing might neglect other forms of industrial activity that produce wastewater. Treated wastewater that is suitable for reuse, while important in water management discussions, does not align with the definition of industrial process wastewater, which includes raw wastewater before any treatment has been applied.