अपशिष्ट जल का उपचार का अर्थ (treatment of wastewater meaning in Hindi)
Author : इंडिया वाटर पोर्टल
अपशिष्ट जल का उपचार का अर्थ (treatment of wastewater meaning in Hindi)
Wastewater treatment: Any of the mechanical or chemical processes used to modify the quality of wastewater in order to make it more compatible or acceptable to humans and the environment.