A process in brewing and wastewater treatment where different levels of aeration are applied to achieve specific results.

विभिन्न स्तरों की वायु संचार प्रक्रिया।

English Usage: "The process of differential aeration improved the quality of the wastewater significantly."

Hindi Usage: "विभिन्न स्तरों की वायु संचार प्रक्रिया ने अपशिष्ट जल की गुणवत्ता में महत्वपूर्ण सुधार किया।"