SURVEY AND ASSESSMENT OF TREATMENT EFFICIENCY OF WASTE WATER TREATMENT SYSTEM AT DI AN WASTEWATER BRANCH

Abstract

The study was conducted at Di An Wastewater Branch to survey and evaluate the efficiency of the wastewater treatment system here. The implementation time is divided into two phases: phase 1 from October 1, 2020 - October 7, 2020 and phase 2 from October 8, 2020 - October 14, 2020. Research results show that the wastewater treatment process of the system is highly efficient, specifically the average treatment efficiency of the criteria respectively as follows: color: 94,4%, SS: 98,65 %, COD: 89,45 %, BOD₅: 90 %, NH₄⁺: 95,9 %, NO₃^-: 62,05 %, total N: 84,6 %, Total P: 88,65 %. The most effective treatment process is UV sterilization with actual treatment efficiency up to 99 %.