An overview and comparison of sewage sludge management among existing wastewater treatment plants in Da nang city, Vietnam.

Abstract

Wastewater treatment leads to large quantity of sewage sludge which requires appropriate, environment friendly management before final disposal. However, the current management and treatment in Vietnam, especially in Da Nang City is still inadequate and unreliable. Therefore, this research was carried out to assess the current sludge management and knowledge of sludge of staff involved, to compare the ways to manage sewage sludge among wastewater treatment plants in Danang city. and to propose appropriate measures for sewage sludge management. The results of the research are obtained from questionnaire survey, observation survey as well as collected data from every plant.