Ms Woranuch Pornsanor THE EFFICIENCY OF STABILIZATION POND WASTEWATER TREATMENT COMBINED WITH NATURAL METHODS WITH VARIOUS PLANTS DRAINAGE AREA OF PHITSANULOK WOMEN'S PRISON

Abstract

This research study aims to study the efficiency of wastewater treatment using a stabilization pond combined with natural methods with various plants at the drainage ditch of Phitsanulok Women Prison Institution. By using a purposeful study method focusing on studying and analyzing the integrity and efficiency of the stabilization pond water treatment system together with the use of various plants, it was found that Quality of wastewater entering and exiting the treatment system more efficient The physical characteristics of the water improved. The rotten smell has decreased. When considering the results of the inspection of wastewater samples in the last pond, it was found that most of the quality of wastewater passing through the wastewater treatment system in the last pond of Phitsanulok Women's Prison was of good quality. The effluent is within the standard. Except for suspended solids or insoluble sediments that still exceed the standard value of 73 (the standard valueis no more than 50) and compared with the results of the inspection of effluent samples in July 2020 , it was found that most of the quality of effluent passing through the wastewater treatment system in the last pond of Phitsanulok Women's Prison is within the standard. Although suspended solids or sediments that are insoluble will still exceed the standard, which is 62 , which has decreased from the previous inspection It shows that the wastewater treatment system of the Phitsanulok Correctional Institution works more efficiently.