Health and Safety and Environmental Risk Assessment and Management in Urmia Sewage Treatment Plant by FMEA Method

Health and Safety and Environmental Risk Assessment and Management in Urmia Sewage Treatment Plant by FMEA Method

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Several sewage treatment plants are currently operational in Iran for PERMODELAN KURVA KARAKTERISTIK INVERSE NON-STANDART PADA RELE ARUS LEBIH DENGAN METODE ADAPTIVE NEURO FUZZY INFERENCE SYSTEM (ANFIS) supplying health conditions, better life of people, keeping the environment clean, and retrieval waste water and nutrient materials from collected sewage of houses and industrial units.In sewage treatment plants there are several potential health, safety and environment dangers (HSE dangers) which can cause occupational incident for personnel and through effluent wastewater which can cause soil and farmlands pollution and spread contagious disease.In this paper we recognized health, safety and environmental risks in first module of City of Urmia sewage plant and analyzed them by FMEA risk assessment method.

Totally 29 HSE risks were identified from which 15 risks had high Risk Priority Number (RPN).This study proposed controlling and correctional proceeding for each of these risks.Chlorine gas leakage from disinfection unit of plant and environmental Carcass detection and consumption by facultative scavengers in forest ecosystem highlights the value of their ecosystem services pollution (air and soil) due to the transfer of effluent from the wastewater treatment plant through the open channel to Urmia Lake have the highest RPN for which correctional and controlling approaches are proposed to prevent risks in plant.