Generally, the evaluation indicators for black-odor water bodies mainly include four items: transparency, dissolved oxygen (DO), oxidation reduction potential (ORP) and ammonia nitrogen (NH3-N).
PROBEST Secondary Water Quality Monitoring Solutions Help solve drinking water safety problemsBackground of Project-Water quality monitoringAs a new form of urban water supply, secondary water supply greatly alleviates the water demand of high-rise buildings and urban residents, and makes up for the