A range of treatment is required to remove hazardous contaminants in wastewater before discharge. The article explains the measurements of the main parameters required in order to operate plants efficiently.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/instrumentation-automation-wastewater-treatment-plants
[2] http://admin.indiaenvironmentportal.org.in/category/author/jaydeep-mukherjee
[3] http://admin.indiaenvironmentportal.org.in/category/journal/everything-about-environment
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage-treatment-plants-stp
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanitation