My OpenLearn Create Profile
- Personalise your OpenLearn profile
- Save Your favourite content
- Get recognition for your learning
Already Registered?
Tuesday, 19 May 2026, 5:37 PM
Site: OpenLearn Create
Course: Urban Sanitation and Solid Waste Management (UrbanSanWaste_1.0)
Glossary: Glossary
C
chemical oxygen demand (COD)amount of oxygen required to chemically oxidise the organic material in an effluent (4) |