Tag: #aerobicbacteria
-

-

EK General Oct 2024 (Q5)
Describe, with the aid of a sketch, the operation of a biological sewage treatment plant (10) 10 marks Oct 2024, Oct 2022 Sewage system Oct 2024 (Q5)
-

EK General Oct 2020 (Q5)
(a) Describe the principle of operation of a biological sewage treatment plant. (4) (b) Explain how anaerobic conditions can occur within a sewage treatment plant, stating the hazards that may be encountered. (4) (c) Explain the meaning and significance of the term biological oxygen demand. (2) Sewage system Oct 2020 (Q5)
