Secondary Sewage Treatment Is Distinguished Form Primary Sewage Treatment by The

question 26

Multiple Choice

Secondary sewage treatment is distinguished form primary sewage treatment by the:

• A)addition of bacteria to process organic contaminants.
• B)aeration of liquid effluent following chlorination.
• C)chlorination of the liquid effluent.
• D)removal of inorganic nutrients from the liquid effluent.
• E)separation of the suspended solids from the liquid effluent.