Energy and Environment: Characteristics of Water
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Questions and Answers

Protection of pump ______ impellers.

of

Coarse Screens: provide a bar screen with relatively large ______ of 25 mm.

openings

Primary ______ Separate the suspended solids, which can settle by gravity.

clarification

In plain sedimentation tank ______ of suspended solids and 30-35% of the BOD removal can be achieved.

<p>60-65%</p> Signup and view all the answers

Most of the enzymatic reactions involve ______ reactions i.e., addition/removal of oxygen/hydrogen.

<p>redox</p> Signup and view all the answers

In anaerobic reactions – an ______ compound is electron acceptor.

<p>oxidized</p> Signup and view all the answers

Environmental factors influence ______ growth.

<p>microbial</p> Signup and view all the answers

Activated ______ processes (ASPs) ASP is an aerobic, continuous flow, treatment system.

<p>sludge</p> Signup and view all the answers

The organic load (generally coming from primary treatment operations such as ______, screening or flotation) enters the reactor.

<p>settling</p> Signup and view all the answers

Activated ______ is a flocculated mass of microbes.

<p>sludge</p> Signup and view all the answers

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