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ERIC Number: ED252414
Record Type: RIE
Publication Date: 1984
Pages: 60
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Oxidation Ditches. Student Manual. Biological Treatment Process Control.
Nelsen, David
The textual material for a two-lesson unit on oxidation ditches is presented in this student manual. Topics discussed in the first lesson (introduction, theory, and components) include: history of the oxidation ditch process; various designs of the oxidation ditch; multi-trench systems; carrousel system; advantages and disadvantages of the oxidation ditch; aeration of the oxidation ditch; types of aeration used; safety covers for aerator units; clarification; philosophy of clarification; characteristics of sludge settling; mechanical aspects of clarification; role of sludge settling in clarification; solids inventory controls; importance of segmented wasting schedules; and process hints for the oxidation ditch plant. Topics discussed in the second lesson (process kinetics and process control) include: carbon in the environment; carbonaceous oxidation; process control of carbonaceous oxidation; nitrogen and sewage treatment; importance and sources of nitrogen in the environment; concerns with nitrogen; nitrification/denitrification; process control of carbonaceous and nitrogen oxidation; denitrification kinetics; and helpful hints in the operational control of an oxidation ditch. A list of 21 unit objectives, a glossary of key terms, a short list of references, and student worksheet are included. (JN)
Linn-Benton Community College, 6500 S.W. Pacific Blvd., Albany, OR 97321.
Publication Type: Guides - Classroom - Learner
Education Level: N/A
Audience: Students
Language: English
Sponsor: Environmental Protection Agency, Washington, DC.
Authoring Institution: Linn-Benton Community Coll., Albany, OR.
Identifiers: Oxidation Ditches; Unit Processes
Note: For related documents, see SE 045 333-354.