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ERIC Number: ED252418
Record Type: RIE
Publication Date: 1984
Pages: 26
Abstractor: N/A
Reference Count: 0
Trickling Filters. Student Manual. Biological Treatment Process Control.
Richwine, Reynold D.
The textual material for a unit on trickling filters is presented in this student manual. Topic areas discussed include: (1) trickling filter process components (preliminary treatment, media, underdrain system, distribution system, ventilation, and secondary clarifier); (2) operational modes (standard rate filters, high rate filters, roughing filters, filter staging); (3) trickling filter microbiology (biomass, nutritional requirements, metabolism rates, growth and sloughing cycle); (4) trickling filter process monitoring, including the use of laboratory data to aid in plant operations; and (5) operational problems and solutions (focusing on filter flies, high effluent suspended solids, high hydraulic loading rates, icing, in-plant recycle streams, low temperature wastewaters, odors, orifice plugging, ponding, reduction in biological oxidation demand (BOD) removal, and toxic loadings). A list of unit objectives, glossary of key terms, aand 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: Trickling Filters; Unit Processes
Note: For related documents, see SE 045 333-354.