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Download full textArasmith, E. E. – 1980
This lesson is the first of a two-part series on anaerobic digestion. Topics discussed include the five basic functions of an anaerobic digester, basic theory of the biological processes involved, basic equipment necessary for digestion, and the products of digestion. The lesson includes an instructor's guide and student workbook. The instructor's…
Descriptors: Instructional Materials, Postsecondary Education, Sludge, Teaching Guides
Arasmith, E. E. – 1980
Composting is a lesson developed for a sludge treatment and disposal course. The lesson discusses the basic theory of composting and the basic operation, in a step-by-step sequence, of the two typical composting procedures: windrow and forced air static pile. The lesson then covers basic monitoring and operational procedures. The instructor's…
Descriptors: Instructional Materials, Laboratory Procedures, Postsecondary Education, Sludge
Arasmith, E. E. – 1981
Designed for individuals who have completed National Pollutant Discharge Elimination System (NPDES) level 1 laboratory training skills, this module provides waste water treatment plant operators with the basic information needed to: (1) successfully run a centrifuge test; (2) accurately read results obtained in test tubes; and (3) obtain…
Descriptors: Instructional Materials, Laboratory Procedures, Postsecondary Education, Sludge
Arasmith, E. E. – 1981
The settleometer test is used to indicate the solids-liquid separation (downtime) capability of sludge, most commonly on activated sludge entering the secondary clarifier and aerobic digesters. Designed for individuals who have completed National Pollutant Discharge Elimination System (NPDES) level 1 laboratory training skills, this module…
Descriptors: Instructional Materials, Laboratory Procedures, Postsecondary Education, Sludge
Arasmith, E. E. – 1980
This lesson is the second of a two-part series on anaerobic digestion. Topics discussed include classification of digester by function, roof design, and temperature range, mixing systems, gas system components, operational control basics, and general safety considerations. The lesson includes an instructor's guide and student workbook. The…
Descriptors: Instructional Materials, Postsecondary Education, Safety, Sludge
Arasmith, E. E. – 1981
The determination of the thickness of a sludge blanket in primary and secondary clarifiers and in gravity thickness is important in making operational control decisions. Knowing the thickness and concentration will allow the operator to determine sludge volume and detention time. Designed for individuals who have completed National Pollutant…
Descriptors: Instructional Materials, Laboratory Equipment, Laboratory Procedures, Postsecondary Education
Arasmith, E. E. – 1982
The jar test is used to determine the proper chemical dosage required for good coagulation and flocculation of water. The test is commonly used in potable water, secondary effluent prior to advanced wastewater treatment, secondary clarifier influent, and sludge conditioning practice. Designed for individuals who have completed National Pollutant…
Descriptors: Chemical Analysis, Instructional Materials, Laboratory Procedures, Postsecondary Education
