ERIC Number: ED221393
Record Type: RIE
Publication Date: 1982-Apr
Reference Count: 0
Jar Test. Operational Control Tests for Wastewater Treatment Facilities. Instructor's Manual [and] Student Workbook.
Arasmith, E. E.
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 Discharge Elimination System (NPDES) level 1 laboratory training skills, this module provides waste water treatment plant personnel with the basic skills and information needed to: (1) successfully run the jar test; (2) accurately record data and observations; and (3) determine proper chemical dosages and mixing times for proper coagulation and flocculation. The teacher's manual contains a statement of instructional goals, lists of instructor/student actitivies and instructional materials, instructional strategies on preparing stock solutions, overhead transparency masters, and student worksheet (with answers). The student manual contains objectives, prerequisite skills needed before starting the module, sources of jar test units, laboratory procedures, and worksheet. (Author/JN)
Descriptors: Chemical Analysis, Instructional Materials, Laboratory Procedures, Postsecondary Education, Sludge, Teaching Guides, Training Methods, Waste Water, Water Treatment
Linn-Benton Community College, 6500 S.W. Pacific Blvd., Albany, OR 97321 ($1. student workbook, $2. instructor's guide).
Publication Type: Guides - Classroom - Learner; Guides - Classroom - Teacher
Education Level: N/A
Sponsor: Office of Water Program Operations (EPA), Cincinnati, OH. National Training and Operational Technology Center.
Authoring Institution: Linn-Benton Community Coll., Albany, OR.
Identifiers: Jar Test
Note: Slide/tape program which accompanies this module is also available from Linn-Benton Community College along with a video cassette.