Course Objective: To teach learners types of filter, operation and backwashing of granular media filters, and mathematics of filtration process.
This course, part of the Water Treatment Fundamentals bundle, focuses on filtration. 4 Contact Hours (or 0.4 CEUs) will be granted upon completion of this course.
Disclosure: None
Upon completion of this course, learners will be able to:
List…
✓ commonly used filter media types
✓ turbidity causing colloidal matter
✓ turbidity removal requirements
✓ turbidity removal mechanisms in a filter
✓ filter control equipment
Recognize…
✓ problems in multimedia gravity filters
✓ maximum filtration rates
Explain…
✓ head loss effects on filters
✓ filter run termination profiles
Describe…
✓ modes of filter operation
✓ components of a gravity media filters
✓ backwash sequencing
✓ filter media characteristics and selection requirements
✓ air scouring and its effects
Interpret…
✓ turbidity information
Calculate…
✓ daily filter production
✓ filter production/run
✓ filter backwash rate
✓ filter aid dosage
✓ filtration rate
✓ filter loading rate
✓ unit filter run volume (UFRV)
✓ filter media effective size and L/d ratio
Analyze…
✓ filter run profile
Set-up…
✓ a filter assessment or surveillance program
Plan…
✓ a comprehensive performance evaluation
Assess…
✓ deteriorating filter performance
✓ normal and abnormal filter media conditions
A. Types of Filter
1. Driving Force
1.a. Gravity filters
1.b. Pressure filters
2. Filtration Rate and Media Types
2.a. Slow sand filters
2.b. Rapid sand filters
2.c. High rate filters
2.d. Filter media selection for gravity filters
3. Direction of Flow
3.a. Downflow
3.b. Upflow
B. Filter Operation
1. Effluent-Controlled Constant-Rate Submerged Inlet Constant Level Filter
2. Influent-Controlled Constant-Rate Variable Level Filter
3. Influent-Controlled Declining-Rate Variable Level Filter
4. Effluent-Controlled Declining-Rate Submerged Inlet Constant Level Filter
C. Filter Control Equipment
D. Filter Run Profile
E. Filter Backwashing
F. Filter Operation Record Keeping
G. Recognizing Problems in Multimedia Filter Operation
H. Mathematics of Water Filtration
Computations in Filter Operation
FILTRATION QUESTIONS
Course Progress
About Instructor
Course Includes
- 1 Lesson
- 7 Topics
- 1 Quiz
- Course Certificate
