Autoplay
Autocomplete
Previous Lesson
Complete and Continue
30 Hour Grade 3 and 4 Industrial Wastewater Licensing Exam Prep Course
Welcome
Welcome and Introduction (8:30)
Course Overview (4:06)
Introduction
Download Introduction Module Class Notes
Course Content Overview and Outline (4:58)
The Licensing Exam, Part 1 (5:19)
The Licensing Exam, Part 2 (9:28)
Registering for the Licensing Exam (0:55)
Intermediate and Advanced Level Math for Wastewater Operators
Download Math Notes, Practice Exam Questions (with answers) and the Math worksheet
Introduction to the Math Section (5:53)
Math Review Part 1 (8:26)
Math Review Part 2 (5:46)
Math Review Summary (2:02)
Scientific Notation (5:14)
Decimals and Percentages (2:16)
Calculating Averages (1:34)
Fractions (6:05)
Converting Units of Measure (5:32)
Playing the Game of Math (6:24)
Calculate Area to Paint Buildings and Retention Tanks (7:06)
Calculating Volumes Part 1 (7:21)
Calculating Volumes Part 2 (3:56)
How to Solve Math Word Problems Part 1 (2:38)
How to Solve Math Word Problems Part 2 (9:22)
Metric and English Systems for Units of Measure (4:15)
Rounding and Significant Figures, Part 1 (9:09)
Rounding and Significant Figures, Part 1.1 (2:35)
Rounding and Significant Figures Part 2 (5:43)
Velocity, Flow Rate, and Detention Time (5:26)
Congratulations on Finishing the Math Section - I knew you could do it! (3:54)
Chemistry and Other Properties of Substances
Download Chemistry Notes and Practice Exam Questions with answers
Chemistry Overview (0:54)
Chemistry Introduction to Atoms and Elements (3:48)
Chemistry: Isotopes (5:00)
Chemistry: Introduction to the Periodic Table (1:29)
Chemistry: Periodic Table Rows and Columns (3:58)
Chemistry: How Atoms or Elements Behave (2:43)
Chemistry: Chemical Bonding and Quick Review (1:17)
Chemistry: Making Molecules (4:37)
Chemistry: The Water Molecule and Why it is Unique (4:41)
Chemistry: How Small is a Molecule Anyway (1:20)
Intermediate and Advanced Chemistry for Grade 3 and 4 Operators (3:51)
Atomic and Molecular Weight (4:57)
How Many Molecules? (4:12)
The Mole (3:37)
Solution Strength - Molarity (7:37)
Solution Strength - Normality (10:23)
Solution Strength - Trace Concentrations (mg/l and PPM) (4:15)
Solution Strength - Percent Concentrations (10:06)
Other Physical Properties (2:51)
Equilibrium (3:07)
Solubility - Part 1 - Dissolving solids in water (3:45)
Solubility - Part 2 - A Solubility Example (5:42)
Solubility - Part 3 - Dissolved Gases and Oils in Water (3:48)
Density and Specific Gravity (2:56)
Viscosity (2:03)
Summary and Congratulations on Finishing (4:15)
Laws and Regulations for Wastewater Treatment
Download Laws and Regulations Class Notes and Practice Exam Questions
Overview and Introduction (0:52)
Definitions, Abbreviations, and Acronyms (3:45)
Why do we need Laws and Regulations anyway? (2:40)
Love Canal, Upstate New York (6:10)
Valley of the Drums, outside Louisville, Kentucky (2:00)
Cuyahoga River, Cleveland, Ohio (1:02)
Hinkley, California (3:23)
Formation of the Environmental Protection Agency (2:11)
Where does the EPA start? (3:52)
Protecting Our Receiving Waters (4:41)
Specific Prohibitions (3:34)
Wastewater Sources and Characteristics
Download Wastewater Sources and Characteristics Notes and Practice Questions
Sources and Characteristics Part 1 (6:36)
Sources and Characteristics Part 2 (5:50)
Sources and Characteristics Part 3 (4:01)
State and Local Regulations (7:06)
Operator Training and Certification Requirements (8:21)
How a Municipal Wastewater Treatment Plant Works
Download the "How a Wastewater Treatment Plant Works" notes and Practice Exam Questions (with answers)
Introduction (1:30)
Different Grades of Water (2:29)
Background (5:54)
Lowell Wastewater Introduction (2:52)
A Little History (2:47)
Interceptors and Screw Pumps (1:23)
Preliminary Treatment (1:43)
Bar Racks (0:30)
Primary Clarifiers (1:12)
Primary Treatment - a Deeper Dive (3:41)
Secondary Treatment - Aeration (7:25)
Secondary Treatment - Secondary Clarification (3:34)
Chlorination and Dechlorination (5:39)
Solids Handling (2:31)
Anaerobic Digesters (1:49)
Safety
Download Safety Notes and Practice Exam Questions (with answers)
Introduction (3:49)
Safety Overview (3:00)
Safety Vocabulary and Definitions (5:59)
Safety Basics (3:23)
Laws to Protect Worker Safety (3:39)
Physical Hazards, Infectious Diseases, Confined Spaces, Oxygen Deficiency (9:07)
Dangerous Gases and Liquids (5:55)
Chemical Containment (3:29)
Fire, Fire Safety and NFPA Diamond Identification (4:09)
Electrical Safety (8:26)
Lock Out Tag Out (11:43)
Noise Protection, Safety Programs and Supervisory Responsibilities (2:59)
Waste Prevention and Minimization
Download Waste Prevention and Minimization Notes and Practice Exam Questions
Waste Prevention and Minimization Overview (7:51)
Waste Prevention and Minimization (8:07)
Flow Measurement
Download Flow Measurement Notes and Practice exam Questions
Introduction to Flow Measurement (3:48)
Flow Measurement Overview (5:16)
Flow Definitions and Vocabulary (5:08)
Why is Flow Measured and why is flow measurement important? (2:20)
Open Channel Flow Measurement - Primary Elements (9:25)
Open Channel Flow Measurement - Primary Element Operation and Maintenance (3:52)
Open Channel Flow Measurement - Secondary Elements Part 1 (5:14)
Open Channel Flow Measurement - Secondary Elements Part 2 (5:31)
Open Channel Flow Measurement - Secondary Elements, Operation and Maintenance (6:42)
Closed Channel Flow Introduction (2:12)
Closed Channel Flow Measurement - Differential Pressure Devices (4:37)
Closed Channel Flow - Magnetic Devices (7:03)
Closed Channel Flow Monitoring - Acoustic Devices (4:33)
Calibration (4:27)
Preliminary Treatment
Download Preliminary Treatment Notes and Practice Exam Questions
Preliminary Treatment - Introduction and Vocabulary (4:41)
Preliminary Treatment - Flow Equalization (3:45)
Preliminary Treatment - Screening. - Part 1 (6:34)
Preliminary Treatment - Screening - Part 2 (7:01)
Preliminary Treatment - pH Adjustment - What it is, Mathematical Relationship, and Why pH measurement is required (7:28)
Preliminary Treatment - pH is a logarithmic scale (3:10)
Preliminary Treatment - How pH is measured (3:34)
Preliminary Treatment - pH probe calibration (7:09)
Preliminary Treatment - Problems encountered with pH probes (7:00)
Preliminary Treatment - pH control system types - On - off and Proportional pH control (7:05)
Preliminary Treatment - pH control systems - Controlling pH on the fly (7:09)
Preliminary Treatment - pH neutralization - Design Variations (6:04)
Preliminary Treatment - pH adjustment - Response time and Containment (4:20)
pH Adjustment Summary, Part 1 (7:26)
pH Adjustment Summary, Part 2 (6:55)
Strong acids and bases, Weak Acids and Bases (7:50)
Treatment of Metal Waste Streams
Download Treatment of Metal Waste Streams Notes and Practice Exam Questions (with answers)
Introduction (2:23)
Important Vocabulary (5:39)
Coagulation, Flocculation, and Sedimentation (6:25)
Plating Overview (5:39)
Understanding Plating (4:04)
How to Remove Heavy Metals from Wastewater (3:20)
Hydroxide Precipitation - Overview and Step 1 of the process (7:27)
Hydroxide Precipitation - Step 2 (2:12)
Hydroxide Precipitation - Step 3 (2:01)
Hydroxide Precipitation - Steps 4 - 5 (2:45)
Hydroxide Precipitation - Step 6 and Schematic diagram (6:50)
Oxidation and Reduction Reactions (6:18)
Hexavalent Chrome Removal - Overview (2:32)
Hexavalent Chrome - Treatment and Removal Steps (2:56)
Hexavalent Chrome Removal Summary (1:55)
Introduction to Cyanide Oxidation (4:16)
Cyanide Destruct, How it's Done (2:49)
Cyanide Oxidation Summary, Overall Metals Removal Diagram (2:53)
Settled Solids Removal (2:55)
Solids Dewatering (1:21)
Sulfide Precipitation (7:04)
Treatment of Rinse Waters Containing Precious Metals (3:20)
Math Example #1 (9:08)
Math Example #2 (5:07)
Instrumentation and Controls
Download Instrumentation and Controls Notes and Practice Exam Questions (with answers)
Instrumentation Introduction Vocabulary, and Definitions (6:50)
Session Objectives and Types of Measurement Systems (5:48)
How Sensors Work - ORP and Pressure Sensors (6:12)
How Sensors Work - Level and Temperature Sensors (7:17)
Operation and Maintenance (4:14)
Understanding What Instruments are Telling Us - Part 1 (5:27)
Understanding What Instruments are Telling Us - Part 2 (4:58)
Feedback and Feed Forward Control Systems (5:04)
Industrial Waste Sampling and Monitoring
Download Industrial Waste Monitoring Notes and Practice Exam Questions (with answers)
Monitoring Vocabulary, Definitions, and Overview (3:30)
Monitoring at a Wastewater Treatment facility, Overview and Solids Testing (8:51)
Biochemical Oxygen Demand Testing (10:51)
Temperature Monitoring and Mini Summary (2:42)
Keeping a Wastewater Treatment Plant Running Smoothly (5:46)
When Unexpected Contaminants are Discovered (2:59)
Monitoring for Industrial Wastewater Dischargers (6:11)
Sampling for Industrial Wastewater Dischargers (9:46)
Chain of Custody, Testing by Certified Laboratories (10:16)
Pumping Fluids - Air and Compressed Air Systems
Download Compressed Air System Notes and Practice Exam Questions (with answers)
Introduction to Pumping Fluids (2:10)
Introduction to Pumping Air (2:23)
Compressed Air Systems Introduction (2:46)
What is Compressed Air Anyway? (3:35)
Compressed Air Uses (3:26)
Positive Displacement Compressors (4:53)
Compressed Air Contaminants (2:37)
Oils (5:01)
Moisture (3:43)
Moisture Removal (5:45)
Particles (3:33)
Compressed Air System Configurations (4:35)
Operation and Maintenance (11:36)
Pumping Fluids - Liquid Pumps
Download Pumps Notes and Practice Exam Questions (with answers)
Pumps - Liquid Pumps Introduction (7:56)
Moving Water and other Liquids (5:19)
Vocabulary and Pump Types (4:02)
Positive Displacement Pumps (7:55)
Centrifugal Pumps (3:04)
Understanding Pump Curves (4:47)
Pump General Rules and Troubleshooting (5:04)
Operation and Maintenance (7:18)
Valves
Download Valves Notes and Practice Exam Questions (with answers)
Valves Introduction (2:54)
Ball Valves and Gate Valves (6:50)
Globe Valves and Butterfly Valves (2:33)
Needle, Diaphragm, and Pinch Valves (2:43)
Plug, Check, and Foot Valves (5:02)
Actuated Valves, Control Valves, Regulators and Relief Valves, Seats and Packings (6:33)
Engines
Download Engines Notes and Practice Exam Questions
Introduction (3:37)
Gasoline Engines (5:34)
Diesel Engines (3:59)
Four Stroke Gas and Diesel Engines Summary (4:21)
Download Engines Notes and Practice Exam Questions (with answers)
Two Stroke and Four Stroke Engines (7:08)
Physical Separation and Treatment
Download Physical Separation and Treatment Notes and Practice Exam Questions
Section Introduction (5:08)
Introduction to Filtration (4:30)
Permanent Media Filters (7:11)
Disposable Media Filters (5:14)
Microfiltration (2:00)
Tangential Flow Filtration (7:57)
Ultrafiltration (3:25)
Nanofiltration and Reverse Osmosis (4:53)
A Few Math Examples (1:51)
VOC Removal (2:12)
Air Stripping (4:14)
Carbon Adsorption (11:04)
Ion Exchange (6:42)
Ultraviolet Radiation and Ozone Treatment (4:58)
Dissolved Air Floatation (1:59)
A Few Other Separation and Treatment Processes (3:03)
Operation and Maintenance
Download Operation and Maintenance Notes and Practice Exam Questions (with answers)
Session Introduction (2:31)
Introduction to Operation and Maintenance (6:12)
Maintenance programs at a municipal wastewater treatment plant (3:27)
Basics of Electricity - Part 1 (8:04)
Basics of Electricity - Part 2 (2:43)
Electric Motors - Part 1 (4:56)
Electric Motors - Part 2 (9:16)
Basics of Electricity - Part 3 (4:03)
Management and Administration
Download Management and Administration Notes and Practice Exam Questions (with answers)
Session Introduction (12:33)
Communication (7:31)
Management and Administration of Operation and Maintenance Programs (8:26)
Congratulations and Preparation for the Licensing Exam
Congratulations and Licensing Exam Prep (8:09)
Two Final Thoughts For You (2:46)
Solubility - Part 1 - Dissolving solids in water
Lesson content locked
If you're already enrolled,
you'll need to login
.
Enroll in Course to Unlock