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Residual Chlorine Reduction of Wastewater Using UV or Dechlorination
In Residual Chlorine Reduction of Wastewater Using UV or Dechlorination, you'll learn ...
- Why it is important to reduce the amount of residual chlorine entering receiving waters from wastewater outflow pipes
- Advantages and disadvantages of dechlorination and ultraviolet (UV) systems
- How dechlorination by sulfonation works
- Options for measuring residual chlorine levels
- Factors that impact the effectiveness of UV disinfection systems
Overview
Preview a portion of this course before purchasing it.
Credit: 2 PDH
Length: 19 pages
Chlorination has been widely used as a germicidal agent in the final treatment of wastewater since the passage of the 1972 Federal Water Pollution Act-FWPA. Changes in regulations are mandating reduced chlorine levels in wastewater outflows since studies have indicated that chlorine can be toxic to aquatic life and harmful to the shellfish industry.
This course will introduce the student to UV disinfection as an alternative, which will totally eliminate the use of chlorine and all concerns about the Total Residual Chlorine TRC levels. The course will also examine the optional dechlorination process, which chemically removes total dissolved chlorine from wastewater before it enters the outflow pipe.
If you are involved with wastewater treatment and you wish to become familiar with dechlorination procedures and UV treatment or you are concerned about reduction of TRC levels, this course will provide you with basic information you will need.
Learning Objectives
Upon completion of this course, participants will be able to:
- Explain how UV exposure affects the cells of infectious agents.
- Identify the basic types of UV reactor configurations.
- Describe the optimum wavelengths and intensities required for germicidal use of UV.
- Analyze wastewater characteristics that affect UV disinfection performance.
- Interpret case studies of existing treatment plants.
- Explain the chemistry of dechlorination by sulfonation.
- Identify the equipment required for gaseous sulfonation.
- Estimate the required daily dosage of SO2.
- Describe the use of sulfite salts in place of gaseous sulfonation.
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 20 questions. PDH credits are not awarded until the course is completed and quiz is passed.
| This course is applicable to professional engineers in: | ||
| Alabama (P.E.) | Alaska (P.E.) | Arkansas (P.E.) |
| Delaware (P.E.) | District of Columbia (P.E.) | Florida (P.E. Area of Practice) |
| Georgia (P.E.) | Idaho (P.E.) | Illinois (P.E.) |
| Illinois (S.E.) | Indiana (P.E.) | Iowa (P.E.) |
| Kansas (P.E.) | Kentucky (P.E.) | Louisiana (P.E.) |
| Maine (P.E.) | Maryland (P.E.) | Michigan (P.E.) |
| Minnesota (P.E.) | Mississippi (P.E.) | Missouri (P.E.) |
| Montana (P.E.) | Nebraska (P.E.) | Nevada (P.E.) |
| New Hampshire (P.E.) | New Jersey (P.E.) | New Mexico (P.E.) |
| New York (P.E.) | North Carolina (P.E.) | North Dakota (P.E.) |
| Ohio (P.E. Self-Paced) | Oklahoma (P.E.) | Oregon (P.E.) |
| Pennsylvania (P.E.) | South Carolina (P.E.) | South Dakota (P.E.) |
| Tennessee (P.E.) | Texas (P.E.) | Utah (P.E.) |
| Vermont (P.E.) | Virginia (P.E.) | West Virginia (P.E.) |
| Wisconsin (P.E.) | Wyoming (P.E.) | |
Preview a portion of this course before purchasing it.
Credit: 2 PDH
Length: 19 pages
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