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Potable Water - Membrane Filtration
Edward Brunet, Jr., P.E.
Overview
A
membrane is a material capable of separating substances when a driving force is
applied across the membrane. Relative to traditional potable water
treatment processes that focus on liquid-solid separation, membranes are more
effective at removing dissolved contaminants from source water. Thus, the
popularity of membrane filtration has increased as drinking water standards have
become more stringent. While membrane filters were once considered viable
technology only for desalination, they are now increasingly employed for removal
of bacteria and other microorganisms, particulate material, and natural organic
material. As advancements are made in membrane technology, capital and
operating costs continue to decline.
In
this course the student will review the technical brief Membrane Filtration
published by the National Drinking Water Clearinghouse. This course is particularly
relevant to engineers involved in the design and selection of water treating
and/or distribution systems, as well as engineers who are simply interested in
learning more about potable water filtration systems.
The student must take a
multiple-choice quiz consisting of ten questions at the end of
this course to obtain PDH credits.
Specific Knowledge or Skill Attained
This course teaches the following specific knowledge and
skills:
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The types of
membrane filters available (microfiltration, ultrafiltraton, nanofiltration
and reverse osmosis) and their relative merits
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The pore size and
operating pressure associated with each membrane process
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The process,
equipment, operation and maintenance associated with the different types of
membranes
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Selection of the
most appropriate membrane for a given application
Course
Click on the following PDF attachment and
review technical brief Membrane Filtration
published by the National Drinking Water Clearinghouse prior to taking a quiz
for credit.
"Membrane Filtration"
(242 KB)
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To obtain PDH credits for this course, you will need to take a quiz for
credit. Click on the link below.
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