Industrial Water Filters - How to select the one that's right for you!

3 views
Skip to first unread message

Ask Filter Man

unread,
Feb 14, 2007, 10:09:21 AM2/14/07
to Ask Filter Man
There's no doubt that making the right filter choice for your plant
can be a challenge. The right one can save you thousands in ROI,
improve operational efficiencies, help protect the environment and
decrease maintenance costs. The wrong choice can keep you from
achieving optimum results.

In addition to removing the undesirable material from a liquid stream,
the filter you select also needs to meet other criteria. Here are a
few points to help you to achieve your filtration goals...

1) Installed costs must be weighed against operating costs.

2) Waste disposal costs must be considered.

3) Is continuous flow a requirement of the application, or can the
filtration
equipment be operated intermittently?

4) Is working exposure to the process liquid during filter cleaning
or
replacement a problem?

The products being removed from a liquid process stream are as widely
variable as the types of filters designed to remove them.

Products being removed in potable water treatment applications are
often molecular in size. However, many other filtration applications
are concerned with the removal of specific trace solids from a liquid
process stream. Surface-type filters using fibrous cartridges of mesh
screens made of woven wire or fabric are often used in these
applications.

Filtration Methods:
When it comes to filtration methods, there are three basic filter
types to
consider in liquid processing:
1) Self-Cleaning Filters

2) Bag Filters

3) Cartridge Filters

Each category has advantages and disadvantages when compared with the
others. And, each one addresses filtration challenges for different
applications.

Self-Cleaning filters are typically most appropriate for applications
where:

· Flow rates are high

· Filter media replacement costs are high, or

· Exposure of the process liquid to workers or the environment is
undesirable.

They can be used to remove suspended solids of approximately one
micron and larger from all types of liquid process streams.

Bag and Cartridge filters can both remove suspended solids for
applications with lower flow rates, where:

· Exposure to the process liquid is not a problem

· Lower volumes of solids must be removed.

Bag and Cartridge filters are roughly equivalent in price, although
self-cleaning systems tend to cost more initially. However, users
should consider the total operating costs of the filtration system,
not merely the initial purchase price.

Media replacement, disposal costs, labor costs, and downtime should
all be included when evaluating filtration systems.

For more information on how we can help you with your filtration
challenges, just visit Ronningen-Petter (Eaton Corporation) today! For
questions about industrial liquid filtration, visit
http://www.ronningen-petter.com/Ask-Filter-Man-Blog.asp.

Reply all
Reply to author
Forward
0 new messages