Chemical Engineering October 2014 - 26

Lakos Separation and
Filtration Solutions
Newsfront
large amount of chemical filtration
with minimal amount of pressure
drop in a smaller footprint. Historically,
filters for these applications
used various sized and shaped pellets,
but PuraGRID uses extruded
carbon composites incorporated into
the GridBLOK delivery system.
GridBLOK is a gas-phase airfiltration
medium in the form of an
extruded monolithic block consisting
of a large number of small parallel
cells or channels. GridBLOK
is composed of 100% adsorbent
materials, allowing the entire composite
structure to function as a gas
filter. Due to the large number of
cells in each unit, the contact area
between the adsorbent layer and
the airstream that travels inside
the cells is very large. Further, the
cells are parallel so that the flow
is not obstructed and the pressure
drop across the GridBLOK is very
low. The cellular geometry of the extruded
GridBLOK provides a high
surface area per unit volume, allow3M
Purification
Figure 4: The JPX Series liquid-solids
separation system offers maximum protection
for fluid handling systems from
unwanted solids
ing it to provide more filtration in
a smaller area, according to Muller.
" This is a way to put more filtration
into areas where it couldn't go before
due to limitations on space or
energy consumption [less energy is
needed to blow air through the new
filter] or restrictions due to budgets
that did not permit installation of a
new air-cleaning system. "
In response to similar issues, experts
at Universal Air Filter (UAF;
Sauget, Ill.; www.uaf.com) wanted
to develop an advanced protective,
high-efficiency, chemical-resistant
air filter medium that could resist
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24670
26 ChemiCal engineering www.Chemengonline.Com oCtober 2014
24670 CHE Fast Facts Ad_ThirdSq.indd 1
9/2/14 3:53 PM
Figure 5: 3M Emphase AEX Hybrid Purifier
employs a combination of two types
of media that work together to provide
product purity after clarification when
using a single-unit operation
moisture and microbial growth in
industrial electronic enclosures.
Dan Krupp, director of sales and
engineering with UAF, says the company's
Quadrafoam air filters allow
processors to protect equipment with
fire-resistant, cleanable filters. The
filters offer low pressure drop and
the ability to capture large amounts
of airborne dust in industrial enclosure
applications. The filters are
configured in made-to-size aluminum-framed,
permanent-type cleanable
units for fresh air intake and
exhaust or by themselves in cut-tosize
pads. Quadrafoam II air filters
are designed for harsh environments
and are formulated to withstand
prolonged exposure to high-temperature
and high-humidity environments,
making them long-lasting in
industrial applications.
Filtering fluids
There are as many liquid filtering
applications as there are chemical
processes and while each application
has its own set of challenges,
there are a few commonalities
among them.
For instance, when it comes to
cleaning source water as it enters
the facility, all processors want as
much solids, sand and silt removed
from the water as possible, so they
are looking for highly efficient solutions
in these applications, says
Steve Geisel, regional sales manager
with Lakos Separators and
Filtration Solutions (Fresno, Calif.;
www.lakos.com). His company developed
the JPX Series (Figure 4)
to help solve these problems. This
high-performance,
liquid-solids
separation system uses internal acceleration
to achieve maximum proACCESS
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Chemical Engineering October 2014

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