| ESEI Equipment
> Bench-scale Equipment The
ESEI has numerous bench-scale units to evaluate water treatment processes.
While bench-top units are primarily used for prescreening processes the
efficient use of these units can save significant time and money by reducing
operational variables evaluated during pilot testing. The bench-top units
are convenient in that either source water is transported to the laboratory
or the units can be move and operated on-site. A list of bench-scale units
available for operation and evaluation for this project are summarized below
with pictures associated with selected units.
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Two ozone units for evaluation batch and
continuous flow studies of disinfection, disinfection by-product formation
and color, taste and odor removal.
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Two bench-scale GAC test units designed for
rapid small-scale column testing (RSSCT) for evaluating waters under the
Information Collection Rule.
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Ion exchange batch testing units for
evaluation of general or selective ions and natural or synthetic organic
removal.
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Phipps and Bird
jar test units for conduction softening and coagulation, flocculation
and settling studies. The units are used to gain preliminary design
information and to optimize existing plant processes.
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Two flat-sheet bench top membrane units
capable of withstanding pressure to 150 psi. These units are capable of
evaluating two flat-sheet films simultaneously. They are used in
laboratory studies of nano- and ultra-filtration, initial screening of
pretreatment processes and membrane film selection prior to pilot
operations.
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Three Osmonics flat-sheet bench top membrane units capable of
withstanding pressure to 1000 psi. These units are capable of evaluating
two flat-sheet films simultaneously. They are used in laboratory studies
of brackish and salt water desalination, initial screening of pretreatment
processes and membrane film selection prior to pilot operations.
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