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EA Series Filter Presses are among the most efficient means of
liquid/solid separation through pressure filtration; either for
solution filtration or sludge volume reduction. They provide a
simple reliable method of high compaction pressure to compress
and dewater solids into cakes of 25-60% total concentration. This
provides clearer filtrate solutions than systems that only remove
free water.
 For example, in wastewater applications, such as metal hydroxides
and alum sludges, the slurries of wastewater are pumped through
the chambers of the filter press. The filtrate passes through the
filter cloth and the solids are retained. The solids collect on
the cloth, forming an excellent filter. As additional solids are
pumped into the chamber, solids continue to collect until the entire
chamber is full of dewatered solids. At this point the press is
cleaned and recycled.
Applications such as beer or wine may be clarified by pumping
through a filter media like diatomaceous earth or cellulose filter
aid. In the case of filtration, the retained solids are not important.
It is the clarity of the filtrate that justifies the use of the
filter press.
The filter press produces a recoverable solid such as dyestuff,
or precious metals or may be used with the intent of reducing waste
volume. In hazardous material applications, reducing the volume
of waste is critical. A liquid slurry of hazardous metal hydroxide
waste may be reduced from 40 drums of 1% solids to one drum of
40% solids. Such an improvement may economically justify the filter
press in less than one month.
Typical applications include:
- Process Filtration and Plate Washing
- Pharmaceuticals and Biological Filtration
- Chemicals
- Clarification of Processed Fluids
- Municipal Sludge Dewatering
- Reduction of Waste Solids
- Precious Metal Recovery
- Food Processing
- Saline Filtration
The EA Series Line is available in six different sizes for solids
handling ranging from 0.5-300 cubic feet. Thirty-two (32mm) millimeter
gasketed polypropylene plates are standard on all models, making
these heavy-duty presses well suited for applications, which require
leak-free processing. Other standard features include an A36 Epoxy
painted Steel Skeleton, 304 Stainless Steel Bar Wear Strips, Schedule
80 PVC Head Connections, Four Corner Discharge, Hydraulic Closure
System, and Full Six Year Framework Warranty. As with all ErtelAlsop
presses, a full line of media is available.
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