Four ways to separate solids from liquids
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LSI
Filter Cycle
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Inherently
more efficient than
traditional outside-in liquid solids filters, Mott HyPulse LSI filters pass the slurry through the elements from the bottom-up and inside-out, resulting in less heel, minimal loss of filtrate, and easier discharge of solids. |
HyPulse® LSI filters incorporate inside-out filtration, a method and design unique to Mott Corporation. At the end of each filter cycle, solids are backwashed off the inside of the elements and discharged as a concentrated slurry or wet cake.
Distinct LSI benefits include:
- Eliminates cake bridging and associated problems
- Higher surface area to volume ratio
- Allows for cake washing
- Minimizes heel
- High solids discharge capability
- Ideal for recovery of carbon-based precious metal catalysts, activated carbon, organic salts, FCC catalyst from slurry oil, and pre-coat filtration applications
- Rapid turnaround between cycles keeps filter on-line
- Offers ultimate particle retention, backwashability, solids capacity and strength
- Can be used in conjunction with filter aids for difficult filtration applications
Other unique Mott alternatives, HyPulse® LSM filters place inside-out filtration within a double open-ended design. High-density solids are allowed to settle directly into the discharge hopper. LSM filters may be operated on a filter/backwash cycle schedule, or can be used as concentrators in a recirculating system.
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Feed can be introduced at top of the filter
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Allows longer cycles
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Keeps high-density solids from clogging elements
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Achieves higher solids concentration
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Can be used as a cross-flow concentrator or a continuous-loop reactor filter
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Incorporates efficiencies of inside-out filtration
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Ideal for Raney nickel catalyst recovery, and for steady-state continuous operation in critical process applications
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LSM
Process Filter
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HyPulse LSP filters offer conventional outside-in filtration for polishing low solid streams with flows under 100 ppm. Easy to use and maintain, LSP filters provide reliable, permanent filtration that outperforms other types of media in a number of ways:
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Helps reduce operator exposure to hazardous materials
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Easy access to elements from top
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Element bundle is removable as an assembly
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Filter areas up to 2200 ft2, withstands differential pressure up to 500 psi
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Ideal for polishing filter applications, inorganic bromide salts, copper chromite catalyst recovery, and ion exchange filtration applications
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LSP
Process Filter
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HyPulse LSX Process filters provide uninterrupted filter cycle performance through cross-flow filtration. Slurries flow through the open-ended filter elements, allowing filtrate to exit the system on a continuous basis while particulates remain in the recirculating stream. This is the ideal filtration method for slurries with unique particulate characteristics, or for achieving maximum retention of valuable particulates such as expensive catalysts.
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High solids concentration factor
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High cross-flow velocities (5-10 ft/s) keeps solids in suspension
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Filters out finer particulates
- Ideal for operation with continuous loop reactors, concentration of radwaste, and very fine particle separation
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Applicable for batch concentrations or continuous-stage operation
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LSX
Filter Cycle
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LSX
Backpulse Cycle
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The
tangential flow in Mott HyPulse LSX filters make them
especially well-suited to filtering out fine particultes,
which tend to be held in suspension. LSX elements can
be easily cleaned by backpulsing the filter while it
remains on-line.
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