Corrosive-Resistant Process Filters
Mott offers four types of HyPulse® liquid-solid process filters for high temperature and corrosive environments.
LSI filters incorporate proprietary inside-out filtration technology. After each cycle, solids are backwashed off the inside of the elements and discharged as a concentrated slurry or wet cake. LSX filters provide uninterrupted filter cycle performance through cross-flow filtration. Slurries flow through the filter elements, allowing filtrate to exit the system on a continuous basis while particulates remain in the recirculating stream. LSP filters offer conventional outside-in filtration for polishing streams with solids concentrations of less than 100 ppm. LSM filters place inside-out filtration within a double open-ended design which is ideal for high-density solids or solids concentration.

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Literature & Data Sheets
Typical Applications
- Valuable catalyst recovery, such as carbon-based precious metal, slurry oil, activated carbon, organic salts, Raney nickel, copper chromite, and other catalyst recovery applications.
- High temperature, corrosive liquid filter applications
- Reducing worker exposure to hazardous chemicals
- Continuous loop reactors
- Concentration of radwaste
- Ion exchange filtration
- Continuous filter processes
LSI Filter Overview
LSI Filters from Mott incorporate inside-out filtration for better backwashing and reliability.
Process Filtration Overview
A comprehensive overview of Mott's offerings for process filtration applications.
Mott Process Design
Process Filtration Design Process. Filter Feasibility, Pilot Testing, Engineering Design, Filter System Fabrication, Operational Support
Elements Cleaning Guide
Our systems are designed using a graded design approach. This approach includes filter feasibility testing, pilot testing, engineering design, filter system fabrication, and operational support.
Filter Feasibility Testing
Filter feasibility testing and application analysis for liquid and gas filtration processes.
Product Specs
Vessel Diameter |
Common Diameters – 4” to 72” diameter vessels are common to accommodate a wide range of flow rates. Custom vessels are available upon request, consult factory |
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Filtration Efficiency |
Media grade elements down to 0.2 um are available to capture even the smallest particles in your process for a purer end product. |
Material Choices |
Common filter element alloys – 316L SS, 310 SS, Hastelloy C-276, Hastelloy X, Monel 400, Nickel 200, Inconel 600 Common vessel alloys – 316L SS, Inconel, Hastelloy Other alloys are available, consult factory |
Operating Temperatures |
Alloys with temperature resistance up to 1400 degrees Fahrenheit are available. Custom alloys available to accommodate unique operating temperatures, consult factory |
Cleaning |
Mott LSI filters for chemical processes are designed for clean-in-place performance, meaning filter elements can discharge cake build-up without having to open the filter for maintenance. Once a terminal pressure drop has been reached, the cleaning cycle automatically initiates to discharge cake build-up through gas assisted pulse or through a backwash cycle. Particles will embed in the filter media over time, requiring the elements to be cleaned by a third-party company. Various cleaning techniques can be used to prolong life of the elements. For a recommendation of a cleaning company, please contact a Mott representative. It is recommended you keep a spare set of filter elements to continue operations while elements are being cleaned. |
Videos & Articles
The Mott Filter Design Process
- Filter Feasibility Testing – In our Customer Innovation Center, we will replicate, or very closely correlate, your process conditions to determine the appropriate media grade and material for your application. We will provide you with a comprehensive, in-depth analysis to prove the feasibility of using porous metal in your process and furnish you with a comprehensive ROI justification.
- Pilot Testing – As an option, we can install a pilot unit in your facility enabling you to witness, first-hand, how our filters will perform in your process stream and under your actual operating temperatures and pressure conditions.
- Front-End Engineering Design – Our Front-End Engineering Design (FEED) process provides you with a complete process engineering package, including vessel drawings, a preliminary equipment layout drawing, piping and instrumentation diagram, process flow diagram, valve and instrument list, and a detailed process functional description.
- Fabrication – When it comes to fabricating your system, we can handle as much or as little as you need – from fabricating only the filter vessel, to providing a complete turnkey skid system.
- Operational Support – When your filtration system is complete, our professionals can provide equipment commissioning and startup services, training, ongoing technical support and quality assurance testing for the life of your system.
Depending on your needs, Mott can provide just the filter elements, a vessel and elements, or provide you a full turnkey system with the vessel, frame, piping, instruments, and controls
Relevant Services
Filter Feasibility Testing – Want a recommendation on the correct filter media, alloy, and backwash frequency for your process? Coordinate with a Mott representative to send a sample of your feed stock to our lab to determine the correct filtration design for your process.
Preventative Maintenance Cycles – Consult with a Mott representative about utilizing a pre-determined lab testing and cleaning schedule to avoid costly downtime.
Engineering Support – Utilize our expert project engineers to design the right filter elements to maximize flow and particle capture.
Destructive Element Analysis – Send us one of your elements for various analyses to determine the remaining lifetime and filtration efficiency of your filters.