Case Study: Extending RO Membrane Efficiency
Municipal & Industrial Water Treatment | Global
Traditionally, reverse osmosis (RO) plants use string wound or melt blown polypropylene prefilters to protect the more costly RO membranes. During change-out, a stringy, slime-like substance is often found covering the inside of the filter housing. The presence of this substance causes downtime and a mess that requires clean-up by maintenance engineers. Not only is the cleaning experience unpleasant, but the contaminant penetrates the filter cartridges and coats the RO membrane.
Pall’s Claris® Series melt blown filters were tested in place of string wound filters, and the results were outstanding. With the Claris filter cartridge, your facility may no longer experience fouled membranes due to the design and contruction of these filters.
Continue reading below for more informaiton. Scroll down for a free download of the full case study, which details exactly how Claris filters can help your facility.
- Reduced Downtime: Less downtime for cleaning prefilter vessels and costly RO membranes, thus reducing overall costs
- Quality Filters: Claris filters did not unload contaminants, leading to improved RO membrane protection and longer service life
- Reduced Cost: Extended filter life, coupled with lower unit filter cost, can reduce total filtration by more than 50%
- Fewer Filter Change-Outs: Can be reduced by 50% due to longer on-stream life cycle of Claris filters
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Traditionally, Reverse Osmosis (RO) plants use string wound or melt blown prefilters to protect the more costly RO membranes. During change-out, a stringy, slime-like substance is often found covering the inside of the filter housing. The presence of this substance causes downtime and a mess that requires clean-up by maintenance engineers.
Pall’s Claris® Series melt blown filters were tested in place of string wound filters, and the results were outstanding. With Claris filters, concerns that contaminants would pass through the cartridge filters are eliminated. Furthermore, on-stream service life can be extended, thereby reducing filter costs as well as the number of change-outs.
The Claris filter cartridge is manufactured using a highly automated process that produces an extremely consistent product with a low unit cost. The long, on-stream life cycles of the Claris filter are attributed to the high void volume, which provides improved dirt holding capacity. The Claris filter also features a patented extruded fibrous core design.
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Installation of Pall's Claris Cartridge Filters helped a plant save costs and improve the efficiency of their RO membranes and reduce fouling
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