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Point of Entry Systems

MEL Chemicals have developed multi-functional cartridge systems for arsenic reduction. These products uniquely combine highly efficient ISOLUX™ arsenic adsorption media in practical cartridge designs for convenient application at the point-of-entry

Isolux Point-of-Entry systems are not certified for sale to individual consumers in California. The patented ISOLUX solution effectively reduces arsenic-both arsenic III and arsenic V species-safely. And ISOLUX works without creating unwanted waste containing concentrated levels of arsenic, typical with alternate treatment technologies.

Typical system installation, as pictured, can achieve a mininum of 100,000 gallons of treatment. Higher volumes are possible depending on water quality.

Plus, ISOLUX consistently demonstrates no hazardous waste generation. The arsenic adsorbed on ISOLUX remains fixed, even in acidic or alkaline environments. The media is USEPA TCLP tested for disposal as non hazardous waste via landfill. ISOLUX media is NSF Section 61 certified for use in drinking water systems.

Below is a table detailing the features of the MEL Chemicals Point of Entry System. Further details of the system can be found in the Point of Entry datasheet. Operation and Maintenance manuals for the Point of Entry System to be operated as a redundant or non redundant system are also available for download here.


Point of Entry Systems
Maximum Design Flow Rate 10 gpm (38 Lpm)
Cartridge Size 42" (105 cm)
Number of Cartridges 1 per vessel
Media Bed Residence Time 27 secs
Pressure Drop <30 psi (<206 kPa)
Typical Media Life* 80,000 - 160,000 gal (303,000 - 606,000 L)
Cartridge Disposal via landfill
System Dimensions Footprint Width Footprint Length Height Vessel Diameter
12" (30 cm) 24" (60 cm) 60" (150 cm) 6.625" (16.5 cm)
Number of Vessels 2
Vessel Description 2, 6" (15 cm) OD PVC vessels, 100 psi (689 kPa) rated
Estimated Module Weight As Shipped (dry, no media) In Operation
50 lbs (22.7 kg) 130 lbs (59 kg)
External Piping 1" (2.5 cm) Sch. 40 PVC, glued
Outlet Connection 1" (2.5 cm) PVC, FS
Inlet Connection 1" (2.5 cm) PVC, FS
Totalizing Flowmeter Included Positive displacement, 0.75" (1.9 cm) fittings
Check Valve Included PVC Swing Check, 1" (2.5 cm) FS
Pre-Filter 20" (50 cm), I-micron cartridge




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