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Filter Cleaning
 

Returning filter membranes to full flux, even with difficult biofouling or complex, mixed foulant residues requires Alconox filter cleaners for reverse osmosis (RO) and ultrafiltration (UF) membrane and module filter cleaning.

From the early days of filter membrane development, Alconox filter cleaners have been there to provide compatible and reliable cleaning on even the most difficult filter foulants.

  • Alconox: Restores flow rates without hazardous caustics.
  • Citrajet: Low-foaming enhanced citric cleaner for difficult scales and silts.
  • Citranox: Enhanced citric cleaner for difficult scales and silts during filter cleaning.
  • Tergazyme: Enzyme active biofouling filter cleaner.

Before: Reverse osmosis membranes must be cleaned to yield required flow through rates - without contaminating food products.

After: After cleaning with Tergazyme brand, diaphragm shows required drop in pressure differential - without an increase in the permeation flow.

 

Which Cleaner Should I Use?

Use this chart to determine which cleaner is recommended for your cleaning application.

Iron Oxide, Metals, Aluminum, Carbonate Scale, Some Polymer, Hydroxides, Other Acid Solubles Silt, Clay, Organic Material, Aluminum, Bio-Film, Some Polymer, Oil & Grease, Alkaline Solubles Silt, Clay, Organic Material, Aluminum, Bio-Film, Blood, Protein Based Soils, Oil & Grease, Bio-Mass Silt, Clay, Organic Material, Aluminum, Heavy Bio-Film, some Polymer, Oil & Grease, Alkaline Solubles
Cellulose, Acetate, & Tri-AC
RO/UF
Citranox,
Citrajet
Alconox*,
Liquinox*
Tergazyme* n/a
Polyamide/aramid
R/O / NF
Citranox,
Citrajet
Alconox,
Liquinox
Tergazyme Alcojet**
Polysulfone & Derivative
U/F M/F
Citranox,
Citrajet
Alconox,
Liquinox
Tergazyme Alcojet
PVDF & PTFE
UF/MF
Citranox,
Citrajet
Alconox,
Liquinox
Tergazyme Alcojet*
Ceramic & Stainless
UF/MF
Citranox,
Citrajet
Alconox,
Liquinox
Tergazyme Alcojet
All Porous Plastic
MF
Citranox,
Citrajet
Alconox,
Liquinox
Tergazyme Alcojet
Polyvinyl Alcohol
Derivative NF
Citranox,
Citrajet
Alconox,
Liquinox
Tergazyme Alcojet*
Polyolefin
UF/MF
Citranox,
Citrajet
Alconox,
Liquinox
Tergazyme Alcojet
* Adjust pH with Citric Acid to membrane manufacturer tolerances.
** Check with membrane manufacturer for approval.
Approved membrane configurations are: Disc & Tube, Spiral Wound, Plate & Frame and Tubular styles.
RO = Reverse Osmosis, UF = Ultrafiltration, NF = Nanofiltration, MF = Microfiltration
 



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