BIO KLEAN series

Membrane compatible biocides

Organic fouling can occur in membrane systems either during periods where the systems is off-line and not properly preserved or it can occur as fouling during operation, where the feed is contaminated with organics such as humic acid, bacteria, fungi, algae etc.

Norlex Chemicals BIO KLEAN series is a complete range of membrane compatible biocides, that specially formulated for protection of membrane systems.

The BIO KLEAN products protects the system against microorganisms during regular maintenance, shut downs and even in operation.

Using BIO KLEAN products helps avoid biofilm formation and biofouling which increases the running time of the system and prevents biological degradation.


BIO KLEAN B133: Biocide based on DBNPA:

Quick disinfection of contaminated and fouled systems. Boosts the effect of long-term protection biocides. Compatible with most common materials in membrane systems such as stainless steel, polyamide, cellulose acetate and polyamide-urea.


BIO KLEAN B135: Biocide based on CMIT/MIT. VOC free.

Used for preservation and disinfection of membranes.


BIO KLEAN B137: Broad spectrum biocide based on CMIT/MIT. VOC free.

Disinfection and protection of membranes against bacteria, fungi and algae growth. Compatible with most usual NF and RO membranes based on polyamide, cellulose acetate and polyamide-urea.


BIO KLEAN ANTIKLOR: Removal of residual chlorine.

Recommended for chlorine elimination before the membrane system.


An agreement with Norlex amounts to much more than the supply of quality products. We provide service throughout the process in the form of support, knowledge and troubleshooting, so the customer gets a cost-effective solution. Call +45 4594 0994 or send an email to

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