SUEZ Water - Water Technologies & Water

Reduce bacterial growth and slime with advanced non-oxidizing biocides

Reverse osmosis (RO) systems are favorable environments for microorganisms to thrive. SUEZ’s BioMate* products are non-oxidizing biocides that are highly effective in reducing bacterial growth and the build-up of slime on a variety of membrane types.

BioMate membrane biological control (MBC) products are EPA registered non-oxidizing biocide for sanitizing RO and ultrafiltration (UF) systems and membranes. Most effective as bactericides, they will also control fungi and algae when used at higher dosages. A treatment program using products from both BioMate and Kleen* will result in more effective membrane cleaning and decreased cleaning frequency.

What are the differences between Oxidizing and Non-Oxidizing Biocides?

A RO unit's reliability is an important consideration for anyone dependent on its smooth operation. Treatment chemicals like biocides for water treatment can be an imperative part of a comprehensive maintenance program to improve reliability and reduce operating costs. SUEZ combines its complete chemical treatment offering, engineering tools, laboratory capabilities, and technical expertise to improve membrane separation processes and help achieve optimized membrane element asset performance and results. Microbiological growth requests treatment by either oxidizing biocides or non-oxidizing biocides.

The function of oxidizing biocides is to “burn” reduced compounds like proteins, lipids, or fatty acids. The burning of the compound damages the cell membrane and essential cell machinery. Common oxidizing biocides include chlorine gas, sodium hypochlorite, chlorine dioxide, and bromine.

The function of non-oxidizing biocides, like the BioMate MBC products, is to help with slime penetration, high efficiency film fill, intermittent feed, and process contamination. These non-oxidizing biocides are based on either isothiazoline or DBNPA (2,2-Dibromo-3-nitrilopropionamide) chemistries. All products are approved for compatibility with standard RO membranes with decomposition processes yielding benign by-products.

SUEZ’s broad range of non-oxidizing biocides help control:

  • Algae
  • Biological slime
  • Sulfate-reducing bacteria
  • Biofilms formation

SUEZ's Biocide Chemicals

SUEZ’s non-oxidizing biocides are highly effective in reducing bacterial growth and slime build-up on a variety of membrane types. SUEZ’s BioMate MBC biocides for membrane systems include:

BioMate MBC781: EPA registered, non-oxidizing biocide used to sanitize reverse osmosis (RO) and ultrafiltration (UF) systems and membranes.

BioMate MBC881: used to reduce slime build-up in RO and UF membranes. A treatment program that includes BioMate MBC881 with Kleen MCT882 and either Kleen MCT511, Kleen MCT442 or Kleen MCT411 will result in more effective membrane cleaning and decreased cleaning frequency.

BioMate MBC2881: contains a higher concentration of ingredients and is used in the same manner as BioMate MBC881.

BioMate MBC2881E: non-oxidizing biocides approved from NSF to be used only offline to sanitize the RO membrane producing permeate for human use.

Non Oxidizing Biological Control Features

  • Reduced unscheduled downtime and operating costs
  • Increased efficiency
  • Reliable production and supply
  • Maximum water recovery (less wastewater) at highest permeate quality
  • Extended membrane life
  • Minimal chemical handling
  • Effective sanitation of RO and other membrane water treatment systems
  • Compatible with thin film polyamide, polysulfone, and PVDF membranes
  • May be fed continuously, intermittently, or in an off-line clean-in-place mode

For more information on Non-Oxidizing Biological Control Chemicals please contact the experts at SUEZ today.

*A trademark of SUEZ. May be registered in one or more countries.


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