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Reverse Osmosis Biocide

Reverse osmosis (RO) biocide is a critical chemical for ensuring the reliable operation of reverse osmosis systems. It exhibits high-efficiency biocidal activity, rapidly and effectively eliminating bacteria, fungi, algae, and other microorganisms to prevent microbial growth and biofilm formation on membrane surfaces. The biocide has a broad-spectrum efficacy, demonstrating significant inhibitory and lethal effects against a wide range of microorganisms. It maintains excellent chemical stability and retains strong biocidal activity under varying water qualities and operating conditions. Furthermore, it is highly compatible with RO membrane materials, causing no damage to the membranes and thereby extending their service life. Additionally, this biocide requires only low dosing rates, is easy to handle, effectively reduces operational costs, and ensures consistent product water quality from the RO system.

Product Details

Reverse Osmosis Biocide

Product Introduction:

This is a high-performance water treatment chemical specifically designed for reverse osmosis (RO) water systems. It possesses strong microbial cell-penetrating capability, rapidly breaking down and disrupting microbial cellular structures to effectively kill and inhibit bacteria, fungi, algae, and other microorganisms in RO equipment, thereby ensuring water quality safety and stable system operation. The product appears as a clear liquid, with a pH (as supplied) ≤ 7.0 and a density (at 20°C) ≥ 1.02 g/cm³.


Product Advantages:

It offers broad-spectrum biocidal activity, effectively addressing contamination by a wide range of common microorganisms. It is compatible with all types of membranes and suitable for use in reverse osmosis (RO), ultrafiltration (UF), nanofiltration (NF), and other membrane systems. It performs reliably across a wide pH range, maintaining consistent biocidal efficacy under varying water quality conditions. The product is readily biodegradable, meeting environmental regulations, and is safe to handle—non-flammable and non-volatile.

Service Industries:

It is widely used in industries such as power generation, chemical processing, pharmaceuticals, and food production.



Reverse Osmosis Biocide

Product IntroductionIts chemical name is 2,2-dibromo-3-nitropropionamide, a highly effective, broad-spectrum liquid biocide. It rapidly kills microorganisms in water—including bacteria, fungi, yeast, and algae—and provides long-lasting antimicrobial efficacy. Its mode of action is unique and does not rely on oxidation.

Product AdvantagesIt provides broad-spectrum biocidal activity, effectively controlling the growth of various microorganisms. It is compatible with commonly used water treatment chemicals and is non-damaging to reverse osmosis membranes. The product is non-persistent in the environment, readily biodegradable at low concentrations after dilution, and leaves no residues or toxic byproducts after use, meeting environmental safety standards.

Product AdvantagesIt is widely used in reverse osmosis systems, industrial cooling water systems, the pulp and paper industry, oilfield water injection, as well as in industries such as furniture, coatings, leather, and textiles. It serves for disinfection, preservation, and prevention of biofilm formation, thereby reducing system corrosion and fouling issues and enhancing production efficiency.


Reverse osmosis biocides generally offer the following common advantages and serve the following industries:

Product Introduction:As a non-oxidizing biocide, it acts rapidly and effectively against microorganisms. It also exhibits a certain dispersing effect on bacterial biofilms (slime). It operates effectively over a wide pH range, is readily biodegradable, and has minimal environmental impact. It offers a cost advantage compared to bromine-based biocides and helps minimize the development of microbial and algal resistance.

Product AdvantagesIt is primarily used in reverse osmosis (RO) systems plagued by biological contamination. It prevents microorganisms from forming biofilms or slime layers on membrane surfaces, thereby avoiding membrane pore blockage and ensuring stable operation and high-efficiency output of the RO system. It also helps maintain consistent water quality and prevents secondary contamination, reduces maintenance costs, and saves energy consumption. Additionally, certain RO biocides can also be used to control weeds, pathogens, and harmful insects in agricultural crops.


Procurement advantages

  • 50

    Sold in more than 50 countries and regions worldwide

    With five branch offices and more than ten representative offices nationwide, covering the entire country, and physical water treatment plants at the source.

  • 16

    16 years of experience in water treatment services

    We offer research, development, production, and sales of chemical reagents, and can customize water treatment reagents according to customer needs.

  • 2000

    Serving more than 2,000 clients

    We have served over 2,000 clients across more than 100 industries, providing comprehensive customized treatment formulas for coagulation, flocculation, decolorization, demulsification, and removal agents.

  • 20000

    Factory area scale

    Strategic partner for water treatment chemical production; a leading water treatment chemical manufacturer; connecting with the global market.

  • 1-hour service

    Reply within one hour of receiving the call

  • Once every 7 days

    Monthly customer follow-ups ensure customer rights are protected.

  • 12-hour response

    Complaints will be responded to within 12 hours and will arrive within 24 business hours.

  • 24-hour service

    Professional engineers provide customized solutions to wastewater problems.

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Customer testimonials

  • Beijing Enterprises Water Group Limited
  • China Nonferrous Metal Mining (Group) Co., Ltd.
  • Nanfang Mining
  • Rongchang Chemical Industry Co., Ltd.
  • Hainan Qinfu Food Co., Ltd.
  • Zhanjiang Chenming Pulp Co., Ltd.
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