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RXSOL 3935 is an oxidizing liquid biocide and microorganism-control chemical based on sodium hypochlorite. It is designed for microbiological control in a wide range of industrial water-treatment applications, including recirculating cooling-water systems, once-through cooling-water systems, RO pretreatment, wastewater treatment, and water disinfection.
RXSOL 3935 provides a convenient liquid approach to oxidizing biocide treatment and can be used as an alternative to gaseous chlorine in appropriately designed industrial water-treatment systems.
Microbiological growth in cooling-water systems can lead to slime, biofilm, biological fouling, reduced heat-transfer efficiency, and corrosion under deposits.
RXSOL 3935 can be incorporated into a properly designed cooling-water treatment program to help control microorganisms and maintain system cleanliness.
Once-through cooling systems can also experience microbiological fouling. Sodium hypochlorite-based oxidizing treatment can help control biological growth when applied according to system requirements and applicable regulations.
Microbial growth can cause serious biofouling of RO membranes. RXSOL 3935 can be considered for upstream microbiological control where compatible with the overall RO pretreatment program.
Because many polyamide RO membranes are sensitive to free chlorine, adequate dechlorination is generally required before treated water reaches the membrane. The treatment system should therefore be designed and monitored accordingly.
RXSOL 3935 can be used in selected wastewater-treatment and disinfection applications where oxidizing microbiological control is required.
Treatment dosage depends on factors such as organic load, pH, temperature, contact time, water quality, and the required disinfection performance.
Sodium hypochlorite-based products are widely used for disinfection of suitable water streams. Proper dosing and contact-time control are important to achieve the required microbiological reduction while managing residual chlorine.
RXSOL 3935 is a sodium hypochlorite-based liquid oxidizing biocide formulated to control microorganisms in industrial water systems.
Its available chlorine chemistry helps control bacteria, algae, slime-forming organisms, and other microbiological growth that can contribute to biofouling, deposits, and operational problems.
The product is suitable for treatment programs where reliable microbiological control is required through controlled chemical dosing.
Oxidizing liquid biocide
Sodium hypochlorite-based formulation
Effective microorganism-control chemical
Suitable for industrial water treatment
Useful for recirculating cooling-water systems
Suitable for once-through cooling-water applications
Applicable to selected RO pretreatment systems
Suitable for wastewater-treatment applications
Can be used for appropriate water-disinfection processes
Convenient liquid dosing
Suitable for automated chemical-feed systems
RXSOL 3935 uses sodium hypochlorite chemistry to provide available chlorine in aqueous systems.
Depending on pH, available chlorine exists primarily as hypochlorous acid and hypochlorite ion. Hypochlorous acid is an effective antimicrobial species that can oxidize and disrupt essential cellular components of microorganisms.
This oxidation mechanism helps control microorganisms in properly managed industrial water-treatment systems.
A sodium hypochlorite-based oxidizing biocide such as RXSOL 3935 offers:
Effective microbiological control
Oxidizing biocide action
Liquid-form chemical dosing
Control of slime-forming microorganisms
Helps reduce biological fouling
Suitable for automated dosing systems
Useful for cooling-water treatment
Applicable to selected wastewater disinfection systems
Suitable for selected RO pretreatment applications
Practical alternative to gaseous chlorine in appropriate applications
Cooling towers and recirculating cooling-water systems can provide favorable conditions for microbiological growth.
If uncontrolled, microorganisms may contribute to biofilm, slime, biological deposits, fouling, and under-deposit corrosion.
RXSOL 3935 can be used as part of an integrated cooling-water treatment program designed around system conditions, microbiological monitoring, water chemistry, and the required oxidant residual.
RO membrane systems require effective pretreatment to minimize fouling and maintain membrane performance.
Where sodium hypochlorite is used for microbiological control before RO, the residual free chlorine must be controlled because polyamide RO membranes can be damaged by oxidizing agents.
A suitable dechlorination stage should be incorporated where required, and residual chlorine should be monitored before the water enters the RO membranes.
Oxidising Biocide N3935, Nalco 3935
RXSOL 3935 is a sodium hypochlorite-based oxidizing chemical and should be handled according to the latest SDS and applicable safety requirements.
Important precautions include:
Use suitable chemical-resistant PPE.
Avoid skin and eye contact.
Provide adequate ventilation.
Use compatible storage tanks, pumps, pipes, and dosing equipment.
Protect the product from excessive heat and sunlight as recommended.
Store away from acids, ammonia, reducing agents, and incompatible chemicals.
Never mix sodium hypochlorite with acids or ammonia, as dangerous reactions and toxic gases can result.
Follow the manufacturer's recommended storage and handling conditions.
When selecting an oxidizing liquid biocide for industrial applications, customers should consider:
Sodium hypochlorite concentration
Available chlorine specification
Water chemistry
Microbiological load
Required dosage and residual
Contact time
Equipment compatibility
SDS and technical documentation
Packaging and supply requirements
Applicable environmental and regulatory requirements
RXSOL 3935 is an oxidizing liquid biocide based on sodium hypochlorite chemistry, designed for microorganism control, biofouling management, and disinfection in appropriate industrial water-treatment applications.
It can be used in recirculating cooling-water systems, once-through cooling systems, selected RO pretreatment programs, wastewater treatment, and water-disinfection applications.
For optimum performance, the treatment program should be established according to actual water chemistry, microbiological conditions, system design, required residual, and the applicable RXSOL technical recommendations.
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