Oxidising Chloro Biocide
Oxidizing liquid biocide and micro-organism control chemical.
RXSOL 3935 – Oxidizing Liquid Biocide & Microorganism Control Chemical
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.
Applications of RXSOL 3935
1. Cooling Water Treatment
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.
2. Once-Through Cooling Systems
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.
3. Reverse Osmosis Pretreatment
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.
4. Wastewater Treatment
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.
5. Water Disinfection
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.
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Handling and Storage
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:
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Use suitable chemical-resistant PPE.
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Avoid skin and eye contact.
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Provide adequate ventilation.
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Use compatible storage tanks, pumps, pipes, and dosing equipment.
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Protect the product from excessive heat and sunlight as recommended.
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Store away from acids, ammonia, reducing agents, and incompatible chemicals.
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Never mix sodium hypochlorite with acids or ammonia, as dangerous reactions and toxic gases can result.
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Follow the manufacturer's recommended storage and handling conditions.
Choosing RXSOL 3935 for Industrial Water Treatment
When selecting an oxidizing liquid biocide for industrial applications, customers should consider:
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Sodium hypochlorite concentration
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Available chlorine specification
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Water chemistry
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Microbiological load
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Required dosage and residual
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Contact time
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Equipment compatibility
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SDS and technical documentation
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Packaging and supply requirements
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Applicable environmental and regulatory requirements
Conclusion
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.
How RXSOL 3935 Works
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.
Benefits of RXSOL 3935
A sodium hypochlorite-based oxidizing biocide such as RXSOL 3935 offers:
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Effective microbiological control
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Oxidizing biocide action
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Liquid-form chemical dosing
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Control of slime-forming microorganisms
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Helps reduce biological fouling
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Suitable for automated dosing systems
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Useful for cooling-water treatment
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Applicable to selected wastewater disinfection systems
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Suitable for selected RO pretreatment applications
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Practical alternative to gaseous chlorine in appropriate applications
RXSOL 3935 for Cooling Towers
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.
RXSOL 3935 for RO Pretreatment
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.
