RoCide-DB20

Summary

Product Identification

• Product Name: RoCide® DB20
• Product Type: Biocide
• Active Ingredient: 20% dibromo nitrilopropionamide (DBNPA)
• Form: Concentrated, fast-acting, non-oxidizing liquid

Operating Limits / Usage

RoCide DB20 is for intermittent use as a biocide or as a membrane cleaner in RO applications. For potable applications, refer to local regulations.

Biocide for Intermittent Use

• Application: On-line biocide for intermittent "shock treatment" to control fouling.
• Dosing: Dose level and frequency to be optimized based on feedwater bacteriological challenges.
• Typical Dose: 50 mg/l for one hour per week.

RO Membrane Cleaner

• Application: First stage of cleaning.
• Dosing: Solutions of 50-200 mg/l, depending on fouling degree.
• Circulation Time: 1-3 hours.
• Addition: Add in batches of 50 mg/l, four times during the circulation period.

Specifications

• Appearance: Clear, light yellow to amber liquid
• pH (as supplied): 2.0-5.0
• Specific gravity (H₂O = 1): 1.2-1.3

Performance Benefits

• Instantaneous antimicrobial activity as a non-oxidizing slimicide and bactericide.
• Kills bacteria, fungi, and algae.
• Certified by the U.S. Environmental Protection Agency for use specifically in RO systems.
• Degrades rapidly and naturally to comply with strict environmental discharge regulations.
• Compatible with polyamide and cellulose acetate membranes.
• Can be used with other Avista cleaners.

Packaging and Storage

• Format: Pail, Drum, IBC tote
• Regional Pack Sizes: 50 lb (Americas/Asia), 500 lb (Americas/Asia), 2500 lb (Americas/Asia), 20 kg (EMEA), 200 kg (EMEA), 1200 kg (EMEA). Drumless or bulk tanker delivery available on request.
• Storage: Store and apply as supplied. Not suitable for dilution with water.

Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror