Reverse Osmosis Biocide: Preventing the Growth of Bacteria and Algae

PO-881 reverse osmosis biocide is a non-oxidizing biocide that is considered to be an ideal membrane biocide and mucous substance stripping inhibitor due to its high efficiency, broad spectrum, and environmental friendliness. It reduces the frequency of reverse osmosis chemical cleaning and extends the service life of reverse osmosis membrane elements.

PO-881 membrane biocide can quickly interact with proteins in biological cells after contact with microorganisms, thereby inhibiting cell respiration and ATP synthesis, leading to the death of microorganisms. This biocide has strong penetration ability and easily penetrates the surface layer of mucous membranes, effectively killing microorganisms in deep layers and sublayers of mucous membranes, preventing the ability of microorganisms to form mucous membranes, and causing them to peel off. It has good stability in the pH range of 5-10 in the feed water, does not contain surfactants, does not produce foam, and does not complex or precipitate with metal ions in water.

Specifications
Features
Usage
Video

Technical Specifications

Appearance: Colorless to light green transparent liquid
Hazard: Slightly irritating
pH (as is): 3.0–6.0
Density (20 °C): 1.02–0.02 g/cm³

Features

Non-oxidizing biocide with rapid and effective bactericidal action
Broad-spectrum biocide: capable of killing common bacteria, fungi, yeast, algae, and other microorganisms in the system
It has a good inhibitory and peeling effect on biofilm
Compatible with all types of membranes
Rapid degradation with no environmental impact
Safe to operate: non-flammable and non-volatile

Usage Method

To achieve maximum sterilization effect, the biocide should be added before the security filter, used once a week, with a treatment time of 30–45 minutes. The online continuous dosage is 4–8 ppm, and the online intermittent dosage is 100–400 ppm. The specific dosage should be determined based on water quality and seasonal changes.
When the RO system is stopped, the biocide solution should be prepared using chemical cleaning and circulated in the system. If the system is heavily contaminated, it should be chemically cleaned first before sterilization treatment. Our technical service personnel will determine the dosage and injection points based on the specific system conditions of your company.

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