Key Points for Antiscalant Selection in Reverse Osmosis Systems – Kerui Chemical Provides Professional Solutions

 Membrane scaling is a major issue affecting water production rate and equipment life in reverse osmosis (RO) systems. Common scales include calcium carbonate, calcium sulfate, barium sulfate, strontium sulfate, and silica scale. Correct selection of antiscalant can effectively delay scaling and extend membrane cleaning cycles.

Kerui Chemical (krhedp.com) offers a series of RO antiscalants with the following advantages:

  • Broad-spectrum scale inhibition: Excellent dispersion and inhibition for calcium carbonate, calcium sulfate, barium sulfate, calcium fluoride, etc., especially suitable for high-hardness and high-alkalinity water.

  • Good compatibility: Compatible with common membrane materials (polyamide composite, cellulose acetate) and flocculants (cationic PAM, etc.), no precipitation or gel fouling.

  • Eco-friendly formulation: Phosphorus-free or low‑phosphorus design meets stringent wastewater discharge standards and reduces post‑treatment burden.

  • Easy to use: Supplied as standard or concentrated solution, can be diluted 10 times or more before dosing; recommended dosage is only 2–6 ppm (based on feed water).

Selection advice: For waters with high barium sulfate/strontium sulfate risk (e.g., mine water, desalination brine), special polycarboxylic‑based antiscalants should be used; for silica scale, dedicated silica dispersants are required. Kerui Chemical provides free water analysis and online dosing design. Visit krhedp.com for details.

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