• Chemical Sector

  Seeking Advice on Cooling Water Treatment Programs

  Posted by Unknown Member on 11/03/2026 at 1:14 pm

  Hi everyone,

  I’m looking for practical advice on industrial cooling water treatment. We run an open recirculating system with moderately hard makeup water, currently using a traditional phosphate-zinc program with bromine biocide.

  We’re evaluating changes to address:

  1. Environmental compliance:​ Increasing pressure on phosphate discharge limits.

  2. Biofilm control:​ Occasional outbreaks in low-flow areas.

  From your experience:

  1. What are effective, more sustainable alternatives to phosphate-based corrosion inhibitors (e.g., all-organic programs, molybdates)? Key factors are cost, reliability, and ease of management.

  2. For biofilm control, which non-oxidizing biocides or biodispersants have proven most effective in similar systems?

  Any insights on operational trade-offs or lessons learned would be greatly appreciated.

  Thanks.

  (Note: I work in the water treatment chemicals sector.)
  https://www.hoochemtec.com/

  

  hoochemtec.com

  Home | Water Treatment Chemical | HOO CHEMTEC

  Enhance Water Quality with Our Premium Water Treatment Chemicals. Trusted Solutions for Optimal Performance and Purity.

  Unknown Member replied 5 months, 2 weeks ago 1 Member · 0 Replies
• 0 Replies

Log In to Reply