If RO water production decreases, do not decide to replace the membranes based on this symptom alone.
Compile the time the problem began, water production rate, pressure, temperature, relevant inlet/outlet water parameters and maintenance history, then check the feedwater, pretreatment and instruments.
Provide the complete model, quantity and application when requesting a quotation. Technical staff should determine whether adjustment, cleaning or replacement is needed using manufacturer instructions and site conditions.
Information that can be recorded for this inquiry
| Item to check | Information or records | Confirm the application |
|---|---|---|
| Original operating baseline | Water temperature, pressure, flow rate and water quality | Establish a comparison under the same conditions |
| Current changes | Alarm, differential-pressure and water-production records | Narrow the investigation |
| Maintenance history | Cleaning, replacements and upstream changes | Retain clues to the cause |
Does a drop in permeate production mean the membrane must be replaced immediately?
Do not judge from a single flow change. Check the measurements and operating conditions first, then have the relevant technical personnel inspect pretreatment, the membrane stage and downstream requirements. Cleaning or replacement should follow the specific instructions.
Further reading
- RO membrane maintenance and replacement checklist
- Selection, procurement and maintenance resources
- Contact Gudian to check the requirements for this inquiry
Resources organized by Gudian Technology, with AI-assisted editing and completed content review. For preparing requirements and business discussions; confirm the specific configuration, acceptance and site services against model documentation and project conditions.