INDION 2811 Acidic Membrane Cleaner

INDION 2811 Acidic Membrane Cleaner  specially formulated cleaner for removing silica, metal silicates, metal oxides/hydroxides, and other colloidal/particulate based foulants from reverse osmosis membranes. INDION 2811 Membrane Cleaner is also effective in removing calcium carbonate, calcium phosphates and silt. It can also help you to reduce expenses by reducing energy requirements to reach required product flow.

  • Highly effective concentrated powder
  • Effectively restores membrane performance deteriorated due to scaling
  • Harsh on foulants but gentle on membranes


To optimise the performance of RO membrane systems cleaning and servicing are required periodically. Using proprietary formulations we manufacture a wide range of cleaning chemicals to make the cleaning of membranes more effective and efficient. It is very important to identify the nature of scales or foulants. Based on this analysis, we offer a range of cleaning chemicals and antiscalant which are designed to remove most of the scales and foul ants and restore the performance of the RO membrane systems.

Product Specifications

  • Appearance: Off white to white powder
  • pH of 2% Aq. solution: <3.0
  • Specific gravity NA
  • Solubility in water: 100 g/l
  • Flash point: 154.2 C

Direction for Use

INDION 2811 Membrane Cleaner should be fed in CIP tank to prepare solution for offline cleaning. The dosage and frequency of addition depends upon the severity of fouling/scaling, typical dosages are mentioned below:-

Routine offline cleaning: INDION 2811 Membrane Cleaner is normally recommended at a dose level of 2% solution to be circulated for one hour at low velocity followed by 1-2 hours soaking then one hour high velocity circulation and permeate flushing. It is used against calcium, silicates, hydroxides and other foulants.

Typically it is recommended to be used after alkaline or biocidal cleaning for better efficacy, however actual cleaning programme may vary and will be suggested by our IE representative after carefully examining your system.

Limitations and Handling

As with all industrial chemicals, care should be taken in its handling and use. Keep the container closed when not in use, the product should not be swallowed and prolonged contact with the skin should be avoided. Wear goggles, face shield and rubber gloves while handling the product. For detailed safety precautions please refer MSDS.

Storage, Packaging & Shelf Life

INDION 2811 Membrane Cleaner  is available in 25 kg pails/bags & 50/200 Kg drums. Shelf life of INDION 2811 is two years under normal handling and storage conditions. It is advisable to keep container tightly closed in a cool place.


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