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  Newsletter

April
2003

New 16" Diameter Membranes in AMI System

This 400,000 GPD RO System is the first of its kind, using 16" Dia. x 60"Length Thin Film Composite Membrane Elements.
Featured Product:  Media Filtration

AMI carries an extensive stock of media filters & components.  These are available at competitive prices with quick delivery.

Media Filters:
  • Softeners
  • Carbon Filters
  • Media Filters
  • Iron Filters
  • Calcite Filters
  • And More

Components: 
Fleck Valves, Filter Tanks,BrineTanks, Distributors, Bypass Valves and More.

Media: 
Carbon, Ion Exchange Resin, KDF, Greensand, Pyrolox and more.

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Technical Tip by Dr. Dhawan:
Membrane Fouling - Corrective Actions

1.  Check and Fix the Pretreatment
Membrane fouling can result from a number of pretreatment deficiencies or equipment failure.  Some common examples of these are given below.  Check and fix these items as appropriate.

  • Carbon Fines
  • Water Hardness
  • Pre-Filter Breakdown
  • Pre-Filter Too Coarse
  • Pump Impeller Sheds Fines
  • Chlorine Break Through

2.  Change Operating Conditions
Fouling can also be caused by improper system design and maintenance.  The fouling can be minimized by implementing one or more of the below steps.

  • Reduce Recovery
  • Reduce Operating Pressure
  • Change Filters More Frequently
  • Sanitize the Systems Regularly
     
For more technical tips or to have your technical questions answered, visit our new technical site:
 http://www.watertreatmentguide.com
AMI Supplies Seawater RO Systems for Offshore Platform

Two 6000 GPD Complete Seawater Reverse Osmosis Systems were recently commissioned by AMI.  The systems were supplied to a major oil company and were installed on an offshore platform.

   

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