Contents
K EY P OINTS ABOUT AFM® FOR REFERENCE ........................................................................................ 3
1.
Description of AFM® ............................................................................................................... 5
1.1. Grades & Particle size distribution ..................................................................................... 5
1.2. AFM® product specifications ............................................................................................. 6
1.3. Chemical Composition by % (all grades) ............................................................................ 7
2.
Description of AFM® product use ........................................................................................... 8
2.1. Filter design ........................................................................................................................ 8
2.2. Type of Water ..................................................................................................................... 8
2.3. Pre-treatment of water prior to AFM® filtration ................................................................ 8
2.4. Back-pressure ..................................................................................................................... 8
2.5. Back-washing ...................................................................................................................... 8
2.6. Bed depth ........................................................................................................................... 9
2.7. Grades ................................................................................................................................ 9
2.8. Carbon ................................................................................................................................ 9
2.9. Flocculants and Coagulants ................................................................................................ 9
3.
Product packaging and delivery ............................................................................................. 10
3.1. Packaging ......................................................................................................................... 10
3.2. Delivery ............................................................................................................................. 10
3.3. Bags and Labelling ........................................................................................................... 10
3.4. Product codes................................................................................................................... 10
4. Commissioning and preparing AFM® for use ........................................................................... 11
4.1. Disinfection of AFM® ....................................................................................................... 11
4.2. Filter bed depth and type of filter .................................................................................... 11
4.3. How to fill a pressure filter with AFM® ............................................................................ 12
4.4. How to fill an RGF filter with AFM® ................................................................................. 14
4.5. RGF Bed Conditioning Procedures .................................................................................. 15
5.
Operational Routines & criteria .............................................................................................. 16
5.1. Turning off and starting up a media bed filter ................................................................. 16
5.2. Decommissioning and commissioning a filter .................................................................. 16
5.3. Run Phase ......................................................................................................................... 16
Dryden Aqua Ltd
Butlerfield-Bonnyrigg,
Edinburgh EH19 3JQ Scotland
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5.4. Filtration performance and grade of filter media ............................................................. 19