Dryden Aqua AFM active filter media and mechanical filtration systems

Operating guidelines for AFM filters
		Run phase water flow-rate cubm hr^-1 m²	Air purge all filters at 95 cubm/hr at no more than 0.4 bar pressure	Back-wash water flow cubm hr^-1 m² for grade 1 AFM®	Back-wash water flow duration minutes	(2)Back-wash frequency
Drinking water	optimum	5 - 10	2- 4 minutes	50 - 60	4 - 8	1 to 2 times per day
Drinking water	maximum	10 - 15
Swimming pool	optimum	10 - 15	2 - 4 minutes	50- 60	4 - 8	1 times per week or every second week
Swimming pool	maximum	15 - 30
Sewage treatment and industrial effluent	optimum	1 -5	4 to 8 minutes	55 - 65	2 - 4	4 to 8 times per day
Sewage treatment and industrial effluent	maximum	5 - 15			4 - 8
River, lake and sea water	optimum	5 - 10	4 to 8 minutes	50 - 60	4 - 8	2 to 4 times per day
River, lake and sea water	maximum	10 - 30
Aquaculture	optimum	5 to 15	4 to 8 minutes	50 - 60	4 - 8	2 to 4 times per day
	maximum	10 to 30
Public aquariums	optimum	5 to 15	3 to 6 minutes	50 - 60	4 - 8	1 times per week or every second week
	maximum	15 to 30
Landfill Leachate	optimum	1 to 5	8 minutes	55 - 65	4-8	6 times per day