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Backwashing
Backwashing: - Reversing the flow of water back through the filter media to remove entrapped solids. [Environmental Protection Agency] News archive for Backwashing:: |
Arizona Republic,The first 11 pools opened at noon Friday after city workers spent days "hyperchlorinating," and backwashing to clear each pool of any possibility of
11 public pools set to reopen - Jul 20, 2008
Arizona Republic,City workers spent days "hyperchlorinating" and backwashing to clear each pool of any possibility of cryptosporidium. Cryptosporidium is spread through
Phoenix reopens six city pools, others will reopen soon - Jul 18, 2008
KTAR.com,Other pools will reopen in the next few days as crews complete hydrochlorination, backwashing and disinfecting, then stabilize chlorine levels,
Camping Close to Home - Jul 24, 2008
The Chattanoogan,After all, it’s all you can do to keep up with your yard chores, weeding the garden and backwashing the swimming pool during the summer months, right?
Middlesex finds source of false water readings - Jul 23, 2008
Spring Hope Enterprise,Waddell has changed the procedure to include cleaning out this manhole two-to-three days before backwashing and performing this test.
Click on photo to enlarge - Jul 9, 2008
Daily Journal,Clean a sand filter by backwashing: Reverse the flow of water through the filter for 2 to 3 minutes until the wastewater is clear. • For a cartridge filter,
simplypure Whole House Water Filter Outshines Reverse Osmosis - Nov 19, 2007
openPR (press release),The system requires no backwashing, the maintenance is at lowest cost (filter change usually once a year) and it helps prevent corrosion of plumbing and
Miller-Leaman's Ultra-Pure Uf Membrane System - Nov 19, 2007
Chemical Online.com (press release),The Ultra-Pure UF Membrane System has an integrated Maxim controller for backwashing. Triggered by the Trans-Membrane Pressure, the air pulse actuated
Sorting out stains - Nov 8, 2007
iAfrica.com,Remember to rinse after backwashing. If, on the other hand, there are signs of precipitation and scaling, it means that the ph or TA level is too high.
simplypureâ„¢ Whole House Water Purifier Opens Market in US and UK - Nov 6, 2007
openPR (press release),The system requires no backwashing, the maintenance is at lowest cost (filter change usually once a year) and it is perfect if the water source is well
Aussie water-saving device wins international award - Nov 5, 2007
Infolink Architecture & Building,For a sand filter, the water savings can be up to 5000 litres a year through less frequent backwashing. Cartridge filters may only need to be cleaned once
Watch for brown water in NE Shelby County - Aug 16, 2007
commercialappeal.com (subscription),We are now backwashing, basically pushing water back through the system to get that out," he said. "It's not dangerous to drink the water unless you are
Eco-Friendly Pools... do the exist? - Aug 13, 2007
KPNX-12,Typical filters require you backwash to clean it which means you're backwashing that salt water into the environment. Backwashing can use more than 100
Professor POU/POE - Aug 3, 2007
Water Technology Online,An additional note regarding your existing filter: Backwashing filters are not usually installed before the pressure tank. Let’s pick a hypothetical
French Bank Finally Says the Emperor Has No Clothes, Global Stocks ... - Aug 10, 2007
Money MorningFrom a historical standpoint, this kind of periodic “backwashing� of the capital-markets’ pipes is actually a good thing for your investment portfolio.
Removing arsenic contamination from groundwater - Aug 7, 2007
Processing Talk,The system is all automated, utilising a touch screen operator interface, though the Township chose to switch the backwashing function to a manual operation
The joy of koi - Aug 17, 2007
Ithaca Journal,The fish excrete ammonia, so occasional backwashing of the pump is necessary. In natural or spring-fed ponds, you don't have to do anything at all,
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