sand filter वाक्य
उदाहरण वाक्य
मोबाइल
- That particle size ranges from under 5 �m for diatomaceous filters to well in excess of 50 �m for sand filters.
- Water treatment filters that can be backwashed include rapid sand filters, pressure filters and granular activated carbon ( GAC ) filters.
- The city of Richmond, Virginia attempted to install a slow sand filter in 1832 but the filter did not operate properly.
- Hazen s early work at the Lawrence Experiment Station established some of the basic parameters for the design of slow sand filters.
- Water from the reservoir is treated ( often using slow sand filters ) before being put into supply as London tap water.
- The system was developed from the slow sand filter, a technology that has been used for drinking water purification since the 1800s.
- The filtration rate for mechanical filtration was typically more than 60 times faster than slow sand filters, thus requiring significantly less land area.
- Sand filters become clogged with floc after a period in use and they are then backwashed or pressure washed to remove the floc.
- Much of the early work of hydrobiologists concentrated on the biological processes utilised in sewage treatment and water purification especially slow sand filters.
- To keep a sand filter working, depending on the size of the filter you must clean it as often as once a week.
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