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backwash |
Also found in: Encyclopedia, Wikipedia, Hutchinson | 0.03 sec. |
backwash [ˈbækˌwɒʃ] n 1. (Earth Sciences / Physical Geography) a sucking movement of water, such as that of retreating waves Compare swash 2. (Transport / Nautical Terms) water washed backwards by the motion of oars or other propelling devices 3. (Engineering / Aeronautics) the backward flow of air set up by an aircraft's engines 4. a condition resulting from a previous event; repercussion vb (Clothing, Personal Arts & Crafts / Textiles) (tr) to remove oil from (combed wool) An even layer of water that moves along the sea floor from the beach through the surf zone and caused by the pile-up of water on the beach from incoming breakers. ThesaurusLegend: Synonyms Related Words Antonyms
Translations backwash [ˈbækˌwɒʃ] n (of waves) → risacca; (of ship, aircraft) → risucchio (fig) (repercussions) → strascico, ripercussione f backwash [ˈbækˌwɒʃ] n (of waves) → risacca; (of ship, aircraft) → risucchio (fig) (repercussions) → strascico, ripercussione f How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A new screen filter replaces the previous sand bed, thereby reducing the backwashing cleaning cycle from 90 sec to 12 sec. Today's systems eliminate the need to chemically clean and preserve the system during non-operating times extending for weeks or even a few months by periodically backwashing the R/O filter with the pure, chlorine-free water previously produced by the system. The mill also decided against using dissolved air flotation (DAF) clarifiers or backwashing pressure filters equipped with metallic filter elements. |
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