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settling tank

a tank for holding liquid until particles suspended in it settle.
1905-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for settling tank
  • The screened wastewater flows into a primary settling tank where it is held for several hours.
  • The spill resulted from an overflow of the ship's fuel oil settling tank during an internal fuel transfer.
  • The first tank flows into a second settling tank, allowing for additional settling.
  • Water used to wash potatoes and asparagus flows into a settling tank to allow dirt and debris to settle to the bottom of the tank.
  • Covers and odor control equipment were also installed at the primary settling tank influent channel.
  • The pretreatment train consists of an in-line static mixer, a settling tank and a clarifier.
  • The impacted groundwater is then routed through a sump and is pumped to a settling tank.
  • The overflow from the settling tank contains the alumina in solution, which is further clarified by filtration and then cooled.
  • The insoluble zinc calcine is separated from the leaching solution in a settling tank.
  • In a settling tank, the iodine containing brine settles to the bottom and the oil rises to the top.
Encyclopedia Article for settling tank

sedimentation tank

component of a modern sewage-treatment system. In a large metropolitan system, waste water is passed through a series of tanks following coarse screening to remove large objects. Grit chambers settle out sand and cinders; primary settling tanks remove heavy organic solids; and aeration tanks mix the incoming sewage with activated, bacteria-rich sludge and fine air bubbles, causing the rapid oxidation of organic matter. Final settling tanks remove the remaining suspended solids from the mixture.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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