a worker who uses a scrub brush to clean a surface (usually a floor or deck)
<noun.person>
a brush with short stiff bristles for heavy cleaning
<noun.artifact>
a purifier that removes impurities from a gas
<noun.artifact>
Scrubber \Scrub"ber\ (skr[u^]b"b[~e]r), n. 1. One who, or that which, scrubs; esp., a brush or machine used in scrubbing. [1913 Webster +PJC]
2. (Gas Manuf.) A gas washer. See under {Gas}.
3. (Manufacturing) a device for removing pollutants from a gas stream, especially for removing sulfur oxides from processes burning coal or oil. [PJC]
Scrubber \Scrub"ber\ (skr[u^]b"b[~e]r), n. 1. a stunted or emaciated steer. [PJC]
2. A person who lives in the bush. [Australian] [PJC]
3. A domesticated animal which has escaped and lives wild in the bush. [Australian] [PJC]
EPA said that in the year 2000 ash probably would be 120 million tons and scrubber waste 50 million tons.
Officials said a solution may require the plant to install expensive "scrubber" technology to reduce sulfur dioxide emissions, which currently range as high as 12 to 13 tons an hour during peak power periods.
But only belatedly have studies shown that the scrubber and filter technology that cleans smoke of toxic gasses fails to work on mercury.
Air Products & Chemicals, in a venture with Mitsubishi to provide advanced scrubber technology to power plants, proposes to accept allowances as partial payment.