Water samples taken from homes with a water treatment device that removes nitrate had the lowest mean levels of nitrate (0.56 ± 0.97), compared to those using a treatment device that did not remove nitrate 1.02 ± 2.46, and those not using any treatment device (1.76 ± 3.3) (F = 3.66, p = 0.03).
If you have a saltwater tank, you'll also need a protein skimmer, a filtration device that removes dissolved organics from the water.[3].
That's crucial because sulfur clogs up a vehicle's catalytic converter, the device that removes pollutants from exhaust.
Sulfur produces soot and clogs up a vehicle's catalytic converter, the device that removes other pollutants.
That is crucial because sulfur not only produces soot but clogs up a vehicle's catalytic converter, the device that removes other pollutants.
An alternative to mechanical ventilation is extracorporeal membrane oxygenation (ECMO), which entails drawing a patient's blood and running it through a device that removes carbon dioxide and adds oxygen to it before returning the blood to the patient's body.
January 10 , 1877Oakland, California November 16, 1948 Berkeley, California Frederick Gardner Cottrell, (born Jan . 10 , 1877Oakland, Calif., U.S. died Nov. 16, 1948, Berkeley, Calif ., U.S. educator, scientist, and inventor of the electrostatic precipitator, a device that removes suspended particles from streams of gases.
The electrostatic precipitator -- a filtration device that removes fine particulates -- exploded, Cal/OSHA spokeswoman Erika Monterroza said.
Constructed just a few years after the 1970 Clean Air Act, Bruce Mansfield was the first plant in the country built with a scrubber, a device that removes some toxic smokestack contaminants.
