
(from the article `environmental works`) An effective method for removing dissolved organic substances that cause tastes, odours, or colours is adsorption by activated carbon. Adsorption is ...
Found on
http://www.britannica.com/eb/a-z/c/22

A treatment system that removes contaminants from ground water or surface water by forcing it through tanks containing activated carbon treated to attract the contaminants.
Found on
https://www.encyclo.co.uk/local/20094
No exact match found.