ErtelAlsop is the result of the merger of Ertel Engineering and Alsop Engineering. Ertel Engineering was founded by Frederick Ertel in 1932 in New York City. He originally manufactured and sold depth filter media for the pharmaceutical industry. ErtelAlsop is an innovator in the manufacturing of depth filter media and machinery for liquid filtration since the 1920’s. As ...
Distributor in NEVADA (USA).
IWT provides superior technolgies for management of mine-impacted waters - particularly acid mine drainage. The Rotating Cylinder Treatment System (RCTS) is an exeptionally efficient aeration system used for metals removal from contaminated mine waters. IWT also promotes sulfide reducing bioreactors and permanganate passivation for AMD treatment.
based in Reno, NEVADA (USA).
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