IAI utilized an 8 inch diameter auger dredge to remove 25,000 cubic yards of coal ash (or fly ash) sludge from an industrial settling pond at a coal-fired electricity generation plant in Lumberton, North Carolina. The coal ash was dredged directly into geotextile tubes, which were deployed around the perimeter of the same pond. The filled geotextile tubes, … [Read more...]
Coal Ash Projects
IAI provides coal ash (CCR) dredging, dewatering and water treatment services to coal-fired electricity generation plants throughout the U.S. Below are some examples of our coal ash dredging and dewatering projects.
IAI was responsible for dredging approximately 20,000 cubic yards of coal ash (or fly ash) from a pond at a power plant in Tonawanda, New York. Hydraulic dredging of the 7.3 acre pond was completed over a 5 week period. The dredged material was dewatered using a Total Clean System. Effluent from the Total Clean unit was injected with polymer, then allowed to … [Read more...]