IAI installed a geotextile tube wall, 11 FT tall and 1,900 FT long, along the perimeter of a coal ash pond, for this project. The geotextile tubes that made up the wall were filled with dredged coal ash from the pond, conditioned with polymer, and pumped into the geotextile tubes at a rate of approximately 1,500 GPM. IAI's team devised a method for … [Read more...]
Coal Ash Dredging, Dewatering & Water Treatment
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.
Meet up with IAI's Dredging & Dewatering team at the World of Coal Ash (WOCA) conference in St. Louis, MO, May 13 - 16, 2019. You will find us in Booth #73 of the exhibit hall, where we would love to talk with you about our experience dewatering coal ash, or CCR. Register for WOCA 2019 To register, and learn more about the World of Coal Ash … [Read more...]
In 2015, the Lower Pond CCR Dredging Project was performed at a power generation station in Lansing, IA. IAI was selected to provide dredging and bypass pumping operations services for the project. IAI utilized our 8-in. diameter auger dredge to remove about 2,000 cubic yards of coal combustion residuals (CCR, or coal ash) from the Lower Pond, to prepare … [Read more...]
Dewatered coal ash after 21 days dewatering in the geotextile tubes IAI was selected by We Energies to remove and dispose of accumulated sediment and coal combustion residuals (CCR) from a pond at the Presque Isle Power Plant in picturesque Marquette, Michigan. IAI provided general contractor services, and self-performed the geotextile tube dewatering … [Read more...]
We are excited to announce that IAI has formed a joint venture with J.F. Brennan Company, called Coal Ash Services. This new partnership will serve as a vehicle for marketing ash management services to coal-fired electricity generation plants in the United States. Recent changes to EPA regulation of coal ash (also called coal combustion products or coal … [Read more...]