Location
Grand Rapids, Michigan
Start Date
14-5-2024 2:30 PM
End Date
14-5-2024 3:00 PM
Description
An Innovative and Cost-Effective Boron Adsorbent Media Authors Ms. Allison Kreinberg - United States - Geosyntec Consultants, Inc. Mr. Rob Ferree - United States - Geosyntec Consultants, Inc. Dr. Duane Graves - United States - Geosyntec Consultants, Inc. Abstract Boron can be an indicator of coal combustion residual (CCR) impacts to groundwater due to its elevated concentration within CCR materials and highly mobile (conservative) geochemical behavior. Groundwater remedial alternatives for boron may be necessary if it is added to the list of assessment monitoring constituents under the Federal CCR Rule (40 CFR 257 Subpart D) or if States elect to regulate boron in groundwater (as in Illinois). Geosyntec has developed a cost-effective, patent-pending media for removal of boron from CCR-impacted groundwater. Geosyntec has evaluated the applicability of this boron removal media by completing column tests using a two-phase treatment system and groundwater collected from two different CCR sites impacted by boron. Testing using groundwater from both sites found that the boron concentrations were reduced from 30 mg/L to less than 2 mg/L. This resulted in a boron loading capacity comparable to those attained by commercially available but more expensive ion exchange resins. Testing was also completed to evaluate boron behavior under post-closure conditions, suggesting that concentrations do not return to pre-closure conditions, and reductions will be maintained long-term. An example application using representative site conditions will illustrate the applicability and cost-effectiveness of this technology.
Document Type
Presentation
Basewood- Boron Remediation Technology
Grand Rapids, Michigan
An Innovative and Cost-Effective Boron Adsorbent Media Authors Ms. Allison Kreinberg - United States - Geosyntec Consultants, Inc. Mr. Rob Ferree - United States - Geosyntec Consultants, Inc. Dr. Duane Graves - United States - Geosyntec Consultants, Inc. Abstract Boron can be an indicator of coal combustion residual (CCR) impacts to groundwater due to its elevated concentration within CCR materials and highly mobile (conservative) geochemical behavior. Groundwater remedial alternatives for boron may be necessary if it is added to the list of assessment monitoring constituents under the Federal CCR Rule (40 CFR 257 Subpart D) or if States elect to regulate boron in groundwater (as in Illinois). Geosyntec has developed a cost-effective, patent-pending media for removal of boron from CCR-impacted groundwater. Geosyntec has evaluated the applicability of this boron removal media by completing column tests using a two-phase treatment system and groundwater collected from two different CCR sites impacted by boron. Testing using groundwater from both sites found that the boron concentrations were reduced from 30 mg/L to less than 2 mg/L. This resulted in a boron loading capacity comparable to those attained by commercially available but more expensive ion exchange resins. Testing was also completed to evaluate boron behavior under post-closure conditions, suggesting that concentrations do not return to pre-closure conditions, and reductions will be maintained long-term. An example application using representative site conditions will illustrate the applicability and cost-effectiveness of this technology.
