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ACID ROCK DRAINAGE/METAL LEACHING (ARD/ML) AT COOLEDGE BROOK, MA: FEASIBILITY OF ALTERNATIVE REMEDIAL AND TREATMENT APPROACHES
Locke, J.R. and R.E. Stickles, B.S. Qualifying Project Report, 98 pp, 2019
The feasibility of different options to treat acid rock drainage (ARD) was assessed at the Cooledge Brook site in Northborough, MA. An ex situ active treatment system and an in situ permeable reactive barrier were bench-tested to measure their effectiveness at treating site water. Both tests successfully neutralized the pH of the drainage water from 4.23 to >6, reduced dissolved aluminum concentrations from 40,280 parts per billion (ppb) to <500 ppb and reduced dissolved nickel concentrations from 422.2 ppb to <50 ppb. A pilot-scale design for ex situ active treatment and in situ PRB was developed, and recommendations for future ARD treatment were presented for the Cooledge Brook site. https://digitalcommons.wpi.edu/cgi/viewcontent.cgi?article=7781&context=mqp-all
The feasibility of different options to treat acid rock drainage (ARD) was assessed at the Cooledge Brook site in Northborough, MA. An ex situ active treatment system and an in situ permeable reactive barrier were bench-tested to measure their effectiveness at treating site water. Both tests successfully neutralized the pH of the drainage water from 4.23 to >6, reduced dissolved aluminum concentrations from 40,280 parts per billion (ppb) to <500 ppb and reduced dissolved nickel concentrations from 422.2 ppb to <50 ppb. A pilot-scale design for ex situ active treatment and in situ PRB was developed, and recommendations for future ARD treatment were presented for the Cooledge Brook site. https://digitalcommons.wpi.edu/cgi/viewcontent.cgi?article=7781&context=
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