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A platform for research: civil engineering, architecture and urbanism
Removing arsenic from groundwater
To meet the new arsenic MCL, Albuquerque, N.M., will construct its first arsenic treatment facility.
Three treatment technologies for removing arsenic from groundwater in Albuquerque, N.M., were compared: ion exchange (IX), iron hydroxide coagulation followed by microfiltration (C/MF), and activated alumina (AA) adsorption. For an 8,700‐m3/d (2.3‐mgd) arsenic treatment facility, capital costs of the three processes were similar: $5.2 million, $4.1 million, and $4.6 million, respectively. Annual operations and maintenance costs were $447,000, $273,000 and $444,000, respectively. The principal differences were the result of large salt requirements for the IX process and the need to reduce the pH to 6 for AA adsorption, followed by base addition to stabilize the water. The C/MF system was selected for a demonstration facility in Albuquerque.
Removing arsenic from groundwater
To meet the new arsenic MCL, Albuquerque, N.M., will construct its first arsenic treatment facility.
Three treatment technologies for removing arsenic from groundwater in Albuquerque, N.M., were compared: ion exchange (IX), iron hydroxide coagulation followed by microfiltration (C/MF), and activated alumina (AA) adsorption. For an 8,700‐m3/d (2.3‐mgd) arsenic treatment facility, capital costs of the three processes were similar: $5.2 million, $4.1 million, and $4.6 million, respectively. Annual operations and maintenance costs were $447,000, $273,000 and $444,000, respectively. The principal differences were the result of large salt requirements for the IX process and the need to reduce the pH to 6 for AA adsorption, followed by base addition to stabilize the water. The C/MF system was selected for a demonstration facility in Albuquerque.
Removing arsenic from groundwater
Chwirka, Joseph D. (author) / Thomson, Bruce M. (author) / Stomp, John M. III (author)
Journal ‐ American Water Works Association ; 92 ; 79-88
2000-03-01
10 pages
Article (Journal)
Electronic Resource
English
Coagulation , Arsenic , Salts , Activated Alumina , Iron , Costs , Ion Exchange , Microfiltration , Groundwater , pH , Adsorption
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