Excerpt from Adding Sodium Hydroxide to Study Metal Removal in a Stream Affected by Acid Mine Drainage In anaerobic wetlands no plant communities are needed to treat amd. Sulfur-reducing microorgan isms reduce sulfate to sulfide and precipitate metals. Because metal sulfides are so insoluble, all but very low levels of metals can be removed from the water. The major disadvantage of using anaerobic wetlands is that amd loading rates must be relatively low to avoid exceeding the rate at which the microorganisms can reduce ...
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Excerpt from Adding Sodium Hydroxide to Study Metal Removal in a Stream Affected by Acid Mine Drainage In anaerobic wetlands no plant communities are needed to treat amd. Sulfur-reducing microorgan isms reduce sulfate to sulfide and precipitate metals. Because metal sulfides are so insoluble, all but very low levels of metals can be removed from the water. The major disadvantage of using anaerobic wetlands is that amd loading rates must be relatively low to avoid exceeding the rate at which the microorganisms can reduce sulfate. Furthermore, anaerobic wetlands are sensitive to temperature because they depend on growth of microorganism populations. Anaerobic wet lands must be insulated to operate during winter in cold climates, and amd loading rates must be reduced during winter to avoid exceeding the system's capac ity to reduce sulfate. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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