Vertical transport processes of an acid-iron waste in a MERL stratified mesocosm
The vertical transport of the Fe particles formed after an acid-Fe waste mixes with seawater and the impact of the waste on the trace metal composition of seawater were examined in a stratified tank at the MERL facility of the University of Rhode Island. Two acid-Fe waste additions were made to one...
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| Veröffentlicht in: | Environ. Sci. Technol.; (United States) 1986-01, Vol.20 (1), p.62-68 |
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| creator | Fox, Mary Frances Kester, Dana R Hunt, Carlton D |
| description | The vertical transport of the Fe particles formed after an acid-Fe waste mixes with seawater and the impact of the waste on the trace metal composition of seawater were examined in a stratified tank at the MERL facility of the University of Rhode Island. Two acid-Fe waste additions were made to one of the stratified tanks at concentrations comparable to those observed after the initial dispersion of the waste in the ocean (10 super(5) dilution); a second stratified tank was maintained as a control. The removal of the Fe waste from the water column was due to settling of the Fe particles through the pycnocline; biological transport of the Fe particles was not an important removal mechanism. The kinetic behavior of the Fe particles was different after the two waste additions; gravitational settling was the rate-limiting step after the first addition, whereas flocculation was the rate-limiting step after the second waste addition. The first acid-Fe waste addition apparently altered the properties of the seawater, possibly stripping organic substances from the water column. |
| doi_str_mv | 10.1021/es00143a007 |
| format | Article |
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Two acid-Fe waste additions were made to one of the stratified tanks at concentrations comparable to those observed after the initial dispersion of the waste in the ocean (10 super(5) dilution); a second stratified tank was maintained as a control. The removal of the Fe waste from the water column was due to settling of the Fe particles through the pycnocline; biological transport of the Fe particles was not an important removal mechanism. The kinetic behavior of the Fe particles was different after the two waste additions; gravitational settling was the rate-limiting step after the first addition, whereas flocculation was the rate-limiting step after the second waste addition. 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Sci. Technol.; (United States)</title><addtitle>Environ. Sci. Technol</addtitle><description>The vertical transport of the Fe particles formed after an acid-Fe waste mixes with seawater and the impact of the waste on the trace metal composition of seawater were examined in a stratified tank at the MERL facility of the University of Rhode Island. Two acid-Fe waste additions were made to one of the stratified tanks at concentrations comparable to those observed after the initial dispersion of the waste in the ocean (10 super(5) dilution); a second stratified tank was maintained as a control. The removal of the Fe waste from the water column was due to settling of the Fe particles through the pycnocline; biological transport of the Fe particles was not an important removal mechanism. The kinetic behavior of the Fe particles was different after the two waste additions; gravitational settling was the rate-limiting step after the first addition, whereas flocculation was the rate-limiting step after the second waste addition. 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Sci. Technol.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fox, Mary Frances</au><au>Kester, Dana R</au><au>Hunt, Carlton D</au><aucorp>Univ. of Rhode Island, Kingston</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vertical transport processes of an acid-iron waste in a MERL stratified mesocosm</atitle><jtitle>Environ. Sci. Technol.; (United States)</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>1986-01-01</date><risdate>1986</risdate><volume>20</volume><issue>1</issue><spage>62</spage><epage>68</epage><pages>62-68</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>The vertical transport of the Fe particles formed after an acid-Fe waste mixes with seawater and the impact of the waste on the trace metal composition of seawater were examined in a stratified tank at the MERL facility of the University of Rhode Island. Two acid-Fe waste additions were made to one of the stratified tanks at concentrations comparable to those observed after the initial dispersion of the waste in the ocean (10 super(5) dilution); a second stratified tank was maintained as a control. The removal of the Fe waste from the water column was due to settling of the Fe particles through the pycnocline; biological transport of the Fe particles was not an important removal mechanism. The kinetic behavior of the Fe particles was different after the two waste additions; gravitational settling was the rate-limiting step after the first addition, whereas flocculation was the rate-limiting step after the second waste addition. The first acid-Fe waste addition apparently altered the properties of the seawater, possibly stripping organic substances from the water column.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>22300152</pmid><doi>10.1021/es00143a007</doi><tpages>7</tpages></addata></record> |
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| ispartof | Environ. Sci. Technol.; (United States), 1986-01, Vol.20 (1), p.62-68 |
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| subjects | 052002 - Nuclear Fuels- Waste Disposal & Storage 520200 - Environment, Aquatic- Chemicals Monitoring & Transport- (-1989) Applied sciences CADMIUM CHEMICAL WASTES CHEMISTRY COPPER CORRELATIONS ELEMENTS ENVIRONMENTAL SCIENCES ENVIRONMENTAL TRANSPORT Exact sciences and technology Industrial wastewaters IRON LEAD MANAGEMENT MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES MARINE DISPOSAL MASS TRANSFER METALS PARTICLES PARTICULATES Pollution TRANSITION ELEMENTS VANADIUM WASTE DISPOSAL WASTE MANAGEMENT WASTES Wastewaters WATER CHEMISTRY Water treatment and pollution |
| title | Vertical transport processes of an acid-iron waste in a MERL stratified mesocosm |
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