Free and Bound Benzotriazoles in Marine and Freshwater Sediments

Article Abstract:

The study of benzotriazoles[BZT] in the sediments of the Pawtuxet River and Narragansett Bay provides important insight into the biochemical availability and the geochemical journey of organic contaminents in sediments and the effect on binding reactions of sedimentary organic matter.

Photographic equipment and supplies, Photographic Film, Paper, Plate, and Chemical Manufacturing, Benzotriazole, Environmental aspects, Photographic industry, Specialty chemicals industry, Marine sediments, River sediments, Organic water pollutants, Organic water pollution, Photographic chemicals, Reddy, Christopher M., Quinn, James G., King, John W., University of Rhode Island

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Bivalent Cations Increase Both the Subpopulation of Adhering Bacteria and Their Adhesion Efficiency in Sand Columns

Article Abstract:

Bacteria adhere more readily to porous media when electrostatic forces when both are more negatively charged. Bivalent cations specifically affect these adhesions. The results of this study are of use for drinking water safety and bioremediation of contaminated aquifers.

Waste Management and Remediation Services, Water Pollution, Bacteria, Bacterial adhesion, Drinking water, Aquifers, Cations, Simoni, Stefano F., Bosma, Tom N. P., Harms, Hauke, Zehnder, Alexander J.B., Swiss Federal Institute for Environmental Science and Technology, Swiss Federal Institute of Technology

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The influence of metal ions on the adsorption of phosphonates onto goethite

Article Abstract:

The main method of phosphonate removal is through adsorption onto surfaces. To a large extent, natural Ca concentrations can increase phosphonate adsorption.

Surface active agents, Surface Active Agent Manufacturing, Granulated Phosphonates, Statistical Data Included, Adsorption, Surface chemistry, Anionic surfactants, Phosphonates

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