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Related Concept Videos

Bioremediation00:46

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
Colloids03:22

Colloids

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Colloidal precipitates

The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
Centrifugation01:05

Centrifugation

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The Colloidal State

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Related Experiment Video

Updated: Jun 14, 2026

Diffuse Reflectance Infrared Spectroscopic Identification of Dispersant/Particle Bonding Mechanisms in Functional Inks
10:31

Diffuse Reflectance Infrared Spectroscopic Identification of Dispersant/Particle Bonding Mechanisms in Functional Inks

Published on: May 8, 2015

Dispersal pathways for particle-associated pollutants.

R A Young, D J Swift, T L Clarke

    Science (New York, N.Y.)
    |August 2, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Over 10 million metric tons of particle-associated pollutants enter the New York Bight annually. These pollutants are transported by natural ocean and estuarine circulation to specific sinks, like the Hudson River shelf valley.

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    Area of Science:

    • Environmental Science
    • Oceanography
    • Pollution Studies

    Background:

    • The New York Bight receives substantial annual inputs of particle-associated pollutants.
    • Sources include ocean dumping, estuarine discharge, sewage, atmospheric deposition, and shipping.

    Purpose of the Study:

    • To investigate the dispersal and fate of particle-associated pollutants in the New York Bight.

    Main Methods:

    • Analysis of pollutant sources and quantities.
    • Examination of oceanic and estuarine circulation patterns.
    • Identification of pollutant sinks.

    Main Results:

    • Approximately 10(7) metric tons of particle-associated pollutants are introduced yearly.
    • Natural dispersal systems distribute pollutants widely.
    • Pollutants consistently accumulate in the Hudson River shelf valley and intracoastal wetlands.

    Conclusions:

    • Oceanic and estuarine circulation effectively transport pollutants.
    • Specific depositional zones, the Hudson River shelf valley and intracoastal wetlands, act as primary sinks for these pollutants.
    • Pollutant fate is independent of their introduction point within the Bight.