The interaction of ddt with suspended particles in sea water

Picer, Nena; Picer, Mladen; Strohal, P.

doi:10.1007/bf00228657

Cited by 18 publications

(3 citation statements)

References 12 publications

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“…These factors might include the extensive van der Waals forces and hydrophobic interactions of an organic complex. Varying degrees of irreversibility for the adsorption of DDT (17,18) and polychlorinated biphenyls (21) also have been attributed to the organic material in the adsorbents.…”

Section: Resultsmentioning

confidence: 99%

“…To our knowledge, however, no studies have been reported on the adsorption of the ubiquitous phthalate esters. Several studies have been done concerning the adsorption from aqueous solutions of various pesticides onto clay minerals (13)(14)(15)(16), humates (16,17), and sediments (17)(18)(19). Weber (20) reviewed the factors affecting adsorption and the mechanisms of adsorption for numerous classes of pesticides.…”

Section: Introductionmentioning

confidence: 99%

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Adsorption of phthalic acid esters from seawater

Sullivan¹,

Atlas²,

Giam³

1982

Environ. Sci. Technol.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Adsorption of phthalic acid esters from seawater

Sullivan¹,

Atlas²,

Giam³

1982

Environ. Sci. Technol.

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“…The organochlorine pesticide DDT was one of the first synthetic chemicals to be produced in large quantities and to be widely dispersed in the environment. For more than 20 years, beginning in the late 1940s, DDT was widely used in the Great Lakes region, especially in the Lake Michigan basin. In the late 1960s, increased environmental awareness, supported by a growing body of scientific evidence, led to the discovery of widespread distribution of DDT throughout the Great Lakes ecosystem (1).…”

Section: Introductionmentioning

confidence: 99%

Mass balance modeling of DDT dynamics in Lakes Michigan and Superior

Bierman¹,

Swain²

1982

Environ. Sci. Technol.

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A retrospective analysis of DDT dynamics subsequent to the imposition of a ban on DDT use in 1969 was conducted for Lakes Michigan and Superior. Trends in the available data indicate that DDT levels in both lakes declined at greater rates than were expected on the basis of hydraulic detention times and the degradation rate for DDT in the environment. Under the given assumptions, settling of particulate DDT from the water column was found to be the major loss process of DDT for both lakes. Particulate settling was responsible for 61-95% of the observed DDT loss rate in Lake Michigan. Degradation and hydraulic washout were responsible for 3-35% and 2-4%, respectively. Results for Lake Superior were comparable. These ranges corresponded to results for sensitivity analyses to variations in external DDT loads, partition coefficients, and degradation half-times. Results for apparent net particulate settling velocities for DDT were consistent with analogous results for phosphorus, phytoplankton, and plutonium from independent studies.

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Desorption of chlorinated hydrocarbons from phytoplankton

Autenrieth

DePinto

1991

Enviro Toxic and Chemistry

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Studies were conducted to investigate the desorptive characteristics of hexachlorobenzene (HCB) and 2,4,5,2′,4′,5′‐hexachlorobiphenyl (HCBP) sorbed to algal and sediment suspensions by using three approaches: batch equilibration, air purging and competitive exchange. In both short‐term and extended batch desorptions, sorption partition coefficients were consistently greater than desorption partition coefficients. Air‐purging removed virtually all of the sorbed HCBP within 2 h, exhibiting a two‐component release pattern for all tested sorbents. In competitive sorption tests, HCB originally sorbed to suspended sediments was released to be taken up by algae. These studies indicate the importance of sorbent type in the magnitude and strength of sorption for two hydrophobic compounds.

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The interaction of ddt with suspended particles in sea water

Cited by 18 publications

References 12 publications

Adsorption of phthalic acid esters from seawater

Adsorption of phthalic acid esters from seawater

Mass balance modeling of DDT dynamics in Lakes Michigan and Superior

Desorption of chlorinated hydrocarbons from phytoplankton

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