Last edited by Mikaran
Sunday, August 2, 2020 | History

2 edition of reconnaissance study of anionic surfactants in ground water. found in the catalog.

reconnaissance study of anionic surfactants in ground water.

Geological Survey (U.S.). Water Resources Division.

reconnaissance study of anionic surfactants in ground water.

by Geological Survey (U.S.). Water Resources Division.

  • 108 Want to read
  • 7 Currently reading

Published in Washington .
Written in English

    Subjects:
  • Water-supply -- United States.,
  • Groundwater -- United States.,
  • Water -- Pollution -- United States.,
  • Water -- Analysis.

  • Edition Notes

    Other titlesAnionic surfactants in ground water., Detergent pollution in ground water.
    The Physical Object
    Paginationii, 34 p.
    Number of Pages34
    ID Numbers
    Open LibraryOL17875178M
    LC Control Number66000245

    ground water, developing an extensive karstic surficial aquifer system is the natural land surface, to Ceryak (SRWMD, personal communication, References to Florida's geomorphic features terrain In the basinal areas, the carbonate sedi- The base occurs where impermeable beds of the ), the surficial aquifer system is present irn are made in. water contacts soluble minerals in the subsurface (e.g., CaCO 3), or if it is stored for long periods in under­ ground basins. Stream water comes from soil and groundwater drainage, plus surface runoff. Natural drainage waters contain relatively low concentrations of the .

    The title says it all.1/5(1). It is a non-flammable, water based coatings which is easily detached from surfaces and discards the use of paint strippers and cleaners. These coatings comprises of water-based acrylic polymers, vapor phase corrosion inhibitors as well as a thixotropic thickener which aids in enhancing barrier, and surface protection properties.

    Groundwater supplies an estimated 38–42% of the global water used for irrigation, approximately 36% of the water resources needed for households, and roughly 27% of the water needed for industry and manufacturing (Döll et al. ; Siebert et al. ; Margat and van der Gun ; National Ground Water Association ). J. S. Weiss and A. C. Razem. Simulation of ground-water flow in a mined watershed in eastern Ohio. Ground Water. J. E. Rogner and R. W. Doehler. Ettringite formation following chemical neutralization treatment of acidic coal mine drainage. .


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Reconnaissance study of anionic surfactants in ground water by Geological Survey (U.S.). Water Resources Division. Download PDF EPUB FB2

Get this from a library. A reconnaissance study of anionic surfactants in ground water. [Geological Survey (U.S.). Water Resources Division.]. Effects of pH and Cationic and Nonionic Surfactants on the Adsorption of Pharmaceuticals to a Natural Aquifer Material Article in Environmental Science and Technology 39(8) May with.

Researchers will inject surfactants to cause the desorption of TCE from soil and will monitor the increase of TCE levels in the ground water. The test site is upgradient from reconnaissance study of anionic surfactants in ground water.

book pump-and-treat systems, so surfactant and TCE will be removed there. Three injection wells have been installed perpendicular to the ground-water flow.

Erdinç, N., Gokturk, S., Tunçay M. () A study on the adsorption characteristics of an amphiphilic phenothiazine drug on activated charcoal in the presence of surfactants.

Colloids and. Barber, L.B., II,The occurrence and distribution of semivolatile organic compounds in the lower Calcasieu River, Louisiana, by use of the closed-loop-stripping isolation procedure: Chapter C in Demas, C.R., ed., Reconnaissance Study of Water and Bottom Material Quality in the Lower Calcasieu River, Southwestern Louisiana, May Surfactants and their degradation metabolites can be found at any environmental compartment.

Their presence in surface waters is widely documented and the levels usually range from less than 1 ng/L to several hundreds of μg/L. The most reported compounds are LAS and NPEOs as anionic and nonionic surfactants, by: 5.

AWWARF Project # Investigators: Shane Snyder, Paul Westerhoff, Rengo Song, Bruno Levine, Bruce Long AWWARF Project Officer: Kim Linton: [email protected] Project Abstract.

Compounds that can alter the endocrine systems of animals have been detected in water supplies around the world as the result of human activities. Ebbert, J.C.,Gasoline and diesel-oil contamination of ground water at Yakima, Washington--Site description and research goals, in Franks, B.J., ed., U.S.

Geological Survey Program on Toxic Waste--Ground-Water Contamination--Proceedings of the third technical meeting, Pensacola, Florida, MarchU.S.

Geological Survey Open-File. The Texas Department of Water Resources conducted an earlier study on Cibolo Creek to document the stream’s dimension, time of travel, flow and dilution (Buzan, ). The study reported mean widths ranging from 6 to 26 m, mean depths of approximately m in the riffles and m in the pools, and mean velocities of approximately m s Cited by: water glass was required simultaneously to depress the float of silicate minerals.

Then, the phosphate minerals turned out to be floated with the assistance of anionic surfactants. For the reverse flotation process, silica was floated using cationic surfactants in a weak acidic or neutral pH, and the phosphate. The nonionic surfactants are used as oil soluble detergents and emulsifiers that can be sulfonated or phosphorylated to produce anionic detergents, lubricants, antistatic agents, high performance textile scouring agents, emulsifiers for agrichemicals, antioxidants for rubber manufacture, and lubricant oil additives (Reed ).

Septic systems serve approximately 25% of U.S. households and may be an important source of estrogenic and other organic wastewater contaminants (OWC) to groundwater. We monitored several estrogenic OWC, including nonylphenol (NP), nonylphenol mono- and diethoxycarboxylates (NP1EC and NP2EC), the steroid hormones 17β-estradiol (E2), estrone (E1) and their glucuronide and sulfate Cited by: Occurrence and removal of six high-production high-volume neonicotinoids was investigated in 13 conventional wastewater treatment plants (WWTPs) and one engineered wetland.

Flow-weighted daily composites were analyzed by isotope dilution liquid chromatography tandem mass spectrometry, revealing the occurrence of imidacloprid, acetamiprid, and clothianidin at ng/L concentrations in Cited by: COVID Resources.

Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Proceedings of the World Environmental and Water Resources Congress, held in Kansas City, Missouri, MaySponsored by the Environmental and Water Resources Institute of ASCE. This collection contains papers focusing on the engineering challenges of balancing environmental and development issues while achieving a sustainable.

An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable). Emulsions are part of a more general class of two-phase systems of matter called gh the terms colloid and emulsion are sometimes used interchangeably, emulsion should be used when both phases, dispersed and continuous, are liquids.

In an emulsion, one liquid (the dispersed. An 18 month study using cost effective municipal wastewater treatment technology coupled with a computerized data handling system, was conducted at the EPA/Washington, D.C.

Blue Plains Pilot Plant to obtain data on the safety of the effluent for discharge upstream of drinking water intakes, and for potential domestic reuse purposes. SOURCES OF MULTIPLE UNREGULATED CHEMICAL CONTAMINANTS IN DRINKING WATER. One of the primary sources of unregulated chemical contaminants in surface water used for drinking water is wastewater discharge, and this issue has been extensively studied by USGS scientists and others (9, 12, 24, 15, 36, 37, 49, 66, 69–71).Leaching from septic tanks and hazardous waste landfills as well as Cited by: Mass balances are an instructive means for investigating the fate of chemicals during wastewater treatment.

In addition to the aqueous-phase removal efficiency (Φ), they can inform on chemical partitioning, transformation, and persistence, as well as on the chemical loading to streams and soils receiving, respectively, treated effluent and digested sewage sludge (biosolids).Cited by: Full text of "Selected water resources abstracts" See other formats.

Geochemical processes in ground water resulting from surface mining of coal at the Big Sky and West Decker Mine areas, southeastern Montana / (Helena, Mont.: U.S. Geological Survey ; Denver, CO: Earth Science Information Center, Open-File Reports Section [distributor], []), by David W.

Clark, United States. Bureau of Land Management, Montana.Enhanced Oxidative Transformation of Conventional and been detected in surface water, drinking water and ground water bodies all across north America and other parts of the world [].

commercial anionic surfactants by means of ozone and/or Author: Malini Ghosh.This study provides the first pan-European reconnaissance of the occurrence of polar org. persistent pollutants in European ground water.

In total, individual ground-water samples from 23 European Countries were collected and analyzed (among others) for 59 selected org. compds., comprising pharmaceuticals, antibiotics, pesticides (and their Cited by: