Method for removing hydrocarbon contaminants from solid materials

Bala, Gregory A; Thomas, Charles P

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A - human necessities
A01 - agriculture
A21 - baking
A22 - butchering
A23 - foods or foodstuffs
A24 - tobacco
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A42 - headwear
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A44 - haberdashery
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A46 - brushware
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A61 - medical or veterinary science
A62 - life-saving
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A99 - subject matter not otherwise provided for in this section
B - performing operations
B01 - physical or chemical processes or apparatus in general
B02 - crushing, pulverising, or disintegrating
B03 - separation of solid materials using liquids or using pneumatic tables or jigs
B04 - centrifugal apparatus or machines for carrying-out physical or chemical processes
B05 - spraying or atomising in general
B06 - generating or transmitting mechanical vibrations in general
B07 - separating solids from solids
B08 - cleaning
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B21 - mechanical metal-working without essentially removing material
B22 - casting
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B61 - railways
B62 - land vehicles for travelling otherwise than on rails
B63 - ships or other waterborne vessels
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B67 - opening, closing {or cleaning} bottles, jars or similar containers
B68 - saddlery
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C01 - inorganic chemistry
C02 - treatment of water, waste water, sewage, or sludge
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D01 - natural or man-made threads or fibres
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Title: Method for removing hydrocarbon contaminants from solid materials

Abstract

A system for removing hydrocarbons from solid materials. Contaminated solids are combined with a solvent (preferably terpene based) to produce a mixture. The mixture is washed with water to generate a purified solid product (which is removed from the system) and a drainage product. The drainage product is separated into a first fraction (consisting mostly of contaminated solvent) and a second fraction (containing solids and water). The first fraction is separated into a third fraction (consisting mostly of contaminated solvent) and a fourth fraction (containing residual solids and water). The fourth fraction is combined with the second fraction to produce a sludge which is separated into a fifth fraction (containing water which is ultimately reused) and a sixth fraction (containing solids). The third fraction is then separated into a seventh fraction (consisting of recovered solvent which is ultimately reused) and an eighth fraction (containing hydrocarbon waste).

Inventors:

Bala, Gregory A ^[1]; Thomas, Charles P ^[1]

Idaho Falls, ID

Issue Date:: 1995-01-01

Research Org.:: EG & G IDAHO INC

OSTI Identifier:: 870089

Patent Number(s):: 5454878

Assignee:: Lockheed Idaho Technologies Company (Idaho Falls, ID)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B09 - DISPOSAL OF SOLID WASTE B09C - RECLAMATION OF CONTAMINATED SOIL

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

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B - PERFORMING OPERATIONS B09 - DISPOSAL OF SOLID WASTE B09C - RECLAMATION OF CONTAMINATED SOIL
B09C1/02 - Extraction using liquids, e.g. washing, leaching {, flotation}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S203/17 - Saline water conversion

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DOE Contract Number:: AC07-76ID01570

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: method; removing; hydrocarbon; contaminants; solid; materials; hydrocarbons; contaminated; solids; combined; solvent; preferably; terpene; based; produce; mixture; washed; water; generate; purified; product; removed; drainage; separated; fraction; consisting; containing; third; fourth; residual; sludge; fifth; ultimately; reused; sixth; seventh; recovered; eighth; waste; containing solids; residual solids; containing solid; solid materials; solid material; solid product; containing water; third fraction; residual solid; removing hydrocarbon; removing hydrocarbons; moving hydrocarbons; hydrocarbon contaminants; terpene based; preferably terpene; contaminated solids; containing hydrocarbon; /134/203/210/405/

Citation Formats


                    Bala, Gregory A, and Thomas, Charles P. Method for removing hydrocarbon contaminants from solid materials.  United States: N. p., 1995. 
        Web.

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                    Bala, Gregory A, & Thomas, Charles P. Method for removing hydrocarbon contaminants from solid materials.  United States.

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                    Bala, Gregory A, and Thomas, Charles P. Sun .  
        "Method for removing hydrocarbon contaminants from solid materials".  United States.  https://www.osti.gov/servlets/purl/870089.

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@article{osti_870089,

  title        = {Method for removing hydrocarbon contaminants from solid materials},

  author       = {Bala, Gregory A and Thomas, Charles P},

  abstractNote = {A system for removing hydrocarbons from solid materials. Contaminated solids are combined with a solvent (preferably terpene based) to produce a mixture. The mixture is washed with water to generate a purified solid product (which is removed from the system) and a drainage product. The drainage product is separated into a first fraction (consisting mostly of contaminated solvent) and a second fraction (containing solids and water). The first fraction is separated into a third fraction (consisting mostly of contaminated solvent) and a fourth fraction (containing residual solids and water). The fourth fraction is combined with the second fraction to produce a sludge which is separated into a fifth fraction (containing water which is ultimately reused) and a sixth fraction (containing solids). The third fraction is then separated into a seventh fraction (consisting of recovered solvent which is ultimately reused) and an eighth fraction (containing hydrocarbon waste).},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1995},

  month        = {1}

}

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Works referenced in this record:

Interfacial Tensions of Microbial Surfactants Determined by Real-Time Video Imaging of Pendant Drops
conference, April 1992

Herd, M. D.; Lassahn, G. D.; Thomas, C. P.
SPE/DOE Enhanced Oil Recovery Symposium, All Days
https://doi.org/10.2118/24206-MS

Surface-Active Compounds from Microorganisms
book, January 1980

Cooper, D. G.; Zajic, J. E.
Advances in Applied Microbiology
https://doi.org/10.1016/S0065-2164(08)70335-6

Measurement of interfacial tension by automated video techniques
conference, January 1991

Deason, Vance A.; Miller, Randall L.; Watkins, Arthur D.
San Dieg - DL Tentative, SPIE Proceedings
https://doi.org/10.1117/12.51139

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Similar Records

Title: Method for removing hydrocarbon contaminants from solid materials

Abstract

Citation Formats

Interfacial Tensions of Microbial Surfactants Determined by Real-Time Video Imaging of Pendant Drops conference, April 1992

Surface-Active Compounds from Microorganisms book, January 1980

Measurement of interfacial tension by automated video techniques conference, January 1991

Interfacial Tensions of Microbial Surfactants Determined by Real-Time Video Imaging of Pendant Drops
conference, April 1992

Surface-Active Compounds from Microorganisms
book, January 1980

Measurement of interfacial tension by automated video techniques
conference, January 1991