Apparatus for removing hydrocarbon contaminants from solid materials
Abstract
A system is described 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). 4 figs.
- Inventors:
- Issue Date:
- Research Org.:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- OSTI Identifier:
- 201516
- Patent Number(s):
- 5490531
- Application Number:
- PAN: 8-442,031
- Assignee:
- Lockheed Idaho Technologies Co., Idaho Falls, ID (United States)
- DOE Contract Number:
- AC07-94ID13223
- Resource Type:
- Patent
- Resource Relation:
- Other Information: PBD: 13 Feb 1996
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 54 ENVIRONMENTAL SCIENCES; HYDROCARBONS; SOLVENT EXTRACTION; SOLIDS; CLEANING; TERPENES; ORGANIC SOLVENTS; RECYCLING; WASTE OILS; REMEDIAL ACTION
Citation Formats
Bala, G A, and Thomas, C P. Apparatus for removing hydrocarbon contaminants from solid materials. United States: N. p., 1996.
Web.
Bala, G A, & Thomas, C P. Apparatus for removing hydrocarbon contaminants from solid materials. United States.
Bala, G A, and Thomas, C P. Tue .
"Apparatus for removing hydrocarbon contaminants from solid materials". United States.
@article{osti_201516,
title = {Apparatus for removing hydrocarbon contaminants from solid materials},
author = {Bala, G A and Thomas, C P},
abstractNote = {A system is described 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). 4 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 13 00:00:00 EST 1996},
month = {Tue Feb 13 00:00:00 EST 1996}
}