Method for recovery of hydrocarbons form contaminated soil or refuse materials

Patent · 01 January 1991

OSTI ID:867834

Ignasiak, Teresa ^[1]; Turak, Ali A ^[2]; Pawlak, Wanda ^[3]; Ignasiak, Boleslaw L ^[4]; Guerra, Carlos R ^[5]; Zwillenberg, Melvin L ^[6]

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1. 417 Heffernan Drive, Edmonton, Alberta, CA
2. 3125 - 109 Street, Edmonton, Alberta, CA
3. 407 Saddleback Road, #203, Edmonton, Alberta, CA
4. 10967 34 A Avenue, Edmonton, Alberta, CA
5. 6050 Boulevard E., West New York, NJ 07093
6. 475 Richmond Ave., Maplewood, NJ 07040

A method is provided for separating an inert solid substantially inorganic fraction comprising sand or soil from a tarry or oily organic matter in a feedstock. The feedstock may be contaminated soil or tarry waste. The feedstock is combined with pulverized coal and water. The ratio (oil or tar to dry weight of coal) of about 1.0:10 to about 4.0:10 at a temperature in the range of 60.degree.-95.degree. C. The mixture is agitated, the coarse particles are removed, and up to about 0.10% by weight (based on weight of coal) of a frothing agent is added. The mixture is then subjected to flotation, and the froth is removed from the mixture.

• Research Organization: Electric Power Research Institute, Inc. (Palo Alto, CA)
• DOE Contract Number: FG22-87PC79865
• Assignee: Ignasiak; Teresa (417 Heffernan Drive, Edmonton, Alberta, CA); Turak; Ali A. (3125 - 109 Street, Edmonton, Alberta, CA); Pawlak; Wanda (407 Saddleback Road, #203, Edmonton, Alberta, CA); Ignasiak; Boleslaw L. (10967 34 A Avenue, Edmonton, Alberta, CA); Guerra; Carlos R. (6050 Boulevard E., West New York, NJ 07093); Zwillenberg; Melvin L. (475 Richmond Ave., Maplewood, NJ 07040)
• Patent Number(s): US 5019245
• OSTI ID: 867834
• Country of Publication: United States
• Language: English

Related Subjects

-95
/209/134/208/210/
10
60
action comprising
added
agent
agitated
based
coal
coarse
coarse particle
coarse particles
combined
comprising
contaminated
contaminated soil
degree
dry
dry weight
feedstock
flotation
form
fraction
fraction comprising
froth
frothing
hydrocarbons
inert
inert solid
inorganic
materials
matter
method
mixture
oil
oily
organic
organic fraction
organic matter
particles
provided
pulverized
pulverized coal
range
ratio
recovery
refuse
removed
sand
separating
soil
solid
subjected
substantially
tar
tarry
temperature
waste
water
weight