Environmental Cleanup
Procedure for cleaning oil from containment cells
Hydrocarbon Bio-remediation Procedure
Early on, oil companies discharged drilling mud and crude oil
from drilling and testing sites and waste oil from spills
etc. into containment cells i.e. ponds or pits.
Subsequently, chemicals, refinery waste, and debris were
added to these cells resulting in an extremely viscous and
debris laden heavy oil which is difficult to recover. Typically, the soil in these cells and the adjacent land is
highly contaminated. In certain cases contaminated water,
resulting from rainfall, flows from the cells into
waterways.
Attempts have been made to “fix” these problems by covering
the cells with soil or by burning their contents. Such
action is NOT recommended as it only adds to the problem and
substantially increases future cleanup costs.
EcoChem has developed an in-situ procedure to effectively
bio-remediate these cells and minimize potential
environmental damage associated with conventional cleanup
procedures.
The procedure utilizes EC-601 Rhamnolipid to reduce
interfacial tension between the oil, water and inorganics
(soil and sediment) and create a tri-phase condition within
the treatment environment whereby the oil, water and
inorganics are separated. Unlike chemical dispersants,
EC-601 does not bind to soil and sediment and has the
capability of (1) dispersing heavy oil, (2) separating it
from sediment and soil, (3) floating it to the surface and
(4) making it pumpable. This procedure is ideally suited for
applications where mechanical separation in not feasible.
TYPICAL
PROCEDURE
1. EC-601 is mixed with water and sprayed into the pit.
2. Compressed air and high pressure water is used to mix
EC-601 with the heavy oil causing it to liquefy. As the oil
liquefies, sediment, sand and stones sink to the bottom and
oil floats to the surface. The oil is recovered using
standard pumps.
The recovered oil can be re-injected into production, or used
for the production of asphalt and/or fuel for
thermoelectrically generation. Upon approval by EPA
authorities, the water can be discharged.
3. The
bottom and sides of the pit are pressure washed with a
mixture of EC-601 and water to a depth of 0.5 m. to remove
the remaining oil.
4. Again,
the oil floats to the top and is recovered. The water is
discharged.
5. The
sediment, sand and gravel are bioremediated using E-2100P
and EC-4000.
6. When
bioremediation is complete, the soil can be safely returned
to the pit or used in land reclamation etc.
NOTES:
1. This
process does not result in subsequent waste problems.
2. The
process requires mainly low-technology machinery.
EC-601 SAFETY
The materials used in the production of EC-601 are derived
from naturally occurring and sustainable sources. EC-601 is
non-caustic, non-corrosive, non-flammable and
environmentally safe. In addition, It is not harmful to
animals, plants and humans.
EC-601 COMPLIANCE
Fully complies with EPA Toxic Substance Control Act (TSCA)
and the rules, orders and regulations promulgated there
under including:
a) Sections 4, 5, 6 & 7; Title 40 Chapter 1, 707.20 thru
707.75;
b) 40 CFR Sections 704.3. 710.2(e) and 720.3(c); and
c) Sections 5 and 13, reference 42FR64583
d) Does not contain marine
pollutants as defined in 49 CFR 171.8.
EC-601 BIOSURFACTANT
OIL SPILL CLEANUP INFO
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OIL
SPILL CLEANUP PRODUCTS
Insitu Soil Treatment
