Electrical heating of soils using high efficiency electrode patterns and power phases
- Livermore, CA
Powerline-frequency electrical (joule) heating of soils using a high efficiency electrode configuration and power phase arrangement. The electrode configuration consists of several heating or current injection electrodes around the periphery of a volume of soil to be heated, all electrodes being connected to one phase of a multi-phase or a single-phase power system, and a return or extraction electrode or electrodes located inside the volume to be heated being connected to the remaining phases of the multi-phase power system or to the neutral side of the single-phase power source. This electrode configuration and power phase arrangement can be utilized anywhere where powerline frequency soil heating is applicable and thus has many potential uses including removal of volatile organic compounds such as gasoline and tricholorethylene (TCE) from contaminated areas.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- Regents of University of California (Oakland, CA)
- Patent Number(s):
- US 5994670
- OSTI ID:
- 872714
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
heating
soils
efficiency
electrode
patterns
power
phases
powerline-frequency
joule
configuration
phase
arrangement
consists
current
injection
electrodes
periphery
volume
soil
heated
connected
multi-phase
single-phase
return
extraction
located
inside
remaining
neutral
source
utilized
powerline
frequency
applicable
potential
including
removal
volatile
organic
compounds
gasoline
tricholorethylene
tce
contaminated
electrical heating
current injection
electrodes located
electrode configuration
located inside
organic compound
power source
organic compounds
volatile organic
power phase
electrical heat
extraction electrode
frequency electrical
frequency electric
phase power
powerline-frequency electrical
efficiency electrode
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