This technique includes direct electric currents, pulsed electromagnetic field, static magnetic field, resonance vibration, and low-level laser which was mostly investigated and gave the most promising results.
The technology uses solar panels to apply low-level direct electric currents through electrodes in wells, manipulating the groundwater chemistry through electrolysis to create conditions favorable for either reduction or oxidation of contaminants.
In vivo studies were conducted to quantify the effectiveness of low-level direct electric current for different amounts of electrical charge and the survival rate in fibrosarcoma Sa-37 and Ehrlich tumors, also the effect of direct electric in Ehrlich tumor was evaluate through the measurements of tumor volume and the peritumoral and tumoral findings.
Alternator, Source of direct electric current in modern vehicles for ignition, lights, fans, and other uses.
Passage of a direct electric current through brine is attended by chemical changes at the surfaces where the electrodes come in contact with the electrolyte.
Passage of direct electric current through the wire creates a magnetic field that draws a core or plunger, usually of iron, into the solenoid; the motion of the plunger often is used to actuate switches, relays, or other devices.
A slab of the impure copper and a sheet of pure copper are placed in a vessel containing a solution of sulfuric acid in water, and the two pieces of copper are connected to a source of direct electric current, so that the pure copper becomes the cathode and the impure copper becomes the anode.
Another approach is to use direct electric current.
S-NaR1 is capable of specific nitrate reduction, and direct electric current, as shown by catalytic nitrate reduction using protein film cyclic voltammetry, can drive this reaction.
The basis of electrokinetic remediation lays in the application of a low intensity direct electric current (typically 1 VDC cm−1) to the contaminated porous matrix (soil, sediment).
This proposed vibro-seismic methodology will serve as an additional tool for increasing oil recovery, possibly in conjunction with application of direct electric current, chemical floods, and other processes.
