A laminar flow plasma reactor comprising: a housing including a reactor chamber internal to the housing, a gas inlet port , at least one liquid inlet port and at least one liquid outlet port ; characterized in that the laminar flow plasma reactor further comprises an electric field generator including a dielectrically isolated first electrode and a spaced apart second electrode is configured to generate an electric field therebetween, wherein the first electrode is dielectrically isolated by at least one dielectric element , which dielectric element is positioned between the first electrode and the second electrode; and an upper flow spreader configured to supply a stream of gas to the reactor chamber , the upper flow spreader positioned within the reactor chamber concentrically with the first electrode ; and a lower flow spreader configured to supply a stream of liquid to the reactor chamber , the lower flow spreader positioned within the reactor chamber concentrically with the first and second electrodes and the upper flow spreader , whereby the stream of liquid and the stream of gas flow adjacent one another radially outward from the center of the reactor chamber and pass through the electric field; an alignment rod extending through the lower flow spreader , the dielectric element and the upper flow spreader ; at least one liquid inlet port is configured to supply a liquid from an external pressurized liquid source; and a gas source configured to supply from the gas inlet port through the alignment rod a flow of gas to the reactor at an equal or higher pressure than the pressure in the reactor chamber , wherein the gas inlet in the alignment rod is coupled to an external pressurized gas source configured to supply the gas at a positive pressure relative to the liquid source pressure; wherein the first electrode and second electrode are configured to ionize the gas to create a plasma adjacent to the liquid when driven by an appropriate external electrical source. a housing including a reactor chamber internal to the housing, a gas inlet port , at least one liquid inlet port and at least one liquid outlet port ; characterized in that the laminar flow plasma reactor further comprises an electric field generator including a dielectrically isolated first electrode and a spaced apart second electrode is configured to generate an electric field therebetween, wherein the first electrode is dielectrically isolated by at least one dielectric element , which dielectric element is positioned between the first electrode and the second electrode; and an upper flow spreader configured to supply a stream of gas to the reactor chamber , the upper flow spreader positioned within the reactor chamber concentrically with the first electrode ; and a lower flow spreader configured to supply a stream of liquid to the reactor chamber , the lower flow spreader positioned within the reactor chamber concentrically with the first and second electrodes and the upper flow spreader , whereby the stream of liquid and the stream of gas flow adjacent one another radially outward from the center of the reactor chamber and pass through the electric field; an alignment rod extending through the lower flow spreader , the dielectric element and the upper flow spreader ; at least one liquid inlet port is configured to supply a liquid from an external pressurized liquid source; and a gas source configured to supply from the gas inlet port through the alignment rod a flow of gas to the reactor at an equal or higher pressure than the pressure in the reactor chamber , wherein the gas inlet in the alignment rod is coupled to an external pressurized gas source configured to supply the gas at a positive pressure relative to the liquid source pressure; wherein the first electrode and second electrode are configured to ionize the gas to create a plasma adjacent to the liquid when driven by an appropriate external electrical source. <EOS>