High-Energy Corona

Task Description

This thermal catalytic oxidation technology uses high-voltage elec-
tricity to destroy VOCs at room tem-
perature. The equipment consists of a High-Energy Corona reactor in which the VOCs are destroyed, in-
let and outlet piping containing process instrumentation (humidity, temperature, pressure, contami-
nant concentration, and mass flow rate), means for controlling inlet flow rates and inlet humidity, and a secondary scrubber for removing chloride and hypochlorite species when chlorinated organics like TCE and PCE are destroyed.

The reactor is a glass tube filled with glass beads through which the contaminated offgas is passed (Figure 6.1). Each reactor is 2 in. diameter, 4 ft. long, and weighs less than 20 lb. A high-voltage electrode is placed along the cen-
terline of the reactor, and a grounded metal screen is attach-
ed to the outer glass surface of the reactor. A high-voltage power supply connected across the elec-
trodes provides 0 to 50 mA of 60 Hz electricity at 30 kV. The elec-
trode current and power are varied depending upon the type and concentration of contaminant being treated. Each reactor can process up to 5 ft3 per minute.