C01B13/115

Wet electrostatic gas cleaning system with non-thermal plasma for NOx reduction in exhaust

An apparatus and method of generating ozone and its incorporation into a system apparatus and method of cleaning exhaust gasses from fossil fuel burning boilers and/or furnaces are disclosed.

Ventilation system and method for operating it
10739023 · 2020-08-11 · ·

A ventilation system includes a line system which is designed to guide an air stream and to provide the air stream during normal operation via an outlet of the line system for supplying a space. The ventilation system includes a generating unit which is designed to produce reactive oxygen species during a cleaning operation and to feed the same to the air stream conducted in the line system. Also disclosed are methods for operating such a ventilation system and a generating unit for such a ventilation system.

FLEXIBLE PLASMA APPLICATORS BASED ON FIBROUS LAYERS
20200246496 · 2020-08-06 ·

Disclosed herein are flexible plasma applicators based on fibrous layers that are capable of rapidly sanitizing a surface via either direct or indirect contact with said surface.

Method and device for controlling an ozone generator power supply
10695740 · 2020-06-30 · ·

The power supply unit for an ozone generating system generally has a pulsed current generator generating current pulses to be supplied to an ozone generator; and a computer adapted for obtaining an ozone yield based on a first amount of ozone to be generated by the current pulses during a first period of time and on a first amount of electricity consumed by the power supply unit during the first period of time; modifying an amplitude of the current pulses based on the ozone yield; obtaining an ozone production rate based on a second amount of ozone generated during a second given period of time; adjusting a frequency of the current pulses based on the ozone production rate; and wherein said steps are executed iteratively to enhance the ozone yield while meeting the ozone production rate.

OZONE GENERATING MACHINE WITH ELECTRICAL CLOSED CABINET COOLED BY CLOSED LOOP
20200156941 · 2020-05-21 ·

Ozone generating machine (OGM) for generating ozone in a ship, comprising: an ozone generator with at least two electrodes separated by an ozonizing gap and at least a gas inlet for receiving a feed gas containing dioxygen, and a gas outlet for exhausting gas comprising ozone to an ozone circuit of the ship, a main liquid cooling circuit (CWP, CWT), with at least a cooling portion in the ozone generator, to be connected with a cooling circuit of a ship, a liquid-liquid heat exchanger (LLHEX) connected with the main liquid cooling circuit (CWP, CWT), and an electrical closed cabinet (ECB) comprising an electric current converter (ECV),
characterized in that the ozone generating machine (OGM) further comprises a closed loop cooling liquid circuit (CLC) comprising a converter liquid cooling portion (CECV) arranged to cool the electric current converter (ECV) and connected with the liquid-liquid heat exchanger (LLHEX).

OZONE GENERATOR

An ozone generator includes a container, a first metal electrode, a dielectric electrode, a heat pipe, a heat sink, and a power supply unit. The first metal electrode is a cylindrical electrode the axial direction of which is a first direction, and disposed in the container. A cooling medium is supplied to an outer peripheral surface thereof. The dielectric electrode is a cylindrical electrode that is disposed to be opposed to an inner peripheral surface of the first metal electrode, and is coaxial with the first metal electrode. The heat pipe is disposed to be opposed to an inner peripheral surface of the dielectric electrode, and has electrical conductivity. The heat sink is disposed on the outside as an outer space of a space between the first metal electrode and the heat pipe, and connected to the heat pipe.

Hybrid photochemical/plasma reactor devices

A method for generating a hybrid reaction flows feedstock gas that is also a plasma medium through microchannels. Plasma is generated with the plasma medium via excitation with a time-varying voltage. UV or VUV emissions are generated at a wavelength selected to break a chemical bond in the feedstock gas. The UV or VUV emissions are directed into the microchannels to interact with the plasma medium and generate a reaction product from the plasma medium. A hybrid reactor device includes a microchannel plasma array having inlets and outlets for respectively flowing gas feedstock into and reaction product out of the microchannel plasma array. A UV or VUV emission lamp has its emissions directed into microchannels of the microchannel plasma array. Electrodes ignite plasma in the microchannels and stimulating the UV or VUV emission lamp to generate UV or VUV emissions. One common or plural phased time-varying voltage sources drive the plasma array and the UV or VUV emission lamp.

Ozone Generation System
20200115230 · 2020-04-16 ·

An ozone generation system which is adaptable for supplying ozone to different medium and small application processes. The system has a source of feed gas, a corona discharge cell receiving the feed gas from the feed gas source and generating ozone for the application process, a flow controller measuring and managing the flow of the feed gas from the feed gas source to the corona discharge cell; and a regulator receiving gas from the corona discharge cell and sending the gas to the application process. The regulator maintains pressure in the corona discharge cell independent of the application process pressure.

METHOD FOR CONTROLLING AN OZONE GENERATING MACHINE
20200115229 · 2020-04-16 ·

Method for producing ozone in an ozone generating machine, comprising the steps of: supplying feed gas containing dioxygen at a gas inlet (O2IN) of an ozone generator (OzG), at a given feed gas flow and feed gas pressure, supplying an alternating electric current so as to create electric discharges to generate a given amount of ozone at a gas outlet (O3OUT) of the ozone generator (OzG), adjusting electric current power and at least one of a plurality of process parameters comprising, characterized in that the method comprises, during ozone production, the steps of: monitoring electric power and said at least one parameter of the plurality of process parameters, adjusting the feed gas pressure in response to the adjustment of the electric current power and said at least one process parameter.

METHOD FOR CONTROLLING AN OZONE GENERATING MACHINE
20200117157 · 2020-04-16 ·

Method for controlling an ozone generating machine (OGM) comprising the steps of:

wherein each base setting file (BSF) is dedicated to a type of ozone generating machine (OGM), retrieving and reading a dedicated base setting file (BSF) corresponding to the type of the ozone generating machine (OGM) indicated by a identification code (ID), encoding and writing a system configuration file (Sysconf) based on the dedicated base setting file (BSF), comprising at least a set of sensor coefficients (SK) and a set of actuator coefficients (AK), producing ozone with the ozone generating machine (OGM), said step comprising at least a step of correcting the at least one sensor signal (SSI) with at least one sensor coefficient (SK) or actuating the at least one actuator (ACT) with the at least one actuator control signal (ACS) corrected by at least one actuator coefficient (AK).