Method and apparatus for use in photochemically oxidizing gaseous volatile or semi-volatile organic compounds

An apparatus for photochemically oxidizing gaseous volatile or semi-volatile organic compounds comprising:

• a reactor vessel having a plurality of reaction chambers provided therein, the reaction chambers having respective chamber lining sidewalls;
• a source of ultraviolet light provided within the reaction chambers to oxidize gaseous volatile or semi-volatile organic compounds fed to the reaction chambers into gaseous oxidation products, the source of ultraviolet light comprising at least one U-shaped ultraviolet light tube extending into the respective reaction chambers;
• the sidewalls of the reaction chambers comprising a dry porous cementitious and chemically sorbent material, the sorbent material being chemically reactive with the gaseous oxidation products to produce solid reaction products incorporated in the reaction chamber sidewalls;
• and
• the sidewalls of the reaction chambers comprising at least one baffle mounted relative to the reactor vessel, the baffle defining a gas flow path within the reactor vessel between a gas inlet and a gas outlet, the baffle comprising at least a portion of the respective reaction chamber sidewalls with the baffle itself comprising the dry porous cementitious and chemically sorbent material.

An apparatus for photochemically oxidizing gaseous volatile or semi-volatile organic compounds comprising:

• a reactor vessel having a plurality of reaction chambers provided therein, the reaction chambers having respective chamber lining sidewalls;
• a source of ultraviolet light provided within the reaction chambers to oxidize gaseous volatile or semi-volatile organic compounds fed to the reaction chambers into gaseous oxidation products;
• the sidewalls of the reaction chambers comprising a dry porous cementitious and chemically sorbent material, the sorbent material being chemically reactive with the gaseous oxidation products to produce solid reaction products incorporated in the reaction chamber sidewalls;
• the sidewalls of the reaction chambers comprising at least two baffles mounted relative to the reactor vessel, the baffles defining a gas flow path within the reactor vessel between a gas inlet and a gas outlet, the baffles comprising at least a portion of the respective reaction chamber sidewalls with the baffles themselves comprising the dry porous cementitious and chemical sorbent material;
• and
• further comprising at least one cooling fluid passageway received within the reactor vessel, the cooling fluid passageway being sandwiched between the at least two baffles, the cooling fluid passageway comprising tubing.

An apparatus for photochemically oxidizing gaseous volatile or semi-volatile organic compounds comprising:

• a reactor vessel having a plurality of reaction chambers provided therein, the reaction chambers having respective chamber lining sidewalls;
• a source of ultraviolet light provided within the reaction chambers to oxidize gaseous volatile or semi-volatile organic compounds fed to the reaction chambers into gaseous oxidation products;
• the sidewalls of the reaction chambers comprising a dry porous cementitious and chemically sorbent material, the sorbent material being chemically reactive with the gaseous oxidation products to produce solid reaction products incorporated in the reaction chamber sidewalls;
• and
• the sidewalls of the reaction chambers comprising at least one baffle mounted relative to the reactor vessel, the baffle defining a gas flow path within the reactor vessel between a gas inlet and a gas outlet, the baffle comprising at least a portion of the respective reaction chamber sidewalls with the baffle itself comprising the dry porous cementitious and chemically sorbent material, the baffle comprising a peripheral frame, the dry porous cementitious and chemically sorbent material being received within the peripheral frame, the frame comprising a peripheral and inwardly facing channel member having at least two channel walls, the channel walls comprising at least one projection extending into the dry porous cementitious and chemically sorbent material.

A removable reaction chamber baffle liner for a photochemical oxidation reactor vessel for oxidizing volatile or semi-volatile organic compounds, the baffle liner comprising:

• a peripheral frame sized and shaped for sliding receipt within the photochemical oxidation reactor vessel, the reactor vessel having a plurality of reaction chambers provided therein which are defined by at least one baffle liner, the reaction chambers having respective chamber lining sidewalls defined by the baffle liner, the baffle liner defining a gas flow path within the reactor vessel between a gas inlet and a gas outlet, the reactor vessel comprising a source of ultraviolet light provided within the reaction chambers to oxidize gaseous volatile or semi-volatile organic compounds fed to the reaction chambers into gaseous oxidation products;
• a hardened mass of dry porous cementitious and chemically sorbent material received within the peripheral frame, the sorbent material being chemically reactive with the gaseous oxidation products to produce solid reaction products incorporated in the material;
• and
• the peripheral frame comprising a peripheral and inwardly facing channel member having at least two channel walls, the channel walls comprising at least one projection extending into the dry porous cementitious and chemically sorbent material.

A removable reaction chamber baffle liner comprising:

• at least one structural support member;
• a hardened mass of dry porous cementitious and chemically sorbent material surrounding at least a portion of the structural support member, the hardened mass of dry porous cementitious and chemically sorbent material with support member being sized and shaped for removable receipt within a photochemical oxidation reactor vessel for oxidizing volatile or semi-volatile organic compounds, the reactor vessel having a plurality of reaction chambers provided therein which are defined by at least one of said baffle liner, the reaction chambers having respective chamber lining sidewalls defined by the baffle liner, the baffle liner defining a gas flow path within the reactor vessel between a gas inlet and a gas outlet, the reactor vessel comprising a source of ultraviolet light provided within the reaction chambers to oxidize gaseous volatile or semi-volatile organic compounds fed to the reaction chambers into gaseous oxidation products, the sorbent material of the baffle liner being chemically reactive with the gaseous oxidation products to produce solid reaction products incorporated in the material;
• and
• wherein the structural support member comprises a frame member, the frame member comprising an inwardly facing channel member having at least two channel walls, the channel walls comprising at least one projection extending into the dry porous cementitious and chemically sorbent material, the projection comprising said portion of the structural support member surrounded by the dry porous cementitious and chemically sorbent material.