Abstract: An apparatus for treating the atmosphere of a storage space for vegetable products with a volume greater than 200 m3, includes a contacting device having a packing; an injector configured to inject a liquid flow into the contacting device; and a circulator configured to circulate the storage atmosphere in the contacting device. The contacting device is configured such that the storage atmosphere is brought into contact with the liquid flow by circulation in the packing.

Abstract: The treatment unit includes an evaporation device including a gas circulation pipe, and a material with a large specific surface filling an evaporation section of the circulation pipe; a device for circulating the gas through the circulation pipe; a liquid impregnating the material with a large specific surface, the liquid containing at least one product or a mixture of volatile biocide and/or phytoprotective products, with a boiling temperature between 130 and 280° C., the material with a large specific surface having a liquid retention capacity greater than 50 L/m3 of material with a large specific surface at 20° C.; a recharging device, arranged to re-impregnate the material with a large specific surface with liquid or to replace the spent material with a large specific surface with a new material with a large specific surface impregnated with liquid.

Abstract: A method of treating the atmosphere of a storage of vegetable products with a volume greater than 200 m3, wherein the method comprises at least one step of contacting the atmosphere with a liquid flow by circulation in a packing. A treatment unit of the atmosphere of a storage of vegetable products having a volume greater than 200 m3, wherein the unit comprises a contacting device comprising a packing, a device for injecting a liquid flow into the contacting device, a device for circulating the storage atmosphere in the contacting device, wherein the contacting device is so designed that the atmosphere is brought into contact with the liquid flow by circulation in the packing.

Abstract: The process includes a treatment step during which a liquid containing a biocidal and/or plant-protection product or a mixture of biocidal and/or plant-protection products is evaporated and injected into the internal atmosphere of premises, the liquid being evaporates at a temperature of less than 50° C., the product vapour concentration in the internal atmosphere of the premises being kept at greater than 10% of a saturation concentration of the vapour of said product in said atmosphere at said temperature for a saturation duration of greater than 12 hours.

Abstract: A method of treatment with at least one biocidal and/or safener product with a boiling temperature between 60 and 280° C., wherein the method comprises a treatment step duration greater than or equal to 3 days, wherein the treatment step comprises at least one injection phase of a duration greater than or equal to 3 days during which a liquid containing the, or each, product is evaporated and injected inside an enclosure, wherein the liquid is evaporated and injected with a period of less than or equal to two days during the injection phase, wherein the liquid is evaporated at a temperature below 50° C.

Abstract: An apparatus for treating the atmosphere of a storage space for vegetable products with a volume greater than 200 m3, includes a contacting device having a packing; an injector configured to inject a liquid flow into the contacting device; and a circulator configured to circulate the storage atmosphere in the contacting device. The contacting device is configured such that the storage atmosphere is brought into contact with the liquid flow by circulation in the packing.

Abstract: The purification method comprises: a step for placing the laden gas stream in contact with a saline solution stream, the saline solution stream comprising, before placement in contact, at least 300 g/l of salts, at least part of the quantity of volatile organic compound being extracted from the laden gas stream and absorbed by the saline solution stream, the placement in contact step producing a purified gas stream containing a residual quantity of volatile organic compound and a laden saline solution stream; a step for recovering the volatile organic compound, comprising a sub-step for decanting a laden saline solution stream, leading to the separation of a phase containing the volatile organic compound and of the saline solution.

Abstract: The treatment unit includes an evaporation device including a gas circulation pipe, and a material with a large specific surface filling an evaporation section of the circulation pipe; a device for circulating the gas through the circulation pipe; a liquid impregnating the material with a large specific surface, the liquid containing at least one product or a mixture of volatile biocide and/or phytoprotective products, with a boiling temperature between 130 and 280° C., the material with a large specific surface having a liquid retention capacity greater than 50 L/m3 of material with a large specific surface at 20° C.; a recharging device, arranged to re-impregnate the material with a large specific surface with liquid or to replace the spent material with a large specific surface with a new material with a large specific surface impregnated with liquid.

Abstract: The process includes a treatment step during which a liquid containing a biocidal and/or plant-protection product or a mixture of biocidal and/or plant-protection products is evaporated and injected into the internal atmosphere of premises, the liquid being evaporates at a temperature of less than 50° C., the product vapour concentration in the internal atmosphere of the premises being kept at greater than 10% of a saturation concentration of the vapour of said product in said atmosphere at said temperature for a saturation duration of greater than 12 hours.

Abstract: A method of treating the atmosphere of a storage of vegetable products with a volume greater than 200 m3, wherein the method comprises at least one step of contacting the atmosphere with a liquid flow by circulation in a packing. A treatment unit of the atmosphere of a storage of vegetable products having a volume greater than 200 m3, wherein the unit comprises a contacting device comprising a packing, a device for injecting a liquid flow into the contacting device, a device for circulating the storage atmosphere in the contacting device, wherein the contacting device is so designed that the atmosphere is brought into contact with the liquid flow by circulation in the packing.

Abstract: A method of treatment with at least one biocidal and/or safener product with a boiling temperature between 60 and 280° C., wherein the method comprises a treatment step duration greater than or equal to 3 days, wherein the treatment step comprises at least one injection phase of a duration greater than or equal to 3 days during which a liquid containing the, or each, product is evaporated and injected inside an enclosure, wherein the liquid is evaporated and injected with a period of less than or equal to two days during the injection phase, wherein the liquid is evaporated at a temperature below 50° C.

Abstract: The purification method comprises: a step for placing the laden gas stream in contact with a saline solution stream, the saline solution stream comprising, before placement in contact, at least 300 g/l of salts, at least part of the quantity of volatile organic compound being extracted from the laden gas stream and absorbed by the saline solution stream, the placement in contact step producing a purified gas stream containing a residual quantity of volatile organic compound and a laden saline solution stream; a step for recovering the volatile organic compound, comprising a sub-step for decanting a laden saline solution stream, leading to the separation of a phase containing the volatile organic compound and of the saline solution.

Abstract: A device for coating food products, of the type having a coating area includes: a coating conveyor provided to drive said food products in a longitudinal direction; and a device for applying a coating compound on the food products driven on the conveyor. The coating conveyor includes a chassis, a plurality of rotary brushes fastened in the longitudinal direction relative to the chassis, and a motorized assembly for driving the brushes in rotation around respective transverse axes relative to the chassis, the brushes being arranged so as to define, together, a support and driving surface for the food products and being provided to make the food products roll during the application of the coating compound.

Abstract: The thermal fogging device using a liquid, comprises: an assembly (3) for producing a pressurised hot gas flow; an ejection pipe (5); a first liquid source (7); the means (9) for injecting into the ejection pipe (5) a metered liquid flow from the first liquid source (7), characterised in that the means (9) for injecting the metered liquid flow comprises a Venturi device (V) having an area (R), the cross-section of which is narrowed so as to enable the suction of the metered liquid flow.

Abstract: A method of fabricating a turning mirror for an optical device includes the steps of depositing on a substrate, which defines a plane in which an optical signal propagates in a propagating direction, a photoresist layer sensitive to electrons and to UV radiation. The material in which the photoresist layer is formed, has a contrast not larger than 3. A first portion of the photoresist layer is exposed to an electron beam, wherein the electron dose of the electron beam exposure is varied within the first portion according to a selected pattern, and wherein the electron does to which a given region in the photoresist is exposed, depends on the resulting photoresist height in the given region after development. A second portion of the photoresist layer is exposed to UV radiation; the first and the second portions are overlapped at least in a third portion.

Abstract: A device for coating food products, of the type having a coating area includes: a coating conveyor provided to drive said food products in a longitudinal direction; and a device for applying a coating compound on the food products driven on the conveyor. The coating conveyor includes a chassis, a plurality of rotary brushes fastened in the longitudinal direction relative to the chassis, and a motorized assembly for driving the brushes in rotation around respective transverse axes relative to the chassis, the brushes being arranged so as to define, together, a support and driving surface for the food products and being provided to make the food products roll during the application of the coating compound.

Abstract: A method of fabricating a turning mirror for an optical device includes the steps of depositing on a substrate, which defines a plane in which an optical signal propagates in a propagating direction, a photoresist layer sensitive to electrons and to UV radiation. The material in which the photoresist layer is formed, has a contrast not larger than 3. A first portion of the photoresist layer is exposed to an electron beam, wherein the electron dose of the electron beam exposure is varied within the first portion according to a selected pattern, and wherein the electron does to which a given region in the photoresist is exposed, depends on the resulting photoresist height in the given region after development. A second portion of the photoresist layer is exposed to UV radiation; the first and the second portions are overlapped at least in a third portion.

Abstract: A method of fabricating a turning mirror for an optical device includes the steps of depositing on a substrate, which defines a plane in which an optical signal propagates in a propagating direction, a photoresist layer sensitive to electrons and to UV radiation. The material in which the photoresist layer is formed, has a contrast not larger than 3. A first portion of the photoresist layer is exposed to an electron beam, wherein the electron dose of the electron beam exposure is varied within the first portion according to a selected pattern, and wherein the electron does to which a given region in the photoresist is exposed, depends on the resulting photoresist height in the given region after development. A second portion of the photoresist layer is exposed to UV radiation; the first and the second portions are overlapped at least in a third portion.

Abstract: A method of fabricating a turning mirror for an optical device includes the steps of depositing on a substrate, which defines a plane in which an optical signal propagates in a propagating direction, a photoresist layer sensitive to electrons and to UV radiation. The material in which the photoresist layer is formed, has a contrast not larger than 3. A first portion of the photoresist layer is exposed to an electron beam, wherein the electron dose of the electron beam exposure is varied within the first portion according to a selected pattern, and wherein the electron does to which a given region in the photoresist is exposed, depends on the resulting photoresist height in the given region after development. A second portion of the photoresist layer is exposed to UV radiation; the first and the second portions are overlapped at least in a third portion.

Abstract: A method for realizing a grating structure including the steps of providing a layered structure having a substrate, a grating layer, a first masking layer of polysilicon, a dielectric layer and a second masking layer. Additionally, a resist layer is deposited on the second masking layer; the resist layer is exposed according to a selected pattern to an electron beam; the resist layer is developed according to the pattern; the second masking layer is etched using the developed resist layer as a mask to form a patterned second masking layer; the dielectric layer is etched using the patterned second masking layer as a hard mask to form a patterned dielectric layer; the first masking layer is etched using the patterned dielectric layer as a hard mask to form a patterned first masking layer; and the grating layer is etched using the patterned first masking layer as a hard mask to form the grating structure.