B01J2219/00833

CONTINUOUS ACOUSTIC CHEMICAL MICROREACTOR

A continuous acoustic chemical microreactor system is disclosed. The system includes a continuous process vessel (CPV) and an acoustic agitator coupled to the CPV and configured to agitate the CPV along an oscillation axis. The CPV includes a reactant inlet configured to receive one or more reactants into the CPV, an elongated tube coupled at a first end to the reactant inlet and configured to receive the reactants from the reactant inlet, and a product outlet coupled to a second end of the elongated tube and configured to discharge a product of a chemical reaction among the reactants from the CPV. The acoustic agitator is configured to agitate the CPV along the oscillation axis such that the inner surface of the elongated tube accelerates the one or more reactants in alternating upward and downward directions along the oscillation axis.

FLUID HANDLING DEVICE AND METHOD FOR MANUFACTURING FLUID HANDLING DEVICE
20170326547 · 2017-11-16 ·

In the present invention, a fluid handling device has: a first substrate made of resin whereon a channel is formed in a first surface; a first film made of resin and joined to the first surface of the first substrate; a second film made of resin a first surface of which is joined to a second surface of the first substrate; and a second substrate made of resin and joined to a second surface of the second film. A recessed part overlapping the channel in a plane view is formed on the surface of the second substrate joined to the second film. The glass transition temperature Tg.sub.1s of the first substrate, the glass transition temperature Tg.sub.1f of the first film, the glass transition temperature Tg.sub.2s of the second substrate, and the glass transition temperature Tg.sub.2f of the second film satisfy Tg.sub.1s, Tg.sub.2s>Tg.sub.1f, Tg.sub.2f.

Diphasic gas/liquid plasma reactor

The present invention relates to a microfluidic or millifluidic device (1) comprising: —a support (2) made at least partially of a dielectric material, the support (2) comprising a first inlet (21a) adapted to be connected to a first reservoir containing gas, a second inlet (21b) adapted to be connected to a second reservoir containing liquid, an outlet (22) adapted to be connected to a receiver container containing gas and/or liquid, and a main microchannel or millichannel (3) present in the dielectric material allowing the liquid and the gas to flow from the inlets towards the outlet, —one or several ground electrode(s) (4) embedded in said dielectric material and extending along the main microchannel or millichannel (3), and —one or several high-voltage electrode(s) (5) embedded in said dielectric material and extending along the main microchannel or millichannel (3), wherein the high-voltage electrode(s) (5) and the ground electrode(s) (4) are located on opposite sides of the main microchannel or millichannel (3) so as to be able to generate an electric field inside the main microchannel or millichannel (3). The present invention relates also to a method for generating a plasma in a continuous manner using such a microfluidic or millifluidic device (1).

Method of producing a furanone compound

A method of photooxygenating furfural in a photooxygenating system, whereby a liquid mixture comprising furfural, a photosensitizer, and a reaction solvent is passed through a reaction section of the photooxygenating system, wherein the liquid mixture is exposed to solar radiation, while a portion of the furfural is oxidized in presence of the photosensitizer and a furanone compound is produced. Various embodiments of the photocatalytic water splitting reactor, and the water splitting system are also provided.

FLUID INJECTION USING ACOUSTIC WAVES

The present invention generally relates to the manipulation of fluids using acoustic waves such as surface acoustic waves. In some aspects, one fluid may be introduced into another fluid via application of suitable acoustic waves. For example, a fluid may be added or injected into another fluid by applying acoustic waves where, in the absence of the acoustic waves, the fluid cannot be added or injected, e.g., due to the interface or surface tension between the fluids. Thus, for example, a fluid may be injected into a droplet of another fluid. Other embodiments of the invention are generally directed to systems and methods for making or using such systems, kits involving such systems, or the like.

CHEMICAL ACTUATORS
20220032259 · 2022-02-03 ·

Disclosed herein are chemical actuators and ionic motive force transducers. The actuators and transducers are capable of converting an electrical stimulus into an ionic gradient within a reaction volume.

Method for producing microchannel, and microchannel

Provided is a method for producing a microchannel including an approximately circular cross section with neither a joined surface nor an inlet in a smaller number of steps than has been conventional. The method for producing a microchannel includes the steps of forming a layer of an uncured curable resin (2) on a substrate (1), inserting into the curable resin a needle body (3) that can inject a liquid (4), injecting a liquid in a tubular shape into the curable resin via the needle body while moving the needle body, extracting the needle body from the curable resin, and curing the curable resin to form a channel (4A) in a tubular region injected with the liquid.

FLOW PASSAGE STRUCTURE

The flow passage structure comprises: a plural number of ceramic flow passage layers laminated with one another, inside of which a flow passage is formed; two outermost layers disposed on respective sides of the plural number of flow passage layers in a lamination direction where the flow passage layers are laminated; an outer elastic sheets made of an elastic body, which is interposed between each of the outermost layers and the flow passage layer adjacent thereto; and a fastening member fastening the two outermost layers to each other, in a state that the two outermost layers sandwich the flow passage layers from both sides in the lamination direction.

PROCESSES FOR CARRYING OUT CHEMICAL REACTIONS IN FLUID PHASE IN THE PRESENCE OF FILMS COMPRISING CATALYST PARTICLES

The present invention relates to a process for carrying out a chemical reaction in a chemical reactor, in which at least one starting material, which is an organic chemical compound comprising 1 to 80 carbon atoms, is converted into at least one reaction product in a fluid phase in the presence of a film comprising solid catalyst particles, which catalyze said chemical reaction, and comprising an organic polymer in fibrillated form, wherein the mass fraction of the sum of the starting material and of the reaction product based on the total mass of the fluid phase is in the range from 0.01 to 1.

Microscale Chemical Reactors
20210379556 · 2021-12-09 ·

A catalytic microscale reactor with spiral reactor geometry may have a high surface area to volume ratio, high catalytic surface area, high heat transfer surface area, long residence time, and high single pass conversion. The catalytic surface may be treated with micro sphere spacer particles which serve to maintain the space between them at an engineered distance without the need for precise manufacturing techniques. The design of the reactor may allow for a catalyst surface to be removed, uncoiled, refurbished, and recoiled in an automated continuous process. An automated continuous process may be suitable both for initially preparing a new catalytic surface as well as refurbishing a fouled catalytic surface and may the time and cost to prepare a new surface.