23results about "Liquid chemical processes" patented technology

The invention provides a reactor comprising a reaction chamber having a catalytic surface in contact with reactants in said chamber; and a source for passing electrical current through said catalytic surface. The reactor can be used for dehydrohalogentation reactions, such as dehydrochlorination of HCFC-244bb to HFO-1234yf, and for reactions where zero valent metals are employed for catalysis. The invention further provides a process to prepare HFO-1234yf from HCFC-244bb using an electrically heated reaction chamber.

A method and system for converting copper cyanide to copper oxide is provided. The method includes contacting a copper cyanide solution with an acidic solution in a precipitation tank under reaction conditions sufficient to produce a copper cyanide slurry, removing the copper cyanide slurry from the precipitation tank, separating solid copper cyanide from the copper cyanide slurry in a first separation device, removing the solid copper cyanide from the first separation device, contacting the solid copper cyanide with a sodium hydroxide solution in a production tank under reaction conditions sufficient to produce a copper oxide slurry, removing the copper oxide slurry from the production tank, separating solid copper oxide from the copper oxide slurry in a second separation device, and removing from the second separation device any residual sodium hydroxide not reacted during the process of contacting the solid copper cyanide with the sodium hydroxide solution in the production tank.

The invention relates to a process for the acylation of a solid material, known as the hydroxylated material, bearing hydroxyl groups (—OH), known as reaction-generating hydroxyls, which are accessible and capable of reacting with at least one fatty acid chloride in gaseous form, said hydroxylated material being scrolled through a chamber, known as the acylation chamber, delimiting an internal space under a gaseous atmosphere. The invention also relates to an acylation device for performing said process.

A liquid polymer or chemical activation system, having a chamber; a top cover plate, a middle cover plate and a bottom cover plate; wherein such configuration creates a hollow space inside the chamber that is flanked by the top cover plate and the bottom cover plate; a blending reactor with one or more inlets for receiving one or more substances; an upper multistage mixing cup configured to receive the one or more substances from the one or more inlets; at least one high shear mixer for mixing the one or more substances; at least one submersible actuator for actuating the high shear mixer; an intermediate blending section for receiving the one or more substances from the upper multistage mixing cup; a lower multistage aging cup for further mixing of the one or more substances; and at least one outlet on the bottom cover plate for releasing the one or more substances.

The invention relates to an autoclave device (10), in particular for leaching of nickel-containing ores, comprising at least two agitators (70) and at least one reaction vessel (14), wherein the reaction vessel (14) has at least one passage chamber (22). It is proposed that the at least two agitators (70) be positioned in the passage chamber (22) and the passage chamber (22) be designed so as to be free of partitions between the agitators (70) at least in a main flow direction (28) of a fluid conveyed through the reaction vessel (14).

The invention relates to the technical field of new energy hydrogen production, in particular to a formic acid liquid phase / vapor phase cascade hydrogen production system powered by waste heat of a power device. According to the system, waste heat generated in the operation process of power devices such as a hydrogen fuel cell engine can be fully utilized to heat formic acid hydrogen production reaction liquid, the temperature of the reaction liquid is increased, then the formic acid decomposition hydrogen production performance is enhanced, hydrogen produced by formic acid enters a hydrogen power device after being purified, and a hydrogen source is provided for the hydrogen power device.

Embodiments described herein relate to continuous aluminum-water reactor systems, methods, and associated devices for reacting aluminum fuel with water to produce thermal energy. A fuel loading apparatus may include a transfer tube including a transfer tube first end, a transfer tube second end, and a transfer tube wall therebetween defining a transfer tube passageway. The fuel loading apparatus also includes a reactor port extending radially from the transfer tube wall having a reactor port cavity disposed through the reactor port and the transfer tube wall into the transfer tube passageway.

Disclosed is a hydrogen reactor system having a hydrogen reactor configured to enable a chemical reaction involving aluminum and water to produce hydrogen and alumina. In accordance with an embodiment, the hydrogen reactor system also has a pressure regulator configured to regulate and control pressure inside the hydrogen reactor during the chemical reaction, a temperature regulator configured to regulate and control temperature inside the hydrogen reactor during the chemical reaction, and an aluminum slurry feed regulator configured to regulate and control a continuous feed of the aluminum and the water as an aluminum slurry into the hydrogen reactor during the chemical reaction, thereby enabling the hydrogen and the alumina to be continuously produced at a controlled rate. The aforementioned regulation and control enables the pressure and the temperature to be purposely operated in an elevated manner, which can increase purity of the hydrogen and the alumina being continuously produced.

A radial flow processing device includes a body with an inner chamber, a pair of inner and outer concentric tubes extending into the body, and a processing disk containing a central opening through which the inner tube extends, the disk being connected with the inner tube. The body has a top wall, a bottom wall, and at least one side wall which define the inner chamber. The bottom wall, top wall, or both, contain at least one opening through which at least one tube extends. A diameter of the inner tube is less than a diameter of the outer tube such that there is a space between both tubes, and a diameter of the disk is less than a width of the body.

Liquid silicate products derived from processed organic plant matter (112), such as rice hulls, have improved purity and properties for use in the production of higher purity amorphous silica compositions (180). The liquid silicate can be optically clear, can have a controlled ratio of silica to metal earth oxide components, and can have lower concentrations of undesirable contaminants such as aluminum, chloride, iron, sulfate, and titanium.

The invention relates to an autoclave device (10), in particular for the leaching of nickel-containing ores, with at least two agitators (70) and with at least one reaction vessel (14), wherein the reaction vessel (14) has at least one passage chamber (22). It is proposed that the at least two agitators (70) are arranged in the passage chamber (22) and that the passage chamber (22) is designed to be free of partitions between the agitators (70) at least along one main flow direction (28) of a fluid conveyed through the reaction vessel (14).

Provided herein are systems and methods for chemical reactions involving heterogeneous catalysis.

The present invention relates to a method for producing a thermally inhibited starch, the method comprising providing a volume of dehydrated starch having a pH value between 7.0 and 11 and having a moisture content of <2 wt. %, based on the weight of the starch, in a stirred batch reactor, said reactor being comprised with a gas inlet, and applying a flow of gas through the volume of dehydrated starch in the reactor while heating and stirring the starch to a temperature of at least 140° C. for a period of time sufficient to thermally inhibit the starch. In addition, the invention relates to a device for thermally inhibiting starch and use of a flow of gas in a stirred batch reactor during thermal inhibition of starch.

Embodiments described herein relate to continuous aluminum-water reactor systems, methods, and associated devices for reacting aluminum fuel with water to produce thermal energy. In some embodiments, a reactor vessel includes at least one filter with different mesh size openings to separate the aluminum fuel based on particle size. In some embodiments, a reactor vessel includes at least one inlet and spray nozzle to exfoliate aluminum fuel briquettes, decreasing particle sizes for increased surface area and reactivity. In some embodiments the continuous aluminum-water reactor system is configured to continuously add fuel and remove byproducts from the reactor vessel.

An apparatus for depolymerization of polymers, in particular polyesters, polyamides, polyurethanes and polycarbonates, comprises a microwave depolymerization reactor having a reaction chamber; a microwave generation and transport system to send microwaves into the reaction chamber and comprising a microwave generator and a guide device housed in the reaction chamber to convey and distribute microwaves in the reaction chamber; a mixing device, rotating around the axis in the reaction chamber and configured so as to dynamically distribute inside the reaction chamber a mixture of liquids and solids contained in the reaction chamber; and a pressurization system configured to vary the pressure within the reaction chamber.

Embodiments of the disclosure relate to a reactor. The reactor includes a first helical channel having a plurality of first turns and a second helical channel having a plurality of second turns. The plurality of second turns of the second helical channel alternate with the plurality of first turns of the first helical channel. The reactor also includes a permeable membrane that divides the first helical channel into a first passage and a second passage along a length of the first helical channel. The permeable membrane is configured to control a flow of fluid between the first passage and the second passage.

Provided is a method for producing an organic compound, the method making it possible to ensure an adequate reaction time and obtain a targeted substance at a high yield even in an organic reaction that requires a relatively long time to complete the reaction. A method for producing an organic compound, wherein the method is characterized in that: a fluid processing apparatus F used in the production method is equipped with an upstream processing unit that processes a fluid to be processed between at least two processing surfaces 1 and 2 that relatively rotate, and a downstream processing unit disposed downstream of the upstream processing unit, the downstream processing unit being provided with a plurality of labyrinth seals that function to retain and stir the fluid to be processed that has been processed by the upstream processing unit; due to the fluid to be processed, which contains at least one type of organic compound, being passed through the upstream processing unit, the fluid to be processed is subjected to upstream processing; due to the fluid to be processed that has been subjected to upstream processing being passed through the downstream processing unit, the fluid to be processed that has been subjected to upstream processing is subjected to downstream processing; and the upstream processing and the downstream processing are performed continuously.

The invention belongs to the technical field of photocatalytic reactors, and particularly relates to a flat plate type photocatalytic reaction device based on capillary self-driving and phase change circulation, which comprises a hollow cavity, a liquid storage cavity, a porous reaction core layer and a condensation light transmission mechanism. The porous reaction core layer is used for self-driving and pumping the reaction liquid in the liquid storage cavity by virtue of capillary force, and is subjected to catalytic reaction under illumination; solar energy drives liquid evaporation phase change, the evaporation phase change absorbs excess heat in a reaction system, and accurate and passive temperature control is achieved; and the generated steam is condensed at the condensation light-transmitting mechanism to realize gas-liquid separation. By coupling capillary self-driven and reaction heat-driven phase change circulation, the systematic problems of strong external dependence, low mass transfer efficiency and extensive heat management of a traditional photocatalytic reactor are solved in a passive system, and unification of structure simplification and performance improvement is realized.

The present invention relates to a fluidized bed reactor for continuously generating thermochemical heat energy by one of the following reactions: 1) solid particles of an alkaline earth metal or one of the metals from the group consisting of Li, B, Mg, Al, Si, Fe and Zn in elemental form with an oxidant in gaseous or vapor form such as steam, air, oxygen, etc., or 2) solid particles of an alkaline earth metal or one of the above metals in oxidized form with a hydrate in gaseous or vapor form to obtain a hydroxide. The reactor comprises a reactor chamber and an inlet located at a first end thereof for feeding the solid particles into the reactor. An array of fluidization stages is located within the reactor chamber, each of the fluidization stages comprising a plurality of nozzles for fluidizing the solid particles with a reactive fluidizing agent for initiating the reaction. The fluidization stages comprise one or more heat exchangers for selectively recovering heat released by the reaction. An outlet is located at an end of the reactor chamber opposite the first end for discharging the reactants.

A reactor system for the modification of lignocellulosic materials comprises a reaction vessel, a vacuum connection and an inlet and / or outlet connected to a gas flow loop connected to a heat exchanger and at least one fluid circulation device. Particularly, gas flow loop is arranged so as to allow gas circulation over the diameter of the reaction vessel. The gas flow loop preferably includes a gas distribution device, such as a distribution plate.

The present invention relates to a process for the acylation of a solid material having accessible hydroxyl groups (-OH), known as reaction product hydroxyls, known as hydroxylated material (30), capable of reacting with at least one fatty acid chloride (29) in gaseous form, which is scrolled through a chamber, known as acylation chamber (5), which defines an interior space under a gaseous atmosphere. The invention also relates to an acylation apparatus for carrying out the process.