48results about "Liquid chemical processes" patented technology

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 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 present invention relates to a reaction system which is designed to perform chemical reactions in a liquid phase, in particular with the removal of a reaction substance, e.g. a reaction gas, without material losses caused by mechanical stirring devices, said reaction system comprising: a reaction vessel (1) having an upper region (1A) and a lower region B; and a circulation line arrangement (2) having at least one pump device (3), wherein the circulation line arrangement (2) comprises at least one fluid supply line part (4), which enters the reaction vessel (1) and has at least one outlet nozzle (5), and a fluid discharge line part (6), which exits the reaction vessel (1) in the lower region (1B) of the reaction vessel (1), wherein the at least one pump device (3) fluidically connects the at least one fluid supply line part (4) and the fluid discharge line part (6) outside the reaction vessel (1), wherein the at least one outlet nozzle (5) is oriented such that, in a circulation operation of the reaction system, a fluid exiting from the outlet nozzle sets the fluid present in the reaction vessel (1) into motion relative to a vertical axis of the reaction vessel (1). The present invention also relates to a method for performing chemical reactions in a liquid phase by means of the aforementioned reaction system.

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 method for producing para-xylene (PX) includes introducing a C8 aromatic-containing composition to a xylene rerun column to separate the C8 aromatic-containing composition into a xylene-containing effluent and a heavy effluent and passing the xylene-containing effluent to a PX processing loop that includes a PX recovery unit operable to separate PX from the xylene-containing effluent, a membrane isomerization unit operable to convert a portion of the MX, OX, or both to PX, an EB dealkylation unit operable to dealkylate EB to produce benzene, toluene, and other C7- compounds, and a membrane separation unit operable to produce a permeate that is PX-rich and a retentate that is PX-lean. The permeate is passed to the PX recovery unit for recovery of PX, which the retentate is bypassed around the PX recovery unit circulated through the xylene processing loop.

The photoreactor system 100 that is configured to break down contaminants in a solution includes a flow bed 102, a catalyst 104 coupled to a surface of the flow bed 102, and a UV light source 108 configured to emit UV light towards the catalyst 104. The photoreactor system 100 may also include an outlet 106 for disposing the solution over the flow bed 102. The catalyst 104 includes titanium dioxide. The outlet 106 may include a sprayer configured to emit the contaminant containing solution onto the flow bed 102 in a low-flow droplet form 110. The UV light may be collected in optical waveguides 112 coupled to the flow bed 102 to enhance the activation of the catalyst 104 on the flow bed 102.

The invention discloses a 4.5 [mu] m ultra-thin lithium battery copper foil prepared with high current density and a preparation process thereof. The preparation process sequentially comprises the steps of dissolving copper to prepare a solution, preparing an additive and manufacturing a raw foil. The copper dissolving liquid preparation is realized through a soaking type microporous copper dissolving device; the additive is prepared by dissolving a leveling agent, a brightening agent, an inhibitor and a nonionic active agent in water and then uniformly mixing; in the step of manufacturing the raw foil, a prepared copper sulfate solution and an additive are mixed to obtain an electrolyte, the electrolyte is conveyed into a raw foil machine through a pipeline, electrolysis is carried out under the high current density of 6100-6500 A / m < 2 >, and the 4.5-micron ultra-thin lithium battery copper foil is obtained. By adopting the technical scheme provided by the invention, the technical problems of low copper dissolving efficiency and complex additive ratio of a 4.5-micron preparation process under high current density are solved.

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 present invention pertains to the fields of materials engineering and chemistry. More specifically, the invention discloses a method for treating metal surfaces, as well as treated metal for products of economic interest. The invention further relates to a phosphating additive and a method for phosphating metal surfaces comprising mixing said additive with a phosphating agent. The treatment method of the present invention has surprising results for the treatment of metal surfaces. In addition, it enables replacement of the widely used phosphating process for treating metal surfaces, also providing a process with fewer treatment stages than conventional phosphating. This results in reagent savings and reduced waste generation, aligning with ESG (environmental, social and governance) practices.

A hydrogen generation system for mounting to a machine in which hydrogen generated by the system is utilised to provide energy to a prime mover thereof. The generation system comprises a reaction vessel arranged to hold a water containing liquid; a substance delivery apparatus for selectively delivering a substance to the reaction vessel, which on contact with the liquid interacts with the liquid to generate hydrogen; and a pressure regulator assembly arranged to deliver the hydrogen at a pressure above atmospheric pressure to an energy conversion apparatus downstream of the generation system.

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).

A method for producing an organic compound is provided, characterized in that a fluid treatment device (F) used in the above-mentioned production method comprises: an upstream side treatment section for treating a treated fluid between at least two treatment surfaces (1) and (2) rotating relatively to each other, and a downstream side treatment section arranged on the downstream side of the upstream side treatment section and provided with a plurality of labyrinth seals for retaining and stirring the treated fluid treated in the upstream side treatment section, wherein the upstream side treatment of the treated fluid is performed by passing the above-mentioned treated fluid containing at least one organic compound through the upstream side treatment section, and the downstream side treatment of the treated fluid treated on the upstream side is performed by passing the treated fluid treated on the upstream side through the downstream side treatment section, and the upstream side treatment and the downstream side treatment are performed continuously.

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.

A hydrogen generation system 2 for mounting to a machine in which hydrogen generated by the system is utilised to provide energy to a prime mover (such as an engine or fuel cell) is detailed. The gene

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 reactor system with a heating chamber, with at least one reactor with a reactor chamber, which has a first opening, and with a first isolating device, by way of which the first opening can be opened and can be closed in a gas-tight manner, wherein a conducting device for supplying and / or removing fluid is connected to the reactor chamber, wherein the at least one reactor has at least one reaction device with at least one block of solid medium, and with at least one transporting device, by way of which the at least one reaction device can be transported out of the reactor chamber through the first opening into a first position, in which the at least one reaction device is at least partially arranged in the heating chamber, and out of the heating chamber into a second position.

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.

A system for extracting hydrogen gas from a liquid hydrogen carrier may include a hydrogen gas reactor, a catalyst for facilitating extraction of the hydrogen gas from the liquid hydrogen carrier, and a reservoir for containing the liquid hydrogen carrier and a spend liquid hydrogen carrier. The system may be configured to regulate a flow of liquid hydrogen carrier in and out of the hydrogen gas reactor, to move a catalyst relative to a volume of the liquid hydrogen carrier, and to provide a continuous flow of the hydrogen gas, in response to a demand for the hydrogen gas.

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 silicon oxide preparation method and a preparation device thereof, and more particularly, to a silicon oxide preparation method capable of continuously preparing silicon oxide by a liquid phase-solid phase reaction by introducing a silicon-based molded body into silicon molten metal, and a preparation device thereof.

An energy conversion system includes a reactor vessel, a jacket disposed within the reactor vessel, the jacket having a wall that defines a chamber, a first end, and a second end opposite the first end, and a nozzle coupled to the reactor and arranged to direct a continuous flow of fuel at a flow rate into the chamber. The fuel including a mixture of a metal compound and water at a pressure that is greater than 221 bar. A cooling space is formed between the jacket and the reactor vessel and is operable to maintain a temperature of the fuel within the chamber between 374 and 800 degrees Celsius. A first gas outlet is in fluid communication with the chamber and is arranged to discharge a gas, and an outlet is in fluid communication with the chamber and is arranged to continuously discharge a reaction product and water.

A reaction chamber for generating hydrogen gas using a hydrogen liquid carrier line may include a channel including a catalyst for causing the hydrogen gas to be produced from a hydrogen liquid carrier, the channel including an inlet end for the hydrogen liquid carrier and an outlet end for a spent carrier. The reaction chamber may also include a valve for controlling a rate of flow of the hydrogen liquid carrier flowing through the channel; a gas outlet for evacuating the hydrogen gas generated in the channel; and at least one processor configured to receive at least one indicator of a demand for the hydrogen gas and to control the valve to adjust the rate of flow of the hydrogen liquid carrier to meet the demand for the hydrogen gas.

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.