523 results about "Chemical reactor" patented technology

The invention discloses a double-medium thermochemical energy storage system and method. The double-medium thermochemical energy storage system comprises a first regulating valve, a gas storage tank, a thermochemical reactor, a fan, a steam pocket, a water feeding pump and a circulating water pump, the first regulating valve is communicated with an inlet of the gas storage tank through the fan and the electric heater, an outlet of the gas storage tank is communicated with an inlet of a heat exchange tube in the thermochemical reactor, an outlet of the heat exchange tube in the thermochemical reactor is divided into two paths, one path is communicated with an inlet of the fan, and the other path is communicated with a shell side inlet of the steam pocket; a bottom outlet on the shell side of the steam drum is communicated with an inlet of the circulating water pump after being combined with an outlet of the water feeding pump through a pipeline, an outlet of the circulating water pump is communicated with an inlet of a heat exchange pipe in the thermal chemical reactor, a shell side outlet of the thermal chemical reactor is communicated with the pipe side of the steam drum, and a pipe side inlet of the thermal chemical reactor is communicated with a drainage pipe. According to the system and the method, the heat exchange efficiency of the thermochemical reactor can be improved.

The invention discloses a deep learning and automatic control chemical reactor and a resource recovery method, and relates to the technical field of hydrometallurgy, and the deep learning and automatic control chemical reactor comprises a chemical reactor, a motor, a heating device, a monitoring device, a data center and a PLC control system. Based on a PLC control system, a Transform-LSTM time sequence prediction model is integrated, so that real-time monitoring of parameters such as mixed liquid temperature, reaction chamber pressure, mixed liquid viscosity, conductivity and the like in a wet leaching reaction process can be realized; and the heating power of the heating device, the rotating speed of the motor, the raw material adding amount of the feeding port, the mixed material discharging time of the discharging port and the air displacement of the air exhaust port can be automatically and accurately controlled. The problems that stirring efficiency is low, parameter regulation and control are lagged, and manual experience is relied on are solved, through a predictive control strategy, the real-time monitoring and dynamic regulation level is remarkably improved, the wet leaching process is optimized, energy consumption is reduced, the high-grade metal leaching efficiency is improved, and the method is suitable for various wet metallurgy processes.

An electrically heated chemical reactor is described for efficiently supplying reaction heat to the endothermic catalytic chemical processes as an alternative to or in combination with conventional heating methods.

An electrochemical reactor, including a channel for containing and directing flow of an electrolyte stream, wherein the electrolyte stream includes an electrolyte and an iron-containing feedstock; an anode and a cathode positioned in contact with the channel; and a source of a magnetic field positioned in proximity to the cathode, wherein the electrochemical reactor is configured to electrochemically reduce at least a portion of the iron-containing feedstock to iron metal at a surface of the cathode and in a magnetic field of the source, and wherein the at least a portion of the iron-containing feedstock is electrochemically reduced to the iron metal at a current efficiency of at least 0.75, wherein the current efficiency is a ratio of charge used for the reduction of the iron-containing feedstock to a total charge provided to the cathode.

The invention relates to the technical field of intelligent control of chemical reactors, and discloses an intelligent temperature control system for a step-by-step catalytic cracking reactor, which comprises a temperature field modeling module, a sensor configuration module, an index definition module, a control execution module, an analysis and diagnosis module and the like. The temperature field modeling module constructs a standard temperature field distribution model through infrared thermal imaging and generates virtual temperature points; the sensor configuration module is used for arranging a real temperature point and acquiring a temperature gradient and a temperature point missing rate; the index definition module sets a preset temperature index based on the thermodynamic parameters; the control execution module realizes steady state, dynamic response, heat balance and composite regulation and control; and the analysis and diagnosis module carries out fault tracing on the target which does not pass regulation and control and adjusts a strategy. The system further comprises a data acquisition module and a communication interface module, so that data storage and external communication are realized. The method improves the temperature control precision and the system self-adaption capability, and is suitable for the complex temperature control scene of the catalytic cracking reaction.

The invention relates to the technical field of chemical reactors, in particular to a quench cooling system and method for a fixed bed reactor, and the system comprises temperature sensor array units which are distributed on each bed layer of the reactor and are used for collecting temperature data in real time; the intelligent control unit is connected with the temperature sensor array unit, receives the temperature data and sends a control instruction based on a preset algorithm, the flow regulating valve group unit and the heat exchanger unit; the flow regulating valve group unit is arranged on a cold shock gas pipeline and is used for accurately regulating and controlling the flow and the flow direction of the cold shock gas according to an instruction of the intelligent control unit; and the heat exchanger unit is connected with the quench gas pipeline and the raw material pre-heater and is used for recovering the waste heat of the quench gas for heat reutilization. According to the invention, strict temperature threshold control effectively prevents catalyst deactivation and temperature runaway caused by too high temperature, prolongs the service life of the catalyst, reduces production loss caused by failure shutdown of the reactor, and improves continuity and stability of production.

The invention relates to the technical field of chemical reactors, in particular to a modular chemical reactor. Comprising a middle shell and conical shells fixedly connected with the two ends of the middle shell. The end part of the conical shell is fixedly connected with a flange; the inner walls of the left and right ends of the middle shell are connected with baffle plates; a reaction tube and a central column penetrate through the space between the two baffle plates; the left baffle disc is fixedly connected with the reaction tube and the central column, and the right baffle disc is movably and hermetically connected with the outer wall of the reaction tube, the outer wall of the central column and the inner wall of the middle shell; a left groove is formed in the left portion in the middle shell. A movable groove communicated with the left groove is formed in the right position of the inner wall of the middle shell; the length of the shell pass is changed by adjusting the distance between the two baffle plates, so that the chemical reactor can meet the reaction requirements of different products, and the application range is wide.

The invention relates to the technical field of reactor cleaning equipment, and specifically proposes a chemical reactor inner wall cleaning device; the device comprises a main frame, a slide rail frame is fixed at the bottom end of the main frame, two side wall scrubbing assemblies are horizontally slidably installed on the main frame, and two bottom brushes are installed at the bottom end of the slide rail frame; the main frame is also equipped with a radial driving mechanism for driving the two side wall scrubbing assemblies and the two bottom brushes to slide synchronously in opposite directions; the two side wall scrubbing assemblies are respectively provided with cylindrical brush body cylinders; the cleaning device provided by the invention can, on the basis of satisfying the requirement of comprehensive cleaning of the reactor, timely and automatically clean the brush body part after the reactor is cleaned, and can store the brush body part in a light-proof and dust-proof manner, thereby ensuring the cleanliness of the brush body before another cleaning operation, facilitating subsequent cleaning operations, and extending the service life, reducing the replacement frequency of the brush body part as a consumable, and saving the use cost.

A system utilizes an electrochemical reactor to convert salt into acid and base products. The salt is sourced from seawater, brine or another aqueous salt feedstock solution that typically also includes divalent ions. A small (slipstream) portion of the base product generated by the electrochemical reactor is fed back to a chemical precipitator where it is utilized to increase a pH level of the aqueous salt feedstock solution above a precipitation level of at least some the divalent ions, thereby causing precipitation of the divalent ions into insoluble solids. The insoluble solids are then filtered or otherwise separated / removed from the remaining supernatant solution (i.e., the aqueous salt / base solution formed by a mixture of the residual aqueous salt feedstock solution and base product). The supernatant solution is then supplied to the electrochemical reactor for conversion of its salt into additional acid and base product.

The utility model discloses a vertical thermal cycle chemical reaction kettle which comprises a reaction kettle body, a cover body is installed at the upper end of the reaction kettle body, a motor is installed at the upper end of the cover body, a rotating shaft of the motor is connected with a stirrer, and according to the vertical thermal cycle chemical reaction kettle, the motor, the stirrer, a left filter screen and a right filter screen are driven to be dismantled by dismantling the cover body. The left filter screen and the right filter screen are conveniently installed in a butt joint mode through the design of the left screw rod, the nut and the right screw rod, so that the stirrer can be conveniently connected in a sleeved mode, and the stirring effect is improved. According to the design that clamping blocks are clamped with limiting blocks, the left filter screen and the right filter screen can be conveniently and rapidly installed to rotate, the situation that a stirrer rotates to drive the left filter screen and the right filter screen to rotate is prevented, and a water pipe can be conveniently and fixedly installed by rotating a screwing nut and making a fixing rod be in butt joint with an installation screw rod; the interior of the reaction kettle is convenient to wash and maintain.

The invention belongs to the technical field of recycling of waste wind power blades and preparation of regenerated boards, and discloses a regenerated board highly filled with modified waste wind power blade powder and a preparation method of the regenerated board. The preparation method comprises the following steps: crushing a waste wind power blade product, and then adding the crushed waste wind power blade product into a millstone-shaped solid-phase mechanochemical reactor for grinding and crushing; the collected wind power blade powder is modified by selectively utilizing a silane coupling agent KH560, and a PMDI adhesive is matched and selectively used for blending a mold and pressing a plate. Under the condition of the specific combined treatment process, 90 wt% ultrahigh filling of the waste wind turbine blade powder can be achieved, the mechanical property of the prepared regenerated board is effectively improved, the regenerated board has good compactness, mechanical property and hardness, the performance greatly exceeds that of a traditional artificial board product, the technical requirements of formaldehyde-free environment-friendly materials are met, and the regenerated board is suitable for industrial production. And a new way is provided for large-scale recycling of the retired wind power blades.

The invention discloses a chemical reaction kettle capable of preventing materials from adhering to the inner wall of the reaction kettle, which comprises a reaction kettle body, a kettle cover is detachably mounted on the reaction kettle body, a feeding pipe is fixedly mounted on the kettle cover, a pipe cover is detachably connected to the feeding pipe, a pressure gauge is fixedly mounted on the kettle cover, and the pressure gauge is detachably connected to the pipe cover. A discharging pipe is fixedly connected to the bottom of the reaction kettle body, an electromagnetic valve is fixedly mounted on the discharging pipe, a mounting frame is fixedly connected to the kettle cover, a driving motor is fixedly mounted on the mounting frame, a rotating shaft is coaxially and fixedly connected to a driving shaft of the driving motor, and the rotating shaft is rotatably mounted in the reaction kettle body; and a mounting disc is fixedly mounted outside the rotating shaft. According to the reaction kettle disclosed by the invention, the flow direction of the stirred material is controlled, so that the material adhered to the inner wall of the reaction kettle body is reduced, the material adhered to the inner wall of the reaction kettle body is scraped, the reaction rate and the product quality are improved, and the cleaning and maintenance cost is reduced.

The invention provides a method for preparing a super-hydrophobic anti-freezing coating by utilizing a waste wind power blade, which comprises the following steps of: primarily crushing a waste wind power blade material, adding into a millstone-shaped solid-phase mechanochemical reactor for grinding and crushing, collecting to obtain wind power blade powder, and modifying the wind power blade powder by a sulfydryl-containing silane coupling agent to obtain the super-hydrophobic anti-freezing coating. And carrying out a thiol-ene click chemical reaction with fluorine-containing acrylate to generate super-hydrophobic anti-freezing composite powder, and mixing the super-hydrophobic anti-freezing composite powder with a solvent to prepare the super-hydrophobic anti-freezing coating. The high-performance super-hydrophobic anti-freezing coating is prepared by modifying wind power blade powder with special performance obtained by grinding a waste wind power blade material based on an industrial millstone-shaped solid-phase mechanochemical reactor, and a coating layer formed by coating the coating has the characteristics of a hierarchical structure and low surface free energy; and good mechanical performance, durability, chemical stability and anti-icing performance are achieved, and a high-value application scene is expanded for recycling of waste wind power blade materials.

The utility model relates to the field of automatic pressure regulating valves, and discloses an automatic pressure regulating device for a chemical reactor, which comprises a pressure regulating valve and a clamping box, a first limiting plate is fixedly assembled at one end of the clamping box, an inserting groove is arranged at the other end of the clamping box, and a plurality of baffles are fixedly assembled on the inner wall of the inserting groove. And movable grooves are symmetrically formed in the end face of the other end of the clamping box and located on the two sides of the insertion groove, and movable plates are arranged in the movable grooves. According to the chemical pressure regulating valve, the clamping box is matched with the assembling flange and the fixing flange, and the problems that existing flanges are fixed through bolts and nuts, the bolts and the nuts are prone to loosening after being used for a long time, air tightness between pipelines becomes poor, and the using effect of the chemical pressure regulating valve is affected are solved.

An electrochemical reactor comprising a source of a magnetic field positioned in proximity to a cathode and configured to generate a magnetic field; and an electrochemical cell comprising an anode and the cathode, and further comprising a catholyte channel configured to direct a catholyte stream comprising an iron-containing feedstock to the cathode; an anolyte channel configured to direct an anolyte stream comprising a metal chloride to the anode, wherein the catholyte channel and the anolyte channel are disposed between the cathode and the anode; and a separator disposed between the catholyte channel and the anolyte channel, wherein the electrochemical reactor is configured to electrochemically oxidize chloride anions to chlorine gas at a surface of the anode, and wherein the electrochemical reactor is further configured to electrochemically reduce the iron-containing feedstock to an iron particle comprising iron metal at the surface of the cathode and in the magnetic field.

An embodiment represents composition of molecules in a feedstock as a combination of individual molecule representations and molecular attribute representations. A representation of chemistry of a chemical reaction of the feedstock in a chemical reactor is then formulated based on the representations. Then, a simulation of the chemical reaction of the feedstock in the reactor is performed using the representations to determine composition of products of the reaction. A first subset of the products are represented as individual molecule represented products, and a second subset of the products are represented as attribute represented products. In turn, the attribute represented products of the second subset are sampled to determine individual molecule representations of the attribute represented products. As a consequence of the sampling, individual molecule representations of the first and second subsets of the products of the chemical reaction of the feedstock in the chemical reactor result.

The invention relates to the technical field of waste plastic harmless treatment, and discloses a solar heat supply plastic liquefaction-gasification two-step hydrogen-electricity co-production system and method.The system comprises a solar fused salt heat storage system, a liquefaction reactor, a gasification reactor, an organic Rankine cycle power generation device, a gasification reaction system and a hydrogen separator; the input end of the gasification reactor is provided with branches, the input end of one branch is connected with the output end of the liquefaction reactor, and the input end of the other branch is connected with the input end of the solar fused salt heat storage system; the input end of the solar fused salt heat storage system is used for inputting liquid H2O; the input end of the gasification reaction system is provided with branches, the input end of one branch is connected with the output end of the gasification reactor, and the input end of the other branch is used for inputting supercritical H2O; efficient conversion from waste plastic to high-value hydrogen-rich synthesis gas is achieved, meanwhile, input of high-grade electric energy of the system can be effectively reduced through the solar photo-thermal fused salt energy storage technology, and the economical efficiency of the system is improved.

The invention provides a synthetic method of 2-fluoroacrylic acid. Relates to the technical field of 2-fluoroacrylic acid synthesis. The method comprises the following steps: S1, taking 2-fluoropropionic acid as a raw material, specifically an oxidation method; reagents: 2-fluoropropionic acid, an oxidizing agent, a catalyst and an organic solvent; instruments comprise a reaction container, a reflux condensation pipe, a stirring device, a thermometer and a heating device. 2-fluoropropionic acid is selected as a raw material, an appropriate reaction container is selected, a chemical reaction kettle can be preferentially selected as the reaction container, in the process of adding a toxic or irritant reagent, inert gas is added to protect the reagent in the process of adding the reagent again, it is guaranteed that the reagent is safer when entering the reaction kettle, and the reaction is more stable. The inert gas (specifically preferably nitrogen and the like) is mixed with the reagent to enter in a linkage integrated manner in the adding process, so that the stability of the reagent during passing can be well ensured, the density of the reagent can be reduced, and reaction is not easy to form.

The invention discloses a circulating energy storage system and method for preparing hydrocarbon fuel from air, and relates to the technical field of energy. The system comprises an energy collection device, a water electrolysis unit, a CO2 absorption unit and a chemical reactor, wherein the energy collecting device is used for converting renewable energy into electric energy and heat energy respectively; the water electrolysis unit is used for capturing water in air and performing in-situ electrolysis by using electric energy to obtain hydrogen; the CO2 absorption unit is used for capturing CO2 in the atmosphere by using an adsorbent or an absorbent; and the chemical reactor is used for performing in-situ synthesis on the hydrogen and CO2 captured and fixed by the CO2 absorption unit under the action of a catalyst by utilizing heat energy to obtain the converted hydrocarbon fuel. According to the invention, under the driving of solar energy, raw materials captured in air can be converted into hydrocarbon fuel and energy storage is carried out.

The utility model relates to the technical field of reaction kettles, and discloses a chemical reaction kettle with a vertical structure, which comprises a kettle body, a kettle cover, a stirring shaft and two stirring components, the kettle cover is fixedly mounted at the top of the kettle body, the stirring shaft is rotatably mounted in the kettle cover, and the two stirring components are fixedly mounted on the stirring shaft; according to the utility model, the plug board can be unlocked by pressing the button to separate the limiting rod from the limiting hole, the movable clamping plate slides to drive the plug board to slide out of the slot, and the movable clamping plate is rotated to be far away from the stirring paddle, so that the stirring paddle can be unlocked, after the stirring paddle is taken down, a new stirring paddle is attached to the mounting groove, and the movable clamping plate is rotated to be attached to the stirring paddle; the button is pressed again, the movable clamping plate slides to enable the inserting plate to be inserted into the inserting groove, then the button is loosened, the limiting rod can enter the limiting hole under pushing of the spring at the moment, the inserting plate and the stirring paddle are locked, the bolt dismounting work is simplified into the mode that the button is pressed and the movable clamping plate is moved, time and labor are saved, and the replacement efficiency can be improved.

The invention belongs to the field of chemical reaction equipment, and discloses a triple enhanced flow field structure for enhancing a micro-flow field reaction process, which comprises a channel shell and a flow field structure arranged in a channel, the channel shell comprises a mixing channel, an outlet and at least two inlet channels, all the channels are circular through holes, and the flow field structure is arranged in the mixing channel. The flow field structure is formed by sequentially and alternately arranging and combining first flow field structures and second flow field structures, at least two reaction fluids enter the mixing channel through the inlet channel to be mixed, and the mixed fluid flows out through the outlet. The invention provides a safe, efficient and easy-to-amplify micro-flow field chemical reactor, and provides a universal solution for industrial processes such as nano-emulsion preparation, heterogeneous catalytic reaction, drug-loaded microsphere preparation and the like.

The present invention discloses an intelligent temperature control system for an intelligent reactor and its control process. The key technical aspects of the system are: a central processing unit (CPU); a temperature monitoring module connected to the CPU via an I2C interface for acquiring real-time temperatures inside and outside the chemical reactor, thereby transmitting external and internal temperature signals to the CPU; and a temperature regulation module coupled to the CPU via a drive circuit. The system utilizes a small, high-power AC relay connected to a semiconductor refrigeration unit and a heater to maintain a circuit break during heating, preventing instability caused by simultaneous heating or cooling. During signal transmission, the system also incorporates a single-channel output transistor coupler, which, through coupling, achieves electrical isolation and interference resistance, thereby improving control accuracy.

The present invention relates to the field of semiconductor manufacturing technology, and specifically to a single crystal silicon sample etching device, comprising a chemical reactor, a chemical reaction tank provided on one side of the chemical reactor, a fixture provided above the chemical reaction tank, a control mechanism provided on the chemical reactor for controlling the raising and lowering of the fixture, two rotating rods provided on the fixture for circumferential rotation or axial sliding, and a plurality of supports for placing crystals mounted on the outer surfaces of the two rotating rods. The beneficial effects of the present invention are as follows: utilizing the two rotating rods to control a plurality of crystals to simultaneously swing back and forth and slide back and forth, firstly, facilitating the accurate placement or removal of crystals, and secondly, greatly increasing the contact area and frequency between the crystal surface and the chemical etchant, thereby allowing two adjacent crystals to press liquid toward each other, accelerating the etching rate, and also promoting the automatic detachment of small bubbles attached to the crystal surface.

The invention belongs to the field of thermochemical energy storage, and discloses a thermochemical energy storage device based on inductive heating and an operation method thereof, the thermochemical energy storage device comprises a thermochemical reactor, an inductive heating reaction module and an inductive coil; an inner cavity of the thermal chemical reactor is sequentially divided into a preheating section, an inductance heating section and a cooling section from top to bottom, and the inductance heating reaction module is vertically arranged in the inductance heating section; the inductive heating reaction module comprises a plurality of annular cylinders and a steam inlet and outlet pipe, and the annular cylinders are coaxially arranged and sleeved at intervals; a heat exchange working medium channel is formed between every two adjacent annular cylinders; each annular cylinder body comprises a metal inner cylinder and a metal outer cylinder which are coaxial and sleeved at an interval, and an annular material channel is formed between the metal inner cylinder and the metal outer cylinder; the steam inlet and outlet pipes are vertically arranged in the annular material channel and are annularly distributed at intervals; the inductance coil is wound on the outer side of the thermal chemical reactor and is arranged in the area range of the inductance heating section; the rapid and uniform heating requirement in the thermochemical energy storage process is met.

This utility model provides a chemical reactor with waste heat recovery function, including a reactor, a stirring device installed inside the reactor, and a waste heat recovery device installed outside the reactor. The stirring device includes a rotating shaft and multiple sets of stirring rods. The multiple sets of stirring rods are connected to the rotating shaft through a detachable structure. The detachable structure includes an mounting groove equally spaced at the top of the rotating shaft, and a mounting block matching the mounting groove is provided on one side of each set of stirring rods. A limiting plate is rotatably fitted on the outer wall of the top of the rotating shaft. The detachable design of the stirring rods in this utility model improves maintenance convenience: through the cooperation of the mounting groove, mounting block, limiting plate, and disassembly groove, the stirring rods can be quickly disassembled and assembled from the rotating shaft. When it is necessary to replace different types (such as turbine type, paddle type) of stirring rods or to perform maintenance, the disassembly groove can be aligned with the mounting groove by rotating the limiting plate, making it easy to remove or install the stirring rods, reducing the complexity of maintenance operations.

This document describes an electrode for the electrochemical decontamination of a liquid or a liquid-containing mixture. The electrode has a coating designed to promote the electrochemical decomposition of a contaminant. Furthermore, an electrochemical reactor is provided, also designed for the electrochemical decontamination of a liquid or a liquid-containing mixture. The reactor includes a first electrode, which can be operated as an anode and is designed to promote the electrochemical decomposition of a contaminant. The reactor and the electrode are configured such that the liquid or liquid-containing mixture flows past the electrode and comes into contact with at least a portion of its surface.

The invention relates to an improved process for the manufacture of a fluorinated organic compound, wherein the process comprises a fluorination reaction of an organic precursor compound having at least one chlorine substituent and / or at least one double bond, and said organic precursor compound is reacted in liquid phase in HF (hydrogen fluoride) serving as solvent and fluorinating agent in the presence of a fluorinating catalyst, and wherein the fluorination reaction is performed in liquid phase in a SiC block chemical reactor, and wherein the reaction mixture is withdrawn from SiC block chemical reactor, and wherein the process comprises optionally isolating and / or purifying the targeted fluorinated organic compound.

The utility model relates to the technical field of chemical reaction vessels, in particular to a constant-temperature heating reaction bottle. The constant-temperature heating reaction bottle comprises an outer bottle body and an inner bottle body inserted into the outer bottle body, a temperature control pipe is installed in the middle of the outer bottle body, a concave part matched with the temperature control pipe in a clamped mode is integrally formed in the middle of the inner bottle body, an inner glass coil pipe is arranged in the temperature control pipe, an outer glass coil pipe is arranged in an inner cavity of the outer bottle body, and the inner glass coil pipe is connected with the outer bottle body in a clamped mode. The liquid outlet end of the outer glass coil pipe is communicated with the liquid inlet end of the inner glass coil pipe, and a heating assembly is installed in the temperature control pipe. The constant-temperature heating reaction bottle provided by the utility model has the advantage of simple structure.

The invention provides a photoreactor assembly (1000) comprising a photochemical reactor (200) and a light source arrangement (700); wherein: (A) the light source arrangement (700) comprises a plurality of light generating devices (100) comprising (i) a first light generating device (110), configured to generate first device light (111) having a first peak wavelength (λp1), and (ii) a second light generating device (120), configured to generate second device light (121) having a second peak wavelength (λp2); wherein |λp1- λp2|≥10 nm; wherein the first device light (111) and the second device light (121) are individually selected from one or more of UV radiation, visible radiation, and IR radiation; (B) the photochemical reactor (200) comprises a reactor chamber (250) configured to receive a reactor fluid (5); wherein the photochemical reactor (200) comprises a light transmissive window (205) comprising a light transmissive material (211) that is transmissive for at least part of the first and second device light (111,121); (C) the photochemical reactor (200) and the light source arrangement (700) are configured such that (a) the first light generating device (110) irradiates via the light transmissive window (205) a first reactor sub volume (V1) of a reactor volume (V) of the reactor chamber (250); and (b) the second light generating device (120) irradiates via the light transmissive window (205) a second reactor sub volume (V2) of the reactor volume (V) of the reactor chamber (250); wherein the first reactor sub volume (V1) and the second reactor sub volume (V2) at least partially overlap thereby providing an overlapping reactor sub volume (V12); and (D) the photoreactor assembly (1000) is configured to provide in a first operational mode of the photoreactor assembly (1000) the first device light (111) and the second device light (121) in the reactor sub volumes (V1,V2).