Modular Flow Reactor with Adjustable Illumination for Photochemical Processes
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Solution Overview
Problem
Current modular photochemical reactor systems face limitations in achieving high-throughput and efficient thermal control, especially for exothermic or endothermic reactions, and struggle with optimizing radiation transmission and distribution for effective photochemical processes.
Innovation Solution
A modular, flexible flow reactor system comprising fluidic modules with transparent materials and adjustable illumination modules that allow for precise thermal control and optimized radiation transmission, using semiconductor emitters and reflectors to enhance reaction efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If modular photochemical reactor systems are used, then adaptability and ease of operation are improved, but thermal control efficiency and radiation transmission optimization are insufficient
Solution Approach 1:
The reactor system is divided into modular fluidic modules that can be independently configured and assembled. Each module contains segmented heating zones with independent temperature control, allowing thermal management to be optimized for specific reaction requirements without compromising overall system adaptability.
Solution Approach 2:
Different regions of the reactor are provided with localized thermal control through distributed heating elements and insulated sections. This enables specific zones to be heated or insulated according to the particular photochemical reaction requirements, improving thermal control efficiency while maintaining modular adaptability.
2Adaptability or versatility
If modular photochemical reactor systems are used, then adaptability and ease of operation are improved, but radiation transmission optimization is insufficient
Solution Approach 1:
The reactor incorporates optimized optical pathways with strategically positioned transparent windows and reflective surfaces in specific locations. This localized optimization of radiation transmission pathways ensures efficient light delivery to reaction zones while maintaining the modular configuration's adaptability.
Solution Approach 2:
High-transmission optical windows and reflective intermediaries are introduced between the light source and reaction zones to enhance radiation transmission. These intermediary elements optimize light delivery without interfering with the modular system's adaptability or requiring fundamental design changes.
3Productivity
If high-throughput photochemical processes are achieved, then productivity is improved, but thermal management challenges increase
Solution Approach 1:
The thermal management system is segmented into multiple independent heating and cooling zones along the reactor length. This segmentation allows different throughput regions to be thermally managed independently, enabling high-throughput processing while maintaining precise temperature control in each zone.
Solution Approach 2:
The reactor design enables continuous flow processing with constant thermal management through continuously operating heating and cooling systems. This continuous action maintains optimal temperatures throughout high-throughput operations, preventing thermal buildup while sustaining high productivity.
4Temperature
If effective thermal control is implemented, then temperature management is improved, but device complexity increases
Solution Approach 1:
Thermal control is segmented into discrete, independently controllable zones rather than requiring a complex centralized system. Each zone has simple heating and insulation elements that can be controlled separately, achieving precise temperature management while keeping individual component complexity low.
Solution Approach 2:
The reactor design incorporates passive insulation elements and thermally isolating features that automatically manage heat distribution without requiring complex active control systems. This self-service thermal management reduces device complexity while maintaining effective temperature control.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system achieves high-throughput and high-efficiency photochemical processes by ensuring effective thermal management and radiation distribution, enabling a wide range of chemical reactions, including photoreactions, with improved transmittance and reduced stray radiation.
Implementation Method 1
the first fluidic module has a transmittance through the first major outer surface (22a) to at least one of the one or more fluid passages (28a) of at least 20% over at least some range of wavelengths
Implementation Method 2
The one or more radiation sources (42a) desirably take the form of a plurality of semiconductor emitters (43a)
Implementation Method 3
a reflector (70a) positioned on, or merely facing, the second major outer surface (24a) of the first fluidic module (20a) so as to reflect such radiation as may pass outward through the second major outer surface (24a)
Implementation Method 4
A process fluid layer 21a is desirably positioned between first and second thermal control fluid layers 23a, 25a for best thermal control of relatively highly exothermic or endothermic reactions
Data Source
Figure 1
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AI summary
A flow reactor has a fluidic module with a first major outer surface. The module contains a fluid passage and has a transmittance through the first major outer surface to the fluid passage of at least 20% over a range of wavelengths. The reactor has an illumination module comprising one or more radiation sources, which can emit within the range, positioned within an enclosure. The enclosure has a back wall and a side wall and an opening opposite the back wall. An edge of the side wall surrounds the opening. The illumination module is positioned such that the opening of the illumination module faces the first major outer surface of the fluidic module. The side wall comprises a telescoping portion such that a distance from the back wall of the enclosure to the edge of the side wall is adjustable.