Reactor Pipe Reynolds Number for Compact Acrylamide Production
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Solution Overview
Problem
In the production of acrylamide using continuous reaction with nitrile hydratase, there is a need to enhance space efficiency without compromising production efficiency.
Innovation Solution
The method involves setting the Reynolds number of the reaction liquid flowing in the reaction liquid feeding pipe to a predetermined range of 1800 to 22000, using a continuous tank reactor with multiple reaction tanks and a portable container system, where at least one tank is accommodated in the container, and optimizing the flow rate and tank volume ratios to achieve space saving without reducing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional continuous reaction systems are used for acrylamide production, then production efficiency is maintained, but space occupation is large
Solution Approach 1:
The invention changes the flow regime parameter (Reynolds number) from conventional low turbulence to high turbulence (1800-22000), which intensifies the reaction process and allows for compact reactor design. This parameter change enables achieving the same production efficiency in a smaller space by improving mass and heat transfer rates through enhanced turbulence.
2Volume of moving object
If reaction system is made compact for space saving, then space occupation is reduced, but construction cost and setup time increase
Solution Approach 1:
The invention segments the continuous reaction system into multiple independent reaction tanks (first reaction tank, second reaction tank, etc.) that can be independently constructed and then assembled. This modular segmentation allows for standardized manufacturing of each tank unit, reducing overall construction costs and enabling flexible setup configurations while maintaining the compact design.
3Productivity
If high turbulence flow is applied in reaction liquid feeding pipe, then production efficiency is improved, but energy consumption increases
Solution Approach 1:
The invention transitions from a single large-scale reaction system to a multi-stage reaction system with multiple tanks. This dimensional change in process architecture allows the turbulence to be applied selectively in the feeding pipe to enhance mixing and reaction rate, while the subsequent reaction tanks operate with reduced energy input, optimizing the overall energy efficiency of the system.
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
This approach allows for space-saving production of acrylamide, enabling the system to be easily transported and set up, reducing construction costs and time, while maintaining high production efficiency and product quality.
Implementation Method 1
a reaction liquid feeding pipe that feeds a reaction liquid from an upstream reaction tank to a downstream reaction tank
Implementation Method 2
a nitrile hydratase, which is an enzyme for converting a nitrile compound such as acrylonitrile into an amide compound
Implementation Method 3
converting a nitrile compound such as acrylonitrile into an amide compound
Data Source
AI summary
This method for producing a compound uses a continuous tank reactor which is provided with two or more reaction tanks for producing the compound and with a reaction liquid feeding pipe that feeds a reaction liquid from an upstream reaction tank to a downstream reaction tank, said method being characterized in that the Reynold's number of the reaction liquid that flows in the reaction liquid feeding pipe is configured to be 1800-22000. Furthermore, this compound production system is used in said method for producing a compound, and is formed by housing at least one of the reaction tanks in a portable container.