Parallel Reactor Load Permutation for Catalyst Ramp-Up Reduction
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Solution Overview
Problem
Reactor plants with multiple reactors face inefficiencies due to high energy requirements and lengthy ramp-up times when recovering from load disturbances, especially with intermittent renewable energy sources, leading to suboptimal reaction processes and increased carbon footprint.
Innovation Solution
A reactor system with multiple reactors connected in parallel, where the operation load is periodically permuted to maintain catalysts in high load adaptation mode, reducing the need for ramp-up times and optimizing reaction efficiency even during reduced load availability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the reactor operates with intermittent renewable energy sources, then the plant can utilize sustainable energy, but the reaction process becomes inefficient due to load disturbances and lengthy ramp-up times
Solution Approach 1:
The system dynamically adjusts the operation load distribution among multiple reactors based on real-time energy availability. The control unit continuously monitors load conditions and permutes operation loads between reactors, allowing the system to adapt to intermittent renewable energy input while maintaining optimal reaction conditions in at least one reactor at all times.
Solution Approach 2:
The system maintains at least one reactor in a standby state with pre-adapted catalysts ready for high load operation. This preliminary preparation ensures that when energy becomes available, the reaction can immediately proceed at optimal efficiency without lengthy ramp-up times, thus maintaining productivity while utilizing renewable energy sources.
2Reliability
If the reactor recovers from load disturbances, then the reaction can resume, but high energy requirements and lengthy ramp-up times reduce overall efficiency
Solution Approach 1:
The system maintains at least one reactor in a standby state with pre-adapted catalysts ready for high load operation. This preliminary preparation ensures that when energy becomes available, the reaction can immediately proceed at optimal efficiency without lengthy ramp-up times, thus maintaining productivity while utilizing renewable energy sources.
Solution Approach 2:
The system uses multiple reactors as functional copies, where at least one reactor serves as a backup ready to take over operation. When a reacting reactor needs to ramp down or experience disturbances, the standby reactor with pre-adapted catalysts can immediately assume the reaction, avoiding the energy-intensive and time-consuming ramp-up process.
3Loss of energy
If the operation load is reduced to match intermittent energy availability, then energy consumption aligns with supply, but reaction efficiency decreases due to catalyst adaptation to low load
Solution Approach 1:
The system dynamically switches between reactors based on energy availability. When energy supply is intermittent or reduced, the control unit redirects the operation load to a standby reactor with pre-adapted catalysts, maintaining high reaction efficiency. This dynamic reallocation ensures that energy waste is minimized while preserving productivity through catalyst adaptation management.
Solution Approach 2:
The system changes the operational parameters by switching between different reactors with different catalyst adaptation states. Instead of reducing the operation load on a single reactor and accepting efficiency loss, the system changes which reactor is active, selecting one with catalysts adapted to the current energy conditions, thus maintaining both energy efficiency and reaction output.
4Productivity
If multiple reactors are used to ensure continuous optimal output, then productivity is maintained, but device complexity increases
Solution Approach 1:
The system segments the reaction process across multiple reactors, with at least one reactor serving as a standby with pre-adapted catalysts. This segmentation allows the system to maintain continuous optimal productivity by switching between reactors as needed, while the modular nature of the segmentation keeps the added complexity manageable and organized.
Solution Approach 2:
The system uses a simplified copy approach where the standby reactor is essentially a duplicate of the reacting reactor with pre-adapted catalysts. This copying strategy ensures productivity continuity without requiring complex different configurations, as the standby unit can be a near-identical replica ready to take over when needed.
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 ensures continuous optimal reaction output with reduced energy consumption, minimizing ramp-up times, and maintaining high efficiency even under non-ideal conditions, while also reducing environmental impact by optimizing the use of renewable energy sources.
Implementation Method 1
such reactors typically employ a catalyst, which converts or synthesizes from suitable starting materials a desired product
Implementation Method 2
the term 'biocatalyst' is defined as and comprises any hydrogenotrophic methanogen suitable to be used alone or in co-culture in a methanation process
Data Source
AI summary
A reactor plant according to the present invention comprises two or more reactors, connected in parallel to each other. Each of the two or more reactors comprise a load sensitive catalyst. The reactor plant is characterized by its capability and corresponding control systems to periodically permutate the operation load in the individual reactors. Particularly in a situation, when the plant operates with reduced operation load, the two or more reactors are configured to periodically permutate their operation load.