Gasifier Start-Up Emission Capture and Storage System
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Solution Overview
Problem
Gasification systems face inefficiencies and increased emissions during start-up due to inoperable treatment processes, which fail to capture and process byproducts like carbon dioxide, chlorides, and sulfides effectively.
Innovation Solution
A system comprising a capture, storage, and return system that captures emissions during start-up using regenerable materials and stores them for later processing when the gasification system is operational, allowing for efficient reduction of emissions by utilizing these byproducts in downstream systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If treatment processes are used to remove byproducts during gasification, then emissions are reduced, but the system cannot operate effectively during start-up when treatment processes are not yet operational
Solution Approach 1:
The capture system is activated during start-up operations to preliminarily capture emissions before the main treatment processes become operational. This preliminary action ensures that harmful factors are managed from the beginning of operations, preventing emissions during the critical start-up phase when treatment processes are not yet functional.
Solution Approach 2:
A capture system acts as an intermediary between the gasification system and the atmosphere during start-up. This intermediate system temporarily handles emissions that the main treatment processes cannot yet address, bridging the gap during the transition period and ensuring continuous emissions management.
2Ease of operation
If emissions are released during start-up, then the system can operate during start-up, but atmospheric pollution increases
Solution Approach 1:
The capture system converts the harmful emissions produced during start-up into a manageable stream that can be temporarily stored or processed. By capturing what would otherwise be harmful atmospheric pollution, the system transforms a harmful byproduct into a controlled intermediate product that can be handled appropriately.
Solution Approach 2:
The capture system creates a controlled environment for emissions during start-up, effectively isolating harmful factors from the atmosphere. This inert approach prevents direct release of pollutants while maintaining system operability during the start-up phase.
3Object-generated harmful factors
If treatment processes are fully operational, then emissions are minimized, but system complexity increases
Solution Approach 1:
The emissions management system is segmented into multiple functional components: a capture system for initial emissions handling, a treatment system for ongoing processing, and a storage system for byproduct management. This segmentation allows each component to be optimized independently and activated only when needed, reducing overall system complexity while maintaining effective emissions 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
This approach reduces emissions by capturing and storing emissions during start-up, which are then reused in downstream processes after the system is operational, enhancing the overall efficiency of gasification systems and minimizing atmospheric releases.
Implementation Method 1
The capture system is configured to receive an outlet gas from a gasification system and to extract a component gas of the outlet gas using a regenerable material
Data Source
AI summary
A system includes a capture system, a storage system, and a return system. The capture system is configured to receive an outlet gas from a gasification system and to extract a component gas of the outlet gas using a regenerable material during a start-up operation of the gasification system. The storage system is coupled to the capture system and is configured to store the component gas extracted by the capture system. The return system is configured to return the component gas from the storage system to the gasification system during a normal operation of the gasification system.