Sealed Catalyst Capsule for Continuous Biomass Pyrolysis
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Solution Overview
Problem
Current batch pyrolysis processes for producing hydrocarbon products from biomass are inefficient compared to continuous processes, and the proprietary nature of catalysts requires extensive inventory management and specialized personnel for mixing and delivery, making large-scale deployment costly and complex.
Innovation Solution
A sealed processing device under reduced pressure with a multipart catalyst system, where a fragile catalyst-activation component container is mixed with a flexible catalyst-vehicle component container, allowing for secure and efficient catalyst delivery and activation, enabling the use of proprietary catalysts in a continuous pyrolysis process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If batch pyrolysis process is used, then catalyst inventory management is required, but process efficiency decreases
Solution Approach 1:
The catalyst system is divided into multiple sealed capsules, each containing a specific catalyst formulation. This segmentation eliminates the need for centralized catalyst inventory management while maintaining process efficiency, as each capsule is self-contained and can be independently handled and replaced.
Solution Approach 2:
Catalysts are pre-prepared and sealed in capsules before use, with all necessary components already in place. This preliminary action eliminates the need for on-site catalyst mixing and inventory management, allowing continuous operation without interruption for catalyst preparation.
2Reliability
If proprietary catalysts are used, then catalyst effectiveness is improved, but deployment cost increases due to specialized personnel requirements
Solution Approach 1:
The catalyst is enclosed in disposable sealed capsules that are pre-prepared and sealed. These single-use capsules eliminate the need for specialized personnel to handle and mix proprietary catalysts, reducing deployment costs while maintaining catalyst effectiveness. Each capsule is discarded after use, eliminating contamination risks and complex management requirements.
Solution Approach 2:
The sealed capsule acts as an intermediary between the proprietary catalyst formulation and the pyrolysis process. It protects the catalyst's proprietary nature while enabling its effective use, and can be handled by untrained personnel, thus reducing deployment costs associated with specialized training and personnel.
3Productivity
If continuous pyrolysis process is implemented, then productivity increases, but catalyst delivery complexity increases
Solution Approach 1:
The sealed catalyst capsules are designed to be self-contained and self-delivering. They maintain their integrity during transport and storage, and automatically deliver their catalyst contents to the reaction zone when introduced into the continuous pyrolysis system, eliminating the need for complex catalyst delivery infrastructure.
Solution Approach 2:
The catalyst is enclosed in flexible sealed capsules that can be easily transported and stored. These capsules maintain their integrity during handling and can be simply introduced into the continuous process, providing a simple yet effective catalyst delivery mechanism for continuous operation.
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 solution enables efficient depolymerization of biomass, producing high-quality bio-oils and gases while simplifying catalyst management and deployment, reducing costs and ensuring effective catalyst saturation for continuous operation.
Implementation Method 1
The emitting substance is of a material that absorbs or adsorbs the saturating gas or liquid and slowly releases it into the environment of the catalyst-activation component container
Implementation Method 2
The emitting substance is of a material that absorbs or adsorbs the saturating gas or liquid and slowly releases it into the environment of the catalyst-activation component container
Implementation Method 3
processes biomass or other feedstocks in a sealed chamber under reduced atmospheric pressure
Implementation Method 4
pyrolysis is a thermochemical decomposition of organic material at elevated temperatures between 300° C. and 900° C., without the presence of oxygen or other reagents
Data Source
AI summary
A hermetically sealed processing device with a catalyst storage and delivery capsule. The processing device is an elongate, tubular container that is hermetically sealed on each end by end plates. The processing device contains a screw conveyor with an arbor concentric about the long axis of the tubular container. The screw conveyor protrudes through each end plate and is mounted within a hermetic seal. The processing device further comprises a feed-stock-input port and a catalyst-input port on an input end of the processing device. Various heat zones as well as internal and surface temperature reading-probes reside along the length of the processing device. The output end of the processing device has a solid matter output port, a gas output port and a vacuum pump to evacuate gases through the gas output port.