Dissolvable Polymer Packaging for Direct-Use Hydrogenation Catalyst
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for packaging hydrogenation catalysts, such as using plastic bags or protective coatings, are inefficient, costly, and result in resource loss due to incomplete discharge and exposure to air, while coatings require extensive processing steps and high polymer usage.
Innovation Solution
A packaged hydrogenation catalyst with a specific polymer-to-catalyst weight ratio, sealed in a gas-tight packaging, allowing direct addition to reaction mixtures without opening, and prepared in a time- and cost-efficient manner.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hydrogenation catalyst is packaged in plastic bags, then catalyst protection and Ni dust containment are improved, but additional process steps are required and resource loss occurs due to incomplete discharge
Solution Approach 1:
The catalyst is pre-packaged in a dissolvable polymer container before use. This preliminary action eliminates the need for opening bags and discharging catalyst during the process, as the container automatically dissolves in the reaction medium, allowing complete catalyst utilization without resource loss.
Solution Approach 2:
A dissolvable polymer acts as an intermediary between the catalyst and the reaction medium. The polymer container protects the catalyst during handling and transport, then dissolves in the reaction medium to release the catalyst, serving as a temporary protective barrier that disappears when no longer needed.
2Reliability
If protective coating is applied to hydrogenation catalyst particles, then catalyst protection is improved, but polymer usage increases and cost-intensive process steps are required
Solution Approach 1:
Instead of coating each individual catalyst particle with polymer (which would require large amounts of polymer), the catalyst particles are segmented into a collective unit by enclosing them together in a single polymer container. This reduces polymer consumption from a per-particle basis to a per-batch basis.
Solution Approach 2:
Multiple catalyst particles are nested together inside a single polymer container, similar to nested dolls. This allows many catalyst particles to share a single protective coating, dramatically reducing the total amount of polymer needed compared to coating each particle individually.
3Reliability
If protective coating is applied to hydrogenation catalyst, then catalyst protection is improved, but extensive processing steps including melting, mixing, and cooling are required
Solution Approach 1:
The complex coating process steps (melting, mixing in inert atmosphere, cooling) are extracted and replaced by a simpler alternative: pre-forming dissolvable polymer containers and filling them with catalyst. This eliminates the need for sophisticated processing equipment and multiple process steps.
Solution Approach 2:
Instead of creating a permanent protective coating that requires extensive processing, a disposable dissolvable polymer container is used. The container serves its protective function during handling and transport, then naturally dissolves in the reaction medium, eliminating the need for complex coating processes.
4Object-affected harmful factors
If plastic bags are used for catalyst packaging, then Ni dust containment is improved, but disposal costs increase due to Ni dust containment requirements
Solution Approach 1:
The key parameter change is making the polymer container dissolvable rather than permanent. This allows the packaging material to transform from a disposal burden into a reactive component that disappears under reaction conditions, eliminating disposal costs while maintaining Ni dust containment during handling.
Solution Approach 2:
The polymer packaging that would normally be harmful waste requiring costly disposal is converted into a beneficial dissolvable container. The same material that provides Ni dust containment during handling becomes a temporary protective barrier that naturally disappears in the reaction medium, converting a potential harm into a useful function.
Data Source
Figure 1
AI summary
The present invention relates to a specific packaged hydrogenation catalyst comprising a packaging and a hydrogenation catalyst, wherein the packaging comprises a specific polymer, and wherein the packaged hydrogenation catalyst has a specific weight ratio of the polymer to the hydrogenation catalyst enclosed in the packaging. The packaged hydrogenation catalyst has the advantage of a high catalyst to polymer weight ratio and that it is suitable for direct use in a hydrogenation reaction without the need of unpacking the hydrogenation catalyst from the packaging. Further, the present invention relates to a process for preparing said specific packaged hydrogenation catalyst, and a packaged hydrogenation catalyst obtained or obtainable by said process. In addition thereto, the present invention relates to a use of the packaged hydrogenation catalyst according to the present invention and a process for the hydrogenation of an unsaturated hydrocarbon feedstock.