Influence of Washing and Scale-Up on Silica SBA-15 Properties
Author Information
Author(s): Thielemann Jörg P, Girgsdies Frank, Schlögl Robert, Hess Christian, Schneider Jörg
Primary Institution: Fritz-Haber-Institut der Max-Planck-Gesellschaft
Hypothesis
Does the washing method and scale-up affect the pore structure and surface area of silica SBA-15?
Conclusion
Washing with a combination of water and ethanol can increase the surface area of SBA-15, but excessive washing may damage the material.
Supporting Evidence
- Washing with pure solvents does not change the pore structure of SBA-15.
- Using a combination of solvents can increase the surface area but may also damage the material.
- Scaling up the synthesis reduces the impact of washing on the material's properties.
Takeaway
This study shows that how you wash a material called SBA-15 can change its size and shape, and using too much water or alcohol can make it worse.
Methodology
The study involved synthesizing SBA-15 using a triblock copolymer template and examining the effects of washing with different solvents and scaling up the synthesis.
Limitations
Variations in surface area and pore volume may occur between batches, complicating the study of washing effects.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website