AI Article Synopsis
- Aluminosilicate boggsite (Si/Al-BOG) was successfully synthesized without using any organic structure-directing agents, utilizing borosilicogermanium ITQ-47 zeolite seeds instead.
- Physicochemical tests revealed Si/Al-BOG has strong crystallinity, a high surface area, and desirable chemical properties like tetrahedral aluminum species and acid sites.
- The zeolite demonstrated impressive catalytic performance in converting l-lactic acid to l,l-lactide, achieving 88.2% conversion and 83.8% selectivity, outperforming other zeolites.
Article Abstract
Aluminosilicate boggsite (Si/Al-BOG) has been hydrothermally synthesized without adding organic structure-directing agents (OSDAs) in the synthesis gel using the borosilicogermanium ITQ-47 (Si/B-ITQ-47) zeolite as seeds. The introduction of the costly and environmentally less benign phosphazene organic structure-directing agent is not required to grow the zeolite. Physicochemical characterization experiments show that Si/Al-BOG has good crystallinity, high surface area, tetrahedral Al species, and acid sites. In order to test the catalytic performance of the zeolite, the synthesis of l,l-lactide from l-lactic acid was performed. Si/Al-BOG exhibits 88.2% conversion of l-lactic acid and 83.8% l,l-lactide selectivity, which are better than those of other zeolites studied up to now.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8162478 | PMC |
| http://dx.doi.org/10.1039/d0sc04044d | DOI Listing |
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