| Grant number: | 21/12342-0 |
| Support Opportunities: | Regular Research Grants |
| Start date: | February 01, 2022 |
| End date: | January 31, 2024 |
| Field of knowledge: | Physical Sciences and Mathematics - Chemistry - Physical-Chemistry |
| Principal Investigator: | Wagner Alves Carvalho |
| Grantee: | Wagner Alves Carvalho |
| Host Institution: | Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil |
| Associated researchers: | Dalmo Mandelli ; Geórgia Christina Labuto Araújo ; Raphael Rodrigues |
Abstract
This project is inserted in a strategic area at national and global level, with regard to the generation of scientific and technological knowledge, in addition to the focus on training qualified personnel, involving environmental, social and economic sustainability. The general objective is the development of heterogeneous catalytic systems that will be used in the conversion of carbohydrates and terpenes into chemical products with high added value. To achieve the project's objective and goals, approaches will be explored in the design and preparation of selective and robust heterogeneous catalytic systems for such reactions, relying on several national and international collaborations. Catalysts based on carbons from glucose, glycerol and yeast residues will be prepared. The materials will be characterized by suitable techniques, including nitrogen adsorption, scanning electron microscopy, thermal analysis, X-ray photoelectron spectroscopy, elemental analysis, X-ray diffraction and surface functional group titration. The catalysts will be used in polyols and terpenes conversion reactions. The products will be quantified by gas chromatography and high-performance liquid chromatography. The conversion and selectivity results will be related to the physical, chemical and textural properties of the catalysts. The use of microwave radiation to promote reactions in this work will be an important alternative to replace conventional heating. Combined with the use of catalysts from industrial and/or commercial lignocellulosic by-products, we should promote greater economic viability for the conversion of polyols and terpenes into products with high added value through catalytic reactions. An integrated approach to biomass processing with optimization of catalytic transformations will be developed. For each reaction of interest, specific catalysts will be developed, focusing on surface acidity, Brønsted and/or Lewis, in order to investigate structure-performance relationships and select the best catalytic system for each process. (AU)
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