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Identification

Personal identification

Full name
Ana Cláudia Alves Santos

Citation names

  • Santos, Ana
  • Ana Cláudia Santos

Author identifiers

Ciência ID
A416-D86C-B020
ORCID iD
0000-0002-1884-9390
Scopus Author Id
14322418100

Knowledge fields

  • Natural sciences - Earth and Environmental Sciences - Geology

Languages

Language Speaking Reading Writing Listening Peer-review
Portuguese Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
English Intermediate (B1) Intermediate (B1) Intermediate (B1) Intermediate (B1)
Education
Degree Classification
2024/01/11 - 2024/01/11
Concluded
 The first class of the semester: reflections (Outros)
Universidade do Porto, Portugal
2024/01
Concluded
 Teaching Science at University (Outros)
Universität Zürich, Switzerland
2023/11/23 - 2023/11/23
Concluded
 Motivate students and consolidate content with H5P activities (Outros)
Universidade do Porto, Portugal
2023/10/02 - 2023/10/27
Concluded
 Introduction to educational video production (Outros)
Universidade do Porto, Portugal
2017/09/01 - 2022/10/06
Concluded
 Geosciences (Doutoramento)
Major in Recursos Geológicos e Geomateriais
Universidade do Porto Faculdade de Ciências, Portugal

Universidade de Aveiro, Portugal

Instituto de Ciência da Terra Polo Porto, Portugal
"Assessing the rare earth elements and carbon potential of coal ashes from a Portuguese Power Plant and its temporal and lateral variation" (THESIS/DISSERTATION)
2020/07 - 2020/11
Concluded
 Prospection and Evaluation of Geological Resources - tools and methods (Outros)
Associação Portuguesa de Geólogos, Portugal
2020
Concluded
 Data Science Tools (Outros)
IBM, United States
2020
Concluded
 Introduction to Data Science (Outros)
IBM Deutschland Research and Development GmbH, Germany
2020
Concluded
 The Data Science Method (Outros)
IBM Deutschland Research and Development GmbH, Germany
2016/09 - 2017/06
Concluded
 Level 6 English course (Outros)
Cambridge School, Portugal
2014/07/18 - 2014/07/19
Concluded
 Organic Geochemistry applied to oil exploration: from rock to oil (Outros)
Major in Geoquímica Orgânica
Universidade do Porto Faculdade de Ciências, Portugal
2013
Concluded
 Geology (Mestrado)
Universidade do Porto Faculdade de Ciências, Portugal
"Operacionalização da técnica de Catodoluminescência e Aplicação ao Estudo dos quartzos" (THESIS/DISSERTATION)
 17
2011/03/18 - 2011/03/18
Concluded
 X-Ray Microanalysis (EDS), Backscattered Electron Diffraction Pattern Analysis (EBSD) (Outros)
Universidade do Porto Centro de Materiais, Portugal
2011/03/04 - 2011/03/04
Concluded
 Scanning Electron Microscopy – SEM (Outros)
Universidade do Porto Centro de Materiais, Portugal
2011
Concluded
 Geology (Licenciatura)
Universidade do Porto Faculdade de Ciências, Portugal
"Estudo exploratório de quartzos em Catodoluminescência e Análise de Padrões de Electrões Retrodifundidos" (THESIS/DISSERTATION)
 14
Affiliation

Science

Category
Host institution 		Employer
2022/06/01 - 2023/09/01 Auxiliary Researcher (Research) Universidade do Porto Departamento de Geociências Ambiente e Ordenamento do Território, Portugal
Universidade do Porto Departamento de Geociências Ambiente e Ordenamento do Território, Portugal
(...)
2017/03/01 - 2017/08/31 Contracted Researcher (Research) Universidade do Porto Faculdade de Ciências, Portugal
Instituto de Ciência da Terra Polo Porto, Portugal
(...)

Teaching in Higher Education

Category
Host institution 		Employer
2023/09/02 - Current Invited Assistant Professor (University Teacher) Universidade do Porto Departamento de Geociências Ambiente e Ordenamento do Território, Portugal

Others

Category
Host institution 		Employer
2014/08/01 - 2017/02/18 Cutomumer support at NOS comunicações SA RhMais, Portugal
2011/07/01 - 2014/07/31 Monitors within the scope of the Junior University in the activity "Arouca and Valongo: from giant trilobites to the gold of the Romans" Universidade do Porto, Portugal
2012/03/26 - 2012/03/30 Monitor at the Workshop "Fossils on the loose" Universidade do Porto, Portugal
2010/10/01 - 2011/05/01 Volunteering: organization and inventorying of old ornamental stone collections. Museu de História Natural da Universidade do Porto, Portugal
2007/07/01 - 2007/07/31 Scientific occupation of young people in the summer, Activity: Collection and laboratory analysis of samples of soils of volcanic origin Ciência Viva, Portugal
Universidade da Madeira, Portugal
2005/07/01 - 2005/07/31 Administrative tasks on Regional Directorate for Education of the Autonomous Region of Madeira Direcção Regional da Juventude e do Desporto, Portugal
Projects

Grant

Designation Funders
2023/10 - Current Integrated solution for coal ash as a source of critical elements and as a substituting material for natural graphite and clay through development of some value-added products
DRI/India/0315/2020
Researcher
Instituto de Ciência da Terra Polo Porto, Portugal
 Fundação para a Ciência e a Tecnologia
Ongoing
2017/09 - 2022/10 Assessing the rare earth elements and carbon potential of coal ashes from a Portuguese Power Plant and its temporal and lateral variation
SFRH/BD/131713/2017
COVID/BD/151941/2021
PhD Student Fellow
Universidade do Porto Departamento de Geociências Ambiente e Ordenamento do Território, Portugal

Instituto de Ciência da Terra Polo Porto, Portugal
Concluded
2017/03/01 - 2017/08/31 Coal char as a substituting material on natural graphite in green energy technologies - CHARPHITE
ERA-MIN/0005/2015
Integration into Research Grant Fellow
Instituto de Ciência da Terra Polo Porto, Portugal

Universidade do Porto Faculdade de Ciências, Portugal
Concluded

Other

Designation Funders
2022/06/01 - 2023/09/01 Integrated solution for coal ash as a source of critical elements and as a substituting material for natural graphite and clay through development of some value-added products
DRI/India/0315/2020
Research Fellow
Instituto de Ciências da Terra - Polo Porto, Portugal

Universidade do Porto Departamento de Geociências Ambiente e Ordenamento do Território, Portugal
Associação para a Inovação e Desenvolvimento da FCT
Ongoing
2022/01/01 - 2023 PhotoBioTrans - Photocatalytic Transformation of biomass-derived compounds into valuable products
EXPL/CTM-CTM/0790/2021
Researcher
Associação para a Inovação e Desenvolvimento da FCT
Concluded
2017/09/01 - 2019/09/30 Coal char as a substituting material on natural graphite in green energy technologies - CHARPHITE
ERA-MIN/0005/2015
Researcher
Instituto de Ciências da Terra - Polo Porto, Portugal

Universidade do Porto Departamento de Geociências Ambiente e Ordenamento do Território, Portugal
Concluded
Outputs

Publications

Conference abstract
  1. Ana Cláudia Santos; Kuzniarska-Biernacka, Iwona; Guedes, Alexandra; Valentim, Bruno. "Characterization of Fe-bearing morphotypes from coal combustion ashes focusing on its application on catalytical reactions". Paper presented in Joint 74th ICCP and 39th TSOP Meeting, Patras, 2023.
  2. Valentim, Bruno; Charlotte Badenhorst; Guedes, Alexandra; Elsayed Mousa; Karen Moreira; Ana Cláudia Santos; Guozhu Ye. Corresponding author: Valentim, Bruno. "Applied organic petrography to spent lithium-ion batteries (LiB) recycling". Paper presented in Joint 74th ICCP and 39th TSOP Meeting, Patras, 2023.
  3. Kuzniarska-Biernacka, Iwona; Marta Monteiro; Pedro Miranda; Andreia F. Peixoto; Ana Cláudia Santos; W. Maniukiewicz; Valentim, Bruno; Guedes, Alexandra; Freire, Cristina. Corresponding author: Kuzniarska-Biernacka, Iwona. "(Photo)Oxidative transformation of biomass derived molecules into valuable products". Paper presented in XXVIII National meeting of SPQ, Aveiro, 2023.
  4. Ana Cláudia Santos; Guedes, Alexandra; Valentim, Bruno. "Four-step process to obtain a char concentrate from coal fly ash". Paper presented in Earth Sciences Institute journeys, Braga, 2023.
  5. Ana Cláudia Santos; Kuzniarska-Biernacka, Iwona; Cruz, Cláudia; Guedes, Alexandra; Helena, Sant Ovaia; Font, Eric; Andreia F. Peixoto; et al. Corresponding author: Ana Cláudia Santos. "Characterization of magnetic concentrates (MC) from coal combustion ashes for further application as catalyst in 4-nitrophenol reduction reaction.". Paper presented in XI Congresso Nacional de Geologia, Coimbra, 2023.
  6. Guedes, Alexandra; Ribeiro, Helena; H., Sant'Ovaia; Beatriz Senra; Ana Cláudia Santos; Valentim, Bruno; Carlos Molina. Corresponding author: Guedes, Alexandra. "Rede Iberoamericana de Investigadores Forenses – RIIF. Ibero-American Network of Forensic Investigators – RIIF". Paper presented in XI Congresso Nacional de Geologia, Coimbra, 2023.
  7. Ana Cláudia Santos; Charlotte Badenhorst; Barbara Bialecka; Guedes, Alexandra; Georgeta Predeanu; Nicola Wagner; Valentim, Bruno. "Graphitization of coal chars". Paper presented in 3rd Annual Meeting of the International Committee for Coal and Organic Petrology, New Delhi, 2022.
  8. Pedro Miranda; Ana Cláudia Santos; Valentim, Bruno; Guedes, Alexandra; Clara Pereira; Andreia F. Peixoto; Kuzniarska-Biernacka, Iwona. "Magnetic composites for photocatalytic transformation of HMF into value-added products". Paper presented in XXVI Encontro Galego-Portugués de Química, Santiago de Compostela, 2022.
  9. Viveiros, J.; Ana Cláudia Santos; Valentim, Bruno; Peixoto, Andreia F.; Kuzniarska-Biernacka, Iwona. "Photocatalytic transformation of biomass derivatives into value added products". Paper presented in 15ª edição Encontro Investigação Jovem Porto, Porto, 2022.
  10. Jorge Mendes; Ana Cláudia Santos; Valentim, Bruno; Kuzniarska-Biernacka, Iwona; Andreia F. Peixoto; Freire, Cristina. "Recycling industrial coal fly ashes for catalytic reduction of nitroarenes". Paper presented in 3rd Inorganic & Bioinorganic Chemistry Congress, 2022.
  11. Inês Ferreira; Ana Cláudia Santos; Valentim, Bruno; Guedes, Alexandra; Andreia F. Peixoto; Kuzniarska-Biernacka, Iwona; Freire, Cristina. "Chitosan-based Hybrid Coal Fly Ashes as Catalyst for the Reductive Nitrophenol Transformation". Paper presented in National Meeting on Catalysis and Porous Materials & II Meeting of the Carbon Group - Virtual Conference, 2021.
  12. Marta S. Nunes; Ana Cláudia Santos; Valentim, Bruno; Freire, Cristina. Corresponding author: Marta S. Nunes. "Sequential upgrading of coal char fly ashes and their promising electrocatalytic ability for the oxygen reduction reaction". Paper presented in 5th European Conference on Green and Sustainable Chemistry, 2021.
  13. Ana Cláudia Santos; Charlotte Badenhorst; Barbara Bialecka; Ignacio Cameán; Guedes, Alexandra; Georgeta Predeanu; Isabel Suárez-Ruíz; Nicola Wagner; Valentim, Bruno. "Coal chars reflectance assessment before and after graphitization". Paper presented in 72nd Annual Meeting of the International Committee for Coal and Organic Petrology, Prague, 2021.
  14. Ana Cláudia Santos; Guedes, Alexandra; Valentim, Bruno. "Rare Earth Elements (REE) Distribution on Commercial Coal and Respective Combustion Ashes from a Portuguese Thermoelectric Power Plant". Paper presented in International Pittsburgh Coal Conference - Virtual, 2021.
  15. Valentim, Bruno; Guedes, Alexandra; Karen Moreira; Ana Cláudia Santos. "Spatial variation in rice husk poultry litter ash: implications for phosphorus recovery". Paper presented in International Conference on Resource Sustainability, Dublin, 2021.
  16. Kuzniarska-Biernacka, Iwona; Ana Cláudia Santos; Guedes, Alexandra; Bruno Jarrais; Andreia F. Peixoto; Valentim, Bruno; Freire, Cristina. Corresponding author: Kuzniarska-Biernacka, Iwona. "Application of coal fly ash in wastewater treatment". Paper presented in XXVII National Meeting of the Portuguese Chemical Society, Braga, 2021.
  17. Ana Cláudia Santos; Kuzniarska-Biernacka, Iwona; Freire, Cristina; Guedes, Alexandra; Bruno Jarrais; Andreia F. Peixoto; Valentim, Bruno. "Characterization of coal fly ash applied in wastewater treatment". Paper presented in XXVII National Meeting of the Portuguese Chemical Society, Braga, 2021.
  18. Ana Cláudia Santos; Kuzniarska-Biernacka, Iwona; Guedes, Alexandra; Andreia F. Peixoto; Valentim, Bruno. "Magnetic fraction from coal combustion ashes as catalyst in the 4-nitrophenol (4- NPh) reduction reaction". Paper presented in Earth Sciences Institute journeys - Virtual, 2021.
    Published
  19. Ana Cláudia Santos; Guedes, Alexandra; Valentim, Bruno. "Caracterização de cinzas resultantes da combustão de carvão para avaliação do seu potencial como matérias-primas para extração elementos terras raras". Paper presented in Earth Sciences Institute journeys, Braga, 2020.
    Published
  20. Ana Cláudia Santos; Karen Moreira; Guedes, Alexandra; Valentim, Bruno. "Characterization of carbon-rich metasedimentary rocks from NW Portugal by Raman microspectroscopy". Paper presented in XII Iberian Congress on Geochemistry | XX Geochemistry week, Évora, 2019.
    Published
  21. Ana Cláudia Santos; Guedes, Alexandra; Karen Moreira; Valentim, Bruno. "Assessment of the potential for extraction of REE from fly ashes and bottom ashes derived from commercial coals burned in a Portuguese power plant.". Paper presented in 71st meeting of the International Committee for Coal and Organic Petrology (ICCP), Hague, 2019.
    Published
  22. Karen Moreira; Ana Cláudia Santos; Bruno Valentim; Guedes, Alexandra. "Raman microspectroscopy characterization of graphite from “Terra Negra and Ferreiros” mine (NW Portugal)". Paper presented in Goldschmidt, Barcelona, 2019.
    Published
  23. Ana Cláudia Santos; Karen Moreira; Guedes, Alexandra; Valentim, Bruno. "Characterization of coal char by Raman microspectroscopy before and after acid leaching". Paper presented in Goldschmidt, Barcelona, 2019.
    Published
  24. Ana Cláudia Santos; Charlotte Badenhorst; Nicola Wagner; Valentim, Bruno; Guedes, Alexandra; Barbara Bialecka; Joanna Calus-Moszko; et al. "Char from coal ash as a possible precursor for synthetic graphite – Recent developments of the Charphite project.". Paper presented in World of Coal Ash (WOCA), St. Louis (Missouri), 2019.
    Published
  25. Ana Cláudia Santos; Valentim, Bruno; Freire, Cristina; Guedes, Alexandra; Juan Lázaro-Martínez; Marta Nunes; Andreia F. Peixoto; Andreia F. Peixoto. "Study on the potential of coal fly ash as solid catalysts and respective char as carbon-based electrocatalysts.". Paper presented in World of Congress on Recycling, Valencia, 2019.
    Published
  26. Ana Cláudia Santos; Guedes, Alexandra; Barbara Bialecka; Charlotte Badenhorst; Georgeta Predeanu; Joanna Calus-Moszko; Juan Lázaro-Martínez; et al. "Recovery of carbonaceous solid residue (char) from coal ash to use as possible substitute graphite-based materials in green energy applications". Paper presented in World of Coal Ash (WOCA), St. Louis (Missouri), 2019.
  27. Ana Cláudia Santos; Andreia F. Peixoto; Valentim, Bruno; Juan Lázaro-Martínez. "RMN en estado sólido aplicado al estudio de cenizas de carbón.". Paper presented in IV Taller de Resonancia Magnética, Buenos Aires, 2018.
    Published
  28. Ana Cláudia Santos; Valentim, Bruno; Barbara Bialecka; Joanna Calus-Moszko; Mihai Cruceru; Freire, Cristina; Guedes, Alexandra; et al. "CHARPHITE Project: coal char as a substituting material of natural graphite in green energy technologies.". Paper presented in Carbon, Madrid, 2018.
    Published
  29. Marta Nunes; Ana Cláudia Santos; Valentim, Bruno; Freire, Cristina. "Coal char as electrocatalyst for the oxygen reduction and evolution reactions". Paper presented in Carbon, Madrid, 2018.
  30. Andreia F. Peixoto; Silva, S.M.; Marta Nunes; Ana Cláudia Santos; Valentim, Bruno. "Sulfonic acid-functionalized coal fly ashes: new solid acid catalysts for esterification reactions". Paper presented in Carbon, Madrid, 2018.
  31. Silva, S..M.; Costa, M.; Andreia F. Peixoto; Marta Nunes; Ana Cláudia Santos; Valentim, Bruno; Freire, Cristina. Corresponding author: Silva, S..M.. "HSO3-functionalized carbon-derived industrial residues: solid acid catalysts for butyl-levulinate production". Paper presented in CarbocatVIII – 8th International Symposium on carbon for catalysis, Porto, 2018.
    Published
  32. Marta Nunes; Ana Cláudia Santos; Valentim, Bruno; Freire, Cristina. "Coal char as cathode material for the electrochemical production of hydrogen peroxide". Paper presented in SPE 2018 – XXIII Meeting of the Portuguese Electrochemical Society, Porto, 2018.
    Published
  33. Ana Cláudia Santos; Guedes, Alexandra; Valentim, Bruno. "Pre-concentration trials to obtain char from fly ashes: preliminary results.". Paper presented in ICT Journeys 2018, Porto, 2018.
    Published
  34. Ana Cláudia Santos; Abagiu, A.T.; Barbara Bialecka; Mihai Cruceru; Freire, Cristina; Guedes, Alexandra; Juan Lázaro-Martínez; et al. "Distribuição do selénio em carvões e respetivas cinzas.". Paper presented in XIV Congress of Geochemistry of Portuguese Speaking Countries and XIX Geochemistry Week, Vila Real, 2018.
    Published
  35. Ana Cláudia Santos; Abagiu, A.T.; Barbara Bialecka; Mihai Cruceru; Freire, Cristina; Guedes, Alexandra; Juan Lázaro-Martínez; et al. "Assessment of the critical elements Be, Bi, Co, Ga, Hf, In, Nb, Sb, Ta, V, W in coals and respective ashes". Paper presented in VII Congresso de Jovens Investigadores em Geociências, LEG, Estremoz, 2017.
    Published
  36. Guedes, Alexandra; Abagiu, A.T.; Barbara Bialecka; Mihai Cruceru; Freire, Cristina; Juan Lázaro-Martínez; Georgeta Predeanu; et al. "Carbon forms in coal, fly ash and bottom ash". Paper presented in Goldschmidt, Paris, 2017.
    Published
  37. Ana Cláudia Santos; Barbara Bialecka; Cristina Freire; Guedes, Alexandra; Juan Lázaro-Martínez; Popescu, L.G.; Georgeta Predeanu; Nicola Wagner; Valentim, Bruno. Corresponding author: Ana Cláudia Santos. "Distribution of lanthanides, yttrium and scandium in ashes from coal-fired power stations". Paper presented in Goldschmidt, Paris, 2017.
    Published
  38. Ana Cláudia Santos; Abagiu, A.T.; Anghelescu, L.; Charlotte Badenhorst; Barbara Bialecka; Joanna Calus-Moszko; Magdalena Cempa; et al. "Project CHARPHITE: presentation and up to date of Porto University results.". Paper presented in ICT Journeys, Braga, 2017.
    Published
  39. Ana Cláudia Santos. "Pre concentration techniques for residual coal from bottom ash. Part 1 – Methodology and procedures.". Paper presented in Annals of the "Constantin Brancusi" University - Engineering, Targu Jiu, 2017.
    Published
  40. Mihai Cruceru; Valentim, Bruno; Anghelescu, L.; Barbara Bialecka; Freire, Cristina; Juan Lázaro-Martínez; Georgeta Predeanu; et al. "Pre concentration techniques for residual coal from bottom ash. Part 2 ¿ Results and discussion". Paper presented in Annals of the "Constantin Brancusi" University - Engineering, Targu Jiu, 2017.
Conference paper
  1. Fernandes, I.; Couto, H.; Santos, A.. "Petrography and cathodoluminescence microscopy in the study of alkali reactive granitic rocks in concrete". 2014.
Conference poster
  1. M. Monteiro; Ana Cláudia Santos; Bruno Valentim; Alexandara Guedes; Andreia F. Peixoto; Kuzniarska-Biernacka, Iwona; Maniukiewicz, Waldemar. "Production of valuable chemicals through selective catalytic (photo)oxidation transformation of 5-hydroxymethylfurfural, Paris, France 2023". Paper presented in 3rd International Conference on Applied Science & Engineering, Paris, France 2023, 2023.
  2. Miranda, Pedro; Ana Cláudia Santos; Valentim, Bruno; Guedes, Alexandra; Clara Pereira; Peixoto, Andreia F.; Kuzniarska-Biernacka, Iwona. Corresponding author: Miranda, Pedro. "(Photo)catalytic transformation of HMF into value-added products". Paper presented in XXVI Encontro Galego-Portugués de Química, 2022.
  3. Ana Cláudia Santos; Kuzniarska-Biernacka, Iwona; Guedes, Alexandra; Andreia F. Peixoto; Valentim, Bruno. "Coal Fly Ashes for Water Treatment". Paper presented in Science and Technology Portugal Summit, 2021.
  4. Sónia M. Silva; Marta Costa; Andreia F. Peixoto; Nunes, Marta; Ana Cláudia Santos; Valentim, Bruno; Freire, Cristina. "HSO3-functionalized carbon-derived industrial residues: solic acid catalysts for butyl-levulinate production". Paper presented in CARBOCAT VIII ¿ 8th International Symposium on Carbon for Catalysis, 2018.
Journal article
  1. Santos, Ana Cláudia; Badenhorst, Charlotte; Bialecka, Barbara; Cameán, Ignacio; Guedes, Alexandra; Moreira, Karen; Predeanu, Georgeta; et al. "Graphitization: Microstructural and microtextural transformations of residual char from international coal combustion ash". International Journal of Coal Geology (2024): 104470. http://dx.doi.org/10.1016/j.coal.2024.104470.
    10.1016/j.coal.2024.104470
  2. Iwona Kuzniarska-Biernacka; Inês Ferreira; Marta Monteiro; Ana Cláudia Santos; Bruno Valentim; Alexandra Guedes; João H. Belo; et al. "Highly Efficient and Magnetically Recyclable Non-Noble Metal Fly Ash-Based Catalysts for 4-Nitrophenol Reduction". Catalysts (2023): https://doi.org/10.3390/catal14010003.
    10.3390/catal14010003
  3. Ana Cláudia Santos; Cláudia Cruz; Eric Font; David French; Alexandra Guedes; Karen Moreira; Helena Sant’Ovaia; et al. "Physicochemical Properties of Fe-Bearing Phases from Commercial Colombian Coal Ash". Minerals (2023): https://doi.org/10.3390/min13081055.
    10.3390/min13081055
  4. Elsayed Mousa; Xianfeng Hu; Ludvig Ånnhagen; Guozhu Ye; Antonella Cornelio; Ario Fahimi; Elza Bontempi; et al. "Characterization and Thermal Treatment of the Black Mass from Spent Lithium-Ion Batteries". Sustainability (2022): https://doi.org/10.3390/su15010015.
    10.3390/su15010015
  5. Nunes, Marta S.; Pereira, Cátia; Guedes, Alexandra; Santos, Ana Cláudia; Valentim, Bruno; Freire, Cristina. Corresponding author: Nunes, Marta S.. "Assessment of coal fly ash char as a substituting material of graphite with electrocatalytic activity for the oxygen reduction reaction". Sustainable Chemistry and Pharmacy 27 (2022): 100705. http://dx.doi.org/10.1016/j.scp.2022.100705.
    10.1016/j.scp.2022.100705
  6. Iwona Kuzniarska-Biernacka; Ana Cláudia Santos; Bruno Jarrais; Bruno Valentim; Alexandra Guedes; Cristina Freire; Andreia F. Peixoto. "Application of Fe-rich coal fly ashes to enhanced reduction of 4-nitrophenol". Cleaner Chemical Engineering (2022): https://doi.org/10.1016/j.clce.2022.100019.
    10.1016/j.clce.2022.100019
  7. Fahimi, Ario; Bontempi, Elza; Fiameni, Laura; Guedes, Alexandra; Guimarães, Renato; Moreira, Karen; Santos, Ana Cláudia; et al. Corresponding author: Fahimi, Ario. "Incineration of Aviary Manure: The Case Studies of Poultry Litter and Laying Hens Manure". Waste and Biomass Valorization 13 7 (2022): 3335-3357. http://dx.doi.org/10.1007/s12649-022-01739-4.
    10.1007/s12649-022-01739-4
  8. Ana Cláudia Santos; Alexandra Guedes; David French; Aurora Futuro; Bruno Valentim. "Integrative Study Assessing Space and Time Variations with Emphasis on Rare Earth Element (REE) Distribution and Their Potential on Ashes from Commercial (Colombian) Coal". Minerals (2022): https://doi.org/10.3390/min12020194.
    10.3390/min12020194
  9. Diana M. Fernandes; Víctor K. Abdelkader-Fernández; Charlotte Badenhorst; Barbara Bialecka; Alexandra Guedes; Georgeta Predeanu; Ana Cláudia Santos; et al. "Coal chars recovered from fly ash as promising electrocatalysts for oxygen reduction reaction". International Journal of Hydrogen Energy (2021): https://doi.org/10.1016/j.ijhydene.2021.08.009.
    10.1016/j.ijhydene.2021.08.009
  10. Charlotte Badenhorst; Cláudia Santos; Juan Lázaro-Martínez; Barbara Bialecka; Mihai Cruceru; Alexandra Guedes; Renato Guimarães; et al. "Assessment of Graphitized Coal Ash Char Concentrates as a Potential Synthetic Graphite Source". Minerals 10 11 (2020): 986-986. https://doi.org/10.3390/min10110986.
    10.3390/min10110986
  11. Ana Cláudia Santos. "Could hot fluids be the cause of natural pyrolysis at the ragged edge of Herrin coal, Millport 7 ½’ quadrangle, Hopkins County, Kentucky?". International Journal of Coal Geology (2020): http://dx.doi.org/10.1016/j.coal.2020.103603.
    10.1016/j.coal.2020.103603
  12. Santos, Ana. "Acid functionalized coal fly ashes: New solid catalysts for levulinic acid esterification". Catalysis Today (2019): http://dx.doi.org/10.1016/j.cattod.2019.07.038.
    10.1016/j.cattod.2019.07.038
  13. Ana Cláudia Santos. "Separation of Unburned Carbon from Coal Conversion Ash: Development andAssessment of a Dry Method". Coal Combustion and Gasification Products 11 (2019): 89-96. http://www.coalcgp-journal.org/papers/2019/1946-0198-11-2-89.pdf.
    Open access • Published
  14. Valentim, B.; Abagiu, A.T.; Anghelescu, L.; Flores, D.; French, D.; Gonçalves, P.; Guedes, A.; et al. "Assessment of bottom ash landfilled at Ceplea Valley (Romania) as a source of rare earth elements". International Journal of Coal Geology 201 (2019): 109-126. http://www.scopus.com/inward/record.url?eid=2-s2.0-85057857492&partnerID=MN8TOARS.
    10.1016/j.coal.2018.11.019
  15. Valentim, B.; Bialecka, B.; Gonçalves, P.A.; Guedes, A.; Guimarães, R.; Cruceru, M.; Calus-Moszko, J.; et al. "Undifferentiated inorganics in coal fly ash and bottom ash: Calcispheres, magnesiacalcispheres, and magnesiaspheres". Minerals 8 4 (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85047878153&partnerID=MN8TOARS.
    10.3390/min8040140
  16. Santos, A.; Couto, H.; Sá, C.. "Cathodoluminescence (CL) spectroscopy: Distinction of generations of quartz based on its emission spectrum,Espetroscopia de catodoluminescência (CL): Distinção de gerações de quartzos com base no espetro de emissão". Comunicacoes Geologicas 101 (2014): 191-194. http://www.scopus.com/inward/record.url?eid=2-s2.0-84929076011&partnerID=MN8TOARS.
Website
  1. Ana Cláudia Santos. DEASPHOR PROJECT. 2019. https://www.fc.up.pt/deasphor/.
  2. Ana Cláudia Santos. CHARPHITE PROJECT. 2017. https://www.fc.up.pt/charphite/.
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2022/09/17 Coal combustion ash as secondary raw materials Geologia às Quartas
Faculdade de Ciências da Universidade do Porto (Porto, Portugal)
2022/07/21 Observing the Earth from the Macro to the Microscale: Importance for Sustainable Development VII Encontro Internacional Casa das Ciências - Clima e Sustentabilidade
Instituto Superior de Engenharia do Porto (Porto)
2022/07/20 Observing the Earth from the Macro to the Microscale: Importance for Sustainable Development VII Encontro Internacional Casa das Ciências - Clima e Sustentabilidade
Instituto Superior de Engenharia do Porto (Porto, Portugal)
2021/02/11 Magnetic fraction from coal combustion ashes as catalyst in the 4-nitrophenol (4-NPh) reduction reaction. ICT Jorneys 2021
ICT Polo Porto (Portugal)
2019/04/15 Assessing the rare earth elements and carbon potential of coal ashes from a Portuguese Power Plant and its temporal and lateral variation. Workshop of the Geosciences PhD
University of Porto, Faculty of Sciences (Porto, Portugal)
2018/05 Pre-concentration trials to obtain char from fly ashes: preliminary results. ICT Jorneys 2018
ICT Polo Porto (Porto, Portugal)

Event organisation

Event name
Type of event (Role) 		Institution / Organization
2019/03/01 - 2019/04/10 Workshop entitled on MENDELEY & ENDNOTE to help students on the utilization of software for automatic bibliographic references. (2019/04/10 - 2019/04/10)
Workshop (Member of the Organising Committee)
 Universidade do Porto Faculdade de Ciências, Portugal

Nucleo Geologia do Porto, Portugal

Event participation

Activity description
Type of event 		Event name
Institution / Organization
2024/02/23 - Current Participation by invitation in the "Meeting with the Scientist" promoted by Escola Ciência Viva de Gaia. The theme developed was the importance of rocks/minerals in daily life.
Other
2023/01 - Current Participation by invitation in the "Meeting with the Scientist" promoted by Escola Ciência Viva de Gaia. The theme developed was the importance of rocks/minerals in daily life.
Other
 Meeting with the Scientist

Association member

Society Organization name Role
2023/09 - Current International Committee for Coal and Organic Petrology
2023/02/03 - Current Earth Sciences Institute (Instituto de Ciências da Terra) Integrated researcher

Mentoring / Tutoring

Topic Student name
2024/02 - Current Recovery and characterization of char and ferrospheres Indira Sousa
2024/02 - Current Recovery and characterization of char and ferrospheres Inês Filipa Ribeiro
2023/02 - 2023/06 Coal ash recycling in a circular economy perspective Érica Rocha
2023/02 - 2023/06 Environmental remediation by industrial ash: conversion of toxic nitroarenes into aromatic amines Tiago Terra
2023/02 - 2023/06 Raman spectroscopy analysis of ancient glass beads Marina Ayala Lerma
2023/02 - 2023/06 Geothermometric data of natural graphite Daniela Cunha
2023/02 - 2023/06 Geological materials characterization to be applied in photocatalysis Inês Filipa Ribeiro
2023/02 - 2023/06 Geological materials characterization to be applied in photocatalysis Indira Sousa
2023/02 - 2023/06 Residues as substitutes of natural graphite and noble metals Beatriz Lages Araújo

Scientific expedition

Activity description Institution / Organization
2018/07/09 - 2018/07/23 Internship in Pego thermal power plant (Abrantes, Portugal) Pego Power Plant, Portugal
2018/01/15 - 2018/01/17 Working meeting in Katowice (Poland) under the scope of Charphite project. Applied research. Glówny Instytut Górnictwa, Poland
Distinctions

Award

2019 Student Poster Presentation Award
American Coal Ash Association (ACAA) Ed Foundation, United States