Sustainable Reduction of Strontium Sulfate Using Bioethanol: A Pathway to Carbon-Neutral SrS Production
Achieving net-zero carbon emissions, this study introduces a sustainable pathway for reducing strontium sulfate (SrSO<sub>4</sub>) and celestite ore to strontium sulfide (SrS) using biofuels (biomethane, bioethanol) derived from agro-industrial waste and green hydrogen. Traditional SrSO&...
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MDPI AG
2025-04-01
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| author | Javier E. Morales-Mendoza Jorge L. Domínguez-Arvizu Alma B. Jasso-Salcedo Blanca C. Hernández-Majalca José L. Bueno-Escobedo Alejandro López-Ortiz Virginia H. Collins-Martínez |
| author_facet | Javier E. Morales-Mendoza Jorge L. Domínguez-Arvizu Alma B. Jasso-Salcedo Blanca C. Hernández-Majalca José L. Bueno-Escobedo Alejandro López-Ortiz Virginia H. Collins-Martínez |
| author_sort | Javier E. Morales-Mendoza |
| collection | DOAJ |
| description | Achieving net-zero carbon emissions, this study introduces a sustainable pathway for reducing strontium sulfate (SrSO<sub>4</sub>) and celestite ore to strontium sulfide (SrS) using biofuels (biomethane, bioethanol) derived from agro-industrial waste and green hydrogen. Traditional SrSO<sub>4</sub> reduction methods, which rely on fossil-derived reductants like coal and operate at energy-intensive temperatures (1100–1200 °C), generate significant greenhouse gases and toxic byproducts, highlighting the need for eco-friendly alternatives. Experimental results demonstrate that bioethanol outperformed other reductants, achieving 97% conversion of synthetic SrSO<sub>4</sub> at 950 °C within 24 min and 74% conversion of natural celestite ore over 6 h. Remarkably, this bioethanol-driven process matches the energy efficiency of the conventional black ash method while enabling carbon neutrality through renewable feedstock utilization, reducing CO<sub>2</sub> emissions by 30–50%. By valorizing agro-industrial waste streams, this strategy advances circular economy principles and aligns with Mexico’s national agenda for sustainable industrial practices, including its commitment to decarbonizing heavy industries. This study contributes to sustainable development goals and offers a scalable solution for decarbonizing strontium compound production in the chemical industry. |
| format | Article |
| id | doaj-art-4b48fece43204c66868148b5fd55d797 |
| institution | Kabale University |
| issn | 2624-781X |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Reactions |
| spelling | doaj-art-4b48fece43204c66868148b5fd55d7972025-08-20T03:27:39ZengMDPI AGReactions2624-781X2025-04-01622810.3390/reactions6020028Sustainable Reduction of Strontium Sulfate Using Bioethanol: A Pathway to Carbon-Neutral SrS ProductionJavier E. Morales-Mendoza0Jorge L. Domínguez-Arvizu1Alma B. Jasso-Salcedo2Blanca C. Hernández-Majalca3José L. Bueno-Escobedo4Alejandro López-Ortiz5Virginia H. Collins-Martínez6Centro de Investigación en Materiales Avanzados S.C., Departamento de Ingeniería y Química de Materiales, Miguel de Cervantes 120, Chihuahua 31136, MexicoCentro de Investigación en Materiales Avanzados S.C., Departamento de Ingeniería y Química de Materiales, Miguel de Cervantes 120, Chihuahua 31136, MexicoCentro de Investigación en Materiales Avanzados S.C., Departamento de Ingeniería y Química de Materiales, Miguel de Cervantes 120, Chihuahua 31136, MexicoCentro de Investigación en Materiales Avanzados S.C., Departamento de Ingeniería y Química de Materiales, Miguel de Cervantes 120, Chihuahua 31136, MexicoCentro de Investigación en Materiales Avanzados S.C., Departamento de Ingeniería y Química de Materiales, Miguel de Cervantes 120, Chihuahua 31136, MexicoCentro de Investigación en Materiales Avanzados S.C., Departamento de Ingeniería y Química de Materiales, Miguel de Cervantes 120, Chihuahua 31136, MexicoCentro de Investigación en Materiales Avanzados S.C., Departamento de Ingeniería y Química de Materiales, Miguel de Cervantes 120, Chihuahua 31136, MexicoAchieving net-zero carbon emissions, this study introduces a sustainable pathway for reducing strontium sulfate (SrSO<sub>4</sub>) and celestite ore to strontium sulfide (SrS) using biofuels (biomethane, bioethanol) derived from agro-industrial waste and green hydrogen. Traditional SrSO<sub>4</sub> reduction methods, which rely on fossil-derived reductants like coal and operate at energy-intensive temperatures (1100–1200 °C), generate significant greenhouse gases and toxic byproducts, highlighting the need for eco-friendly alternatives. Experimental results demonstrate that bioethanol outperformed other reductants, achieving 97% conversion of synthetic SrSO<sub>4</sub> at 950 °C within 24 min and 74% conversion of natural celestite ore over 6 h. Remarkably, this bioethanol-driven process matches the energy efficiency of the conventional black ash method while enabling carbon neutrality through renewable feedstock utilization, reducing CO<sub>2</sub> emissions by 30–50%. By valorizing agro-industrial waste streams, this strategy advances circular economy principles and aligns with Mexico’s national agenda for sustainable industrial practices, including its commitment to decarbonizing heavy industries. This study contributes to sustainable development goals and offers a scalable solution for decarbonizing strontium compound production in the chemical industry.https://www.mdpi.com/2624-781X/6/2/28celestiteSrSO<sub>4</sub>SrSreductionbioethanolstrontium sulfide |
| spellingShingle | Javier E. Morales-Mendoza Jorge L. Domínguez-Arvizu Alma B. Jasso-Salcedo Blanca C. Hernández-Majalca José L. Bueno-Escobedo Alejandro López-Ortiz Virginia H. Collins-Martínez Sustainable Reduction of Strontium Sulfate Using Bioethanol: A Pathway to Carbon-Neutral SrS Production Reactions celestite SrSO<sub>4</sub> SrS reduction bioethanol strontium sulfide |
| title | Sustainable Reduction of Strontium Sulfate Using Bioethanol: A Pathway to Carbon-Neutral SrS Production |
| title_full | Sustainable Reduction of Strontium Sulfate Using Bioethanol: A Pathway to Carbon-Neutral SrS Production |
| title_fullStr | Sustainable Reduction of Strontium Sulfate Using Bioethanol: A Pathway to Carbon-Neutral SrS Production |
| title_full_unstemmed | Sustainable Reduction of Strontium Sulfate Using Bioethanol: A Pathway to Carbon-Neutral SrS Production |
| title_short | Sustainable Reduction of Strontium Sulfate Using Bioethanol: A Pathway to Carbon-Neutral SrS Production |
| title_sort | sustainable reduction of strontium sulfate using bioethanol a pathway to carbon neutral srs production |
| topic | celestite SrSO<sub>4</sub> SrS reduction bioethanol strontium sulfide |
| url | https://www.mdpi.com/2624-781X/6/2/28 |
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