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Steelmaking is one of the most polluting industries because it traditionally relies on processes that emit large amounts of carbon dioxide. Most steel is produced in blast furnaces that use coke (a coal derivative) as a chemical reducer to extract iron from iron ore. During this process, the carbon in the coke reacts with the oxygen in the ore, releasing large amounts of CO2.
La fabricación de acero es una de las industrias más contaminantes porque tradicionalmente depende de procesos que emiten grandes cantidades de dióxido de carbono. La mayoría del acero se produce en altos hornos que utilizan coque (un derivado del carbón) como reductor químico para extraer el hierro del mineral de hierro. Durante este proceso, el carbono del coque reacciona con el oxígeno del mineral, liberando CO2 en grandes cantidades.
This chemical reaction is essential in the production of pig iron (molten iron), which is then converted into steel. This requires temperatures exceeding 1,500°C, which requires an enormous amount of energy. Because of all this, steelmaking is estimated to be responsible for eight percent of carbon dioxide emissions into the atmosphere, and alternative manufacturing solutions are urgently needed.
Esta reacción química es esencial en la producción de arrabio (hierro fundido), que luego se convierte en acero, esto requiere temperaturas superiores a 1.500 °C, lo que demanda una enorme cantidad de energía. Por todo esto la fabricación de acero se calcula que el responsable de ocho por ciento de las emisiones de dióxido de carbono a la atmósfera y urge encontrar soluciones de fabricación alternativas.
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Along these lines, Boston Metal, a Massachusetts Institute of Technology (MIT) spin-off, has developed an innovative technology to produce "green" steel using electricity instead of fossil fuels. This process, known as molten oxide electrolysis (MOE), converts iron ore into molten iron without generating direct carbon dioxide emissions.
En esta línea Boston Metal, una empresa derivada del Instituto Tecnológico de Massachusetts (MIT), ha desarrollado una innovadora tecnología para producir acero "verde" utilizando electricidad en lugar de combustibles fósiles. Este proceso, conocido como electrólisis de óxidos fundidos (MOE, por sus siglas en inglés), permite convertir el mineral de hierro en hierro fundido sin generar emisiones directas de dióxido de carbono.
In the MOE process, iron ore is mixed with an electrolyte in a reactor heated to approximately 1,600 degrees Celsius. When an electric current is applied, the iron oxide bonds are broken, releasing oxygen in the form of bubbles and depositing molten iron at the bottom of the reactor. If the electricity used comes from renewable sources, the steel produced is virtually carbon-free.
En el proceso MOE, el mineral de hierro se mezcla con un electrolito en un reactor que se calienta a aproximadamente 1.600 grados Celsius. Al aplicar una corriente eléctrica, los enlaces de óxido de hierro se rompen, liberando oxígeno en forma de burbujas y depositando hierro fundido en el fondo del reactor. Si la electricidad utilizada proviene de fuentes renovables, el acero producido es prácticamente libre de emisiones de carbono.
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Boston Metal recently successfully completed the first test of its largest reactor to date, capable of producing between one and two tons of steel per month. This breakthrough validates key technologies for the industrial production of emissions-free steel. The company aims to build a facility that will achieve a daily production of one ton by 2027 and scale to industrial scale by connecting multiple modular reactors.
Recientemente Boston Metal ha completado con éxito la primera prueba de su reactor más grande hasta la fecha, capaz de producir entre una y dos toneladas de acero al mes. Este avance valida tecnologías clave para la producción industrial de acero libre de emisiones. La empresa tiene como objetivo construir una instalación que alcance una producción diaria de una tonelada para 2027 y escalar a nivel industrial mediante la conexión de múltiples reactores modulares.
In short, Boston Metal's technology offers a promising solution for sustainable steel production, with the potential to significantly reduce carbon emissions and contribute to a cleaner future. The production of "green steel" could have a significant impact on various industries, such as construction, automotive, and renewable energy, which rely on steel as a fundamental material.
En resumen, la tecnología de Boston Metal ofrece una solución prometedora para la producción de acero sostenible, con el potencial de reducir significativamente las emisiones de carbono y contribuir a un futuro más limpio. La producción de "acero verde" podría tener un impacto significativo en diversas industrias, como la construcción, la automoción y la energía renovable, que dependen del acero como material fundamental.
More information/Más información
https://www.technologyreview.com/2025/03/12/1113130/green-steel-boston-metal/#:~:text=Instead%2C%20Boston%20Metal%20uses%20electricity,reactions%20needed%20to%20make%20iron.
I really love this new technology and trust me I will love it to certainly continue. We need more of these types of technology
Green steel could change everything, we'll get less pollution, same strong steel. I'm just imagining if all cars and buildings were made this way. I'm sure the fossil fuel industries must be sweating right now lol
Hello.
It appears that this writing has been written by AI-spinning of this original article:
https://ecoinventos.com/tecnologia-de-acero-verde-usando-electricidad-para-convertir-el-mineral-de-hierro-en-hierro-fundido-sin-emisiones-directas-de-carbono/
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