It is possible — and crucial — to green the building blocks of the modern world
emissions to 50 kilograms or less per tonne of steel — a 97% reduction. Firms in Europe, China and Australia are piloting such plants, with several slated to open in 2025 or 2026. The challenge is that this process requires a lot of hydrogen.
One promising alternative to hydrogen is using electricity to reduce iron ore through electrolysis. This method is being explored by Boston Metal in Massachusetts, and Luxembourg-based Arcelor Mittal.Production of ordinary Portland cement — the most common type of cement — begins with the calcination of limestone, which is heated to temperatures above 850 °C to form lime and CO. The lime is combined with sand and clay in a 1,450 °C kiln to create clinker.
For cement, however, municipal solid waste — or carefully sorted rubbish — can be used as an alternative fuel: high temperatures in the kiln incinerate toxic materials in the waste, and the ashes can be incorporated into clinker. Up to 57% of the Mexican company Cemex’s energy in cement plants in the United Kingdom is derived from these alternative fuels, and UK company Hanson’s alternative-fuel consumption is at 52%.
Argentina Últimas Noticias, Argentina Titulares
Similar News:También puedes leer noticias similares a ésta que hemos recopilado de otras fuentes de noticias.
Battery Research Tackles New Challenges for Behind-the-Meter Stationary Storage SystemsBattery Research Tackles New Challenges for Behind-the-Meter Stationary Storage Systems: National transition to net-zero carbon emissions
Leer más »
Banks undermine their 'net zero' pledges through lobbying - reportThirty of the world's largest financial institutions are undermining their commitment to cutting carbon emissions by lobbying against climate regulation and by funding new fossil fuel projects, according to a report published on Friday.
Leer más »
One Dothan hospital hits zero COVID-19 inpatientsIt's a day many hospitals are waiting for. It's finally come for one here in Dothan!
Leer más »
New laws on using phones while driving come into effect | AutocarStricter laws governing the use of mobile phones while driving have come into effect, making it illegal to use a handheld device at the wheel in nearly all circumstances
Leer más »
Apartments are being built like crazy in the SunbeltNashville, Austin, Phoenix, Raleigh/Durham and Salt Lake City are poised to see the largest increases in the country in new apartments built this year — 5% or more, according to a national survey.
Leer más »
Olivia Rodrigo, Charli D’Amelio more get matching tattoosRodrigo, D’Amelio, Iris Apatow and Avani Gregg cemented their friendship in ink Wednesday, getting smiley faces and hearts on their pinky fingers.
Leer más »