Many organizations are working hard on this knotty problem and some of them seem more like Brimstone, just not up to the scale of the problem.
ChatGPT & DALL-E generated panoramic image of an electric cement truck covered in circuitry delivering cement to a construction site.
The heat requires energy for the limestone kiln. Then we put the lime into a clinker kiln, the horizontal rotating drum on cement plant properties, with some additives and use more heat in the form of a huge jet of flame inside the drum to turn the mixture into a coarse ceramic, clinker. We grind the clinker into cement dust, put it in bags and ship it to where it’s needed. 60% to 70% of cement is the lime.
The problem with Sublime is the sheer, absurd, mind-boggling scale of cement manufacturing. All of the slag from steel plants and all of the concrete from construction waste would only provide about 10% of global lime demand for cement. Only limestone is cheaply and easily extracted in convenient locations for the other 90%.
The showstopper is that only the calcium silicate wollastonite is regularly mined from natural deposits and less than a million tons a year of it is produced today, three orders of magnitude below the required amounts for cement. The high expense of wollastonite, in other words, is associated with the cheapest and most accessible deposits of it being exploited. Expanding extraction would increase costs substantially.
Other comments accurately pointed out that my ratios of process heat to chemical process carbon dioxide emissions were off, and I was a little too hand wavy and vague about the heat sources. In the United States, coal is regularly used in limestone kilns, not natural gas, and while that’s even worse in many ways, the US average is about 50% carbon dioxide emissions from process heat and 50% emissions from the decomposition of limestone.
As a reminder for those thinking that epoxy is bad because it’s made from petroleum, the petrochemical industry will persist when we stop burning gasoline, diesel, kerosene and other petroleum derivatives. Durable petrochemical products can be low carbon, something which will be aided by avoiding the most energy intensive crude oils which only make vague economic sense because they burn a lot of fossil fuels behind the meter that are low cost to producers and high emissions.
United Kingdom Latest News, United Kingdom Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
With her publishing company, Helen Hegener brings Alaska history (and more) to readersThrough Northern Light Media, Hegener has published her own works as well as books from other authors, often focused on mushing and other Alaska history.
Read more »
New photocatalyst to improve decarbonization and other chemical reactionsThe use of greenhouse gases is one of the most popular directions of the global trend toward decarbonization—reducing the carbon footprint from production and human activities. In the process of converting carbon dioxide into methane, the main catalysts used today are gold, platinum, and palladium, which are expensive and complex.
Read more »
Decarbonization dynamics: New analysis unveils shifting trends in the voluntary carbon offset marketAs humanity grapples with the fight against climate change, reducing greenhouse gas emissions is urgently necessary. One way to achieve this is through the carbon offset market, where organizations or individuals can buy credits from emissions-reducing projects.
Read more »
50 States of Power Decarbonization Q1 2024: Utilities Plan for Significant Load Growth, While States Scrutinize Coal Retirements and Carbon Pricing ProgramsNC 50 states of power decarbonization % %
Read more »
Scientists generate 1832°F heat with solar power to cook cement and steelThe approach paves the way for using solar energy for industrial applications that are usually carbon-intensive.
Read more »
Bernanke urges Bank of England to debate publishing rate projectionsFormer U.S. Federal Reserve chair Ben Bernanke said on Wednesday he would be 'disappointed' if the Bank of England did not debate the possibility of publishing its own projections for the likely path of interest rates.
Read more »