Search results
Results From The WOW.Com Content Network
Concrete produced by carbonation curing also shows superior performance when subject to physical degradations, e.g., freeze-thaw damage, particularly due to a pore densification effect enabled by the precipitation of carbonation products [38] The vast majority of CO 2 emissions from concrete come from cement manufacturing. Therefore, methods to ...
As the main energy-consuming and greenhouse-gas–emitting stage of cement manufacture, improvement of kiln efficiency has been the central concern of cement manufacturing technology. Emissions from cement kilns are a major source of greenhouse gas emissions, accounting for around 2.5% of non-natural carbon emissions worldwide. [1]
A Chatham House study from 2018 estimates that the 4 billion tonnes of cement produced annually account for 8% of worldwide CO 2 emissions. [4] Nearly 900 kg of CO 2 are emitted for every 1000 kg of Portland cement produced. In the European Union, the specific energy consumption for the production of cement clinker has been reduced by ...
If the concrete aspect seems like a bit of a non sequitur, consider two facts: concrete manufacturing is estimated to produce as much as 8% OF all greenhouse gas emissions, and seawater is full of ...
Eco-Cement is a brand-name for a type of cement which incorporates reactive magnesia (sometimes called caustic calcined magnesia or magnesium oxide, MgO), another hydraulic cement such as Portland cement, and optionally pozzolans and industrial by-products, to reduce the environmental impact relative to conventional cement.
The production of clinker, the main constituent of cement, is responsible for the bulk of the sector's greenhouse gas emissions, including both energy intensity and process emissions. [133] The cement industry is one of the three primary producers of carbon dioxide, a major greenhouse gas – the other two being energy production and ...
Greenhouse gas emissions are one of the environmental impacts of electricity generation. Measurement of life-cycle greenhouse gas emissions involves calculating the global warming potential (GWP) of energy sources through life-cycle assessment. These are usually sources of only electrical energy but sometimes sources of heat are evaluated. [1]
Scope 3 emissions account for greenhouse gases, such as carbon dioxide, released in the atmosphere from a company's supply chain and the consumption of its products by customers.