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Embodied energy is the sum of all the energy required to produce any goods or services, considered as if that energy were incorporated or 'embodied' in the product itself. . The concept can be useful in determining the effectiveness of energy-producing or energy saving devices, or the "real" replacement cost of a building, and, because energy-inputs usually entail greenhouse gas emissions, in ...
Recycling aluminum cans is a brilliant way to reduce a consumer’s carbon footprint while also earning a little bit of money on the side. ... The average recycling value per pound of cans in the ...
Carbon profiling [1] is a mathematical process that calculates how much carbon dioxide is put into the atmosphere per m 2 of space in a building over one year. The analysis has two parts that are added together to produce an overall figure that is termed the 'carbon profile': Operational carbon emissions [2] Embodied carbon emissions [2]
The embodied carbon of buildings is estimated to count for 11% of global carbon emissions and 75% of a building's emissions over its entire lifecycle. [7] The World Green Building Council has set a target for all new buildings to have at least 40% less embodied carbon.
Recycled carbon fibers are valued at up to $50 per pound of material. [5] The recycling of composite materials is more challenging than metal alloys because the industry has yet to develop methods to reuse the individual components that make up the material. [5]
Chlorine, sulfur and carbon (as coal) are cheapest by mass. Hydrogen, nitrogen, oxygen and chlorine are cheapest by volume at atmospheric pressure. When there is no public data on the element in its pure form, price of a compound is used, per mass of element contained. This implicitly puts the value of compounds' other constituents, and the ...
Metal prices are the prices of metal as a commodity that are traded in bulk at a predefined purity or grade. Metal can be split into three major categories, precious metals, industrial metals and other metals. Precious metals and industrial metals are priced by trading of those metals on commodities exchanges. [1]
Recycling is via a steelworks: scrap is either remelted in an electric arc furnace (90-100% scrap), or used as part of the charge in a Basic Oxygen Furnace (around 25% scrap). [20] Any grade of steel can be recycled to top quality new metal, with no 'downgrading' from prime to lower quality materials as steel is recycled repeatedly. 42% of ...