Search Results - "Graedel, T E"

Global In-Use Stocks of the Rare Earth Elements: A First Estimate by Du, Xiaoyue, Graedel, T. E

“…Even though rare earth metals are indispensible in modern technology, very little quantitative information other than combined rare earth oxide extraction is…”
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Challenges in Metal Recycling by Reck, Barbara K., Graedel, T. E.

“…Metals are infinitely recyclable in principle, but in practice, recycling is often inefficient or essentially nonexistent because of limits imposed by social…”
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Resource Demand Scenarios for the Major Metals by Elshkaki, Ayman, Graedel, T. E, Ciacci, Luca, Reck, Barbara K

“…The growth in metal use in the past few decades raises concern that supplies may be insufficient to meet demands in the future. From the perspective of…”
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Anthropogenic Cycles of the Elements: A Critical Review by Chen, Wei-Qiang, Graedel, T. E

“…A cycle is the quantitative characterization of the flows of a specific material into, within, and from a given system. An anthropogenic elemental cycle can be…”
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On the materials basis of modern society by Graedel, T. E., Harper, E. M., Nassar, N. T., Reck, Barbara K.

“…It is indisputable that modern life is enabled by the use of materials in its technologies. Those technologies do many things very well, largely because each…”
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Alloy information helps prioritize material criticality lists by Graedel, T. E., Reck, Barbara K., Miatto, Alessio

“…Materials scientists employ metals and alloys that involve most of the periodic table. Nonetheless, materials scientists rarely take material criticality and…”
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In-use product stocks link manufactured capital to natural capital by Chen, Wei-Qiang, Graedel, T. E.

“…In-use stock of a product is the amount of the product in active use. In-use product stocks provide various functions or services on which we rely in our daily…”
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Industrial Ecology: The role of manufactured capital in sustainability by Weisz, Helga, Suh, Sangwon, Graedel, T. E.

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Six Years of Criticality Assessments: What Have We Learned So Far? by Graedel, T. E., Reck, Barbara K.

“…Summary The “criticality” of the various elements used in modern technologies is a topic of increasing interest, with groups from governments, consultancies,…”
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Criticality of metals and metalloids by Graedel, T. E., Harper, E. M., Nassar, N. T., Nuss, Philip, Reck, Barbara K.

“…Significance In the past decade, sporadic shortages of metals and metalloids crucial to modern technology have inspired attempts to determine the relative…”
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Methodology of Metal Criticality Determination by Graedel, T. E, Barr, Rachel, Chandler, Chelsea, Chase, Thomas, Choi, Joanne, Christoffersen, Lee, Friedlander, Elizabeth, Henly, Claire, Jun, Christine, Nassar, Nedal T, Schechner, Daniel, Warren, Simon, Yang, Man-yu, Zhu, Charles

“…A comprehensive methodology has been created to quantify the degree of criticality of the metals of the periodic table. In this paper, we present and discuss…”
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Global Rare Earth In-Use Stocks in NdFeB Permanent Magnets by Du, Xiaoyue, Graedel, T. E.

“…Summary The rare earth elements are indispensible in modern technology, especially in the applications of permanent magnets. Very little quantitative…”
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Global Human Appropriation of Net Primary Production and Associated Resource Decoupling: 2010–2050 by Zhou, Chuanbin, Elshkaki, Ayman, Graedel, T. E

“…Human appropriation of net primary production (HANPP) methodology has previously been developed to assess the intensity of anthropogenic extraction of biomass…”
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Copper demand, supply, and associated energy use to 2050 by Elshkaki, Ayman, Graedel, T.E., Ciacci, Luca, Reck, Barbara K.

“…•Four scenarios for copper demand and supply, and the energy required for copper production have been developed.•The cumulative demand for copper is expected…”
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A half-century of global phosphorus flows, stocks, production, consumption, recycling, and environmental impacts by Chen, Minpeng, Graedel, T.E.

“…[Display omitted] •From 1961 to 2013, global phosphorus consumption increased fivefold.•Only about 22% of the extracted phosphorus is actually consumed as…”
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Lost by Design by Ciacci, Luca, Reck, Barbara K, Nassar, N. T, Graedel, T. E

“…In some common uses metals are lost by intent–copper in brake pads, zinc in tires, and germanium in retained catalyst applications being examples. In other…”
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Impact of the establishment of US offshore wind power on neodymium flows by Fishman, Tomer, Graedel, T. E.

“…Wind power is often posed as a greenhouse gas emission mitigation option, yet from a global perspective, the constrained supplies of rare-earth metals required…”
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In-Use Stocks of Metals: Status and Implications by Gerst, Michael D, Graedel, T. E

“…The continued increase in the use of metals over the 20th century has led to the phenomenon of a substantial shift in metal stocks from the lithosphere to the…”
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Building the Material Flow Networks of Aluminum in the 2007 U.S. Economy by Chen, Wei-Qiang, Graedel, T. E, Nuss, Philip, Ohno, Hajime

“…Based on the combination of the U.S. economic input-output table and the stocks and flows framework for characterizing anthropogenic metal cycles, this study…”
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The Contemporary Anthropogenic Chromium Cycle by Johnson, Jeremiah, Schewel, Laura, Graedel, T. E

“…Chromium is an essential engineering metal used in stainless and alloy steels, chemicals, and refractory products. Using material flow analysis, all major…”
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