Aluminum Recycling and Processing for Energy Conservation and SustainabilityEnergy and sustainability are critical factors for economic development, and this comprehensive reference provides a detailed overview and fundamental analysis of sustainability issues associated with the aluminum industry. This publication brings together articles on the concepts and application of life-cycle assessments that benchmark aluminum-industry efforts towards sustainable development. Chapters provide energy-use data for primary and secondary aluminum production and processing along with future energy saving opportunities in aluminum processing. Life-cycle assessments provide basic, factual, information on the modeling of material flow in the industry, its products, and most importantly energy savings involved with recycling. Coverage includes various scrap sorting technologies and the positive impact of lightweight aluminum in transportation and infrastructure. |
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Aluminum Recycling and Processing for Energy Conservation and Sustainability John A. S. Green No preview available - 2007 |
Common terms and phrases
Air emissions alumina aluminum alloys Aluminum Association aluminum industry aluminum production Aluminum Recycling anode production approximately ASM International automotive bath bauxite bauxite mining calcined carbon anode carbon dioxide equivalent carbothermic cathode chloride CO₂ coke components consumed cryolite Cycle Assessment electrical electrolysis energy consumption energy savings energy values environmental extrusion feedstock fluoride fuel furnace global Hall-Heroult cell Hall-Heroult process heat impact inert anode ingot casting input kaolinite kg/MJ kg/t kWh/kg of aluminum manufacturing melting metric tons minimum energy requirement minum molten aluminum molten metal on-site operations output oxide particles perfluorocarbon prebake primary aluminum raw materials reaction recycled aluminum recycled metal reduction remelting reverberatory furnaces rolling secondary aluminum Shape casting smelters smelting steel Table tacit energy temperature theoretical minimum energy thermal tion tonnes transportation typically U.S. aluminum unit process waste wetted cathode wrought wrought alloys
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Page 16 - strike a balance between the 'need to produce goods' and the 'need to protect the environment' by modifying the materials system so that all resources, including environmental, are paid for by users...
Page 17 - ... projects and activities. Contributing to the awareness of the importance of indigenous concerns was the role played by indigenous peoples and their supporters at the United Nations Conference on Environment and Development (UNCED) held in Rio de Janeiro in June 1992.
Page 16 - ... materials. • Manage materials policy more effectively by recognizing the complex interrelationships of the materials — energy — environment system so that laws, executive orders, and administrative practices reinforce policy and not counteract it. These directives are further detailed below. Strike a balance between the "need to produce goods" and the "need to protect the environment...
Page 7 - Waste relevance Soil pollution and degradation Water contamination Air contamination Noise Consumption of energy Consumption of natural resources Effects on ecosystems 3.4 ISO Standardization Environmental management is a top-priority issue, not only in the European Union but worldwide.
Page 19 - Industrial ecology provides an integrated systems approach to managing the environmental effects of using energy, materials, and capital in industrial ecosystems. To optimize resource use (and to minimize waste flows back to the environment), managers need a better understanding of the metabolism (use and transformation) of materials and energy in industrial ecosystems, better information about potential waste sources and uses, and improved mechanisms (markets, incentives, and regulatory structures)...