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Energy Consumption and Carbon Footprint of Secondary Aluminum Cast House

Energy Consumption and Carbon Footprint of Secondary Aluminum Cast House. WENJING WEI Email: wenjingw@kth.se TTMVM Supervised by Docent Weihong Yang. OBJECTIVES. Background: Aluminum is the second largest metal market Highly recycled material. Problem:

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Energy Consumption and Carbon Footprint of Secondary Aluminum Cast House

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  1. Energy Consumption and Carbon Footprintof Secondary Aluminum Cast House WENJING WEI Email: wenjingw@kth.se TTMVM Supervised by Docent Weihong Yang

  2. OBJECTIVES • Background: • Aluminum is the second largest metal market • Highly recycled material • Problem: • What’s carbon footprint of secondary aluminum product • How to improve energy efficiency and decrease greenhouse gas • Objectives: • Energy and CO2 per ton of aluminum production, • Solution to increase energy efficiency and decrease carbon footprint • Developing a software to make energy efficiency indicators

  3. RESULTS&DISCUSSION • Higher energy efficiency • Decrease heat loss ( logistic, insulation etc.) • Waste heat recovery( utilize exhaust gas, cooling water heat for pre-heating loads)

  4. RESULTS&DISCUSSION • Lower environmental impact: • Charge more aluminum scrap instead of primary ingot • Applying nuclear power generated electricity ( much lower carbon footprint compare to fuel)

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