【鋁方面精品文檔】美鋁公司和鋁工業(yè)的可持續(xù)發(fā)展(編輯修改稿)
2025-02-12 21:06 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 ? Recycling the 516 million tonnes metal stored in use would equal 15 years’ primary aluminium output ? 15年的產(chǎn)量 10 Less Emissions 排污少 Reduced Mass 自重輕 Improved Performance 性能改善 Improved Safety 提高安全性能 Better Fuel Economy 燃料更經(jīng)濟(jì) Aluminium Transport Opportunity 鋁產(chǎn)品運(yùn)用于交通業(yè)的效益 High% Recycling 高度可循環(huán)性 11 119 . 68 . 87 . 66 . 70246810121950 1990 2023 2023 2023MTC O 2 e /M T A lCurrent Trend: 目前的趨勢(shì) ? On average, worldwide aluminum products are being less GHG intense on a per ton shipped basis due to: 平均來(lái)講，全球生產(chǎn)每噸鋁產(chǎn)品所排放的溫室氣體呈降低趨勢(shì)， 是因?yàn)椋? 1. Increase in the % recycled metal relative to primary metal and 循環(huán)回收的金屬與電解鋁的比例上升 2. Lower emissions intensity of primary aluminum facilities 電解鋁廠(chǎng)減低排放 3. Replacement of heavier metals to reduce emission and fuel consumption 替代更重的金屬以降低排放及能源消耗 12 Alcoa?s Efforts 美鋁付諸的努力 ? Through Production Process Increase energy efficiency and Emission Reduction 通過(guò)生產(chǎn)過(guò)程提高能源的利用率和減排。 ? Energy/Technology We?re Advancing to Drive Further Reductions in Emissions采用新能源及新技術(shù)以進(jìn)一步降低排放 － improve efficiency and/or eliminate PFC 提高效率和消除全氟化碳 － Transformational Technologies (. Inert Anode) 轉(zhuǎn)換技術(shù)如惰性陽(yáng)極（壽命延長(zhǎng) 34倍） － Waste Heat Recovery in Smelting Refining 電解鋁廠(chǎng)及氧化鋁廠(chǎng)的廢熱回收 － Wind Solar Applications at smaller fab plants 在小的鋁加工廠(chǎng)采用風(fēng)能及太陽(yáng)能 － Biofuels for mobile equipment 采購(gòu)生物能源，用于移動(dòng)設(shè)備 ? Mining Area Rehabilitation 礦區(qū)復(fù)墾 ? Recycling 回收再利用 ? Commitment to China－美鋁對(duì)中國(guó)的承諾 13 Specific Smelter Electricity Requirements Down 電解鋁降低能耗 1 4 . 41 4 . 61 4 . 81 5 . 01 5 . 21 5 . 41 5 . 61 5 . 81 6 . 01 6 . 219901992199419961998200020022004200620082010Megawatt hours per tonne ofaluminium produced14 Carbon Capture Technology 碳捕集技術(shù) ? The high pH limits the further utilization of the red mud赤泥的高堿性限制了它的進(jìn)一步利用 ? Benefits of capture CO2 through red mud用赤泥捕集 CO2有多種效益： – A new approach to sink CO2 therefore reduce the
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