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首頁 > 資料下載 > 印第安納州東芝加哥印第安納港鋼鐵廠安賽樂米塔爾美國公司高爐瓦斯火炬捕集項目的最終環(huán)境評估FINAL ENVIRONMENTAL ASSESSMENT FOR THE BLAST FURNACE GAS
印第安納州東芝加哥印第安納港鋼鐵廠安賽樂米塔爾美國公司高爐瓦斯火炬捕集項目的最終環(huán)境評估FINAL ENVIRONMENTAL ASSESSMENT FOR THE BLAST FURNACE GAS 印第安納州東芝加哥印第安納港鋼鐵廠安賽樂米塔爾美國公司高爐瓦斯火炬捕集項目的最終環(huán)境評估FINAL ENVIRONMENTAL ASSESSMENT FOR THE BLAST FURNACE GAS

印第安納州東芝加哥印第安納港鋼鐵廠安賽樂米塔爾美國公司高爐瓦斯火炬捕集項目的最終環(huán)境評估FINAL ENVIRONMENTAL ASSESSMENT FOR THE BLAST FURNACE GAS

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美國能源部提議根據(jù)《2009年美國復(fù)蘇與再投資法》(Recovery Act)向阿塞洛-米塔爾美國公司(ArcelorMittal USA, Inc.)的擬議項目提供財政援助。擬議中的項目將在安賽樂米塔爾位于印第安納州芝加哥東部的印第安納港鋼鐵廠建造和運營一個高爐煤氣回收鍋爐和配套基礎(chǔ)設(shè)施。工廠占地約3400英畝。能源部提議的行動是向阿塞洛-米塔爾提供3150萬美元的費用分攤安排。擬議項目的場址準(zhǔn)備、設(shè)備安裝和開辦的總費用約為6 320萬美元。目前，阿塞洛-米塔爾公司從印第安納港生產(chǎn)的高爐煤氣中，大約有22%是通過燃燒，然后通過一個排氣口排放到大氣中，這個過程被稱為燃除。該公司使用剩下的78%的天然氣為鍋爐提供動力。這個擬議的項目將減少燃燒的廢氣量。這個提議的項目將利用廢氣來驅(qū)動一個新的80%效率的鍋爐，每小時產(chǎn)生35萬磅的蒸汽，然后用蒸汽來驅(qū)動現(xiàn)有的渦輪機發(fā)電。該鍋爐將產(chǎn)生約38兆瓦的電力(每年333,000兆瓦時)，足以為30,000個家庭提供電力。

The U.S. Department of Energy (DOE or the Department) proposes to award a financial assistance grant under the American Recovery and Reinvestment Act of 2009 (Recovery Act) to ArcelorMittal USA, Inc. (ArcelorMittal) for its proposed project. The proposed project would construct and operate a blast furnace gas recovery boiler and supporting infrastructure at ArcelorMittal’s Indiana Harbor Steel Mill in East Chicago, Indiana. The mill occupies about 3,400 acres. DOE’s Proposed Action is to provide ArcelorMittal with a $31.5 million grant in a costsharing arrangement. The total cost of site preparation, equipment installation, and start-up of the proposed project would be about $63.2 million. At present, ArcelorMittal burns about 22 percent of the blast furnace gas from Indiana Harbor operations before releasing it to the atmosphere through an exhaust stack, a process called flaring. The company uses the remaining 78 percent of the gas to power boilers. The proposed project would result in a reduction of the amount of waste gas that is flared. The proposed project would use the waste gas to power a new 80-percent efficient boiler to produce 350,000 pounds of steam per hour, and then use the steam to drive existing turbines to generate electricity. The boiler would generate about 38 megawatts of electricity (333,000 megawatt-hours per year), enough to power 30,000 homes.

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