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首页> 外文会议>Annual Meeting amp;amp;amp; Exhibition of The Minerals, Metals amp;amp;amp; Materials Society >Results from Fluoride Emission Reduction Projects in Alcoa Baie-Comeau
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Results from Fluoride Emission Reduction Projects in Alcoa Baie-Comeau

机译：氟化物排放减排项目在Alcoa Baie-Comeau中得到

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摘要

In 2012, Alcoa started an initiative to sustain the operation at the Baie-Comeau aluminum smelter in provision of creeping the amperage of potlines by more than 7%. As part of this initiative, solutions needed to be identified to stabilize the operation of the four Gas Treatment Centers (GTCs) and ensure compliance with a new emission limit for total fluorides (TF) of 0.65 kg TF/ton Al. The project is an engineering alliance project jointly executed by a team of Alcoa and Hatch specialists. The first stage was to identify which tools were available to the smelter to reduce their emissions. The impact and costs were evaluated after which a strategy was formulated. Following Alcoa procedures for approvals, three improvement projects were funded. These were (1) the installation of extended surface filter bags in the GTCs, (2) new fresh alumina GTC distribution systems, and (3) a refurbishment program for the GTC collector ducts. This paper highlights the process for developing the strategy to lower emissions and how the three individual projects were executed with one common goal. The paper concludes with the outcomes and the overall results achieved in the fluoride emission reduction.
机译：2012年，Alcoa开始一项倡议维持在Baie-Comeau铝冶炼厂的行动，以便在提供超过7％的时间内蔓延的水壶。作为该倡议的一部分，需要鉴定解决方案以稳定四个气体处理中心（GTCS）的操作，并确保符合0.65kg TF / TON Al的总氟化物（TF）的新排放限制。该项目是由一支羊肉和孵化专家团队共同执行的工程联盟项目。第一阶段是确定冶炼厂可获得哪种工具以减少排放。在制定策略之后评估了影响和成本。在批准的铝制程序之后，资助了三个改进项目。这些是（1）在GTCS，（2）新的新鲜氧化铝GTC分配系统中的扩展表面过滤袋安装，以及（3）用于GTC收集器管道的翻新程序。本文强调了制定较低排放策略以及三个个别项目如何与一个共同目标执行的过程。本文以氟化物排放减少达成的结果结束，结果达成了结论。

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