亞利桑那州廠面臨缺水挑戰 台積電:規劃 - 工程師
By Sierra Rose
at 2023-04-05T08:55
at 2023-04-05T08:55
Table of Contents
新聞標題: 亞利桑那州廠面臨缺水挑戰 台積電:規劃蓋再生水廠
2023/04/04 13:06:26
中央社 記者張建中新竹4日電
台積電美國亞利桑那州廠即將於2024年量產4奈米製程,外媒報導,當地水情嚴峻,台積
電恐面臨缺水挑戰。台積電表示,將提升水資源使用效率,並計劃在當地建置再生水廠。
台積電美國新廠位於鳳凰城,而鳳凰城約有40%的水來自科羅拉多河(Colorado River)
,隨著這條河的水位比目標水位低40%,此外,7成水用於農業,另有至少29個原住民部落
提出水權要求。巴隆金融周刊(Barron's)報導,台積電在鳳凰城可能面臨複雜的「水政
治」。
台積電對此表示,在建廠規劃初期,即與鳳凰城市府官員密切溝通並確認水源供給狀況。
鳳凰城多年來積極建造相關基礎設施確保永續的供水,擁有科羅拉多河、維迪河(Verde
River)、鹽河(Salt River)、地下水與再生水共5種多元健全的水源供給規劃,獲亞利
桑那州認證為百年用水無虞城市。
台積電本身也將建造完備的廢水處理及水資源回收系統,積極降低用水量及廢水排放量,
致力提升整體水資源使用效率。
除進行酸鹼廢水、氫氟酸廢水以及氨氮廢水等處理,台積電並依排放水潔淨程度分級,將
最純淨的水再利用於生產製程,透過回收處理取得的次級用水則用於無塵室空氣洗滌、冷
卻水塔等用途,降低用水。
台積電指出,無法回收使用的廢水,透過系統進行最終廢水處理,廢水排放濃度優於亞利
桑那州政府要求的放流水標準。台積電表示,除進行多層次的水資源回收與再利用處理,
在當地也有建置再生水廠計畫。
新聞來源: https://reurl.cc/qkoGWp
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