变压吸附氮气甲烷污染调查
摘要
净压缩空气(CDA)的场合。然而,近期监测结果显示,PSA氮气中的甲烷含量已攀升至10 ppm级别,这对工艺生
产构成了微量污染的问题。本文深入剖析甲烷含量升高的多重成因,包括全球气候变暖的加速效应、废弃油气井的
持续泄漏、农业与垃圾填埋排放的区域性叠加影响,系统阐述高浓度甲烷对光刻、薄膜沉积等核心工艺的危害机制,
并提出涵盖源头减排、高效净化技术、智能化监测预警和行业协作的全方位解决方案。本研究旨在为半导体行业应
对甲烷污染挑战、保障超净环境稳定性和提升产品良率提供科学依据与技术支撑。
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