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The copperCopper industry faces increasing pressure to reduce SO2 emissionsSO2 Emissions. While treating strong SO2 gases is standard, handlingHandling lean and fluctuating SO2 off-gases is a future challenge. These gases, which can have both low SO2 concentrations and be highly fluctuating, present both operational challenges and opportunities. This paper explores the sources of these gases in copper smeltersCopper smelter and specific obstacles that may arise when these are to be handled. The paper focuses on efficient methods for dealing with sulfurous off-gases and examines innovative solutions like the Wet Gas Sulfuric AcidWet gas Sulfuric Acid (WSAWSA) process to enhance sulfurSulfur abatement, energy efficiencyEnergy efficiency, and regulatory compliance.

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WSA, the Resilient Solution to Fluctuating Lean SO2 Gases

  • 会议论文

  • 发表日期：

    2025年

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  • Samuel Scherman Johansson

摘要

The copperCopper industry faces increasing pressure to reduce SO2 emissionsSO2 Emissions. While treating strong SO2 gases is standard, handlingHandling lean and fluctuating SO2 off-gases is a future challenge. These gases, which can have both low SO2 concentrations and be highly fluctuating, present both operational challenges and opportunities. This paper explores the sources of these gases in copper smeltersCopper smelter and specific obstacles that may arise when these are to be handled. The paper focuses on efficient methods for dealing with sulfurous off-gases and examines innovative solutions like the Wet Gas Sulfuric AcidWet gas Sulfuric Acid (WSAWSA) process to enhance sulfurSulfur abatement, energy efficiencyEnergy efficiency, and regulatory compliance.