Emission to the atmosphere below 5 ppb! A case study of selecting adsorbents according to gas conditions and designing to fit customer layouts.

We would like to introduce a case study of the "Activated Carbon Adsorption Tower (VOC Adsorption Tower)" implemented at a chemical plant to adsorb dilute gases generated within the factory and reduce their emission into the atmosphere. Although the gases are dilute and in trace amounts, they are highly toxic, prompting the consideration of implementation for the safety of the working environment and reduction of environmental impact. Therefore, we selected adsorbents based on the gas conditions and designed the system to fit the customer's layout. Additionally, we calculated the timing for adsorbent replacement, making it easier for the customer to plan. After implementation, emissions into the atmosphere were reduced to below 5 ppb, achieving a reduction in environmental impact and ensuring safety in the working environment. 【Case Overview】 ■ Unit Composition: Unit including SUS tank, piping, and framework ■ Industry Implemented: Chemical Plant ■ Challenges: Safety of the working environment and reduction of environmental impact ■ Effect: Emissions into the atmosphere reduced to below 5 ppb ■ Response Details: - Selection of adsorbents based on gas conditions and design tailored to customer layout - Calculation of adsorbent replacement timing *For more details, please feel free to contact us.

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