Water, energy, and environmental conservation are three key pillars that drive modern industrial processes. In this context, a significant initiative was undertaken in South Africa to enhance the control of liquor coolers. The primary objective? Decrease SO2 emission in the MgO#2 blow tank stack, ensuring a sustainable and environmentally friendly operation.

Project Overview

  • Focus Areas: Water, Energy, Environment
  • Country: South Africa
  • Description: Liquor Cooler Control Enhancement
  • Status: Completed
  • Timeline: August 26, 2022 – September 26, 2022

The Challenge

The MgO#2 blow tank stack had been identified as a significant source of SO2 emissions. With environmental sustainability at the forefront, Anssum undertook a root cause analysis to pinpoint the underlying issues. The findings? The control system surrounding the liquor cooler was underperforming. This inefficiency resulted in hot quench liquor being directed to the digesters and subsequent over-pressurisation of these digesters during the pulp discharge phase.

The Initiative

Armed with this knowledge, Anssum’s approach was twofold:

  • Focus on Control: The initiative emphasised enhancing the control mechanisms around the liquor coolers. This involved an in-depth look at the tuning parameters and the overall layout of the control system. By understanding the current limitations and inefficiencies, a tailored solution could be proposed.
  • Leveraging Unutilised Equipment: A critical observation was the presence of equipment that was not being utilised to its full potential. By tapping into these resources, the project aimed to achieve its environmental goals without incurring additional hardware costs.

Outcome and Challenges

The project served as a proof of concept, showcasing the potential to significantly reduce blow tank emissions. However, like many transformative initiatives, there were hurdles along the way. Change management emerged as a primary challenge. Adapting to new processes and systems requires a shift in mindset, and the team had to navigate these waters with tact and patience.

Concluding Thoughts

The Liquor Cooler Control Enhancement initiative stands as a testament to the power of proactive analysis and innovative thinking. By identifying underutilised resources and optimising existing systems, Anssum has once again demonstrated its commitment to sustainable and efficient solutions. As industries worldwide strive for eco-friendly operations, such projects serve as a beacon, highlighting the path forward.

Through initiatives like these, Anssum continues to lead the way in sustainable industrial practices, showcasing the perfect blend of technology and environmental consciousness.