Aqua ammonia storage expansion

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About The Project

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Major Achievements

• CNF produced the design review and HAZOP study report, which included recommendations to fine tune the design in line with operational expectations and to ensure adequate safety.
• CNF identified the operation of the existing ‘After Scrubber’ as a concern because it would be inadequate under some circumstances. The ‘After Scrubber’ then became a separate project.

Project Innovations

• A streamlined process that saved time and money. The HAZOP showed stages two and three of the four-stage project were not required and that the project could proceed directly from stage one (operating only on old tank 3) directly to stage four. 
• A temporary supply of aqua ammonia was drawn from ‘bulki-boxes’ to ensure the continuous supply and to avoid the pressure of completing changeover work during short outages.

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