Friday 27th May, 2022

thyssenkrupp wins desulphurisation plant supply contract

Thyssenkrupp Uhde has won an order to supply a desulphurisation plant at ArcelorMittal Belgium’s Ghent site.
credit: thyssenkrupp Industrial Solutions AG

thyssenkrupp Uhde has won an order to supply a desulphurisation plant at ArcelorMittal Belgium’s Ghent site.

The main aim of the brownfield project is to enhance the existing coke oven gas treatment plant with an advanced sulphur removal and recovery unit.

ArcelorMittal Belgium COO Primary, Jeroen Van Lishout, says the project marks another milestone in making the plant in Gent more environmentally friendly.

“It is a major effort for the whole industry, and we are taking diligent steps towards our aim to reduce SOx emissions,” Van Lishout said.

The original coke plant was built by thyssenkrupp Uhde’s coke plant specialists 25 years ago, then under the name of Thyssen Still Otto company.

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Coke Plant & Inorganic Acids operating unit Executive Director, Michael Petzinna, said the company is glad for the continued trust of its customer, ArcelorMittal.

“With our advanced technologies and project execution capabilities we can deliver a technical solution that is tailor-made for their needs,” Petzinna said.

thyssenkrupp Uhde will install its proprietary processes CYCLASULF for desulphurisation as well as the MONOCLAUS for a highly efficient sulphur recovery.

The existing gas treatment unit also required a new back-up system for the existing part. thyssenkrupp Uhde was able to offer a solution which links existing and new process trains of the CYCLASULF process.

The advanced solution for coke oven gas desulphurisation removes hydrogen sulfide (H2S) and ammonia (NH3) from coke oven gas. The acid gas stream is concentrated and prepared for further processing, either to sulphur or sulphuric acid. In Ghent, elemental sulphur will be recovered. Modern mass transfer elements significantly reduce the size of the required equipment, keeping the footprint low.

The same is true for the MONOCLAUS process for sulphur recovery and ammonia decomposition. It enables the production of liquid pure sulphur utilising a minimum number of equipment and pipelines compared to conventional Claus plants, which results in a very compact arrangement and footprint.

By realising this new back-up plant, ArcelorMittal Ghent will be able to operate a low-emission desulphurisation plant during maintenance or inspection shutdowns, effectively replacing the former recovery plant which had a lower desulphurisation capacity.

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