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News / Technology/ Solvay and Andritz has developed a ‘dry’ scrubber system for vessels

Solvay and Andritz has developed a ‘dry’ scrubber system for vessels

30 Sep 2019
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Advanced materials and chemicals firm Solvay and industry plant equipment supplier Andritz on Thursday (26 September) said they have developed the BICAR® dry exhaust gas cleaning system.

The DNV GL certified system has been designed to comply with the new sulphur emission regulations issued by the International Maritime Organization (IMO) for shipping vessels.

The Bicar® dry exhaust gas cleaning system was installed on the RoPAx ferry Piana of the French ferry operator La Méridionale, and has successfully been in operation since being commissioned in April 2019.

The technology uses the Solvair® process principals developed by Solvay teams, using Bicar® as the sorbent for sulphur dioxide removal, and a pulse jet fabric filter for removal of the sulphates and particulates forming.

Andritz was responsible for design and engineering of the system, delivery of the main equipment, and commissioning, while installation work and operation of the system were the responsibility of La Méridionale.

Unlike other exhaust gas cleaning systems installed on maritime vessels, no seawater is used and no wastewater is discharged into the sea.

Compliance of this technology and system with IMO 2020 regulations was confirmed by the Ship Acceptance Test and the MED-G certification awarded for the system by the classification society DNV GL.

The certificate verifies conformity of the system with the (EU) 2018/773, item MED/2.10 regulations as well as with MARPOL 73/78.

Furthermore, an independent third party (CERTAM) assessed the effectiveness of the Bicar® dry exhaust gas cleaning system.

“The results are impressive and show that the required SO2 removal to lowest values (more than 96% of SOx removed, with potential to achieve higher rates) was achieved easily,” stated Solvay.

“In addition, the ability of the system to remove more than 99% of particulates and ultra-fine particulates was confirmed.

“These figures are remarkable and demonstrate the effectiveness of the system.”

Photo credit: La Méridionale
Published: 30 September,2019

 

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