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Ecospray introduces Wet Electrostatic Precipitator to remove visible exhaust smoke from stack

10 Aug 2021

Carnival Group subsidiary Ecospray on Thursday (5 August) introduced a new particulate removal solution for the marine market.

The Wet Electrostatic Precipitator (WESP) system was developed to eliminate visible smoke from the stack, especially during engine start-up and at low loads, by capturing particles (PM2.5 and below) and part of condensable species (SO3).

It can be installed downstream of the DeSOx tower and has low pressure drops and high removal efficiency. WESP can be integrated into an existing DeSOx tower or installed as a stand-alone unit, for both Open Loop and Hybrid EGCS.

“Like the EGCS plants for diesel engines, WESP is a ‘bridge’ technology, meaning it’s a true transition technology which will guide us towards the 2030-2050 objectives,” said Filippo Lossani – Ecospray.

“We are very satisfied with WESP, as it is a new product for the maritime industry, and is ready to be installed. Considering the ever-increasing focus on issues involving environmental sustainability and health – and given the growing demand for the reduction of polluting emissions – we expect that the standardization process of dust and particulates will be the necessary next step; and we are ready.”

All required laboratory testing has been successfully completed in recent months at Ecospray’s Labs.

RINA supported Ecospray in the assessment of the technology and various tests, while SGS assisted Ecospray with the laboratory analyses to test system performance in full scale.

“RINA’s role in this project begins with the verification and validation of the installation drawings onboard the ship, continues by establishing a test protocol which is to be performed with the support of a third-party company equipped for measurements, and ends with the issuance of a report on the results achieved,” said Andrea Cogliolo, Senior Director Marine RINA.

“The collaboration with Ecospray is part of RINA’s strategy, which looks at the energy transition as an area in which to make an important contribution. In the coming years, the shipping industry will be driven by decarbonisation and RINA is playing an active role in this transformation, making its multidisciplinary skills available to the sector to build an increasingly sustainable future.”

Vladimiro Bonamin, Director of SGS I&E Marine Services Geneva CH, said: “For this project, SGS Marine Services has been tasked with establishing the details for the analytical side of the test protocol prepared by RINA, and above all, preparing the QAQC protocol in order to guarantee top quality measurements.”

“This collaboration with Ecospray is part of SGS’s wider strategy – as the only global player operating in the field of environmental measurements on large transport and cruise ships, we also want to be leaders for complex measurements in technological and scientific content.”


Photo credit: Ecospray
Published: 10 August, 2021

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