Marine Link
Tuesday, January 23, 2018

Maersk Uses Emsys for Navy Biofuel Trials

Maritime Activity Reports, Inc.

October 20, 2011

W R Systems, Ltd (WRSystems) has been asked to supply its EmsysTM laser‐based Emissions Monitoring System (EMS) for the purpose of emission verification for an ongoing fuel trials on‐board the AP Moller‐Maersk vessel Maersk Kalmar.

WRSystems was asked to provide the EmsysTM system installation as part of a wider project between Maersk Line Limited (Maersk) and the US Navy to test biofuels for their long‐term suitability for maritime applications. EmsysTM was requested by Maersk following successful trial installations on two US‐based Maersk container vessels. Previous trials were used to prove system efficacy and aid the comprehensive marine Type Approval process under the supervision of the American Bureau of Shipping (ABS).

The EmsysTM system will collect comprehensive emissions and Particulate Matter (PM) data. This data will be included in a comprehensive performance report to be prepared by Maersk and audited by Lloyds Register (LR). Data collected will include Nitrogen Oxides (NOX), Sulfur Oxides (SOX), Carbon Dioxide (CO2), and PM. Additionally the report will detail findings o the effects of biofuels on the engine’s fuel system performance and normal wear and tear.

The EmsysTM system is unique in its measurement of emissions by Quantum Cascade Laser (QCL) technology. The system is highly accurate, stable, and suitable for the harsh environment experienced in the vessel’s upper funnel space. PM measurement takes place outside the stack, which allows a single optic to measure multiple stacks.

EmsysTM is designed to be virtually maintenance free, affording the lowest cost of ownership of any EMS systems currently available. Measuring the exhaust gas ‘hot and wet’ also removes the requirement for costly and maintenance intensive gas conditioning equipment. The system carries full Type Approval from ABS for MARPOL Annex VI NOx and SOx regulations. It also has been comprehensively tested and Type Approved for the measurement of PM, Mass Emissions, and the CO2 Operational Index, as detailed in IMO Circular MEPC 471.

WRSystems has been established for over 26 years and has a strong reputation for developing and supporting mission‐critical, high‐technology maritime navigation and communications equipment. The company, based in Fairfax, VA, with its Engineering Services Division in Norfolk, VA, supports multiple navies and commercial maritime companies around the world on a 24‐hour basis. ESD has an extensive track record in developing extremely rugged technology to meet applications where existing market offerings are unsuitable.

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