Ferreirolo ® 07-Sep-2021 22:00

Guide to oil in water monitoring & discharge


Year: 2021
Language: english
Author: Rivertrace
Genre: Guide
Publisher: Rivertrace
Format: PDF
Quality: eBook
Pages count: 43
Description: While the intention of MARPOL Annex VI aimed at reducing air pollution from ships’ engines is laudable, with the benefit of hindsight it can be seen that regulating for different exhaust components at different times and in different ways has complicated matters more than was probably necessary.
For each component regulated, new technologies have been developed but all are expensive and sometimes also require additional power thus increasing CO2 emissions or else they are seen as somehow cheating the intention of the regulation by moving the emission from air to sea. This latter is particularly true of washwater and more especially from exhaust gas cleaning systems or wet scrubbers used for removing SOx from the exhaust stream of vessels burning fuels containing levels of sulphur above those permitted under MARPOL Annex VI. The Exhaust Gas Recirculation method of reducing NOx emissions also involves washwater treatment and is now being seen as problematic also.
This guide looks at the subject of washwater and examines some of the major issues.

Contents

1.- What is washwater?
2.- Bilge water & oil water separation
3.- Water Monitoring Technology
4.- Regulation

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