PureSOx-Multi-4
The Alfa Laval S.p.A. PureSOx-Multi-4 is part of the PureSOx wet marine exhaust-gas cleaning system family used to reduce sulphur oxides in engine exhaust. Despite the category shown in the supplied equipment list, PureSOx is an exhaust-gas cleaning system rather than an oily water separator. Wash water contacts the exhaust gas so sulphur compounds are transferred from the gas stream into the liquid phase before the cleaned exhaust is discharged through the vessel's exhaust system. The Multi designation belongs to a PureSOx arrangement intended for vessel-specific integration of more than one exhaust source; the exact source count and duct arrangement must be confirmed from the project documentation. The exact operating arrangement of this unsuffixed entry—open-loop, closed-loop, hybrid or hybrid-ready—must be confirmed from the vessel-specific PureSOx documentation. The model suffix must not be used to infer a verified engine-power rating, gas-flow capacity or water-flow requirement; refer to the manufacturer documentation for the exact figure.
Components & Design
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Technical Data
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Common failures & inspection points
Service & Maintenance
Review emission and wash-water monitoring trends and compare them with the approved operating record rather than relying only on instantaneous values. Inspect scrubber internals, drains, piping, pumps, strainers, spray equipment and valves for deposits, corrosion, erosion and leakage during planned shutdowns. Verify calibration and condition of compliance-monitoring instruments and check valve-position feedback, interlocks and bypass arrangements where fitted. Closed-loop and hybrid systems require additional attention to circulation-water chemistry, dosing and water-cleaning equipment; all acceptance limits and calibration intervals must come from the approved manufacturer and statutory documentation.
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