Ships and marine technology. Marine NOx reduction agent AUS 40 - Quality requirements Ingestion-build-58320 differing only in the breaking

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5 Safety requirements and/

which specify the characteristics and functional requirements of the documentation

Ships and marine technology. Marine NOx reduction agent AUS 40 - Quality requirements Ingestion-build-58320 differing only in the breaking1 Scope This part of ISO 18611 specifies the quality characteristics of the marine NOx reduction agent, aqueous urea solution at 40 % concentration (AUS 40), which is needed to operate so called SCR (selective catalytic reduction) converters. In marine applications, for example, for engine exhaust gas treatment, SCR converters are particularly suitable for selectively reducing the nitrogen oxide (NOx) emissions of internal combustion engines and