What happens when fuel oils containing sulphur are burnt in a diesel engine without an exhaust gas cleaning system? Relevant chemistry Summary of typical emissions from a slow speed 2 stroke diesel engine
What are the effects of sulphur oxides on human health and ecosystems? Relevant chemistry
What is an exhaust gas cleaning system?
What qualities must the water supplied to an exhaust gas cleaning system have?
How can it be confirmed that the alkalinity of water is suitable for scrubbing in an open type exhaust gas cleaning system?
What emissions can be monitored to ensure that scrubbed emissions comply with the MARPOL % sulphur-in-fuel regulations?
What happens to sulphur oxides in an exhaust gas cleaning system using seawater? Relevant chemistry
How does the sulphate from exhaust gas cleaning systems affect seawater composition?
How does seawater buffer or neutralize acids created by scrubbing? Relevant chemistry
What happens to sulphur oxides in an exhaust gas cleaning system using fresh water with a chemical additive such as sodium hydroxide? Relevant chemistry
What levels of pollutants can a typical wet exhaust gas cleaning system remove from an exhaust stream?
Do exhaust gas cleaning technologies contribute to increased global CO2 emissions?
How much particulate matter could be controlled by exhaust gas cleaning systems?
How much sludge could an exhaust gas cleaning system produce?
How is it ensured that the water discharged into the sea does not harm the environment?
What is the pH of the water discharged from an exhaust gas cleaning system into the sea?
How is pH of the discharge water controlled?
Is the oxygen content of the discharged water measured? Relevant chemistry
How does the use of exhaust gas cleaning systems relate to ocean acidification? Relevant chemistry
What are PAHs?
How do exhaust gas cleaning systems prevent PAHs entering the sea?
How do exhaust gas cleaning systems prevent heavy metals entering the sea?
Why is turbidity measured?
What is nitrate? Relevant chemistry
How does exhaust gas cleaning relate to nitrogen-based nutrients in the sea?
How are overboard nitrate emissions monitored?
What about the potential environmental impact of exhaust gas cleaning systems using chemicals for scrubbing?
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