WorksheetsOREDE-P RGTP Unit 41: Waste Water Treatment Package
Total questions: 5
Worksheet time: 3mins
What is the potential contributors to oily wastewater in LNG facility EXCEPT?
Terminal Substation Area (Transformers)
Workshop and Maintenance Area
Fire-Water Pump Area (Diesel Day Tank)
Sea Water Pump Area
What is the maximum capacity use to separate oil from wastewater?
100 m3/hr
150 m3/hr
200 m3/hr
250 m3/hr
What is the function Oil Skimmer?
collect oily wastewater from the various area throughout the terminal
to remove up to 20 gallons of oil per hour from the oily wastewater surface
to stir wastewater in Sump pit
to cooling wastewater temperature
What are the important parameters to monitor wastewater systems?
(You may choose more than one answer)
Flow
Temperature
Oil Concentration
pH
What is the pH allowable range before discharge outfall?
pH 6.5 – 7.5
pH 5.5 – 6.5
pH 7.5 – 8.5
pH 2.5 – 4.0
