Water Seperator (OWS) Reverse Osmosis (RO) Flashcards
WMSL ows power supply
440 VAC
WMSL OWS can process how many gal of oily contaminated water per hour
50 gallons per hour
WMSL OWS which component allows for overboard discharge?
Control module
The tendency to attract oil is known as what ?
cohesion
What is he 87 RO MCC
master control center
87 RO display lights
Normal operation-green light permeate is flowing through product valve
Dump cleaning- yellow product valve is closed
Salinity alarm-red flashing permeate quality is above salinity set point
How long do you circulate the winterizing solution through the R/o?
15 min
WMSL R/O unit is designed to produce ___ GPM
4.3 gal per min at 500 PPM is normal operating mode
WMSL R/O filtration is?
25 micron
What is the maximum halogen required after taking water from an unknown source 30 min after being in the tank?
2.0 PPM
WMSL filtration after the media filter is what size?
5 to 20 micron filters
5 to 20 micron filters
WMSL high pressure pump builds water pressure to a max of ? PSI
950 PSI
What voltage is the WMSL R/O
440 VAC
What is the smallest micron the eye can see
40 micron
R/O rings should be lubricated with what?
Glycerin or silicone lubricant
What is the R/O flushing time for a WMSL R/O
20 min
How long do you flush/dump the RO water after cleaning/winterizing?
20 min
When the WMSL display shows check product water
signal sent to MCC Check Product Water illuminates high salinity
Where is the brine seal located after installing a new membrane?
Before the membrane
After replacing the high pressure pump oil 100 hour oil change on the WMSEL RO when do you change the oil?
500 hour
87’ What is the first and second stage of the OWS SAREX?
first stage act as a gravity separator primary separation of oil and water
second stage removes any remaining oil
inside to outside flow
87’ what color is an indicator of overboard discharge
green
87’ What color indicators circulation?
yellow
87’ What is the capacity of the 87 OWS?
8 gal
87’ What is the rate that the OWS can separate?
2 GPM
What type of separator is the 87OWS?
2 stage gravity coalesce OWS
87 OWS operating pressure is?
40 PSI
87 OWS suction lift max is?
10 feet
WMSL water separator has 2 settings
operate and clean
Bromine cartridge shelf life
2 year shelf life from date of manufacture
What is the preferred disinfecting method?
Mechanical treatment methods are preferred to batch treatment
Waste water disposal status for cutters?
Cutter shall maintain a status sheet showing dates and results of tank inspections
How often are potable water tanks inspected?
Annually or when opened for any other reason
Where are potable water tank inspections kept?
Hull history
After inspecting the potable water tank what shall be done?
Sterilization
What component notifies personal on a WMSL that it is time to change the oil on an RO?
RCC (Remote Control Center)
Coupler color for potable water
Dark bleu
Potable water hose should be labeled every _____ feet?
10 feet
When is potable water tested aboard ships ?
Monthly
What are the two tests conducted on potable water?
FAC and TBR
