Comments on: 10 Oily Water Separator (OWS) Maintenance Tips Every Ship Engineer Must Know

By: md.waheduzzaman

md.waheduzzaman — Sun, 20 Dec 2020 05:01:23 +0000

how will I test the oil sensing probe??

By: ismail reziga

ismail reziga — Sat, 09 May 2020 01:21:47 +0000

HI engineers
about the ows certaficate.
evry one year a technical person come on board to calibrate the 15 ppm sensor , and issued a new certaficate.

By: Rikson

Rikson — Wed, 28 Aug 2019 20:55:42 +0000

Dear sir…
Please give me your advice …
How to do if OWS display monitor suddenly blackout. And alarm has came on Engine control room OWS concentration abnormal.
Meantime directly engineer on duty took action to check to local side check the input current To monitor in Normally…please dear all of u help me, I very highly need your feedback soon.ths

By: Ramdayal bhaira

Ramdayal bhaira — Sat, 22 Jun 2019 05:30:41 +0000

Why the regulation says 15 ppm why not 20 or 30ppm, any specific reason behind this

By: Almeida

Almeida — Sat, 26 Jan 2019 18:14:12 +0000

Is it mandatory or not to be sailing to operate OWS? If yes, which rule says it? Thanks.

By: Anish

Anish — Tue, 11 Dec 2018 03:02:14 +0000

In reply to MURUGADASAN M.

@Murundadasan:
1. Immediately inform the company
2. Make an entry in the ORB about the malfunction of the OWS
3. Collect bilge in Bilge tank and record all the transfer details.
4. Show all the records to PSC and the request sent to the company about the OWS.

By: MURUGADASAN M

MURUGADASAN M — Mon, 10 Dec 2018 16:33:42 +0000

Dear sir if the ows is not working/malfunction what actions to take , how to handle PSC.

By: ivan ipsen

ivan ipsen — Thu, 08 Sep 2016 22:32:07 +0000

Solvents and cleaners dissolved in the bilge water may cause oil and dirt to stay mixed and not seperate properly. If water is cloudy, ppm sensor will react. If possible test ph of water before attempting to process. Cleaners can be neutralised easily with a small amount of chlorine or vinegar.

By: Prem Prabhu Ch Engr.

Prem Prabhu Ch Engr. — Wed, 13 Jan 2016 11:50:15 +0000

Under item4. Usually the filter life is around 4 months. If sand & gravel is used, the top layer requires a change every 3 to 4 months. Under exceptional conditions the changes for filters and sand could be at an interval of 6 months. This is because clean water also contains TDS that get caught in the filtration system. Changes above this time period is an invitation for closer scutiny by USCG, Hamburg Police etc.
Also ensure that the Oil Record Book is correctly filled& signed by the Engr incharge of the operation, followed by C/E.

By: eko priyanto

eko priyanto — Mon, 02 Nov 2015 04:04:11 +0000

Good

By: Venry Tambelangi

Venry Tambelangi — Fri, 23 Oct 2015 15:21:35 +0000

Normally we have two suctions for OWS, from Bilge Tank and from Bilge Wells.
Try to collect the bilge water from wells to bilge tank and run the OWS only if you need to pump out from tank.
The arrangement provide low and high level switch at bilge tank so the OWS can start automatically. We can always switch to manual operation.
The advantage of this methode is the liquid that enter to OWS is mostly water, off course you have to check the level of oil inside the bilge tank regularly.