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adnanfakhar
Participant

Join Date: Apr 2011
Posts: 3

Sludge Problem After Treamtment of LSFO

04/10/2011 4:02 PM

we are using low sulphur furnace oil for the burning in heavy duty gas turbines. To reduce the trace metal contents in low sulphur furnace oil, we have four electrostatic type treatment plants for the washing of LSFO where the outlet specifications of LSFO is less than 0.5 ppm. The effluent water after the washing process contains very high oil contents ranging from 10-20 %. It is very difficult to recover this oil because it contains very high impurities. Does any one of you have the experience of electrostatic type fuel oil treatment plants ?

please suggest a solution of this sludge/ reclaimed oil
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drbobwoolery
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Hobbies - CNC - New Member

Join Date: Feb 2010
Location: Vallejo, CA
Posts: 127
Good Answers: 8
#1

Re: Sludge Problem After Treamtment of LSFO

04/11/2011 1:30 AM

Tesaro operates two massive desalters and a deoiler for the desalter effluent. This is at the old Tosco refinery in Martinez, CA, built at the turn of the last century by Flying A. They may be willing to share process information, as they have been using a particularly nasty crude from the Central Valley since the 1930s. Both desalting and deoiling stages use electrostatic precipitation systems.
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adnanfakhar
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Join Date: Apr 2011
Posts: 3
#2
In reply to #1

Re: Sludge Problem After Treamtment of LSFO

04/11/2011 3:59 PM

Dear Tesaro

We are using the Low sulphur furnace oil for the burning in gas turbines in Kot Addu Power Company Limited having 1600 MW installed capacity in Pakistan. We have five fuel oil treatment plants where washing of fuel oil is done before the injection in gas turbines. There are four electrostatic treatment plants each having the capacity of 50 cubic meters per hour commissioned by Bakers Petrolite in 1980s. The outlet specifications of the sodium and potassium and are less than 0.5 ppm.

We are facing the problem of high oil contents in the effluent water after the washing process 10-30%. A floating sludge is found in the oil and water phase when simulation is being done at the laboratory scale in the centrifuge.

The oil in effluent water contains very high impurities which is very difficult to treat and 5 % organic sediments as well which has very high calorific value. How can we make the best use of this reclaimed oil
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