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Oil Separator

Separators of petroleum derivative substances

Separators of petroleum derivative substances class I  - key 

Separators of petroleum derivative substances class II  - key 

Technical specifications of separators on the example of coalescing machines

 

PN-EN 858 standard divides the standard separators into two groups:

Class I – coalescing separators, for which the concentration of petroleum derivatives at the outlet must be lower than 5 mg/l

Class II – gravity separators, for which the concentration of petroleum derivatives at the outlet must develop below 100 mg/l

 

Machine selection:

In accordance with the terms of the PN-EN 858:2005 standard, the choice of a separator of petroleum derivative substances boils down to calculation of its flow. The efficiency of the separator is specified by the maximum flow, for which the presumed in the standard reduction of concentrations of petroleum derivative substances in the outflow from the separator shall be preserved.

The general formula for the selection of separators under the PN-EN 858 standard: 

 

NS = (Qr + fx Qs) x fd where:
NS - nominal size
Qr – nominal flow of the rainwater in  l/s
Qs – maximum flow of the process wastewater in l/s

fd – density coefficient

fx - separation hindrance coefficient

 

PARAMETERS OF OIL SEPARATORS


TYPE EQUPIMENT
Coalescing separator type: OIL I

  separating chambe

      coalescing cartridg

 automatic closure

Coalescing separator with desilter type: OIL S I

  separating chambe

 desilter chambe

coalescing cartridg

  automatic closure

Coalescing separator with desilter and by-pass (5) type: OIL SB I

 separating chambe

 desilter chambe

 coalescing cartridg

  by-pass (fivefold

automatic closure

Coalescing separator with desilter and by-pass (10) type: OIL SLB I

 separating chamber

desilter chambe

coalescing cartridge

by-pass (tenfold)

automatic closure

Coalescing separator with desilter (2) type: OIL 2LS I

separating chamber

desilter chamber (two times bigger)

coalescing cartridge

automatic closure

Coalescing separator with desilter (3) type: OIL 3LS I

separating chamber

desilter chamber (three times bigger)

coalescing cartridge

automatic closure

Coalescing separator with desilter and pump chamber type: OIL SP I

separating chamber

desilter chamber

pump chamber

coalescing cartridge

automatic closure

 

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