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Different Sources of oily wastewater: Treatment by EC

SourceTargetPollutant

Experimental Setup Modeof

Expt

Operationalconditions

Optimumconditions

Analysismethod

Initialconc

Finalconc

%Rem

SludgeCharac

Remarks Ref

Reactor Electrode

GasRefinery

pH,CODmg/L

Material:Plexi glass

Dimensions:14 dia*10cm

Volume:0.4L

Shape:Cylindrical

Material:Aluminium

Dimensions:0.3*3*4.5cm

Number:6

Batch pH: 2-9

A/cm 2:25-40 mA

D: 0.5-1.25cm

ET: 90 and120 mins

Ph: 7

A/cm 2:40 mA

D: 1 cm

ET: 90mins

EC pH:7.6

COD:4000

pH:7

COD:120

97 NR Electrodeconsumptionin the rangeof 0.15 to0.23 kg/ kgCODremoved

Saeedi Met al.

2011.Iran.

Port WasteReceptionfacilities

SS mg/L,CODmg/L,O&Gmg/L

Material:Plexi glass

Dimensions:8*8*12.5cm

Volume:0.5L

Material:Aluminium(monopolar)Dimensions:7*12 cm

Number:4

Batch A/cm 2:8-24

D: 1.6 cm

ET: 5,10,20,30 mins

A/cm 2:16 mA

ET:20 mins

EC SS:13.3-660

COD:240-2783

O&G:6.5-736

SS:3

COD:63

O&G:38

98.8

93

81

NR O&Gremovalreached arate higherthan 80%after a ECtime of 10mins for allcurrentdensities.

Sekman Eet al.

2011.Turkey.

Domesticwastewater

SS mg/L,CODmg/L,TurbidityNTU

Material:Plexi glass

Dimensions:6*6.4*16 cm

Volume:0.4L

Material:Iron

Dimensions:0.2*6*12 cm

Batch D: 0.6 cm

pH: 3.5

ET: 1-15mins

0.36A-15V0.25A-10V0.12A-5V0.36A-10V

ET: 8-15mins

0.12A-0.6V

EC pH:7.2

SS:95

COD:260

pH:7

SS:28.5

COD:130

70

50

NTU70

Sludgeproductionwerebetween1.5 to 2%in optimalconditions.Inorganicfraction ofprecipitatedsolids was2.6%.

Electrodedissolutionfor 1m3 is 40gms.

Kurt Uet al.

2008.Istanbul

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Source TargetPollutant

Experimental Setup ModeofExpt

Operationalconditions

Optimumconditions

Analysismethod

Initialconc

Finalconc

%Rem

SludgeCharac

Remarks RefReactor Electrode

Syntheticwastewater

SS mg/L,Turbidity

NTU,CODmg/L

Material:Glass

Shape:cylindrical

Volume: 2L

Stirring:100 rpm

Material:Iron

(monopolar)Dimensions:13*5*0.4 cm

Number:4

Batch A/cm 2:10

V:30

D:5cm

ET: 50mins

A/cm 2:10

V:30

EC SS:1400

Turbidity:491

COD:1140

SS:978.04

Turbidity:13

COD:276

30.14

97.35

75.79

NR OthmanF et al.

2006.Malaysia

Dairywastewaters CODmg/L,O&Gmg/L,TSSmg/L,pH

Volume:0.65L

Dimensions:10*5*0.2 cm

Stirring: 100rpm

Material:Iron(bipolar)Number:4

Batch pH:3.5-10

A/cm 2:0.3-1.8

D: 2.5 cm

T: 298K

pH:6-7

A/cm 2:0.6

ET: 1min

EC COD:18300

O&G:4570

TSS:10200

pH:6-7.5

COD:366

O&G:47.5

98

99

NR Electrodedissolutionis 0.0204gms/KgCODremoved.

Ayhan IS et al.2006.Turkey.

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Different Methods of Treatment of oily wastewater:

Source TargetPollutant

ExperimentalSetup

Operationalconditions

OptimalConditions