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Cathodic Protection System

PRIM E CORPORATIONHE AD OFFI CE : 3 f loo r , B M B ldg , 411-16 , Dog ok -dong , Gangnam- gu ,

Seoul, Korea.TE L : 82 -2 -783-2677 / FA X : 82 -2 -783-2679

FA CTORY : 3 92-12 , B o t ong- r i , Nam-my eon , Y eong i - gunChungc heongnam-do , K orea .TE L : 82 -41 -868-8477 / FA X : 82 -41 -868-8478

PRIM E CORP ORATION

CathodicProtectionSystem


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P r i m e C o r p o r a t i o n was founded in 1998. Through constant self-initiated technicaldevelopment it succeeded in registering as a venture firm in cathodic protection field for the first time

domestically. We are trying to become a leader in the field of design, supervision, manufacturing and

construction o f cathodic p rotection. We are supplying cathodic prote ction skill and facility for nuclear and

thermal power plant, desalination facility, port facility, petro-chemical facility, water supply system, oil

storage tank etc. Our company will continue our effort for satisfying needs of our customers based on our

high level technology and sense of responsibility.

H.K.PARK / PRESIDENT

CONTENTSH is to ry 3

Ov er se as Ex pe rie nc e L is t 3

C o r ro s io n 4

C a tho d ic Pro te c t io n 5

Sa c rif ic ia l Ano de Sys te m 6Magnesium AnodeAluminium Anode

Zinc Anode

Pure lron AnodePencil Anode(Mg-Anode)

Im p re s se d C ur re nt Sy st em 13High Silicon Cast lron Anode

Pb-Ag AnodePt-Ti & Pt-Nb Anode

MM0(Mixed Metal Oxide) Anode

C a t ho d ic P r o t e c t io n R e c t if ie r 17Cathodic Protection RectifierManual Rectifier

Automatic Rectifier

Remo te Cont ro l l ed Rect i f i e r 18a n d T e s t b o xNeed for Remote Monitoring System

Remote Monitoring RectifierRemote Monitoring Test box

System Composition

Accessor ies 19

P R I M E

C O R P O R A T I O N ( C A T H O

D I C

P R O T E C T I O N

S Y S T E M )

PRIME CORPORATION

P R I M

E

C O R P O R A T I O N ( C A T H O D I C

P R O T E C T I O N

S Y S T E M

)

3PRIMECORPORATION

CATHODIC PROTECTION SYSTEM 2

1998 07 08

1998 06 25

1998 09 12

1998 09 14

1999 04 02

1999 05 04

1999 05 10

1999 12 07

2000 11 13

2001 01 15

2001 09 25

Obtained Register NO.11536332, Korea International Trade Association

Established Jeil Corrosion Engineering Co. Ltd

Obtained license for contracts of Electric Works

Incheon Factory installationJuan Industrial Complex 5, 1385-15, Juan-Dong, Nam-Ku, Inchon, Korea

Obtained Trade Licence No. 199903946, Korea Foreign Trade Association

Registration to“Korea Heavy Industries & Construction Co. Ltd.”as a qualified vendor of cathodic protection

Registration to“Korea Electric Power Corp.”as a qualified vendor ofcathodic Protection (KEPCO)

Registration to“Small & Medium Industry Promotion Corp.”as a qualified Promising Venture Company(SMIPC)

Increase of Capital to Won 500,000,000.

Renamed as Prime Corporation

2001 05 17Renewal of registration to “Korea hydro & Nuclear Power Co.,Ltd” as a qualified vendorof cathodic protection

Obtained ISO 9001 Certification

2002 06 29 Registration to “Korea Water Resources Corporation” as a qualified vendor ofcathodic protection

2002 08 01Renewal of Registration to Korea East-West Power, Korea South-East Power,

Korea Southern Power, Korea Midland Power Co.,Ltd.

2002 09 05 Renewal of Registration to “Korea Western Power Co.,Ltd.

2002 11 23 Moved factory to 681-5 Kyungseo-Dong, Seo-gu, Incheon, Korea.

HISTORY

OVERSEAS EXPERIENCE LIST

HISTORY

1. Benghaz i N o r t h C om b ined C yc le Pow e r P lan t ( L ibya )

2. Glow 115MW CFB3 Project (Thai land)

3. Zhenhal/Zhuj iang/Jin l ing Combined Cycle Power Plant(China)

4 . N ippon Pape r Ish inomak i & Iw anuma ( Japan )

5 . N ueva Ven tanas T he r ma l E lec t r ic Pow er P lan t ( C h i le )

6. Jebel ALI Power And Desalinat ion Stat ion ‘M’ (UAE)

7 . Amba tovy Pow er P lan t ( Madagasca r S .A )

8 . Meghangha t 450M M C C PP ( Bang ladesh )

9. I l i jan CCPP (Phil ippines)

10. Barka l l IWPP Project (Oman)

11. Sabiya Ph3 Dist i l la t ion Project (K uwait )

12. Shuaibah #1~12 Desalinat ion Plant (Saudi Arabia)

Moved factory to 392-12 Botong-ri, Nam-myeon, Yeongi-gun, Chungcheongnam-do, Korea2005 08 08

2007 02 01 Moved head office to 1321-5 Seocho-dong, Seocho-gu, Seoul, Korea

2007 12 21 Moved head office to 411-16 Dogok-dong, Gangnam-gu, Seoul, Korea

Open Dubai office2006 11 06


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P R I M E C O R P O R A T I O N ( C A T H O

D I C

P R O T E C T I O N

S Y S T E M )

P R I M

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P R O T E C T I O N

S Y S T E M

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CATHODIC PROTECTIONCORROSION

When a metal corrodes in contact with an electrolyte (soil, water), neutral atoms pass into Solution by formingpositively charged ions. Excess electrons are left in the metal.

The process is indicated for iron as followings ; Fe→ Fe++

+ 2e-.Thus corrosion is accompanied by the flow of an electric current from vital to electrolyte due to the movement ofpositive ions into the electrolyte and of electrons into the metal. Any area at which current flows in this direction isreferred to as anodic area, and the reaction is called an anodic reaction. The metallic ions may react withnegative ions in the electrolyte to give insoluble corrosion products (for example, rust in the case of steel :Fe(OH)₂, Fe₂(OH)₃

Cathodic protection is a method wherein an electric current sufficient to stifle a Corrosion current is continuously

supplied from the opposite direction. This suppressing current is termed a“Protective Current.”There are three

methods for supplying current.

1 . S a c r i fi c i a l A n o d e S y s y s t e m

2 . Im p r e s s e d C u r r e n t S y s t e m

3 . D r a in a g e S y s t e m

■ A n o d ic A r e aM→Mn+ + ne-

■ C a t h o d ic A r e aMn+ + ne-→ M

O2 + 4H+ + 4e-→ 2H2O

2H+ + 2e-→ H2

Conditions where corrosion can occur :

∙Presence of anodic area and cathodic area on metal surface∙Electric path between anodic area and cathodic area

∙Presence of electrolyte which may cause ionic reaction

Economical Loss

EnvironmentalPollution

Satety Problem

W H AT IS C O RRO SIO N ? W H AT IS C ATH O D IC P RO TEC TIO N ?

M ET H O D S O F C A TH O D I C PR O T EC T IO N

ANOD IC AND C ATHOD IC REATION

CONDIT ION OF CORROSION


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SACRIFICIAL ANODE SYSTEMSACRIFICIAL ANODE SYSTEM

■ G e n e r a l

Magnesium anode is the most widely used metal in sacrificial anodes for underground structures and certainaqueous environments. Mg anode has the highest driving potential of sacrificial anodes. It is used for most directUnderground applications and in higher resistivity, aqueous electrolytes.

■ N o m i n a l D i m e n s i o n An d W e i g h t

■ P r o d u c t P r o p e r t ie s

■ C h e m ic a l C o m p o s i t io n

■ A p p l i c a t i o n

- Underground Pinping, Underground Tank, Tank Bottom, etc.

■ I n s t a l l a t i o n

Type W eig ht (Lb /Kg ) Dim e ns io n( Inc h/m m )

B a re PKGD A B C D E

9(4.08)

9(4.08)

14(6.35)

17(7.71)

17(7.71)

32(14.51)

32(14.51)

9D2

9D3

14D2

17D2

17D3

32D3

32D5

35(15.87)

27(12.24)

50(22.68)

60(27.21)

45(20.41)

91(41.27)

74(33.56)

2-3/4(70)

3-1/2(88.9)

2-3/4(70)

2-3/4(69.8)

3-1/2(88.9)

3-1/2(88.9)

5-1/2(139.7)

3(76)

3-3/4(95.2)

3(76)

2-3/4(69.8)

3-3/4(95.2)

3-3/4(95.2)

5-3/4(146)

21-2/3(560)

14-1/8(358.8)

33-1/2(850.9)

50(1270)

25-7/8(657.2)

45-1/4(1149)

20-5/8(523.9)

6(152.4)

6(152.4)

6(152.4)

6(152.4)

6-1/2(165.1)

6-1/2(165.1)

8(203.2)

31(787.4)

17(431.8)

46(1168.4)

55(1397)

29(736.6)

53(1346.2)

28(711.2)

TypeOpen C i r cu itPotent ia l (V)(Cu /Cuso4)

Ef fect iveCapac i t y(A .Hr /Kg)

CurrentEfficiency

(%)

Speci f icGravi ty

High Potential

PRH-1

-1.65 Max.

-1.50 Max.

1,100 Min.

1,105 Min.

50 Min.

50 Min.

1.80

1.80

Ele m e n t H ig h Po te n t ia l PRH -1

※ The size can be changed by the requirement of users.

Al

Zn

Mn

Si

Cu

Ni

Fe

Other Metal Impurities

Total of Impurities

Mg

0.01% Max.

-

0.5 ~ 1.3%

0.05% Max.

0.02% Max.

0.001% Max.

0.03% Max.

0.05% Max.

0.3% Max.

Remainder

5.3 ~ 6.7%

2.5 ~ 3.5%

0.15 ~ 0.70%

0.1% Max.

0.02% Max.

0.002% Max.

0.003% Max.

-

0.3% Max.

Remainder

M AG N ESIU M AN O D E M AG N ESIU M AN O D E


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SACRIFICIAL ANODE SYSTEMSACRIFICIAL ANODE SYSTEM

■ G e n e r a l

Aluminium anode makes it an attractive sacrificial anode material, especially in low resistivity applications suchas seawater and produced brines. Aluminium anode has lower driving potential than Mg anode and high currentcapacity than Zn anode, and these are important point for its use in long life saline system.


Type Life

( year )

Nom.Dimension

(B1+B2)×D×L(m/m)

Nom .WeightGross (kg )

Rem ark

HA1

HA2

HA3

HA4

HA5

HB1

HB2

HB3

HB4

HB5

10

10

10

10

10

20

20

20

20

20

(150+170)×145×335

(135+170)×130×585

(125+160)×125×875

(115+155)×120×1,195

(120+155)×110×1,555

(200+235)×230×300

(190+225)×205×510

(180+220)×190×765

(170+200)×190×1,035

(165+195)×180×1,340

23.8

34.8

47.8

59.0

71.3

45.4

64.4

85.4

106.3

126.5





- Steel Pile, Ship Ballast Tank, Pier, Barges, Dock, etc.


Open C i r cu itPotent ia l (V)(Cu/CuSO 4 )

Theore t i ca lCur ren tcapac i t y(A .Hr /Kg)


Cur ren tEf f ic iency

(% )

Consu m pt ionra te

(Kg/A.Yr)

Speci f icGravi ty

- 1.10 Max. 2,890 Min. 2,600 Min. 90 Min. 3.37 2.7

ALUM IN IUM AN O D E ALU M IN IUM AN O D E

Chem ical Com posi t ion (%)

Zn 2 ~ 15

In 0.004 ~ 0.02

Sn 0.05 ~ 0.15

Mg 0.5 ~ 5.5

Al Remainder


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■ G e n e r a l

Pure iron anode is an anode which contains very low carbon than ordinary metal and it is frequently used for cubased alloy protection of heat exchanger and desalination plants. In particular it is a very useful anode forprotection of Cu alloy tube from stress corrosion.





- Desalination Plant (Evaporator, Brine Heater), Condenser, Heat Exchanger, etc.

SACRIFICIAL ANODE SYSTEM

■ G e n e r a l

Zinc anode has been used widely for decades both for marine and soil applications. Zinc anodes are usuallyapplied in low resistivity soils below 1,000 ohm-cm and in seawater or produce brines. Zinc is excellent for use aselectrical grounds and special 99.99% pure Zinc is used as permanent Reference electrode.





- Desalination Plant, Steel Pile, Ballast Tank, Pier, Barges, Heat Exchanger, Condenser, Grounding cell, etc.

Typ e D im e ns io n (m m ) W e ig h t (Kg ) Re m a rk

PSA-ZN-1

PSA-ZN-2

PSA-ZN-3

PSA-ZN-4

PSA-ZN-5

20×100×200

30×100×200

20×150×300

25×150×300

30×150×300

2.4

3.5

5.8

7.2

8.4


Typ e D im e ns io n (m m ) W e ig ht (K g ) Re m a rk

PSA-FE-1

PSA-FE-2

400×250×40

300×200×40

31

18



Theore t i ca l

Cur ren tcapac i t y(A .Hr /Kg)



(% )

Consu m pt ionra te

(Kg/A.Yr)

Speci f icGravi ty

-1.10 Max. 820 Min. 780 Min. 95 Min. 11.23 7.1

SACRIFICIAL ANODE SYSTEM


Theore t i ca l

Cur ren tcapac i t y(A .Hr /Kg)



(% )

Consu m pt ionra te

(Kg/A.Yr)

Speci f icGravi ty

-0.67 Max. 960 Min. 860 Min. 90 Min. 10.186 7.87

ZIN C AN O D E P URE IRO N AN O D E

Chem ical Com posi t ion(%)

Al 0.1 ~ 0.5

Cd 0.05 ~ 0.3

Zn Remainder

Chem ical Com posi t ion(%)

C 0.007 Max.

Mn 0.040 Max.

P 0.005 Max.

S 0.003 Max.

Sn 0.005 Max.

Fe Remainder


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IMPRESSED CURRENT SYSTEMSACRIFICIAL ANODE SYSTEM

■ G e n e r a l

Pencil anode is Mg anode being used at inside of small boiler and condenser as well as heat exchanger and it issimple to handle and install.


■ S i z e o f P e n c i l A n o d e s


- Boiler, Heat Exchanger, Condenser, etc.

■ G e n e r a l

H.S.C.I anode have been sucefully in the cathodic protection industry for decades. The H.S.C.I anodes withchromium alloy have been used extensively in many countries and conforms to ASTM A 518 Grade 3. H.S.C.Ianodes have been used with coke breeze to surround them completely.


■ C h e m ic a l C o m p o s i t io n o f A n o d e & B a c k f i ll M a t e r i a l


- Underground Piping, Underground Tank, Tank Bottom, Water Tank Inside, etc.

Type Diam eter

( Inch) Leng th ( Inch )

PSA-PE-1

PSA-PE-2

PSA-PE-3

0.340

1.051.315

9.5

22.57

66

12

2713

72

17

28.519

73

21

3424

85

26

4228

97

29

29

33

31

35

35

42

37

44

43

48

49

50

55

54

61


P EN C IL AN O D E (M g -AN O D E) H IG H S ILIC O N C AST IRO N AN O D E

Type

NominalDimension(Inch)

NominalWeight

(Lb)Diameter Length

Nominal Area

Sq .ft M 2

PFW

PG2

PB1

PHK

PHA

PHR

1-⅛

2

1

1-½

2

3

9

9

60

60

60

60

1

5

12

26

44

110

0.22

0.40

1.4

2.0

2.6

4.0

0.02

0.04

0.13

0.19

0.246

0.37

H.S.C.I AnodeASTM A518 Grade 3

Bac kf i ll M ater ia l(Coke Breeze)

Si 14.20 ~ 14.75%

Cr 3.25 ~ 5.00%

C 0.70 ~ 1.10%

Mn 1.50% Max.

Cu 0.50% Max.

Mo 0.20% Max.

Fe Remainder

Carbon 99.35% Min.

Ash 0.6% Max.

Moisture 0.05% Max.

Volatiles 0% (950。C)

Ele m e nt H ig h Po te nt ia l

Al

Zn

Mn

Si

Cu

Ni

Fe

Other Metal Impurities

Total of Impurities

Mg

0.01% Max.

-

0.5 ~ 1.3%

0.05% Max.

0.02% Max.

0.001% Max.

0.03% Max.

0.05% Max.

0.3% Max.

Remainder


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IMPRESSED CURRENT SYSTEMIMPRESSED CURRENT S YSTEM

■ G e n e r a l

It is anode produced by adding silver (Ag) and Antimony (Sb) to lead, (Pb) the main material and is used forcondensers and heat exchanger of power plant and it is anode suitable to seawater of low resistivity.




- Condenser, Heat Exchanger, etc.


Typ e Size (m m )Consum pt ion

ra te(Kg/A.Yr)

Cur ren t Dens i t y(A/m 2 )

PIA-PB-1

PIA-PB-2

PIA-PB-3

PIA-PB-4

PIA-PB-5

50×100L

60×100L

70×100L

50×150L

60×150L

0.032 30~300


■ G e n e r a l

It is anode which is used by plating of platinum (Pt) to titanium (Ti) or Niobium (Nb) and it has low consumptionrate and current output is very high thus widely used.

■ S p e c i f ic a t io n o f A n o d e


- Condenser, Heat Exchanger, Heat treatment, etc.


Coat i ngTh i ckness

(m icro- inche s)

Consum pt ionra te

( Kg/A.Yr)

Cur ren t Dens i t y(A/ f t 2)

Electrolytes

100 ~ 300 6×10 -6 50 ~ 300 Salt Water, Fresh Water(Nb)

P b -Ag AN O D E P LATIN UM AN O D E (P t- Ti & P t-N b )

Ag 2.0 ~ 5.0%

Sb 4.5 ~ 7.5%

Pb Remainder

Chem ical Com posi t ion (%)


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- Suitable to facility with unchanging surroundingenvironment and load

(Ex. underground piping and Tank bottom)

- Cost is very low thus possible to reduce initial

investment cost.

- At the time of malfunction repair is very simple.

- Remote monitoring function can be added.

IMPRESSED CURRENT SYSTEMCATHODIC

PROTECTION RECTIFIER

■ G e n e r a l

MMO anode is anode which can be broadly used in field of structures for its use of catalytic anode coated withconductive metal compound where electric current flows upon titanium.

■ S h a p e o f M M O A no d e

■ S p e c i f ic a t io n o f A n o d e


- Reinforced Con’c Structure, Above Ground Tank Bottom, Condenser, Heat Exchanger, etc.

In application of impressed current method, the most commonly used DC power source is the rectifier whichconverts alternating current (AC) to full-wave direct current(DC). It is a DC power supply equipment which is

being used to provide a required current from anode to protected structures through electrolyte. The rectifiers areclassified into a manual and automatic types, depending upon the controlling method of the rectifier to keep theproper protective potential.

Type o f Anode Consu m pt ion

Rate ( Kg /A .Yr )Cur ren t Dens i t y

(A/ f t 2) (Rem ark)

Solid Rod Anode

Tubular Anode

Probe Anode

Expanded Mesh Anode

Ribbon Anode

Wire Anode

1.0×10-6 Max.

1.0×10-6 Max.

1.0×10-6 Max.

Minimum

Minimum

Minimum

10 ~ 50

10 ~ 50

10 ~ 50

0.02

0.005

-

- At each regular cycle operator confirm type potential

value and manually adjust voltage and current in order

to maintain target potential value.

Methodof

control

Specialfeature

- Suitable to facility which has changing surrounding

environment and load.

(Ex. Cooling facility and Intake facility)

- Proper potential is maintained automaticallythus possible to save electricity cost and cost for

maintenance and repair.

- Remote monitoring function can be added.

- For maintaining initially set type potential value suc h

value is feed back by rectifier automatically thus

voltage and current is controlled accordingly.

Methodof

control

Specialfeature

Solid Tubular Probe Mesh Ribbon Wire

M M O (M IXED M ETAL O XID E) AN O D E C ATH O D IC P RO TEC TIO N REC TIFIER

M ANUAL RECTIF IER

AUTOM ATIC RECTIFIER


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REMOTE CONTROLLED

RECTIFIER AND TEST BOX

REMOTE CONTROLLED

RECTIFIER AND TEST BOX

ACCESSORIES

�It transforms operation data of facility and manages it. Thus it carries out comprehensive analysis of the storeddata thus enabling assurance of safety of the facility and its service life.

�By monitoring condition of operation at central control board it is possible to take quick action when any trouble occurs.�Need for field measurement control personnel is eliminated thus labor cost for maintenance and repair can be saved.

�At the time of any trouble with facility it is possible to have effective and rational trouble-shooting throughcomprehensive analysis of stored data.

�There is no need for separate authorization to use radio instruments.�There is no interference with other facility due to electronic waves.

It e m Pro duc t Sp ec ific at io n

Systemstructure

Warningfunction

Monitoringfunction

Rectifier (digital circuit)

Rectifier with internally installed radio modem

Radio system and monitoring program

Under protection & Over ProtectionShortcuiting of anode cable and erroneous wiring

Shortcuiting of electrode cable and erroneous wiring

Output voltage and value of electric current

Operation value of potential

Setting value of potential

Status of operation of rectifier

It e m Pro d uc t sp e c ific at io n

Operationalenvironment

Electronicfeatures

Appearanceand

material

Operation temp. : -20℃ ~ 70℃

Place for installation : Indoors and outdoors

Use voltage : 3.6V (service life of battery 2 years)

Scope of measurement of potential : ± 2.5 V

Tolerance :± 10mV or less

Possible to use to all the electrodes (Zn, Cu/CuSO4, Ag/Agcl, etc.)

Program for remote monitoring rectifier and function foruse of radio facility jointly

Memory function

Size : 207×152×115 mm

Material : aluminium

Remote Controlled Rectifier

Remote Controlled Test Box

Installation of Remote Controlled Test Box

Test Box Weld Metal and Mold Reference Electrode

REFERENCE

ELECTRODE

Wireless Controller

OFFICE ROOM

TEST BOX RECTIFIER

N EED FO R REM O TE M O N ITO RIN G SYSTEM SYSTEM C O M P O SITIO N

REM OTE M ONITORING RECTIFIER

REM OTE MON ITORING TEST BOX

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