7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

1/70

Copyright 2005, Cortec Corrosion Solutions India Private Limited. All rights

Preservation of Parts, Equipments and Assetsduring Storage, WIP and Shipment using VpCI.

Presented by CR Venatesh, Verte! Corrote"h So#utions at

the CII$Corrosion %anagement Summit

Coimbatore, Sep &', &'()

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

2/70

Corrosion Silent Killer !!

About 75,000 Crores of Rupees are lost

every year in India due to Corrosion

during anufature, s"ipping and

storage

#0 $ of t"ese is avoidable, related to t"e

failure to use t"e best praties andproduts available

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

3/70

Areas %"ere Industry faes

t"e probleStorage

&or'(in()roess

*oesti and +port S"ipent

*uring operation - lay(up of )lant

and +.uipent

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

4/70

/ets fae t"e rut"!

Corrosion an neit"er be stopped nor

prevented!!!

What is the solution?

)rotetion

How?

by S"ielding t"e 1etalfor a pre(defined duration

2nder a given set of Conditions

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

5/70

1et"ods of )rotetion by

S"ielding

1aterial Seletion

3arrier 3ag 4 *esiant

)etroleu based R) ils

Contat In"ibitors su" as epoy and grease

2se of 6apor )"ase Corrosion In"ibitors

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

6/70

6apor()"ase Corrosion

In"ibitors*efinition+

rgani C"eials t"at vaporie

"ese vapors "ave orrosion in"ibiting properties

"ey ondition an enlosed atosp"ere %it" a

protetive vapor t"at ondenses on all etalsurfaes, inluding reessed areas and avities

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

7/70

8o% does 6pCI %or'9

VpCI vapories, ionies and dissolves in the electrolyte !moisture"#hese dissolved ions then see$ the opposite pole o% the metal

#hey &nd them, 'ond (ith them and settle on the metal sur%aceto %orm a thin monomolecular protective &lm on the sur%ace o% )5*20Angstroms th$+igrates through air to condense on metal a(ay %rom it, thusreaches

recessed areas and cavities 'y itsel%or$s in the li-uid, gaseous and interphase * *

/nlarged vie( o% metalsur%ace

1etal

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

8/70

&--&

VpCI mo#e"u#e

%eta#VpCI

&S

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

9/70

/ig"t 3lue: oygen oleules

*ar' 3lue: %ater oleules

3la': 6pCI

1etal

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

10/70

MetalMetal

WaterOxygenContaminants

VpCI VpCI VpCI VpCI VpCI

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

11/70

*ifferent Carriers used for

li.uid produts

Solvent ( *ry ;il

&ater ( *ry ;il

il ( &et ;il

Carrier does not protet etal< It only

transports t"e in"ibitor to t"e etalIntegrated Solution?

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

42/70

Coooning t"e e.uipent

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

43/70

;e% ore eaples of oooning

i d d bl - C bl

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

44/70

3iodegradable - Copostable

fil %it" - %it"out in"ibitor

il based orrosion

7/25/2019 Cortec India NACE- SZ and CII Sept, 2014

45/70

il based orrosion

in"ibitor onentrates Additive to lubriants, utting oils and

"ydrauli, staping and dra%ing oils

;or gear boes, differentials, engines and e.uipent internals,lubriating and "ydrauli oil systes, et