SurTec® 680
Layout of a Chromiting Process
in a Rack Zinc Plating Line with 3 Rinses and Spray Bars

 

Technical Input Data

mass of racks
kg/h

rack material

 

 

treated material
kg/h

 

 

 

drag-out
l/h

 

max. allowed 
chromium content 

g/l

 

 

 

fresh water temperature
°C

fresh water out
of spray bar 0
l/h

chromium content
g/l

 

 

 

temperature
°C

 

 

ambient
temperature
°C

dimension of the der chromiting tanks
m depth/bath level     m width     m length

 

 

waste water model 


Economical Input Data

surface area of the material

 m2/h

for estimation of service life and/or of
the consumption of SurTec 680 K Salt

economical base factor

/h

optional: for calculation of costs on basis
of a different unit (eg. part/h, 10kAh/h, ...)

cost of energy

 €/kWh

thermal energy apprx. 0.03 €/kWh
electrical energy apprx. 0.06 €/kWh

price of SurTec 680

 €/kg

chomiting concentrate


 regeneration concepts


with regeneration:
service life min. 6 month (3600 h)


without regeneration: end of service life
at 12 g/l Zn - might be less because of iron!!

price of SurTec 680 K Salt

 €/kg

correction salt for precipitation of zinc
consumption apprx. 7.5 g je m2 treated surface

price of ion exchange resin
SurTec 680 IAT

 €/l

service life min. 12 month (7200 h)

volume of the IX cartridge

 l

apprx. 50 l SurTec 680 IAT per 1000 l bath