Project Assignment
Part-Desalination System and Thermal Degasification, Knoll AG, Ludwigshafen

Contractor
Knoll AG Ludwigshafen
BASF- Pharma


ECH Services
Concept study
Authorization planning
Implementation planning
Compilation of performance index for:
      Machine technology
      Electric and control technology
      Construction management
Drawing up request specifications
Bid comparison
Award assistance
Construction supervision

Processing Time
May 1998 thru February 2000

Starting Situation
A hand operable one-line desalination system was being used for the processing of the boiler feed water. The
thermal degasification system, the waste water processing system and the boiler feed pumps were no longer
up to date.
The boiler house was changed over to 72 hours of non-supervised operations. This lead to the decision to
plan and install a modern water processing system with thermal degasification and waste water treatment.
The economical aspect was taken into consideration in choosing between two alternatives: a complete
desalination system, or a part-desalination system with reverse osmosis.

Result
From city water, part desalinated water is generated, having a conductivity of approximately 60 µS/cm.
Warmed-up simultaneously with the condensates from the lye remover and exhaust condenser, this supple-
ment water is fed to the degasification system. The part-desalination takes place with ion exchanger.
The waste water from the boiler house and the regenerated water is neutralized in a neutralization system.

Facts and Figures
Equipment configuration:
De-carbonizing system as twin system (2 x 20 m³/h)
CO2- Sprinkler
Softening system as twin system (2 x 20 m³/h)
Thermal degasification system (40 m³/h) with feed water vessel (30 m³) and 8 boiler feeding pumps for
     supplying 4  steam generating companies
Condensate sump (20m³) with condensate pumps.
HCl- storage and day vessels
Complete automatic control
Operation and observation monitor

< back