DReeM Polymer™ is Kurita’s awarded Polymer Technology specifically designed for steam generators and boiler systems to avoid scale formation and to remove silica and hardness scale from system surfaces during normal operation. DReeM Polymer™ is up to 4 times more efficient than conventional polymers and reduces operational costs by increasing system efficiency and lifetime. For this outstanding properties, Kurita’s DReeM Polymer™ has been awarded at the 49th JCIA Technology Award hosted by the Japan Chemical Industry Association (JCIA) with the Environmental Technology Award as an outstanding technology with remarkable reductions in environmental impact.

1. efficiency for industry
Awarded Polymer for Steam Generators
and Boiler Systems – DReeM Polymer™
January 2018

2. 2
DReeM Polymer™ Key Features
• Controls and removes silica and hardness scale in low pressure
boilers during normal operation
• Removes existing silica and hardness scale from boiler surfaces
up to 4 times more efficient than conventional polymers
• Is a ready to use liquid product which is intended to be dosed
additionally to the current treatment concept
• Reduces operational costs by increasing system efficiency and
lifetime
• Complies with FDA § 173.310 for application in food industry
Kurita’s DReeM Polymer™ has been awarded at the 49th JCIA Technology Award hosted by the Japan
Chemical Industry Association (JCIA) with the Environmental Technology Award as outstanding technology
with remarkable reductions in environmental impact.
Dispersion Removal effects Management (DReeM) Polymer™:

3. 3
Why Silica & Scale Control is Important ?
Energy losses related to deposit composition
Scale and silica control is
important to minimize
energy and maintenance
costs
Source: National Institute of Standards and Technology

4. 4
Laboratory Performance Studies of DReeM Polymer™
Scale Removal Effect 1 – Beaker Test
Procedure
First Step
1. Generate artificial scale on heat transfer test tube
2. Scale thickness 0.5 – 1.0 mm
Second Step
3. Addition of polymer
4. Heating and stirring for 20 min.
5. Softened water at pH 11.5, 80 °C
Scale on test tube after preparation

5. 5
Laboratory Performance Studies of DReeM Polymer™
Scale Removal Effect 1 – Beaker Test
DReeM Polymer™ Conventional Polymer
Test tube
after 20 min
Solution
after 20 min
Remark
• Dispersing and dissolving of
scale
• Clear solution
• Scale remained on tube
surface
• Turbid solution with scale

6. 6
Laboratory Performance Studies of DReeM Polymer™
Scale Removal Effect 2 – Pilot Boiler Test
Procedure
Equipment: Test Boiler, 21 bars, COC = 10
1. Add hardness to create scale on heated tube
surface (21 hours)
2. Add polymer under normal operation (66 hours)
3. Compare amount of remaining scale on heated
tube surface
Scale composition
69%
25%
3%
2% 1%
Ca
Si
Fe
Mg
other

7. 7
Laboratory Performance Studies of DReeM Polymer™
Scale Removal Effect 2 – Pilot Boiler Test
1
4.2
0
1
2
3
4
5
Conventional Polymer DReeM Polymer™
Relativescaleremovingperformance

8. 8
DReeM Polymer™ Case Study 2
• Type of Industry: Wood Industry
• Type of Boiler: Shell Boiler
• Make-up water: Softened water
• Former treatment:
• Traditional treatment concept with phosphates and conventional polymer

9. 9
DReeM Polymer™ Case Study 2
Conventional Treatment Dreem Polymer™
Before – Scale adhesion After 2 months
Significant scale removal

10. 10
DReeM Polymer™ Case Study 3
One of the leading producers of stainless steel long products in the world
First European producer of engine valve steels
• Type of Industry: Steel Industry, Italy
• Type of Boiler: Shell Boiler
• Make-up water: RO water
• Pressure: 12 bar
• Steam production: 5 t/h
• Former treatment: DEHA, Alkalizing Amines, Phosphate
• Inspection of boiler in 2015: Thin layer of incrustation of carbonates and silica
• Root cause: Heat exchanger leakage in condensate line

11. • Comparison of water
parameters before and during
the application of DReeM
Polymer™
• Dosage of DReeM Polymer™ at
20 ppm on feedwater in
combination with Cetamine®
started in October 2015
11
DReeM Polymer™ Case Study 3
Impressive removal of silica and hardness from boiler into water phase
Start of DReeM Polymer™ Treatment

12. 12
DReeM Polymer™ Case Study 3
Conventional Treatment Dreem Polymer™
Before – Scale adhesion After 8 months
Significant scale removal

13. 13
How to apply DReeM Polymer™
DReeM Polymer™ Target Applications
• Softened make-up water quality
• Mailfunctioning of softener
• High hardness & silica content
• Removal of hardness & silica scale (online cleaning)
• Shell boiler and water-tube boilers up to 20 bar
• Spiral once-through boilers
• All types of industry (incl. food industry)

14. 14
DReeM Polymer ™
Applic ation
additionally t o
ex is ting treatment
t o avoid and
remov e hardnes s
and s ilic a from
s y s tem s urfac es
DReeM Polymer™ Product Range
Cetamine ® G 8 1 8
Cetamine ® +
DReeM Poly mer™
Applic ation in
food industr y
t o av oid and
remov e hardnes s
and s ilic a from
s y s tem s urfac es
Cetamine ® G 8 1 2
Cetamine ® +
DReeM Poly mer™
Applic ation in
industr ial boiler s
t o av oid and
remove hardness
and s ilic a from
s y s tem s urfac es

15. 15
DReeM Polymer™ References
• More than 400 applications in Asia Pacific
• Already more than 50 applications in Europe
• Steam production rates from 0.5 to 160 t/h
• Water-tube and shell boilers up to 20 bars
• Diverse industries: textile, food, hospitals,
pulp & paper, etc.

16. 16
WATCH OUR VIDEO
Learn more about the benefits of
DReeM Polymer™
DReeM Polymer™ – YouTube Video

17. 17
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