efficiency for industry Kuriverter IK-110 New patented technology of Biocide

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H2O

H2O

RO membrane

Permeate

Feed

If fouling would happened ・・・

H2O H2O

Fouling

Increase of the pressure energy

Decrease of Peｒmeate

Fouling Pressure

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KURITA’s RO chemical line-up

Pretreat-ment agent

KURIVERTER

BP-201

EP-301

Cleaning agent

KURIDINE

M-280

M-301

M-310

Slime control agent

KURIVERTER

IK-110

EC-503

Rejuvena-tion agent

KURIVERTER

RC-200

RC-300

Anti-scalant

KURIVERTER

N series

Selection software

Original technology

Fouling Deterioration

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Peeling off the slime ability NSF certified online slime control agent No damage to membrane

EC-503 IK-110

RO membrane

Comparison with conventional chemical

Conventional product New slime control agent

Disinfection effect Peeling off effect

RO membrane

Eff

ect

Slime Control Agent

While hypochlorous acid reduces the activity of the slime layer surface, IK-110 also reduces the activity inside of a slime layer. > > > ■Red - Active microbe ■Blue - Passive microbe Procurement of a sample: Methylobacterium hispanicum Medicine concentration: 10mgCl2/L Contact time: 3h (room temperature and keep stable) The dyeing method: DAPI (blue), CTC (red) Measuring device: BIOREVO BZ-9000 (made by KEYENCE)

Comparison with conventional chemical

Slime Control Agent

Blank NaClO

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Before dosing IK-110, Delta-P was increasing

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0 30 60 90 120 150 180 210 240 270 300

Operation Time （day）

Del

ta-P

(M

Pa)

RO membrane cleaning

Peel-off Ability of IK-110

Slime Control Agent

After dosing IK-110, Delta-P was decreasing

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0 30 60 90 120 150 180 210 240 270 300

Operation Time （day）

Del

ta-P

(M

Pa)

IK-110 dosing start

RO membrane cleaning

Peel-off Ability of IK-110

Slime Control Agent

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With IK-110 dosing (without cleaning for 7 months)

(3years after replacement)

Without IK-110 dosing (without cleaning for 2 months)

(3years after replacement)

Peel-off Ability of IK-110

Slime Control Agent

09/07/2015 10

0

100

200

300

400

500

600

700

Before IK-110

After IK-110

k€

/y

ea

r

Ex. Cost Comparison

Chemical Treatment Cost

RO Membrane Cost

CIP Cost

Cost benefit of IK-110

Slime Control Agent

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