PARANYMPHS - Universiteit Twente€¦ · RAMAN-MICROFLUIDICS 200 300 400 500 600 700 800 900 1000...

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PARANYMPHS

DR. GUUS VAN DALUM DR. YOONSUN YANG

CRYSTALLIZATION

MINERAL SCALE IN INDUSTRY

NUCLEATION AND CRYSTAL GROWTH

SOLUTION SATURATED WITH IONS

CRYSTAL GROWTHSURFACE

Nanometersize

NUCLEATION

POLYMER FILMS

NANOMETER THIN POLYMER FILMS: POLYSULFONE POLYSTYRENE POLY(P-PHENYLENE OXIDE)

CRYSTAL GROWTH RATE IN SITU

MICROFLUIDIC DEVICE

RAMAN-MICROFLUIDICS

200 300 400 500 600 700 800 900 1000 1100 1200 1300 14000

200

400

600

800

1000

1200

280 711

Inte

nsity

Raman shift [1/cm]

1085

INHIBITOR INFLUENCE ON CRYSTAL GROWTH

Inhibitor: carboxymethyl inulin

Time lapse images of crystal growth

NUCLEATION RATE – DOUBLE PULSE

Nucleation quenched

t1 t2 t3

Nucleation

Crystal growth

Kinetic profile of mineralization solution