SESSION 1: IMPROVING QUALITY of LIFE PANEL 1.2: Nuclear technologies - - PowerPoint PPT Presentation

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Dec 08, 2022 174 likes •304 views

SESSION 1: IMPROVING QUALITY of LIFE PANEL 1.2: Nuclear technologies in industry, material sciences and beyond Special Adviser, Fluid Flow and Environmental Technology, Institute for Energy Technology (IFE) Tor Bjrnstad is Special Adviser at

SLIDE 1

PANEL 1.2: Nuclear technologies in industry, material sciences and beyond SESSION 1: IMPROVING QUALITY of LIFE

Special Adviser, Fluid Flow and Environmental Technology, Institute for Energy Technology (IFE) Tor Bjørnstad is Special Adviser at the Institute for Energy Technology at Kjeller, Norway and Professor Emeritus in Nuclear Chemistry and Nuclear Physics at the University of Oslo; he has more than 40 years

f experience in basic and applied radiochemistry,

nuclear chemistry and nuclear physics at various universities and research institutions, including CERN in Geneva.

Tor BJØRNSTAD Norway

SLIDE 2

They help us understand processes – we call them tracers

Tor Bjørnstad Institute for Energy Technology (IFE) Kjeller, Norway

H T O H C H H

82Br



O O O O

99mTc

SLIDE 3

Radioactive tracers decay

Time Remaining number of nuclei

100 %

1T1/2 No/2

50 %

2T1/2 No/4

25 %

3T1/2 No/8

12.5 %

4T1/2 No/16

6.25 %

5T1/2 No/32

3.12 %

SLIDE 4

Singing detectives

SLIDE 5

Chemical reaction chamber Heat treatment Final reaction product Feed chemicals = Reactants Gamma detectors

TIME TIME TIME

1. Chemical process systems

SLIDE 6

Tor Bjørnstad

2a. Water expels oil

SLIDE 7

Injection well Production well

Statified reservoir

Preferential flow directions
Horizontal and vertical

communication between wells

Permeability strata
Sweep volumes
Large-scale heterogeneities

7 06/10/2015 Tor Bjørnstad

Volume (or time) Relative concentration

2b. Reservoir description

SLIDE 8

3a.Waves errode coastlines

SLIDE 9

3b.Coastal management: Wave- induced Sediment transport

Radiotracer injection

SLIDE 10

3c. Coastal management: Tracing of

sediment transport

Radiotracer injection

SLIDE 11

4. Monitoring air pollution

SLIDE 12

Final message :

Tracer technology is an indispensible tool in many branches including chemical process technology, mining, civil engineering, environmental examinations and in basic sciences!