Technology evolution

1.

1
EL.1.0.
July 02
TECHNOLOGY EVOLUTION
The first 4 000 A electrolytic pot,
at FROGES in 1889
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
1

2.

2
EL.1.0.
TECHNOLOGY EVOLUTION
9 000 A pot at the Pittsburgh Reduction Company
Niagara Falls plant
July 02
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
2

3.

3
EL.1.0.
July 02
TECHNOLOGY EVOLUTION
9 000 A potline at Auzat in 1912
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
3

4.

4
EL.1.0.
TECHNOLOGY EVOLUTION
15 000 A round pot at the Prémont
« Société d'Electrochimie » plant (in production until 1950)
July 02
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
4

5.

5
EL.1.0.
TECHNOLOGY EVOLUTION
The 22 000 A potline of Sabart, started up in 1929
July 02
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
5

6.

6
EL.1.0.
TECHNOLOGY EVOLUTION
Cross-section of a pot at Saint Jean 1920 - 20 000 A
Taken from « l’Aluminium »published by EYROLLES
July 02
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
6

7.

7
EL.1.0.
July 02
TECHNOLOGY EVOLUTION
22 000 A Söderberg pot with oblique studs
at Rioupéroux (1937)
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
7

8.

8
EL.1.0.
TECHNOLOGY EVOLUTION
33 000 A pots - 1935 - Rioupéroux
Taken from « L’aluminium » published by EYROLLES
July 02
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
8

9.

9
EL.1.0.
TECHNOLOGY EVOLUTION
The first 25 000 A Söderberg pots with vertical studs
at La Praz (1942-1945)
July 02
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
9

10.

10
EL.1.0.
TECHNOLOGY EVOLUTION
Saint Jean pots - 1952 - 100 000 A
Söderberg
Taken from « L’aluminium » published by EYROLLES
July 02
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
10

11.

11
EL.1.0.
TECHNOLOGY EVOLUTION
At Noguères, the last smelter to be built in France
using Söderberg pots (1960)
July 02
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
11

12.

12
EL.1.0.
TECHNOLOGY EVOLUTION
Prebaked anode 125 - 130 000 A pots
(Intalco, 1966)
July 02
AP/LRF/INSTITUT PAUL HEROULT
EL.1.0.
July 02
12