Cathode for diaphragm chlor-alkali electrolysis cell

Details Cathode for diaphragm chlor-alkali electrolysis cell Cathode for diaphragm chlor-alkali electrolysis cell

1999-10-06

2000-07-25

Valentine, Donald R.

Coating processes

Electrical product produced

427295, 427435, 204280, 204282, 204293, 204294, B05D 512, B05D 300, C25B 1100, C25B 1104, C25B 1300

Patent

active

060934425

ABSTRACT:
The invention concerns a diaphragm chlor-alkali electrolysis cell comprising a cover, a conductive base for supporting the anodes and a cathode in the form of a box provided with internal wall, external wall and tubular fingers made of a mesh or perforated sheet covered with a porous diaphragm. One or more copper sheets for electric current distribution are fixed to the cathode external walls. The connection between the copper sheets and the cathode external walls is made by means of bolts with the interposition of a conductive and deformable element provided with residual elasticity under compression. The weldings for the assembling of the cathode walls are free from internal stresses.

REFERENCES:
patent: 4078987 (1978-03-01), Specht
patent: 4444640 (1984-04-01), Tsai et al.
patent: 5306410 (1994-04-01), Farmer

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