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Institut Fur Biomedizinische Technik

Norbert L Kirmaier

August K Reis

Meinolf H Schoberl

Helmut Determann

Joachim Thiery

Rolf Haker

Dietrich Kruger

An electrolytic cell of a liquid disinfection device has a housing with an inlet and outlet, and electrodes arranged in transverse planes and surrounding a central supporting element through which electrical leads can be provided. The electrodes can be concentric annular electrodes supported on radial supports, or can be unitary, being punched from sheets with gaps and webs between them.

Electrolytic cell for a disinfection device

In a process for disinfecting water by anodic oxidation in a reactor the volumetric flow rate, current density and contact time are selected so that there is an excess of reaction products having oxidizing power in the water at the exit from the reactor, which gives rise to continued disinfection downstream of the reactor. The process is particularly applicable to water for swimming pools.

Process for disinfecting water

PCT No. PCT/DE78/00024 Sec. 371 Date May 11, 1979 Sec. 102(e) Date May 11, 1979 PCT Filed Sept. 14, 1978 PCT Pub. No. WO79/00145 PCT Pub. Date Mar. 22, 1979 Liquids with a very low conductivity are sterilized by means of anodic oxidation. For the purpose of increasing the conductivity without using chemically soluble additives, a gas which increases the conductivity, in particular CO.sub.2, is fed to the liquid before the anodic oxidation. For the purpose of carrying out the process, a device with an oxidation reactor (1) has a feed line (5), on the inlet side, for the gas to be fed in and a venting means (22) on the outlet side.

Electrolytic process for the sterilization of liquids

A disinfection device has a plurality of electrodes arranged in planes, the electrodes in the planes being conductively connected by conductive and non-conductive carrier elements at their opposite ends. The elements alternate on opposed walls of the housing and fit together by reason of projections and corresponding recesses on the conductive and non-conductive elements. The electrodes may be, in certain embodiments, of expanded metal or sintered metal.

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Aschheim, Germany

Norbert L Kirmaier