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MARINECO Informe resumido

Project ID: ICA2-CT-2000-10049
Financiado con arreglo a: FP5-INCO 2
País: Russia

Advantages verification of seawater electrolysis technique

The formation of an adequate physical-mathematical model of sea water electrolysis requires basis in theory together with some experimental investigations. The experimental investigations of sea water electrolysis resulting in hydrogen as its main production target and some associated substances were carried out in a single-cell laboratory model of a flow-through, cation-exchange diaphragm type.

The study implemented enables to conclude the following:
- A sea water electrolysis procedure can be technically performed, rather effective and promising for the production of hydrogen as a target.

- Anode evolving chlorine can be utilized and returned into the environment as a clean product. The utilization of chlorine is reasonable to perform absorbing it by the solution of alkali or alkaline catholyte.

Apart from the essential electrolysis products (hydrogen and oxygen), in the course of sea water electrolysis one can produce, a diversity of sub-products such as hydroxides of alkali metals, in particular, a magnesium hydroxide from catholyte as well as sulfuric and hydrochloric acids from anolyte that is an additional advantage of the sea water electrolysis process.

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