Mercury-cathode cell used for production of chlorine and caustic soda by electrolysis of sodium chloride brine.

Related Terms

NELSON DIAPHRAGM CELL

Obsolete carbon-electrode type of electrolytic diaphragm cell once widely used to produce chlorine and caustic soda from brine.

MERCURY-CATHODE CELL

Electrolytic cell used to manufacture chlorine and caustic soda from sodium chloride brine; includes Castner and DeNora cells.

HOOKER DIAPHRAGM CELL

A device used in industry for the electrolysis of brine (sodium chloride) to make chlorine and caustic soda (sodium hydroxide) or caustic potash (potassium hydroxide); saturated purified brine fed around the anode passes through the diaphragm to the cathode; chlorine is formed at the anode and hydrogen released at the cathode, leaving sodium hydroxide and residual sodium chloride in the cell liquor; the diaphragm prevents the products from mixing.

CHLORINATION

A process in which chlorine gas or other chlorine compounds are added to the water for the purpose of disinfecting.

CHLOROFLUOROCARBON

Chemical releasing chlorine atoms that destroy the ozone layer.

ANTICHLOR

A chemical used in the manufacture of paper or textiles to remove excess chlorine or bleaching solution.

CASTNER CELL

A type of mercury cell used in the commercial production of chlorine and sodium.

DEACON PROCESS

A method of chlorine production by passing a hot mixture of gaseous hydrochloric acid with oxygen over a cuprous chloride catalyst.

DIAPHRAGM CELL

An electrolytic cell used to produce sodium hydroxide and chlorine from sodium chloride brine; porous diaphragm separates the anode and cathode compartments.

DOWN'SPROCESS

A method for producing sodium and chlorine from sodium chloride; potassium chloride and fluoride are added to the sodium chloride to reduce the melting point; the fused mixture is electrolyzed, with sodium forming at the cathode and chlorine at the anode.

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