Chlorine is a very toxic gas that can be produced by the dissolution of sodium chloride in electrolysis. Because of the toxicity of Chlorine it is therefore transported in small quantities, and must not be transported in a larger quantity than 1200m3. The gas carrier carrying chlorine must be type 1G with independent type C tanks. That means the cargo tank must, at the least, lie B/5 "Breadth/5" up to 11,5 meter from the ships side. To transport Chlorine, the requirements of IMO IGC code, chapters 14, 17 and 19 must be fulfilled. Cooling of Chlorine requires indirect cargo cooling plants.

The difference of Chlorine and other gases transported is that Chlorine is not flammable.

Chlorine is utilised in producing chemicals and as bleaching agent in the cellulose industry.



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.

DE NORA CELL

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

DIAPHRAGM CELL

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

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