Diaphragm cell chlorine production

Claim 1

AN ELECTROLYTIC CELL TO PRODUCE CHLORINE AND AN ALKALI METAL HYDROXIDE COMPRISING AN ANODE COMPARTMENE ADAPTED TO CONTAIN AN ANOLYTE CONTAINING AN ALKALI METAL CHLORIDE; A CATHODE COMPARTMENT ADAPTED TO CONTAIN A CHATOLYTE CONTAINING AN ALKALI METAL HYDROXIDE, SAID CATHODE COMPARTMENT BEING SPACED APART FROM SAID ANODE COMPARTMENT BY A CATION EXCHANGE DIAPHRAGM; A CATION EXCHANGE DIAPHRAGM SUITED TO PASS ALKALI METAL IONS FROM SAID ANODE COMPARTMENT TO SAID CATHODE COMPARTMENT, SAID DIAPHRAGM ADAPTED TO SEPARATE SAID ANODE COMPARTMENT FROM SAID CATHODE COMPARTMENT; AN ANODE POSITIONED IN SAID ANODE COMPARTMENT; A CATHODE POSITIONED IN SAID CATHODE COMPARTMENT AND SPACED APART FROM SAID DIAPHRAGM, SAID CATHODE HAVING A WALL PORTION ADAPTED TO BE IN CONTACT WITH THE CATHOLYTE AND ANOTHER WALL PORTION SUBSTANTIALLY SIMULTANEOUSLY ADAPTED TO BE IN CONTACT WITH AN OXIDIZING GAS; AN OXIDIZING GAS COMPARTMENT AT LEAST PARTIALLY DEFINED BY A SURFACE PORTION OF SAID CATHODE AND ADAPTED TO CONTAIN AN OXIDIZING GAS; A MEANS TO CONTROL THE MOISTURE CONTENT OF THE OXIDIZING GAS IN COMBINATION WITH AN OXIDIZING GAS SUPPLY MEANS AND SAID CATHODE; A MEANS TO CIRCULATE THE CATHOLYTE AT LEAST WITHIN SAID CATHODE COMPARTMENT IN COMBINATION WITH SAID CATHODE COMPARTMENT; A MEANS TO CONTROL AT LEAST THE ALKALI METAL ION CONCENTRATION OF THE ANOLYTE; A MEANS TO CONTROL THE ALKALI METAL HYDROXIDE CONCENTRATION OF THE CATHOLYTE; A CATHOLYTE HEAD CONTROL MEANS ADAPTED TO MAINTAIN THE CATHOLYTE UPPER SURFACE LEVEL AT LEAST EQUAL TO THE ANOLYTE UPPER SURFACE LEVEL; A MEANS TO REMOVE THE CHLORINE FROM SAID ANODE COMPARTMENT; A MEANS TO REMOVE THE ALKALI METAL HYDROXIDE FROM SAID CATHODE COMPARTMENT; AND A MEANS TO SUPPLY ELECTRICAL ENERGY TO SAID ANODE AND SAID CATHODE.