Plant and process for water purification

Claim 2

A PLANT FOR RECOVERING WATER FOR GENERAL USE FROM CRUDE WATER HAVING ITS NATURAL CONTENT OF OXYGEN AND CARBON DIOXIDE AND CONTAMINATED BY OTHER IMPURITIES WHICH MAY INCLUDE RADIOCATIVE SUBSTANCES, CONPRISING IN COMBINATION A SUCTION CONDUIT ADAPTED TO EXTEND INTO THE CRUDE WATER, AND INCLUDING SIEVE MEANS FOR PREVENTING COARSE IMPURTIES FROM ENTERING THE PLANT; A FILTERING TANK DIRECTLY CONNECTED WITH SAID CONDUIT, AND A MASS OF FERROUS METAL CUTTINGS IN SAID FILTERING TANK; A PUMP, A CONDUIT CONNECTING SAID PUMP WITH SAID FILTERING TANK, AND AN AIR ADMISSION CONTROL VALVE DISPOSED IN SAID CONDUIT, AT A MATERIAL DISTANCE FROM SAID FILTERING TANK; AN OXIDATION TANK PROTECTED FROM ACCESS OF THE AMBIENT AIR, A CONDUIT CONNECTING SAID OXIDATION TANK WITH SAID PUMP AND MEANS FOR REMOVING EXCESS AIR FROM THE WATER AND MEANS FOR DEPOSITION FLOC FROM THE WATER, ARRANGED IN SAID OXIDATION TANK, AND A LAYER FILTER PROTECTED FROM ACCESS OF THE AMBIENT AIR, A CONDUIT CONNECTING SAID OXIDATION TANK WITH SAID LAYER FILTER, SAID LAYER BEING ADAPTED TO RETAIN AND UTILIZE AS AN AUXILIARY FILTERING MEDIUM, THE FINELY DISPERSED FERRIC HYDROXIDE SOL CONTAINED IN THE WATER REACHING SAID LAYER FILTER.

Claim 3

IN A PLANT TO CLAIM 1, SAID OXIDATION TANK, TWO CONCENTRIC CUP-SHAPED CONTAINERS DISPOSED IN SAID TANK AND DEFINING AN OUTER ANNULAR INLET CHAMBER, AN INTERMEDIATE ANNULAR OXIDATION CHAMBER, AND AN INTERIOR SEPARATION AND SEDIMENTATION CHAMBER; SAID INLET CHAMBER HAVING A WATER SUPPLY CONDUIT DISPOSED IN THE BOTTOM OF SAID TANK, AND WATER DISCHARGE CONDUITS IN THE FORM OF OPENING ON THE SIDE AND NEAR THE TOP OF THE OUTER CONTAINER; SAID OXIDATION CHAMBER HAVING ITS WATER SUPPLY CONDUITS IN THE FORM OF SAID OPENINGS, ITS WATER DISCHARGE CONDUIT IN THE FORM OF AN OPENING IN THE BOTTOM OF THE INNER CONTAINER, AND OUTER AND INNER SIDEWALLS CORRUGATED TO SERVE AS TRICLING SURFACES; AND SAID SEPARATION AND SEDIMENTATION CHAMBER HAVING A WATER SUPPLY CONDUIT IN THE FORM OF A VERTICAL RISER EXTENDING UPWARD FROM SAID OPENING IN THE BOTTOM OF THE INNER CONTAINER, A WATER DISCHARGE CONDUIT EXTENDING FROM THE LOWER PORTION OF THE SEPARATION AND SEDIMENTATION CHAMBER UPWARD THROUGH THE TOP OF THE TANK, AN AIR DISCHARGE CONDUIT EXTENDING FROM THE UPPER PORTION OF SAID SEPARATION AND SEDIMENTATION CHAMBER UPWARD THROUGH THE TOP OF SAID TANK, AND A FLOAT VALVE ARRANGED ON AND CONTROLLING SAID AIR DISCHARGE CONDUIT WHEREBY TO MAINTAIN THE WATER IN THE INTERIOR OF SAID SEPARATION AND SEDIMENTATION CHAMBER AT A CONSTANT LEVEL.