METHOD AND DEVICE FOR DECONTAMINATING WASTE WATER CONTAINING AN NITRITE, ESPECIALLY A NITRITE-CONTAINING WASH

摘要

P THE PROCESS IS TO REACT NITRITE WITH SULFAMIDE ACID (AS) IN THE ACIDIC PH ZONE, WITH FORMATION OF ELEMENTAL NITROGEN AND HYDROGEN SULPHATE (HSO). / P P IN THE REACTOR 1 IS INTRODUCED A SULFAMID ACID STARTING SOLUTION WITH A PH VALUE SUCH AS 5PH2, AND THEN THE NITRITE LAUNDRY IS INJECTED THROUGH A DISTRIBUTOR PIPE 4 IN SEVERAL PLACES 5 BELOW THE LIQUID LEVEL 9, AT THE SAME TIME THAT CRYSTALLINE SULFAMIC ACID IS ADDED ON SURFACE 9, SO THAT THE VALUE OF PH SHOULD BE MAINTAINED AS 5PH2. / P P THE PROCESS ENABLES TO ENSURE CONSTANT EXCERSION OF NHSO IONS, AND TO PREVENT THE FORMATION OF NITROUS GAS. / P