Process for making sodium chlorate

Claim 1

IN A PROCESS FOR MAKING SODIUM CHLORATE BY THE ELECTROLYSIS UNDER NORMAL ATMOSPHERIC PRESSURES AND AT A TEMPERATURE OF ABOUT 45*C., OF AN AQUEOUS SOLUTION CONTAINING SODIUM CHLORIDE AND A SMALL AMOUNT OF SODIUM CHROMATE, THE STEPS CONSISTING OF CONTINUOUSLY WITHDRAWING ELECTROLYTE FROM AN ELECTROLYTIC CELL, CONTINUOUSLY PASSING INTO THE SAID ELECTROLYTIC CELL AN ELECTROLYTE CONSISTING OF THE MOTHER LIQUOR FROM SAID WITHDRAWN ELECTROLYTE AFTER COOLING TO REMOVE THE EXCESS SODIUM CHLORATE AND CONTAINING NOT LESS THAN 75 GRAMS PER LITER OF SODIUM CHLORIDE ALONG WITH NOT LESS THAN ABOUT 400 GRAMS OF SODIUM CHLORATE PER LITER, SAID ELECTROLYTE HAVING A PH VALUE OF ABOUT 6.1, AND ELECTROLYZING THE SAID CIRCULATING ELECTROLYTE BETWEEN IMMERSED CARBON AND IRON ELECTRODES UNDER CURRENT DENSITY AND VOLTAGE CONDITIONS ADAPTED TO PRODUCE ADDITIONAL SODIUM CHLORATE.