| abstract |
METHOD FOR GETTING SODIUM CHROMATE by oxidative roasting of a charge consisting of carbon ferrochrome, soda and a filler, followed by leaching of the cake and separating the sludge from the solution of the target product, in order to reduce the amount of sludge and increase the yield of the product as a filler use separated from the solution of the target product sludge and the original products are used in a mass ratio of chromium ferrochrome, soda and filler, equal to |