METHOD OF PRODUCING GYPSUM SOLUTION FOR FORMING GYPSUM ARTICLES AND METHOD OF MAKING GYPSUM ARTICLE Russian patent published in 2020 - IPC C04B28/14 C04B18/16 E04C2/02 

FIELD: chemistry.

SUBSTANCE: group of inventions relates to a method of producing a gypsum solution for making gypsum articles, a method of making a gypsum article, a gypsum solution for making gypsum articles, a gypsum article and a system for making gypsum articles. Method of producing gypsum solution for making gypsum articles, in particular gypsum board, preferably gypsum board, is as follows: a) providing a gypsum paper product containing gypsum and a paper component, in particular a gypsum-paper board and/or its broken parts; b) wet grinding of the gypsum paper product and/or its broken parts containing the paper component to produce a wet-stocked gypsum paper component. Method further includes mixing the gypsum paper component with the plaster. Method of making the gypsum article is that the wet mass of the gypsum paper product is not annealed.

EFFECT: technical result consists in efficient and simple recycling of gypsum paper products or parts thereof.

13 cl, 1 dwg