FIELD: modification of ammonia producing plants. SUBSTANCE: proposed method employs successive sections for obtaining synthesis gas, conversion of carbon monoxide, decarbonization, methanization, compression section, ammonia and carbamide synthesis sections, carbamate synthesis section and carbamade decomposition section which are used for obtaining definite amount of diluted carbamate and gas consisting of hydrogen and nitrogen which are fed to respective ammonia and carbamide synthesis sections. Proposed method and plant for realization of this method are based on combination of ammonia and carbamide synthesis in single technological cycle which are connected with carbamate synthesis and decomposition section. EFFECT: increased productivity at simultaneous reduced power requirements with no change in load. 20 cl, 3 dwg, 1 ex
