合成氨英语ppt.ppt

0 1 2 3 4 0 1 2 3 4 1) History 2) Advantages and disadvantages Le ChateLier(1850-1936) give up rigorous scholarship F.Haber(1868-1934) Ammonia synthesis principle N2+3H2≒2NH3 simple process Reaction conditions High temperature High pressure Catalyst N2+3H2≒2NH3 Reversible reaction Exothermic reaction Volume reduce Main equipment Gas making equipment Compressor Copper wash Synthesis tower Raw materials Natural gas Naphtha Heavy oil Coal 返回 Made from natural gas Made from coal Coal preparation gasification Shift conversion and gas cooling Rectisol process for Carbon dioxide removal Nitrogen wash Ammonia synthesis Steam boiler and superheater Power generation 14 MW Air separation plant Fluegas treating Ash dewatering Claus sulfur plant Ammonia is the most important source of the N There are many important use of ammonia nitrogen: agriculture - chemical fertilizer; Defense industry, military - the rockets and missiles, explosive propellant; Chemical – organic, inorganic contain N substance; Other - refrigerants advantage Nfertilization can not only improve agricultural production, but also can improve the quality of agricultural products. Greatly improves grain output, to solve the worlds hunger problem made indelible contribution. agriculture Ammonia is important one of inorganic chemical products in the national economy, occupies an important position. Agriculture is used on nitrogen, except the urea, such as ammonia, ammonium nitrate, LinSuanAn, ammonium chloride and various nitrogen fertilizer are ammonia as raw material to produce 聚酰胺纤维 chemical industry Nitric acid and various containing nitrogen inorganic salt and organic intermediates, trimethoprim-sulfamethoxazole medicine, polyurethane, polyamide fiber and butyl rubber, etc must be directly to ammonia as raw material to produce. 聚 氨 酯 胶 粒 聚氨酯粉末 Defense industry, military Used in the manufacture of propellant rocket, missil