合成氨英语ppt

1、1) History2) Advantages and disadvantagesLe ChateLier(1850-1936)give uprigorous scholarshipF.Haber(1868-1934)Ammonia synthesisprincipleN2+3H22NH3 simple processReaction conditions High temperature High pressure Catalyst N2+3H22NH3 Reversible reactionExothermic reactionVolume reduceMain equipmentGas

2、making equipmentCompressorCopper washSynthesis towerRaw materials Natural gas Naphtha Heavy oil Coal 返回Made from natural gasMade from coalCoal preparationgasificationShift conversionand gas coolingRectisol process for Carbon dioxide removal Nitrogen washAmmonia synthesisSteam boilerand superheaterPo

3、wer generation 14 MWAir separation plantFluegas treatingAsh dewateringClaus sulfur plantAmmonia is the most important source of the NThere are many importantuse of ammonia nitrogen: agriculture - chemical fertilizer;Defense industry, military - the rockets and missiles, explosive propellant; Chemica

4、l organic, inorganic contain N substance; Other - refrigerantsadvantage 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 Am

5、monia 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

6、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

7、manufacture of propellant rocket, missiles, manufacturing explosives TNT raw materialsgrenades When world war ii Liquid ammonia are often used as refrigerantsAmmonia refrigerant compressordisadvantage The excessive use of nitrogen land harden and weaken caused crops production ability; Causes eutrop

8、hication; Waste many shortage resources, fertilizer production consumes approximately 1 million tec, still consumes our 72% of sulfur resources. The success of ammonia, industrial production for explosives, especially TNT manufacture provided a condition, during world war ii, fascist Germany first into its production, leading to the fascist war lasted longer, more people died in the war.Human health Ammonia poisoning severity can happen, or has a toxic pulmonary edema in patients with respiratory distress syndrome, rough cough liquid ammonia or high