氨碱法制纯碱详解共60页

氨碱法制碱工艺流程讲解英文回答：Ammonia soda process, also known as the Solvay process, is a method used to produce soda ash (sodium carbonate) from salt (sodium chloride) and limestone (calcium carbonate). The process involves several steps and utilizes ammonia as a key reagent.The first step in the ammonia soda process is the preparation of brine solution. This is done by dissolving salt in water to form a concentrated salt solution. The brine solution is then purified to remove impurities such as calcium and magnesium ions.Next, the purified brine solution is treated with ammonia gas. The ammonia reacts with the dissolved calcium and magnesium ions to form insoluble precipitates, which are then separated from the solution. This step is known as the lime-soda reaction.The resulting solution, which contains sodium chloride and ammonia, is then carbonated. Carbon dioxide gas is passed through the solution, causing sodium bicarbonate to precipitate out. The sodium bicarbonate is then heated to produce soda ash and carbon dioxide gas.The carbon dioxide gas produced in the previous step is recycled back into the process. It is reacted with ammonia to produce ammonium bicarbonate, which is then decomposed to release carbon dioxide gas and ammonia. The ammonia is then reused in the lime-soda reaction.The soda ash produced in the ammonia soda process is used in various industries, such as glass manufacturing, detergent production, and water treatment. It is an important industrial chemical with a wide range of applications.中文回答：氨碱法制碱工艺是一种从盐和石灰石中生产苏打灰（碳酸钠）的方法，也被称为索尔维法。