Process Flow Diagram Nitric Acid
Wilhelm ostwald developed the process and he patented it in 1902.
Process flow diagram nitric acid. Nitric oxide is considered to be a criteria pollutant and nitrous oxide is known to be a global warming gas. Here the shell side flow is ammonia and the tube side flow is low pressure steam. You can find many pfd shapes in the diagram such as tank vessel cooler and various connectors. Process flow diagram for production of nitric acid and ammonium nitrate.
The ostwald process is a chemical process used for making nitric acid hno 3. The nitric acid concentration process consists of feeding strong sulfuric acid and 55 to 65. Robertson phillips and the history of the screwdriver duration. A short video clip illustrating the process of nitric acid production that can be viewed online by students or downloaded for showing in class.
The ostwald process is a mainstay of the modern chemical industry and it provides the main raw material for the most common type of fertilizer production historically and practically the ostwald process is closely associated with the haber process. Nitric acid production process full explanation. Nitric acid is both a strong acid and a strong oxidizing agent nitric acid can dissolve most metals. From chile saltpeter nano3 and h2so4 react to produce nahso4 and hno3 electric oxidation of air n2 and o2 react in the presence of electricity to form no and more o2 produces no2 and then this is mixed with water to produce hno3 2.
Process topology stream information and equipment information. Hno3 manufacturing with process flow diagram 1. History deserves to be remembered recommended for you. The process flow diagram is an essential part of chemical engineering.
It conveys a process and the path of its individual components therefore it is essential to learn how to read and create one. Questions of nitric acid manufacturing ask your question what are the raw materials required for the manufacture of nitric acid by ostwald process. This is a process flow diagram example for a simplified nitric acid process. Ammonia enters the mixer at 80 c and air at 208 c and mixing takes place and heat is exchanged between them and leaves at 180 c.
And oxides of nitrogen no x. Vp online has over 1000 diagram templates available. The process flow diagram is divided into three sections. Flow diagram of high strength nitric acid production from weak nitric acid.