Search results
Results from the WOW.Com Content Network
The reaction mixture contains around 23 Vol.-% HCN and 72 Vol.-% H 2 as well as minor quantities of ammonia, nitrogen, and unreacted methane. [2] The gaseous mixture is introduced in a scrubber and treated with an ammonia solution (producing ammonium cyanide) allowing the other gaseous components: H 2, CH 4, and N 2 to pass through. In a second ...
The Haber process, [5] also called the Haber–Bosch process, is the main industrial procedure for the production of ammonia. [ 6 ] [ 7 ] It converts atmospheric nitrogen (N 2 ) to ammonia (NH 3 ) by a reaction with hydrogen (H 2 ) using finely divided iron metal as a catalyst:
Ammonia occurs in nature and has been detected in the interstellar medium. In many countries, it is classified as an extremely hazardous substance. [15] Ammonia is produced biologically in a process called nitrogen fixation, but even more is generated industrially by the Haber process. The process helped revolutionize agriculture by providing ...
A flow diagram for the ammonia process (Finlayson, 2006) is shown in figure 1 below using aspen plus software. The most important result of developing of mathematical model of chemical engineering system is the understanding that is gained what really make the process tick. Mathematical models can be useful in all phase of chemical engineering ...
Ammonia reacts with Berthelot's reagent to form a blue product which is used in a colorimetric method for determining ammonia. The reagent can also be used for determining urea. In this case the enzyme urease is used to catalyze the hydrolysis of urea into carbon dioxide and ammonia. The ammonia is then determined with Berthelot's reagent.
For premium support please call: 800-290-4726 more ways to reach us
The following other wikis use this file: Usage on cs.wikipedia.org Haberův–Boschův proces; Usage on da.wikipedia.org Haber-Bosch-processen; Usage on de.wikipedia.org
The Haber process, [1] also called the Haber–Bosch process, is the main industrial procedure for the production of ammonia. [ 2 ] [ 3 ] It converts atmospheric nitrogen (N 2 ) to ammonia (NH 3 ) by a reaction with hydrogen (H 2 ) using finely divided iron metal as a catalyst: