Search results
Results from the WOW.Com Content Network
Ammonia electrolysis may require much less thermodynamic energy than water electrolysis (only 0.06 V in alkaline media). [23] Another option for recovering ammonia from wastewater is to use the mechanics of the ammonia-water thermal absorption cycle. [24] [25] Ammonia can thus be recovered either as a liquid or as ammonium hydroxide. The ...
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 ...
In organic chemistry, ammoxidation is a process for the production of nitriles (R−C≡N) using ammonia (NH 3) and oxygen (O 2). It is sometimes called the SOHIO process, acknowledging that ammoxidation was developed at Standard Oil of Ohio. [1] [2] The usual substrates are alkenes.
The Ostwald process begins with burning ammonia.Ammonia burns in oxygen at temperature about 900 °C (1,650 °F) and pressure up to 8 standard atmospheres (810 kPa) [4] in the presence of a catalyst such as platinum gauze, alloyed with 10% rhodium to increase its strength and nitric oxide yield, platinum metal on fused silica wool, copper or nickel to form nitric oxide (nitrogen(II) oxide) and ...
Its products include anhydrous ammonia, sulfur, sulfuric acid, finished fertilizers, petroleum coke, and nitric acid. [3] The company was established by Ronald Stanton in 1965, [4] and is currently headquartered in New York City. [2] [5] The company has offices in Europe, Asia, North America, South America, Middle East, and South Africa. [6]
It is sometimes called a "dissociated ammonia atmosphere" due to the reaction which generates it: 2 NH 3 → 3 H 2 + N 2. It can also be manufactured by thermal cracking of ammonia, in an ammonia cracker or forming gas generator. [2] Forming gas is used as an atmosphere for processes that need the properties of hydrogen gas.
An ammonia leak at a commercial food preparation facility in Virginia sent 33 people to the hospital, authorities said Thursday. The leak at the Cuisine Solutions plant in Sterling on Wednesday ...
Ammonia solution, also known as ammonia water, ammonium hydroxide, ammoniacal liquor, ammonia liquor, aqua ammonia, aqueous ammonia, or (inaccurately) ammonia, is a solution of ammonia in water. It can be denoted by the symbols NH 3 (aq). Although the name ammonium hydroxide suggests a salt with the composition [NH + 4][OH −