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Diesel exhaust fluid (DEF; also known as AUS 32 and marketed as AdBlue[3]) is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water. DEF is consumed in a selective catalytic reduction (SCR) that lowers the concentration of ...
The structure of the molecule of urea is O=C(−NH 2) 2.The urea molecule is planar when in a solid crystal because of sp 2 hybridization of the N orbitals. [8] [9] It is non-planar with C 2 symmetry when in the gas phase [10] or in aqueous solution, [9] with C–N–H and H–N–H bond angles that are intermediate between the trigonal planar angle of 120° and the tetrahedral angle of 109.5°.
US$2.897 billion (2020) [1] Number of employees. 3,016 [2] (2020) Website. www.cfindustries.com. CF Industries Holdings, Inc. is an American manufacturer and distributor of agricultural fertilizers, including ammonia, urea, and ammonium nitrate products. The company is based in Deerfield, Illinois, a suburb of Chicago, [3] and was founded in ...
Selective catalytic reduction. CATALYTIC REDUCTION. Selective catalytic reduction (SCR) means of converting nitrogen oxides, also referred to as NO. x with the aid of a catalyst into diatomic nitrogen (N. 2), and water (H. 2O). A reductant, typically anhydrous ammonia (NH. 3), aqueous ammonia (NH. 4OH), or a urea (CO (NH.
Coffeyville Resources. Coffeyville Resources, formerly known as the COOP Refinery, is a company which owns an oil refinery in Coffeyville, Kansas, United States. The refinery is owned and operated by Coffeyville Resources Refining & Marketing. The refinery employs about 500 people and produces approximately 2,100,000 US gallons (7,900,000 L) of ...
Website. www.iffco.in. Indian Farmers Fertiliser Cooperative Limited, also known as IFFCO, is a multi-state cooperative society engaged in the manufacture and marketing of fertiliser. IFFCO is headquartered in New Delhi, India. Started in 1967 with 57 member cooperatives, it is today the biggest co-operative in the world by turnover on GDP per ...
Urea. Although urea has a number of industrial uses, these are dwarfed by the scale of its use as a nitrogen fertilizer.Urea has the highest nitrogen content (46 wt-%) of all the recognized solid nitrogen fertilizer materials and, from the early 1950s onwards, its use has continually increased, progressively displacing both ammonium sulphate, which was formerly the dominant product, and a ...
Fauji Fertilizer Company Limited (FFC) was incorporated in 1978 as a joint venture between Fauji Foundation (a leading charitable trust in Pakistan) and Haldor Topsoe of Denmark. The first urea complex was commissioned in 1982 in Sadiqabad, Punjab. To keep up with the Urea demand in the country, a second plant was built at the same location in ...
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