Process flow diagram of an ammonia plant as a complex network. AICHE JOURNAL. 2007, 53(2): 423-428.Z.Q. Jiang, W.X. Zhou, B. Xu, and W.K. Yuan. Process flow diagram of an ammonia plant as a complex network. AIChE Journal, 53(2):423-428, 2007....
Process for the production of ammonia from a hydrocarbon feedstock all steam produced in the waste heat boilers of the reforming and ammonia section of the plant is superheated in one or more steam su
Ammonia process intensification Distributed ammonia production Energy vector Sustainable process design 1. Introduction The environmental and social challenges we are experiencing today impose the rethinking of the global development model. In the last years, the traditional linear economy system, which follow...
A process and unit (10) for the recovery of ammonia in ammonia production are disclosed. All or a portion of a high pressure liquid ammonia product stream (36) is introduced into a syngas makeup strea
of urea. The invention is described with reference to a functional block diagram (not shown) indicating the flow of urea from a concentration to the ammonia injection reactor, thence to the pressure holding section and finally to the stripping section. 展开 ...
Flash Zone Optimization of Benzene-Toluene-Xylene :苯甲苯二甲苯闪蒸区,优化 热度: [论文]歧化法生产对二甲苯工艺中甲苯歧化工段Aspen Plus模拟优化 热度: Optimization of ammonia production from urea in continuous process using ASPEN Plus and computational fluid dynamics study of the reactor used for...
Fresh ammonia may be added to the ammonia separated in step (i) for use in the decomposition stage (ii) (b). The process is illustrated by reference to a diagram of a flow scheme (not shown). 展开 收藏 引用 批量引用 报错 分享
It is usually done at 1100 °C for 5 minutes in 650 torr of ammonia in the presence of a 250 Å oxide grown using a wet RTO process. The ONED effect reduces the time/temperature needed to form the well profiles with the desired junction depths. It is essential that the RTP/ONED ...
Sweetening processes involve the removal of H2S and mercaptans from refinery streams. Amines have a functional group that contains nitrogen. Primary amines arise when one of the three hydrogen atoms in ammonia is replaced by an organic substituent. Secondary amines have two organic substituents bound...
Linchwaite, “Prereforming: Based on higher activity catalyst to meet market demands”, Ammonia Technical Manual, Kvaerner Process Technology Ltd, 2000. T. S. Christensen, “Adiabatic Prereforming of Hydrocarbons—An Important Step in Syngas Production,” Appl. Catal. A: General 138 (1996) 285...