id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-9878		cet-9878		6	.pdf	application/pdf	3104	139	51	Simulation Results (Design Case) Simulation Results (Present Case) DGR inlet temperature 390oC 390oC 390oC DGR outlet temperature/ PRF inlet temperature 380oC 370oC 370oC PRF inlet temperature 380oC 380oC 380oC PRF outlet temperature/ SRF inlet temperature 809oC 810oC 811 SRF outlet temperature 939oC 957oC 962 SRF CH4 gas composition 0.3% 0.8438% 0.748% SRF CO gas composition 13% 12.94% 12.84% HTS inlet temperature 350oC 350oC 350oC HTS outlet temperature 416oC 423oC 423oC HTS CO gas composition 3% 2.99% 2.91% LTS inlet temperature 207oC 207oC 207oC LTS outlet temperature 225oC 225oC 225oC LTS CO gas composition 0.3% 0.29% 0.279% Methanator inlet temperature 320oC 320oC 320oC Methanator outlet temperature 351oC 351oC 351oC Methanator composition 0%CO and 0%CO2, 0.96% CH4 0%CO and 0%CO2, 0.0.88% CH4 Inlet gas H2/N2 ratio ammonia converter 2.78 2.74 Ammonia recycled from separator (Assumed) 16.24% 16.24% Ammonia converter inlet temperature 313.7oC 313.7oC 313.7oC Ammonia converter outlet temperature 370oC 370oC 370oC Ammonia converter NH3 composition 40.34% NH3 40.53% 676 Table 3: Comparisons of different plant production scenarios due to different NG composition (Jahngir,2000) Composition ZFCL CUFL PUFF NGFF PRF inlet SRF outlet PRF inlet SRF outlet PRF inlet SRF outlet PRF inlet SRF outlet CH4 98.24% 0.3 90.64 0.25 99.5 0.3 95 0.7 C2H6 1.44 0 3.26 0 0 0 3.1 0 C3H8 0.01 0 0.77 0 0 0 0.7 0 C4H10 0 0 0.57 0 0 0 0.2 0 Figure 1: AFCCL ammonia process plant within Aspen Plus 2.1 Process description Raw materials for the AFCL ammonia plant are natural gas, process air and H2O. NG from Titas and Hobgonj is passed through a knockout drum, filtration unit pre-heater and divides into two steams- fuel and process NG.	cache/cet-9878.pdf	txt/cet-9878.txt