Hethe integration ofCOG methanation inin ironmaking with oxy-fuel combustion and TGRHethe integration ofCOG methanation inin

Hethe integration ofCOG methanation inin ironmaking with oxy-fuel combustion and TGR
Hethe integration ofCOG methanation inin ironmaking with oxy-fuel combustion and TGR (Case two). 4. Block diagram of of integration of COG methanation ironmaking with oxy-fuel combustion and TGR (Case two).3. In summary, when it comes to developed gas utilization, Case 1 recycled BFG towards the methanaMethodologytor plus the modelling assumptions widespread for the analyses of Cases 0 plant ideas in- and SNG for the BF, when Case 2 recycled both BFG and COG towards the methanator cluded steady-state situations, perfect gases, and adiabatic reactions. Additional case-specific SNG towards the BF.assumptions are documented in Section three.1. The modelling methodology is depending on overall mass balance (Equation (3)) and en3. Methodology ergy balance (Equation (4)) in steady state, applied to each and every gear in Case 0, Case 1, The modelling assumptions MNITMT Protocol prevalent to the analyses of Circumstances 0 plant ideas and Case 2 plant layouts (Figures two).integrated steady-state circumstances, ideal gases, and adiabatic reactions. Further case-specific assumptions are documented in 0 = Section 3.1. – (3) The modelling methodology is according to all round mass balance (Equation (three)) and power balance (Equation (four)) in steady state, applied to every single gear in Case 0, Case 1, 0 = – + – (4) and Case 2 plant layouts (Figures 2).where m would be the mass flow, h the precise enthalpy, W the network, and Q the net heat trans0 = (five), where fer. Enthalpy can be written as Equation mi – mo is the enthalpy of formation at the reference temperature and is the temperature-dependent specific heat.(3) (four)0 = Q – W + mi hi – m o h o= +, exactly where m will be the mass flow, h the specific enthalpy, W the network, and Q the net heat (five) transfer. Enthalpy may be written as Equation (five), exactly where f h Tre f will be the enthalpy of formation in the When essential, information is the literature had been used. The particular assumptions for the reference temperature and cfromthe temperature-dependent specific heat. psubsystems (ironmaking, power plant, and power-to-gas) are described within the following subsections. T T three.1. Iron and Steel Planth i = f h ire f+Tre fc p,i dT(5)For When Case 0, inside the ironmaking method (BF), as an alternative of fixingspecific assumptionsof the important, data from the literature have been utilised. The the input mass flows for iron ore (Stream 1, Figure two), coal (Stream 11, Figure 2), and hot blast (Stream 20, Figure 2), subsystems (ironmaking, energy plant, and power-to-gas) are described within the following we calculated them from the mass balance by assuming a final composition with the steel and subsections. the BFG, taken from [17] and [3], respectively. The mass fraction of iron was set at 96 in pig iron and 99.7 in steel, with carbon because the remaining element (other components such as3.1. Iron and Steel PlantFor Case 0, within the ironmaking method (BF), as an alternative of 3-Chloro-5-hydroxybenzoic acid custom synthesis fixing the input mass flows of iron ore (Stream 1, Figure 2), coal (Stream 11, Figure two), and hot blast (Stream 20, Figure 2), we calculated them from the mass balance by assuming a final composition from the steel plus the BFG, taken from [17] and [3], respectively. The mass fraction of iron was set at 96 inEnergies 2021, 14,7 ofpig iron and 99.7 in steel, with carbon as the remaining component (other elements including Si or Mn had been neglected) [17]. The mole fraction in the BFG was fixed as outlined by data from [3] in Table 1. The mass flows of the pig iron (Stream 31, Figure two), BFG (Stream 26, Figure 2), and slag (Stream 27, Figure 2) have been also calculated within the BF’s mass and ene.