填料塔的新传质相关性英文文献和中文翻译(17)

Figure 12。 Comparison of correlation predictions with experimental data for sheet metal structured packings。

(a) Data of Fitz et al。10 for total reﬂux distillation of cyclohexane/n-heptane at 5 psia。 Simulations performed with the NRTL property package。 (b) Data reported by Bennett and Pilling58 for total reﬂux distillation of chlorobenzene/ethylbenzene at 75 torr。 Simulations per- formed with the NRTL property package。 (c) Data of Agrawal et al。11 for the total reﬂux distillation of argon/oxygen at 30 psia。 Simula-

tions performed with the 67

property package。 (d) Data of Shariat and Kunesh57

for total reﬂux distillation of cyclohexane/n-hep-

tane at 5 psia。 Simulations performed with the NRTL property package。 Correlations used in this work: Bravo, Rocha, and Fair 1985 (BRF85),6 Bravo, Rocha, and Fair 1992 (BRF92),7 and Billet and Schultes。5

Figure 13。 Data of Lawal et al。40 for the absorption of CO2 into aqueous MEA (Case 32)。

All simulations performed with Aspen Rate Based Distillation v7。2 using the VPLUG ﬂow model and the ELECNRTL property package。 Cor- relations used in these calculations: Bravo and Fair4 and Onda et al。3

Figure 14。 Data of Gabrielson41 for the absorption of CO2 into aqueous AMP。

All simulations performed with Aspen Rate Based Distillation v7。2 using the VPLUG ﬂow model and the ELECNRTL property package。 Cor- relations used in this work: Bravo, Rocha, and Fair 1985 (BRF85)6 and Bravo, Rocha, and Fair 1992 (BRF92)。7

model。69 The authors40 found that the experimental column temperature proﬁle for Case 32 could not be matched adequately in their simulations using the nominal ﬂue gas ﬂow rate of 0。13 kg/s。 They obtained much closer agreement when the ﬂue gas rate was reduced to 0。11 kg/s。 In our sim- ulations, the ﬂue gas ﬂow rate was reduced from the nomi- nally measured value of 0。13 to 0。11 kg/s。 Three mass-transfer correlations were examined: (1) the correlation of Onda et al。,3

(2) the Bravo and Fair correlation of 1982,4 and (3) the corre-

BRF85 and BRF92 correlations show a much lower CO2 loading than the experimental data。

Shiveler et al。51 have reported performance data on an H2S selective absorber retroﬁtted with MELLAPAKPLUS 252Y sheet metal structured packing。 The absorber employs aqueous methyl-diethanolamine (MDEA) as the absorbent。 The efﬁ- ciency of MELLAPAKPLUS 252Y has been reported to be virtually identical to that of MELLAPAK 250Y。71 The authors reported the absorption selectivity, deﬁned as yCO /yH S, at the

lation for IMTP developed in this article。 Results are summar-

ized in Figure 13。 The calculated temperature proﬁles from all three correlations agree well with the experimentally measured temperature data。 Only the new correlation for IMTP devel- oped in this article matches the temperature proﬁle, the rich amine loading, and the outlet ﬂue gas CO2 concentration simultaneously。

Gabrielson41 has reported data associated with the absorp-

tion of CO2 by an aqueous solution of 2-amino-2-methyl-1- propanol (AMP) in a column equipped with MELLAPAK 250Y。 A typical set of operating conditions is summarized in a brochure produced by Aspen Technology, Inc。70 Using these operating conditions, both the absorber and the stripper were simulated。 Gabrielson’s experimental temperature pro- ﬁle data are shown in Figure 14 along with simulated tem- perature proﬁles for the BRF85 correlation, the BRF92 cor- relation, and the mass-transfer correlation for sheet metal structured packings of this article。 In our simulations, we used the Aspen v7。0 AMP model。70 Each correlation pro- duces an acceptable approximation to the actual temperature proﬁle。 Gabrielson also reported the CO2 outlet concentra- tion, the rich solvent CO2 loading, and the stripper reboiler duty。 We also report these in Figure 14 as outputs from each simulation。 The correlation of this article reproduces accepta- ble approximations for all three quantities。 Results from the 填料塔的新传质相关性英文文献和中文翻译(17):http://www.youerw.com/fanyi/lunwen_81699.html