Experimental Study of N2 Impurity Effect on the Steady and Unsteady CO2 Pipeline Flow

Cho, Meang-Ik; Huh, Cheol; Jung, Jung-Yeul; Kang, Seong-Gil

doi:10.1016/j.egypro.2013.06.190

Cited by 7 publications

(5 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It was also observed that the increase in CO 2 bubble point pressure decreased with increasing temperature. The findings from these experimental measurements agree with those reported in the literature 10,13,17–22 …”

Section: Resultssupporting

confidence: 91%

“…The findings from these experimental measurements agree with those reported in the literature. 10,13,[17][18][19][20][21][22] Regarding the model predictions, both the MFHEA and PR models predicted the system closely in comparison with the experimental data as shown in Table 13 and Fig. 5.…”

Section: Co 2 -N 2 Systemmentioning

confidence: 89%

“…Cho et al. 17 designed and developed an experimental tool for modelling CO 2 –N 2 mixture transportation in flowline. The apparatus developed consisted of a high‐pressure compression section, liquefaction section, mixing section, cooling module and transport test section.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effects of non‐condensable CCUS impurities (CH₄, O₂, Ar and N₂) on the saturation properties (bubble points) of CO₂‐rich binary systems at low temperatures (228.15–273.15 K)

Okoro,

Chapoy,

Ahmadi

et al. 2023

Greenhouse Gases

View full text Add to dashboard Cite

The present work investigated the effects of some non‐condensable impurities (i.e., N2, O2, CH4, and Ar) on the phase behaviour of CO2‐rich systems at low temperature conditions (228.15–273.15 K). The study focused on bubble point measurements of CO2‐rich systems using the isothermal (pressure–volume) method at different mole fractions of CO2 (99.5%–95%). The obtained experimental data were used to validate multi‐fluid Helmholtz energy approximation (MFHEA) and Peng–Robinson (PR) equations of state (EoSs). For all data points, the measurements’ uncertainties for temperature and pressure were 0.14 K and 0.03 MPa, respectively. While the composition uncertainty of the CO2 systems was a maximum of 0.024%. The findings reveal that as the mole fractions of the impurities increased, the bubble point pressures of the binary mixtures were elevated. Among all the investigated impurities, N2 has the most significant effect on the bubble point pressures of CO2 binary mixture at all the isotherms and compositions. Both MFHEA and PR models agreed well with the measured equilibrium points. For all systems, the average absolute deviations of the measured experimental data against the MFHEA and PR EoSs, were found to be less than 3.4% and 2.2%, respectively. Although the MFHEA EoS overpredicted most of the data points, the overall trend agreed with the experimental data and was consistent with the data available in the literature. The findings imply that the presence of these non‐condensable impurities (even as low as 0.5% mole fraction) increases the risk of two‐phase flow at higher pressures in a CO2‐rich system. © 2023 The Authors. Greenhouse Gases: Science and Technology published by Society of Chemical Industry and John Wiley & Sons Ltd.

show abstract

Section: Resultssupporting

confidence: 91%

Section: Co 2 -N 2 Systemmentioning

confidence: 89%

See 1 more Smart Citation

Effects of non‐condensable CCUS impurities (CH₄, O₂, Ar and N₂) on the saturation properties (bubble points) of CO₂‐rich binary systems at low temperatures (228.15–273.15 K)

Okoro,

Chapoy,

Ahmadi

et al. 2023

Greenhouse Gases

View full text Add to dashboard Cite

show abstract

“… 5 The pressure loss along the pipeline is inevitable; thus, the Joule–Thomson effect is a key issue in pipeline transportation. 6 The Joule–Thomson effect could be a contributing factor leading to a phase transition in the CO 2 steam transportation. Once there are leakages in the pipeline, 7 the temperature decrease caused by carbon dioxide flash and throttling expansion will cause brittle fracture of the pipeline due to supercooling.…”

Section: Introductionmentioning

confidence: 99%

“…The captured CO 2 transportation and storage are vital in the CCS process. , The CO 2 pipeline transportation is the most widely used transportation mode . The pressure loss along the pipeline is inevitable; thus, the Joule–Thomson effect is a key issue in pipeline transportation . The Joule–Thomson effect could be a contributing factor leading to a phase transition in the CO 2 steam transportation.…”

Section: Introductionmentioning

confidence: 99%

Joule–Thomson Effect on a CCS-Relevant (CO₂ + N₂) System

et al. 2021

View full text Add to dashboard Cite

The Joule–Thomson effect is a key chemical thermodynamic property that is encountered in several industrial applications for CO 2 capture and storage (CCS). An apparatus was designed and built for determining the Joule–Thomson effect. The accuracy of the device was verified by comparing the experimental data with the literature on nitrogen and carbon dioxide. New Joule–Thomson coefficient (μ JT ) measurements for three binary mixtures of (CO 2 + N 2 ) with molar compositions x N 2 = (0.05, 0.10, 0.50) were performed in the temperature range between 298.15 and 423.15 K and at pressures up to 14 MPa. Three equations of state (GERG-2008 equation, AGA8-92DC, and the Peng–Robinson) were used to calculate the μ JT compared with the corresponding experimental data. All of the equations studied here except PR have shown good prediction of μ JT for (CO 2 + N 2 ) mixtures. The relative deviations with respect to experimental data for all (CO 2 + N 2 ) mixtures from the GERG-2008 were within the ±2.5% band, and the AGA8-DC92 EoSs were within ±3%. The Joule–Thomson inversion curve (JTIC) has also been modeled by the aforementioned EoSs, and a comparison was made between the calculated JTICs and the available literature data. The GERG-2008 and AGA8-92DC EoSs show good agreement in predicting the JTIC for pure CO 2 and N 2 . The PR equation only matches well with the JTIC for pure N 2 , while it gives a poor prediction for pure CO 2 . For the (CO 2 + N 2 ) mixtures, the three equations all give similar results throughout the full span of JTICs. The temperature and pressure of the transportation and compression conditions in CCS are far lower than the corresponding predicted P inv,max and T inv,max for (CO 2 + N 2 ) mixtures.

show abstract

Effect of Impurities on Depressurization of CO2 Pipeline Transport

Huh

Cho²,

Hong³

et al. 2014

Energy Procedia

View full text Add to dashboard Cite

Experimental Study of N2 Impurity Effect on the Steady and Unsteady CO2 Pipeline Flow

Cited by 7 publications

References 2 publications

Effects of non‐condensable CCUS impurities (CH₄, O₂, Ar and N₂) on the saturation properties (bubble points) of CO₂‐rich binary systems at low temperatures (228.15–273.15 K)

Effects of non‐condensable CCUS impurities (CH₄, O₂, Ar and N₂) on the saturation properties (bubble points) of CO₂‐rich binary systems at low temperatures (228.15–273.15 K)

Joule–Thomson Effect on a CCS-Relevant (CO₂ + N₂) System

Effect of Impurities on Depressurization of CO2 Pipeline Transport

Contact Info

Product

Resources

About

Experimental Study of N2 Impurity Effect on the Steady and Unsteady CO2 Pipeline Flow

Cited by 7 publications

References 2 publications

Effects of non‐condensable CCUS impurities (CH4, O2, Ar and N2) on the saturation properties (bubble points) of CO2‐rich binary systems at low temperatures (228.15–273.15 K)

Effects of non‐condensable CCUS impurities (CH4, O2, Ar and N2) on the saturation properties (bubble points) of CO2‐rich binary systems at low temperatures (228.15–273.15 K)

Joule–Thomson Effect on a CCS-Relevant (CO2 + N2) System

Effect of Impurities on Depressurization of CO2 Pipeline Transport

Contact Info

Product

Resources

About

Effects of non‐condensable CCUS impurities (CH₄, O₂, Ar and N₂) on the saturation properties (bubble points) of CO₂‐rich binary systems at low temperatures (228.15–273.15 K)

Effects of non‐condensable CCUS impurities (CH₄, O₂, Ar and N₂) on the saturation properties (bubble points) of CO₂‐rich binary systems at low temperatures (228.15–273.15 K)

Joule–Thomson Effect on a CCS-Relevant (CO₂ + N₂) System