Experimental and numerical analysis on impacts of significant factors on carbon dioxide absorption efficiency in the carbon solidification process

Haibin Wang, Peilin Zhou, Zhongcheng Wang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Onboard carbon capture and storage is an excellent solution to reduce the greenhouse gas emissions from shipping. This paper focuses on the absorption process and CO2 gas flow rate, the geometry of absorption tank and the concentration of absorption solution are key factors affecting the absorption efficiency. This paper will illustrate the experimental results of the impacts of these factors on the CO2 absorption efficiency. Meanwhile, results from CFD simulations of effects of the key factors on CO2 absorption rates will be presented in this paper. Pressure distributions, solution concentration and velocity of CO2 gas and solution are derived from the simulations. The results of the simulations provide fundamentals and insight understanding of the design of a proto-type demonstration system onboard a case ship. In addition to the key factors, the effect of atmosphere temperature was simulated and analyzed. Comparisons between the experiment and simulation have been conducted and the results have shown a good agreement. Optimized values of the factors are obtained from the comparisons and analyses. The numerical simulations of temperature effects on CO2 absorption rate and optimized temperature for the absorption process are also presented in the paper.

LanguageEnglish
Pages133-143
Number of pages11
JournalOcean Engineering
Volume113
Early online date12 Jan 2016
DOIs
Publication statusPublished - 1 Feb 2016

Fingerprint

Solidification
Numerical analysis
Carbon dioxide
Carbon
Carbon capture
Freight transportation
Gas emissions
Greenhouse gases
Pressure distribution
Thermal effects
Flow of gases
Computational fluid dynamics
Ships
Demonstrations
Flow rate
Temperature
Geometry
Computer simulation
Gases
Experiments

Keywords

  • chemical absorption
  • emission reduction
  • two-phase flow simulation

Cite this

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abstract = "Onboard carbon capture and storage is an excellent solution to reduce the greenhouse gas emissions from shipping. This paper focuses on the absorption process and CO2 gas flow rate, the geometry of absorption tank and the concentration of absorption solution are key factors affecting the absorption efficiency. This paper will illustrate the experimental results of the impacts of these factors on the CO2 absorption efficiency. Meanwhile, results from CFD simulations of effects of the key factors on CO2 absorption rates will be presented in this paper. Pressure distributions, solution concentration and velocity of CO2 gas and solution are derived from the simulations. The results of the simulations provide fundamentals and insight understanding of the design of a proto-type demonstration system onboard a case ship. In addition to the key factors, the effect of atmosphere temperature was simulated and analyzed. Comparisons between the experiment and simulation have been conducted and the results have shown a good agreement. Optimized values of the factors are obtained from the comparisons and analyses. The numerical simulations of temperature effects on CO2 absorption rate and optimized temperature for the absorption process are also presented in the paper.",
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N2 - Onboard carbon capture and storage is an excellent solution to reduce the greenhouse gas emissions from shipping. This paper focuses on the absorption process and CO2 gas flow rate, the geometry of absorption tank and the concentration of absorption solution are key factors affecting the absorption efficiency. This paper will illustrate the experimental results of the impacts of these factors on the CO2 absorption efficiency. Meanwhile, results from CFD simulations of effects of the key factors on CO2 absorption rates will be presented in this paper. Pressure distributions, solution concentration and velocity of CO2 gas and solution are derived from the simulations. The results of the simulations provide fundamentals and insight understanding of the design of a proto-type demonstration system onboard a case ship. In addition to the key factors, the effect of atmosphere temperature was simulated and analyzed. Comparisons between the experiment and simulation have been conducted and the results have shown a good agreement. Optimized values of the factors are obtained from the comparisons and analyses. The numerical simulations of temperature effects on CO2 absorption rate and optimized temperature for the absorption process are also presented in the paper.

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