Optimum conditions for the capture of carbon dioxide with a bubble-column scrubber

Chen, Pao-Chi; Huang, Chia-Hong; Su, Ting; Chen, Hsiao‐Wei; Yang, Ming-Wei; Tsao, Jhy−Ming

doi:10.1016/j.ijggc.2015.01.011

Cited by 23 publications

(33 citation statements)

References 24 publications

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“…The range found here was 3.98-23.86 with a liquid flow rate range of 1.5 10 -4 -9.08 10 -4 mol s -1 . The results for K G a were less than 0.015-0.3396 s -1 reported in previous work [20,26], while the values in the current work were close to 0.01-0.15 s -1 performed in batch-mode bubble columns [28][29][30]. The difference was due to different operating conditions, such as pH, Q g , and T.…”

Section: Experimental Datasupporting

confidence: 58%

“…In this study, a microalgae culture recycle solution adjusting the pH with NaOH solution as an absorption solvent and a continuous bubble‐column scrubber under a constant pH environment were implemented to investigate the effects of gas flow rate ( Q g ), temperature ( T ), concentration of absorbent solution ( C L ), and the pH of the absorbent solution on the absorption rate ( R A ), efficiency ( E ), overall mass‐transfer coefficient ( K G a ), and gas‐liquid flow rate ratio ( γ ) for the scrubber design and a pilot study. The Taguchi experimental design , was adopted. A signal‐to‐noise ratio (S/N) analysis not only reduces the number of experiments needed but also confirms the importance of parameters and optimum conditions.…”

Section: Introductionmentioning

confidence: 99%

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Capturing CO₂ by Using a Microalgae Culture Recycle Solution

et al. 2017

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The capture of CO2 by means of a microalgae culture solution was explored in a continuous bubble‐column scrubber under a constant pH environment. Optimum conditions for a pilot‐scale study were evaluated. With the Taguchi method, a total of sixteen runs were required. Absorption rate, absorption efficiency, overall mass transfer coefficient, and gas‐liquid flow rate ratio were determined by a material balance model and a two‐film model under steady‐state conditions. From the signal‐to‐noise ratio, the sequence of parameters could be stated. Uncontrolled experiments were also performed and empirical equations were discussed.

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Section: Experimental Datasupporting

confidence: 58%

Section: Introductionmentioning

confidence: 99%

Capturing CO₂ by Using a Microalgae Culture Recycle Solution

et al. 2017

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“…In the case of Chlorella vulgaris, the algae species used in our experiments [16], the optimal CO 2 concentration is around 20%, based on the data from 37 developed countries [45,57]. In the case of Nannochloropsis [22,59] and Chlorococcum species [60] much higher values (even up to 40%) were obtained. For the strains Botryococcus braunii SI-30, S. obliquus SJTU-3 and C. pyrenoidosa SJTU-2, which are quite promising for biofuel production, a CO 2 concentration of 30-50% can be deemed ideal [61].…”

Section: Potential Significance Of Algaementioning

confidence: 89%

The Significance of Forests and Algae in CO2 Balance: A Hungarian Case Study

et al. 2017

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This study presents the sequestration and emissions of forests and algae related to CO 2 while providing a comparison to other biomass sources (arable crops, short rotation coppices). The goal of the paper is to analyze the impact of the current CO 2 balance of forests and the future prospects for algae. Our calculations are based on data, not only from the literature but, in the case of algae, from our own previous experimental work. It was concluded that the CO 2 sequestration and natural gas saving of forests is typically 3.78 times higher than the emissions resulting from the production technology and from the burning process. The economic and environmental protection-related efficiency operate in opposite directions. The CO 2 sequestration ability of algae can primarily be utilized when connected to power plants. The optimal solution could be algae production integrated with biogas power plants, since plant sizes are smaller and algae may play a role, not only in the elimination of CO 2 emissions and the utilization of heat but also in wastewater purification.

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“…Chen et al have presented a paper on optimum conditions for the capture of CO 2 with a bubble column scrubber using NaOH as a solvent. A continuous bubble column was used under a static pH environment to determine the effects of process parameters on absorption efficiency, absorption rate of CO 2 , gas liquid flow rate, and overall mass transfer coefficients.…”

Section: Control Of Natural Gas Sweeteningmentioning

confidence: 99%

Mathematical Modeling, Parametric Estimation, and Operational Control for Natural Gas Sweetening Processes

Selvan

Panda

2017

ChemBioEng Reviews

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As a result of the increased energy demand and the required environmental compliance, purification of natural gas (NG) need to be processed through more efficient technologies. Most the NG sources contain H2S and CO2 as acidic contaminants causing corrosion, reduction in the calorific value of the fuel, and toxicity. Removal of these gases (gas sweetening) is mostly performed in a reactive absorber followed by a stripper for solvents regeneration. Amine solvents are very suitable due to their natural affinity towards the acid gases. In the setting‐up of newer plants or retrofitting of old units in existing plants to improve the efficiency of the sweetening process, modeling, optimization, and safer operational control of the process have drawn the attention of many researchers. The development of better models must take into account the synthesis and implementation of proper control strategies. Rate‐based, equilibrium, and kinetic models supported by thermodynamic properties of the components have been discussed here and experiments carried out to identify new process models have also been presented.

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Optimum conditions for the capture of carbon dioxide with a bubble-column scrubber

Cited by 23 publications

References 24 publications

Capturing CO₂ by Using a Microalgae Culture Recycle Solution

Capturing CO₂ by Using a Microalgae Culture Recycle Solution

The Significance of Forests and Algae in CO2 Balance: A Hungarian Case Study

Mathematical Modeling, Parametric Estimation, and Operational Control for Natural Gas Sweetening Processes

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Optimum conditions for the capture of carbon dioxide with a bubble-column scrubber

Cited by 23 publications

References 24 publications

Capturing CO2 by Using a Microalgae Culture Recycle Solution

Capturing CO2 by Using a Microalgae Culture Recycle Solution

The Significance of Forests and Algae in CO2 Balance: A Hungarian Case Study

Mathematical Modeling, Parametric Estimation, and Operational Control for Natural Gas Sweetening Processes

Contact Info

Product

Resources

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Capturing CO₂ by Using a Microalgae Culture Recycle Solution

Capturing CO₂ by Using a Microalgae Culture Recycle Solution