Vacuum swing CO2 adsorption cycles in Waste-to-Energy plants

Durán, Inés; Rubiera, F.; Pevida, C.

doi:10.1016/j.cej.2019.122841

Cited by 23 publications

(20 citation statements)

References 39 publications

(45 reference statements)

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“…In addition, the adsorbent performance is one of the key elements, which has a major effect on the efficiency of the cyclic adsorption process [25,26]. In the recent decades, different types of adsorbents have been evaluated for separation and purification technologies, whereas the activated carbon is still one of the most popular and attractive adsorbents for such propose [64][65][66].…”

Section: Cyclic Adsorption Processesmentioning

confidence: 99%

See 1 more Smart Citation

Biomass/Biochar carbon materials for CO2 capture and sequestration by cyclic adsorption processes: A review and prospects for future directions

Karimi

Shirzad

Silva

et al. 2022

Journal of CO2 Utilization

114

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Section: Cyclic Adsorption Processesmentioning

confidence: 99%

“…The ability of VSA process to maximize the CO 2 separation from the flue gas was investigated by Duran et al [65]. To this end, a 3-bed VSA also 1-bed vacuum and temperature swing adsorption process were developed, afterwards, the effect of the number of beds, cycle design, and operating conditions were studied.…”

Section: Vacuum Swing Adsorption (Vsa)mentioning

confidence: 99%

Biomass/Biochar carbon materials for CO2 capture and sequestration by cyclic adsorption processes: A review and prospects for future directions

Karimi

Shirzad

Silva

et al. 2022

Journal of CO2 Utilization

114

View full text Add to dashboard Cite

“…Efforts are also made to investigate the additional benefits of Waste-to-Energy (WTE) processes. For example, Durán et al. (2020) developed a mathematical model and studied the CO 2 capture from a WTE plant.…”

Section: Recent Development Trends and Toolsmentioning

confidence: 99%

Process assessment, integration and optimisation: The path towards cleaner production

Varbanov

Jia

Lim

2021

Journal of Cleaner Production

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This contribution starts from the broad perspective of the global material cycles, analysing the main resource and pollution issues world-wide from the viewpoint of the disturbances to these cycles caused by human activities. The issues are analysed in the light of the currently developing COVID-19 pandemic with the resulting behavioural and business pattern changes. It has been revealed in the analysis of previous reviews that there is a need for a more comprehensive analysis of the resource and environmental impact contributions by industrial and urban processes, as well as product supply chains. The review discusses the recent key developments in the areas of Process Integration and Optimisation, the assessment and reduction of process environmental impacts, waste management and integration, green technologies. That is accompanied by a review of the papers in the current Virtual Special Issue of the Journal of Cleaner Production which is dedicated to the extended articles developed on the basis of the papers presented at the 22nd Conference on Process Integration for Energy Saving and Pollution Reduction. The follow-up analysis reveals significant advances in the efficiency and emission cleaning effects of key processes, as well as water/wastewater management and energy storage. The further analysis of the developments identifies several key areas for further research and development – including increases of the safety and robustness of supply networks for products and services, increase of the resources use efficiency of core production and resource conversion processes, as well as the emphasis on improved product and process design for minimising product wastage.

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“…In a typical pressure (vacuum) swing operation pressurization, adsorption, blowdown and purge are the basic benchmark cyclic operation. The rinse stage is also added to ensure a high purity product [61]. Changes to the operational parameters can greatly dictate the purity and recovery of the product.…”

Section: Of 19mentioning

confidence: 99%

High Purity/Recovery Separation of Propylene from Propyne Using Anion Pillared Metal-Organic Framework: Application of Vacuum Swing Adsorption (VSA)

2021

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Propylene is one of the world’s most important basic olefin raw material used in the production of a vast array of polymers and other chemicals. The need for high purity grade of propylene is essential and traditionally achieved by the very energy-intensive cryogenic separation. In this study, a pillared inorganic anion SIF62− was used as a highly selective C3H4 due to the square grid pyrazine-based structure. Single gas adsorption revealed a very high C3H4 uptake value (3.32, 3.12, 2.97 and 2.43 mmol·g−1 at 300, 320, 340 and 360 K, respectively). The values for propylene for the same temperatures were 2.73, 2.64, 2.31 and 1.84 mmol·g−1, respectively. Experimental results were obtained for the two gases fitted using Langmuir and Toth models. The former had a varied degree of representation of the system with a better presentation of the adsorption of the propylene compared to the propyne system. The Toth model regression offered a better fit of the experimental data over the entire range of pressures. The representation and fitting of the models are important to estimate the energy in the form of the isosteric heats of adsorption (Qst), which were found to be 45 and 30 kJ·Kmol−1 for propyne and propylene, respectively. A Higher Qst value reveals strong interactions between the solid and the gas. The dynamic breakthrough for binary mixtures of C3H4/C3H6 (30:70 v/v)) were established. Heavier propylene molecules were eluted first from the column compared to the lighter propyne. Vacuum swing adsorption was best suited for the application of strongly bound materials in adsorbents. A six-step cycle was used for the recovery of high purity C3H4 and C3H6. The VSA system was tested with respect to changing blowdown time and purge time as well as energy requirements. It was found that the increase in purge time had an appositive effect on C3H6 recovery but reduced productivity and recovery. Accordingly, under the experimental conditions used in this study for VSA, the purge time of 600 s was considered a suitable trade-off time for purging. Recovery up to 99%, purity of 98.5% were achieved at a purge time of 600 s. Maximum achieved purity and recovery were 97.4% and 98.5% at 100 s blowdown time. Energy and power consumption varied between 63–70 kWh/ton at the range of purge and blowdown time used. The VSA offers a trade-off and cost-effective technology for the recovery and separation of olefins and paraffin at low pressure and high purity.

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Vacuum swing CO2 adsorption cycles in Waste-to-Energy plants

Cited by 23 publications

References 39 publications

Biomass/Biochar carbon materials for CO2 capture and sequestration by cyclic adsorption processes: A review and prospects for future directions

Biomass/Biochar carbon materials for CO2 capture and sequestration by cyclic adsorption processes: A review and prospects for future directions

Process assessment, integration and optimisation: The path towards cleaner production

High Purity/Recovery Separation of Propylene from Propyne Using Anion Pillared Metal-Organic Framework: Application of Vacuum Swing Adsorption (VSA)

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