Advances in Carbon Management Technologies

A silver-catalyzed cascade conversion of modular alkyne-1,n-diols and carbon dioxide has been developed allowing for the selective formation of keto-functionalized cyclic carbonates. The protocol is characterized by its operational simplicity, excellent scope of carbonate-based heterocycles, and mild reaction conditions. In situ IR studies, control experiments, and detailed computational analysis of these manifolds reveal the intermediacy of an α-alkylidene carbonate that is intercepted by an intramolecular alcohol nucleophile. The synthetic potential of this conceptually attractive CO 2 transformation is demonstrated in the preparation of larger ring carbonates and their thermal rearrangement to sterically crowded, five-membered fused carbonate products.

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Strategic Planning of an Integrated Fuel Production System with a Fair-Sustainable Approach

Munguía-López

Sánchez-Bautista

El‐Halwagi

et al. 2021

ACS Sustainable Chem. Eng.

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This work introduces a systematic approach for the optimization of an integrated system to produce fuels and simultaneously capture emissions while accounting for fairness schemes and sustainability metrics. The proposed fair-sustainable approach is relevant because a fair allocation of resources is key for long-term sustainability. The considered stakeholders in the integrated system include refineries, biorefineries, and eco-industries (taken in this work as endeavors for forest plantations resulting in capturing emissions). The optimal allocation of income among these stakeholders is analyzed by evaluating different fairness schemes (social welfare, Rawlsian welfare, and Nash approaches) and a sustainability metric (sustainability weighted return on investment). To incentivize the installation of eco-industries, economic compensation options are included. The applicability of the optimization formulation is demonstrated using a case study of Mexico. However, the model is general and can be applied to different case studies. The results show distinct income allocations under the fairness schemes and the sustainability metric. These allocations are compared to their utopic points. Additionally, the avoided emissions and the generated jobs obtained through the distinct schemes are analyzed. The results also show that the Nash scheme can provide fair trade-offs among the stakeholders' income and environmental and social functions.

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Advances in Carbon Management Technologies

Cited by 4 publications

References 551 publications

CO2 Gas hydrate for carbon capture and storage applications – Part 1

CO2 Gas hydrate for carbon capture and storage applications – Part 1

Cascade Transformation of Carbon Dioxide and Alkyne-1,n-diols into Densely Substituted Cyclic Carbonates

Strategic Planning of an Integrated Fuel Production System with a Fair-Sustainable Approach

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