From carbon-neutral to climate-neutral supply chains: a multidisciplinary review and research agenda

Purpose: We conduct a multidisciplinary systematic literature review on climate neutrality in the supply chain. While carbon neutrality has gained prominence, our study argues that achieving carbon neutrality alone is not enough to address climate change effectively, as non-CO2 greenhouse gases (GHG) are potent contributors to global warming. Design/methodology/approach: We used multiple databases, including EBSCO, ProQuest, Science Direct, Emerald and Google Scholar, to identify articles related to climate neutrality in the context of non-CO2 gases. A total of 71 articles in environmental science, climate change, energy systems, agriculture and logistics are reviewed to provide insights into the climate neutrality of supply chains. Findings: We find that, in addition to CO2, other GHG such as methane, nitrous oxide, ozone and fluorinated gases also significantly contribute to climate change. Our literature review identified several key pillars for achieving net-zero GHG emissions, including end-use efficiency and electrification, clean electricity supply, clean fuel supply, “GHG capture, storage and utilization,” enhanced land sinks, reduced non-CO2 emissions and improved feed and manure management. Originality/value: We contribute to the literature on climate neutrality of supply chains by emphasizing the significance of non-CO2 GHG along with CO2 and highlighting the need for a comprehensive approach to climate neutrality in addressing climate change. This study advances the understanding of climate neutrality of supply chains and contributes to the discourse on effective climate change mitigation strategies. It provides clear future research directions

A pilot plant study of a VSA process for CO2 capture from power plant flue gas

AIChE 2012 - 2012 AIChE Annual Meeting, Conference Proceedings

A- and B-site substituted lanthanum cobaltite perovskite as high temperature oxygen sorbent. 2. column dynamics study

10.1021/ie070860pIndustrial and Engineering Chemistry Research471163-170IECR

A dynamic column breakthrough apparatus for adsorption capacity measurements with quantitative uncertainties

A dynamic column breakthrough (DCB) apparatus was used to study the separation of CH4+N-2 gas mixtures using two zeolites, H+-mordenite and 13X, at temperatures of (229.2 and 301.9) K and pressures to 792.9 kPa. The apparatus is not limited to the study of dilute adsorbates within inert carrier gases because the instrumentation allows the effluent flow rate to be measured accurately: a method for correcting apparent effluent mass flow readings for large changes in effluent composition is described. The mathematical framework used to determine equilibrium adsorption capacities from the dynamic adsorption experiments is presented and includes a method for estimating quantitatively the uncertainties of the measured capacities. Dynamic adsorption experiments were conducted with pure CH4, pure N-2 and equimolar CH4+N-2 mixtures, and the results were compared with similar static adsorption experiments reported in the literature. The 13X zeolite had the greater adsorption capacity for both CH4 and N-2. At 792 kPa the equilibrium capacities of the 13X zeolite increased from 2.13 +/- 0.14 mmol g(-1) for CH4 and 1.36 +/- 0.10 mmol g(-1) for N-2 at 301.9 K to 3.97 +/- 0.19 mmol g(-1) for CH4 and 3.33 +/- 0.12 mmol g(-1) for N-2 at 229.2 K. Both zeolites preferentially adsorbed CH4; however, the mordenite had a greater equilibrium selectivity of 3.5 +/- 0.4 at 301.9 K. Equilibrium selectivities inferred from pure fluid capacities using the Ideal Adsorbed Solution theory were limited by the accuracy of the literature pure fluid Toth models. Equilibrium capacities with quantitative uncertainties derived directly from DCB measurements without reference to a dynamic model should help increase the accuracy of mass transfer parameters extracted by the regression of such models to time dependent data