Evaluating the environmental impacts of formic acid production from CO₂: catalytic hydrogenationvs.electrocatalytic reduction

Abstract

Carbon capture and utilization (CCU) technology provides a promising approach for minimizing greenhouse gas (GHG) emissions and fossil resource depletion. Formic acid (FA) is a valuable chemical that can be...

Matching emerging formic acid synthesis processes with application requirements

“…A life cycle assessment study by Kang et al showed that the electrochemical route has a lower impact on climate change and fossil depletion than the catalytic hydrogenation route and the current industrial route. 42 Electricity is the dominant factor in the environmental impact of the electrochemical route, so using an environmentally friendly power source is vital. 42 Electrolysers are also modular and can work discontinuously.…”

“…42 Electricity is the dominant factor in the environmental impact of the electrochemical route, so using an environmentally friendly power source is vital. 42 Electrolysers are also modular and can work discontinuously. Small formic acid production units could be added to existing infrastructure and operate wherever CO 2 and/or renewable energy is available.…”

Highly selective, energy-free, and environmentally friendly one-pot production of linear α-olefin from biomass-derived organic acid in a dual-bed catalyst system

“…† In this study, producing LAO requires relatively less catalysts than the other resources consumption, and thus the preparation and stability of catalyst was not considered as part of LCA by using the same assumption in the previous studies. [80][81][82][83][84] First, based on the inventory data, the CC impacts of the LAO production strategies (petroleum-based and four developed cases) implemented in South Korea were quantified and compared. Then, the four major environmental impact categories (CC, FD, OD, and PM) of the four cases were analyzed to determine the optimum reaction conditions.…”

“…99 In addition, the composition of octene isomers in the product flow was low; thus, the isomers were completely allocated to 1-octene by adapting the mass allocation approach. 84 Environmental impact assessments of the four cases were conducted using the ReCiPe 2016 midpoint hierarchy method 100 based on the attributional approach. Among the 18 impact categories of the ReCiPe midpoint method, we mainly on four environmental impacts: climate change (CC), fossil depletion (FD), ozone depletion (OD), and particulate matter formation (PM).…”

Fixing carbon dioxide in situ during ethanol production by formate dehydrogenase

“…Moreover, formate is a valuable chemical used in feed preservation, leather tanning, and providing reducing power. 22,23 Consequently, the co-production of bioethanol and valueadded formate from CO 2 can significantly decrease production costs. In our previous study, 24 ScFDH1 was overexpressed in the main bioethanol producer Saccharomyces cerevisiae.…”