GX & Decarbonization Research

Mohammad Moosazadeh, Shadfar Davoodi, Shahabaldin Rezania +10

This paper examines integrating direct air capture (DAC) into low-carbon energy systems, focusing on regeneration (desorption) energy penalties, renewable energy integration, and CO2 storage pathways. It likely quantifies DAC's feasibility …

Rafailia Mitraki, Muhammad Salman, Daniel Flórez-Orrego +2

This study presents a techno-economic superstructure model to optimize decarbonization pathways for the hard-to-abate lime industry under uncertain energy and carbon prices. Fuel switching alone cuts emissions by only 18%, while carbon capt…

Marano G, Sardone L, Devillanova g

Concrete decarbonization via supplementary cementitious materials is usually quantified per kg of binder. This paper shows analytically that this metric is structurally incomplete: because alternative binders bind less efficiently, meeting …

Aiken, Richard

Reference implementation of a sparse-chord gamma densitometer for non-intrusive detection of density non-uniformity in dense-phase CO₂ pipelines. It includes forward/detectability modelling, Monte Carlo scatter/cross-talk, and an instrument…

Denis Voskov, Denis, Saifullin, Ilshat, Wapperom, Michiel +4

Open-DARTS is an open numerical framework for modeling and optimizing subsurface reservoirs used in the energy transition—geothermal production, cyclic energy storage for renewables, and CO2 sequestration. Its simulation outputs support mor…

Nkou Nkou J.J.

This study applies project-level causal inference to CCUS-enabled hydrogen projects, estimating a minimum viable scale threshold and an adoption band at which deployment becomes economically viable. It offers quantitative guidance on the sc…

Rupesh Kumar Singh, Himanshu Sharma, Vishal Agarwal +1

Microporous activated carbons were synthesized from waste sugarcane bagasse via ZnCl2 activation, comparing direct, pre-carbonized, and hydrothermal routes. The optimal hydrothermal-derived sample achieved 2714 m2/g surface area with ~85% m…

Obiang Asue Santiago Clarin Obiang, Yankun Jia, Ming Guo

A theoretical modeling study of carbonic anhydrase immobilized in the MOF UiO-66 for enhanced CO2 capture. It explores how enzyme immobilization can boost CO2 absorption performance. Findings remain at the modeling stage, not yet industrial…

Appu Kondiyara

This paper analyzes the thermodynamics and levelized cost of direct air capture (DAC). Separating CO2 from air at 420 ppm requires 3.7x the minimum work of coal flue gas, but the cost gap stems mainly from air volume and contactor size. An …

Andong Liu, Anmol Mathur, Krish N. Jayarapu +4

Proposes an electrochemically mediated carbon capture approach using a membraneless architecture. Removing the membrane could cut cost, complexity, and degradation, improving the practicality of electrochemical CO2 capture. No abstract avai…

Silvina M. Gatica

A study on capturing CO2 from wet vapor streams. Without an abstract, specifics are unclear, but moisture-tolerant capture is a practical bottleneck for CCUS deployment in flue gas and industrial processes.

Iain de Jonge‐Anderson, Gareth Johnson, Anne Merfort +3

Many 1.5°C/2°C pathways assume CO2 geological storage reaching ~15 GtCO2/yr by 2100, yet 2023 deployment was only ~0.045 GtCO2/yr. This brief assesses how six major IAMs represent geological storage and whether recent updates improved the r…

Ma, Xin, Zhang, Xueyan, Tian, Zhan +1

This study quantifies agricultural risks from CO2 leakage at geological carbon storage sites by combining multi-year plant experiments with global spatial analysis. It derives exposure-response functions linking leakage intensity to crop he…

Wenxuan Bai, Chen Wang, Lingzhen Kong +9

This paper screens phase change absorbents for CO2 capture using DFT calculations and COSMO-RS model, elucidating decarbonization mechanisms. It demonstrates potential for energy reduction via phase change, contributing to CCUS efficiency.

(著者不明)

This study evaluates CO2 methanation over Ni/Co zeolite catalysts with CeO2 promoters, comparing thermal catalysis (TC) at 200-400°C and plasma-assisted thermal catalysis (PTC) at low temperatures. TC achieved 94-99% CO2 conversion at 400°C…

Anna K. Müller, Johannes Ingenmey, Barbara Kirchner

This study systematically investigates pressure-dependent CO2 absorption in ionic liquids and a switchable solvent using DFT and ab initio MD simulations. Pressure enables chemically bound anion-CO2 complexes, with reversible, irreversible,…

Peyvand Valeh‐e‐Sheyda, Hamed Rashidi, Pouria Heidarian +1

This paper proposes an LSTM-based approach for predicting hourly CO2 flow rates in an industrial stack of a CO2 recovery plant. Improved prediction accuracy can optimize CCUS operations and enhance emission reduction efficiency. A practical…

Guihua Hu, Zeqi Jiang, Jin Ma +4

This paper models and intelligently optimizes post-combustion CO2 capture (PCC) for ethylene production under variable loads, followed by techno-economic analysis. It evaluates trade-offs between energy consumption and cost, assessing feasi…

Farheen Suleman, Azry Borhan, Sajid Muhbat +3

This paper develops ionic liquid-functionalized activated carbon for enhanced CO2 capture, integrating textural properties, adsorption performance, and isotherm analysis. It demonstrates the potential of sustainable materials for CO2 captur…

Xiang-Yu Li, Yan-Long Zhao, Xin Zhang +4

This study demonstrates that desorption kinetics, not just uptake, are critical for evaluating MOF adsorbents for CO2 capture. Nine MOFs were assessed under a unified protocol, revealing that late-stage desorption diffusivity correlates mos…