GX & Decarbonization Research

Ahmed Ragab, Mohamed Ebeed, Ahmed Refai +3

This paper uses particle swarm optimization to manage smart multi-carrier energy hubs, minimizing costs and emissions. Integrating renewables and a carbon capture unit reduces total costs by 64.12% and CO2 emissions by 72.57%.

João Pedro B. Vasconcelos, Miguel D. Carvalho, Jean Felipe Leal Silva

This study evaluates the technical and economic feasibility of an Allam-Fetvedt Cycle power plant fueled by sugarcane-derived biogas for BECCS. Two scenarios (8 and 24 million tons sugarcane/year) are simulated using Aspen Plus. Economic an…

Haslinger B, Reischl B, Steger F +10

This study presents a scalable strategy for amino acid production from CO2 using the methanogenic archaeon Methanothermobacter marburgensis. Through Design of Experiments and CFD-informed hybrid modeling, process parameters were optimized, …

Sheng Chen, Ruiqi Wang, Mingchen Gao +5

This paper proposes integrating direct air capture (DAC) with urban energy networks to decarbonize buildings, evaluating both energy efficiency and emissions reduction.

Junjira Thipraksa, T. Yooyen, Phachirarat Sola +2

This study developed a carbon-capturing microbial fuel cell integrated with biochar-immobilized laccase-producing microbial consortia, achieving 73.15% melanoidin removal, maximum open circuit voltage of 619 mV, and carbon fixation of 0.13 …

Chuhan Fu, Wenkang Deng, Yalou Guo +12

This review systematically examines recent advances in direct air capture (DAC) technologies, focusing on capture mechanisms, energy efficiency, and integration with renewable energy. It compares commercialized and developing DAC systems an…

Erin Middleton, Jessi Eidbo, Veronica Wilde +15

This final technical report for the Wyoming Trails Carbon Hub assesses capture, transport, storage, and utilization of CO2 in Wyoming. It evaluates statewide build-out scenarios using pipeline, rail, and road, and includes a basin-wide form…

Sina Namdarpour, Tansu Galimova, Theophilus Mensah +2

This supplementary material provides a detailed techno-economic comparison of biomass, CO2 transport, and direct air capture (DAC) as carbon sources for e-methanol production. It evaluates each pathway in terms of cost, energy efficiency, a…

Fabrizio Roncaglia, Paolina Scarponi, Alberto Ughetti +2

This paper proposes methods to enhance CO2-to-protein conversion efficiency in a Spirulina-based integrated carbon capture and utilization (CCUS) system. It aims to improve carbon fixation and protein production efficiency through optimizat…

Mohammad Hamdy Elkady, Harini Gunda, Md. Tanjin Amin +4

This study conducts a techno-economic analysis of adsorption-based onboard carbon capture (VSA and TSA) for medium-range tankers using HFO or LNG. It finds that TSA integrated with LNG achieves a $320/t CO2 avoided cost, while VSA is less e…

Garima Mittal, Shiladitya Paul

This review examines acid precipitation in dense-phase/supercritical CO2 pipelines containing reactive impurities. It covers phase behavior, acid formation, corrosion mechanisms, and mitigation strategies including dehydration, corrosion-re…

Anusorn Boonpoke, Sirasit Meesiri, Saksit Imman +3

This study synthesizes hierarchical activated carbon from low-rank lignite via microwave-assisted KOH activation for post-combustion CO2 capture. The optimized material achieves a BET surface area of 1349 m2/g and CO2 uptake of 47.34 mg/g a…

Nawaz, Dr. Muhammad Asif, Odriozola, José Antonio, Ramirez Reina, Tomas

This Account reviews rational catalyst design strategies for the reverse water-gas shift (RWGS) reaction, which converts CO2 into CO for downstream fuel/chemical synthesis. Three principles are emphasized: electronic modulation, active phas…

Seyedeh Hosna Talebian, Iliya Heidari, Danial Eisazadeh +1

This study evaluates a CCUS project integrating CO2 capture from flare gas with CO2-EOR in a mature carbonate oilfield. Using LCA and cash-flow modeling, it shows annual reduction of ~46,000 tCO2e and IRR of 2.8–4.4%, highlighting dual emis…

X H Chen, Shuaiqiang Jia, Jianxin Zhai +10

This work reports the direct electrochemical conversion of CO2 to glycolate in aqueous media using unsaturated Cu sites, achieving a production rate of 305±24 mmol h⁻¹ g⁻¹. It represents a new product from electrocatalytic CO2 reduction, ad…

Junghwan Kim, Junsu Kim, Matthew J. Realff

This paper examines the production of green and blue methanol by combining biomass or direct air capture (DAC) carbon with steam methane reforming (SMR) and the Allam–Fetvedt cycle for efficient CO2 capture. It evaluates the techno-economic…

Muhammad Ariyon, Ellyan Sastraningsih, Fitrianti Fitrianti +1

This paper reports the development and implementation of a CCS educational model for oil and gas vocational high schools in Indonesia. Through workshops and module development, it improved student and teacher understanding of CCS and GHG mi…

Chongye Wang, Weidong Guo, Siyuan Yin +2

This paper proposes a novel two-bed eight-step radial bed VPSA process for high-throughput carbon capture from dry flue gas. The design aims to improve efficiency and throughput, contributing to CCUS technology advancement.

Bonugu Dimple, Rama Rao Karri, Kunal Achintya Reddy +3

This study proposes a machine learning framework (GBDT, XGBoost, LightGBM, stacking ensembles) to predict CO2 uptake of biomass-derived porous carbon materials. The RF+SVR stacking model achieved high predictive accuracy and identified key …

Rafailia Mitraki, Grégoire Léonard

This paper quantifies the impact of flue gas pre-treatment steps, previously overlooked in techno-economic assessments of CCS routes, and shows that including them can lead to higher actual costs than conventional estimates, underscoring th…