GX & Decarbonization Research

S. Fricano, C. Pirrone, Emma Kanzari +1

This paper explores the potential of recycling bivalve shells, a by-product of aquaculture and food processing, for decarbonization. Shells provide a sustainable source of high-purity calcium carbonate (CaCO3) used in calcium looping (CaL) …

R. Sawaly, A. Abushaikha, T. Al-ansari

This paper presents a centralized optimization framework for allocating captured CO2 in an industrial cluster, considering economic, technical, and environmental constraints. Using a multi-objective MILP model on a Qatar case study, it show…

Fuhao Tang, Xianrong Zheng, Li Zhang +2

This study compares primary and secondary amines for CO2 capture on amine-functionalized porous carbons using DFT calculations and experiments. It finds that secondary amines exhibit higher CO2 adsorption capacity and selectivity, providing…

Ponnivalavan Babu, Nagu Daraboina

This study investigates the thermodynamic promotion and stability of hydrate-based carbon capture using 1,3-dioxolane. The additive enhances CO2 hydrate formation, potentially improving carbon capture efficiency. This contributes to the pra…

C. Carpenter

This paper presents a risk-based modeling framework for assessing the long-term integrity of legacy plugged and abandoned wells in CO2 storage projects. It extends existing frameworks by adding modules for geochemical interactions, geomecha…

J. Benavides, S. Oyagha, R. Ratnakar +2

This study investigates the impact of grid size on CO2 dissolution, diffusion, and convection in brine using high-resolution numerical simulations and experimental diffusivity measurements. Results show that grid size promotes numerical ave…

Tianbiao Zhao

Current carbon accounting equates CO2 injection with permanent removal, but data from fractured reservoirs show 51.7% remains mobile after 10 years. This paper proposes replacing binary accounting with four containment regimes based on resi…

Mehrnaz Anvari, Marius Neuwirth, Okan Akça +4

This paper presents an integrated method for designing CO2 pipeline networks, combining energy system scenarios with physical network simulation. For Germany by 2045, it derives spatially resolved CO2 balances and evaluates a ~7000 km pipel…

Hui Lu, Qiyao Zhang, Zhixiao Bai +3

This study elucidates the carbonation-induced stabilization mechanism of tidal mudflat sediments using MgO for offshore wind farm access roads. It investigates the effects of MgO content, carbonation time, and initial moisture content on st…

E. van Oort, A. Lucas, J. Kverneland +4

This paper experimentally investigates the use of creeping shale formations as annular barriers in CO2 injection and storage wells. Unlike conventional cement barriers, shale barriers withstand temperature cycling and CO2 chemical attack, m…

J. Patel, C. Thakkar, Er Ranveer Singh Sekhavat +1

This review examines biochar as a supplementary cementitious material for decarbonizing construction. Biochar can be carbon-negative and at optimal replacement (1-5% by cement weight) improves compressive strength up to 18.5% through intern…

B. Agostinho, B. Engelke, R. Pernites +6

This paper presents seven case studies of geopolymer cement-free technology for oil well cementing, achieving up to 85% CO2 reduction. It covers laboratory optimization and field tests across seven countries, demonstrating scalability with …

F. Khalid, S. H. Saaidin, C. Quan +4

This study proposes a novel method for making sand cement bricks with partial substitution of cement and sand by coal fly ash (CFA) and magnesium oxide (MgO) to enhance CO2 sequestration. Using a 2k full factorial design, the effects of tem…

Dongfang Li, Zengyang Huang, Lichun Zhou +9

This study explores CO2 mineralization in silicate cement paste to enhance carbon sequestration and mechanical performance. A novel mixing method using gaseous and solid CO2 achieved a final carbon sequestration rate of 8.1 wt% at a water-c…

Bruce S. Hart

This paper argues for rigorous geoscience characterization of CCS sites using a holistic carbon-sequestration geosystems approach. It examines Cambrian sandstones at four Canadian sites, including two working CCS facilities, and provides in…

Silvia Voigt, Christoph Zeiss

This report analyzes the positions of 11 German NGOs on CCS from Dec 2022 to Mar 2024. A clear polarization emerges: one alliance (NABU, WWF, Germanwatch) supports CCS for unavoidable industrial emissions subject to strict ecological standa…

Canada Foundation for Innovation | Fondation canadienne pour l'innovation

This paper examines the potential for recovering metal resources during carbon capture, utilization, and storage (CCUS) processes using waste minerals and wastewater. It presents a technical approach to simultaneously achieve decarbonizatio…

Mingyang Che, Yujia Yin, Xiaohan Liu +7

This paper reports a facile synthesis method for self-activated porous carbon derived from potassium sodium tartrate. The resulting carbon material exhibits high CO2 adsorption capacity, offering potential for CO2 capture applications. The …

Louise; id_orcid 0000-0001-9011-4842 Brøns Kringelum

This paper systematically examines business models for carbon capture, storage, and utilization (CCUS), exploring how to assign economic value to CO₂. It analyzes revenue streams, cost structures, and policy dependencies, identifying condit…

Bocheng Yu, Dingli Li, Fangjing Du +13

In integrated carbon capture and hydrogenation (ICCH), Ni-based dual functional materials often suffer from competing methanation. This study shows that trace chloride incorporation into Ni-Ca dual functional materials shifts selectivity fr…