GX & Decarbonization Research

M. A. Souza, L. Barca, Rúdi Gualter de Oliveira +9

This paper addresses the challenges of high CO2 content (≥40%) and high gas-oil ratio (≥400 Sm3/Sm3) in Brazilian pre-salt fields. It describes the development of subsea high-pressure CO2 separation and reinjection (HISEP) technology and th…

Bing XIA, Jiancheng WU, Jinglan He +2

This paper proposes an innovative design method for carbon-sequestering buildings, using sky courtyard residence as an example. It introduces a generative design approach based on technology-space synergistic analysis, aiming to contribute …

Seyed Mousa MousaviMirakalaei, L. Santos

This paper presents a numerical modeling workflow to evaluate mercury as an impurity in CO2 streams during CCS. Using CMG GEM simulator and geochemical calculations, the study finds that mercury rapidly transfers into the aqueous phase and …

Rizky Maulana Riadhi, Rama Oktavian

This study evaluates the techno-economic feasibility of producing HVO from used cooking oil in Indonesia, integrating CCUS/EOR and carbon trading. A refrigeration cycle reduces CO2 intensity by 92.5%, and revenue from CO2 sales for EOR and …

Li Yang, Mingda Qiu, Simin Huang +3

This study uses machine learning and collaborative governance theory to analyze multiscale drivers and development models in global CCUS deployment. It finds a policy-driven paradigm with cost barriers hindering economies of scale. Hierarch…

Chu Sun, Yihao Liu, Philippe Ciais +4

This study measures methane emissions from China's wastewater treatment plants, identifying key drivers. It estimates that deploying recovery technologies could advance the emission peak by 15 years and reduce 2040 emissions by 23%, highlig…

Saurajyoti Kar, Troy R. Hawkins, Doris Oke +3

This study develops a harmonized LCA-TEA framework to evaluate GHG reduction potential, minimum fuel selling price, and marginal abatement cost (MAC) for 19 bioenergy pathways (liquid biofuels, bioelectricity, hydrogen) with and without CCS…

Sijin Dong, Yì Wáng, Shuai Wang +7

This review systematically evaluates biomass-derived carbon materials for direct air capture (DAC), highlighting their renewable feedstocks, low cost, tunable structures, and carbon-negative potential. Key challenges include precise structu…

O. Lopushanskyi

This review analyzes modern strategies for decarbonizing gas emissions in industry and energy, comparing CCS, electrification, hydrogen, and biogas. It evaluates economic feasibility and barriers, concluding that a combined approach is most…

Sinéad M. Crotty, Peter W. Reiners, Leah K. Clayton +5

This paper focuses on non-energy Biomass Carbon Removal and Storage (BiCRS) pathways, presenting a framework to assess the durability of solid and liquid carbon products stored in terrestrial environments. It organizes carbon products along…

Lin Xin, Lingran Min, Min Yang +5

This paper proposes a novel method to achieve carbon neutrality of coal by using backfill materials to sequester CO2 in cavities created by underground coal gasification (UCG). It integrates UCG with CO2 storage, aiming for net-zero emissio…

Mariana Murrieta-Melchor, Stephany Isabel Vallarta-Serrano, E. Santoyo-Castelazo +1

The cement industry accounts for over 8% of global GHG emissions. This study analyzes Mexico's cement production under BAU and two alternative scenarios using a top-down approach to model energy and emissions to 2050. The most ambitious sce…

Antonia Pacios-Álvarez, Diego Rorato Fogaça, Joaquín Ordieres-Meré +1

This systematic review analyzes bioinspired strategies for carbon neutrality in construction. It finds that the materials and components phase shows the highest prevalence of applications, particularly mineralization and biobased composites…

Chao-Wen Wang, Kai Yu, Hwai Chyuan Ong +2

This paper reviews microalgae-based bioenergy combined with carbon capture, utilization, and storage (CCUS) as a pathway to net-negative emissions and circular economy. It highlights the dual role of microalgae in CO2 fixation and energy pr…

Johanna Ruett, Ali Abdelshafy, Ben Wichelhaus +1

This study assesses biomass utilization pathways (bioenergy, BECCS, biochar carbon removal) for wheat straw in Germany. From private perspective, bioenergy currently has highest net benefit, but BECCS can surpass it with incentives. All pat…

Endre Tvinnereim, Gisle Andersen, Christine Merk +2

This study simulates a consultation process using online deliberation groups in Norway to assess public engagement with carbon dioxide removal (CDR) technologies. Deliberation significantly improved assessments of land-based bioenergy carbo…

Fanny Machado Jofre, Carina Aline Prado, Vinícius P. Shibukawa +3

This review presents an integrated framework connecting climate governance (COP26-COP30) with biotechnological carbon-negative pathways such as SAF, biohydrogen, biochar, and bioplastics. It uniquely combines Technological Readiness Levels …

Septian Wahyu Setiawan, Ummi Aminatus Sa’diyah, Silvana Dwi Nurherdiana +3

This literature review summarizes recent advances in UiO-66-based photocatalysts for CO2 reduction to methanol. Metal modification, functional groups, and band gap engineering enhance visible light absorption and conversion efficiency. Howe…

Luke Plante, Jacob Klug, Stephanie Murillo-Maikat +10

This study conducts a techno-economic assessment of bio-accelerated weathering using Gluconobacter oxydans on ultramafic mine tailings for carbon sequestration. Under unfavorable conditions, costs reach $3,465 per tonne of CO2, but with fav…

V. Karuppasamy Vikraman, K. Sivasabari, Sudheesh Manalil

This study proposes a targeted design of biochar from food waste pyrolysis using multi-objective optimization to balance energy production, carbon sequestration, and agronomic benefits. The approach aims to enhance resource efficiency and c…