Review
Chemistry, Multidisciplinary
Shaohua Zhang, Shusong Liu, Yiying Sun, Shihao Li, Jiafu Shi, Zhongyi Jiang
Summary: Efficient chemical transformation is essential for modern society's sustainable development. Enzyme-photo-coupled catalytic systems (EPCS) show promise in solar-driven 'molecular editing', but the design of efficient and stable EPCS is challenged by the involvement of multiple components and catalytic processes. Identifying connectivity and compatibility between biocatalytic and photocatalytic ensembles as crucial factors governing EPCS performance, solutions for undesirable connectivity and low compatibility are discussed to propose designing principles for EPCS and provide a future perspective.
CHEMICAL SOCIETY REVIEWS
(2021)
Article
Chemistry, Multidisciplinary
Manh-Thuong Nguyen, Katarzyna Grubel, Difan Zhang, Phillip K. Koech, Deepika Malhotra, Sarah Allec, Roger Rousseau, Vassiliki-Alexandra Glezakou, David J. Heldebrant
Summary: The study found that water-lean carbon capture solvents exhibit amphiphilic properties and can adapt to various interfacial environments. They are able to form a strong adlayer on hydrophilic surfaces, promoting solvent decomposition and affecting its properties and surface corrosion. The chemical composition of the solvent has a significant impact on its behavior.
Article
Engineering, Environmental
Chuanyu Yan, Abdelhamid Sayari
Summary: One of the most critical challenges in applying amine-based CO2 adsorbents on a large scale is their long-term stability and oxidative degradation. In this study, the oxidation of polyethylenimine (PEI) was investigated using various analysis techniques, and the presence of radical species and their increase in the presence of transition metal catalysts were observed for the first time. Significant amounts of CO2, water, and ammonia were also detected. Surprisingly, although epoxybutane (EB) and polyvinyl alcohol (PVA) improved the oxidation resistance of PEI, they did not reduce the amount of radical species. Theoretical calculations suggested that PEI is more prone to oxidation due to its weaker C-H bonds. The findings provide insights into the oxidation and antioxidation mechanisms of amines and offer clues for further improvement.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Chemical
Feng Zhao, Caixiang Cui, Shoulong Dong, Xiyan Xu, Helei Liu
Summary: This paper provides a comprehensive overview of the corrosion behavior in amine-based post-combustion carbon capture technology, including the corrosion mechanisms, measurement techniques, and influencing factors. It also discusses in detail the corrosion mitigation measures and mechanisms.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Green & Sustainable Science & Technology
Mohammad Saghafifar, Matthias A. Schnellmann, Stuart A. Scott
Summary: This paper studies the feasibility of using packed bed reactors in chemical looping air separation. By introducing a compressor and turbine, oxidizers can be operated at an elevated pressure and used to produce oxygen for combustion.
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2022)
Article
Chemistry, Multidisciplinary
Alexey A. Orlov, Alain Valtz, Christophe Coquelet, Xavier Rozanska, Erich Wimmer, Gilles Marcou, Dragos Horvath, Benedicte Poulain, Alexandre Varnek, Frederick de Meyer
Summary: Researchers have developed a computational approach that combines kinetic experiments, molecular simulations, and machine learning to identify a class of tertiary amines that absorb CO2 faster than a typical commercial solvent when mixed with piperazine.
COMMUNICATIONS CHEMISTRY
(2022)
Article
Multidisciplinary Sciences
Davide Tonelli, Lorenzo Rosa, Paolo Gabrielli, Ken Caldeira, Alessandro Parente, Francesco Contino
Summary: Proposals for achieving net-zero emissions by 2050 include scaling-up electrolytic hydrogen production. However, there are technical, economic, and environmental challenges to overcome. This study analyzes the land and water availability compared to the hydrogen demand in 2050, identifying countries that may face limitations in achieving self-sufficiency in hydrogen supply and countries that have the potential to become hydrogen exporters.
NATURE COMMUNICATIONS
(2023)
Article
Engineering, Chemical
Dalei Sun, Jinghui Cai, Yating Yang, Zhiwu Liang
Summary: In this study, Fe-doped alpha-Bi2O3 catalysts with different Fe/Bi molar ratios were synthesized and utilized in the carbonylation of isobutyl amine with CO2. The results showed that Fe doping significantly enhanced the catalytic abilities of alpha-Bi2O3.
CHEMICAL ENGINEERING SCIENCE
(2024)
Article
Environmental Sciences
Giuseppina Oliva, Rekich R. Pahunang, Giovanni Vigliotta, Tiziano Zarra, Florencio C. Ballesteros Jr, Aniello Mariniello, Antonio Buonerba, Vincenzo Belgiorno, Vincenzo Naddeo
Summary: A novel approach utilizing a combination of an activated sludge moving bed bioreactor (MBBR) and an algal photo-bioreactor (PBR) was investigated for the treatment of VOCs, specifically toluene, and the conversion of carbon dioxide into valuable biomass. The MBBR achieved up to 99.9% removal of toluene for a given inlet load. The resulting CO2 was effectively fixed in the PBR with a fixation rate of 95.8%, facilitated by algae and leading to an average production of algal biomass.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Chemistry, Multidisciplinary
Aotian Liu, Catherine Mollart, Abbie Trewin, Xianfeng Fan, Cher Hon Lau
Summary: By incorporating azobenzene into micropores of hypercross-linked polymers, we have developed photo-responsive materials for low-energy CO2 capture. The CO2 uptake, reduced by 19% due to azobenzene, is recovered and increased by 22% through photoisomerization, reaching 56.9 cm(3) g(-1). This demonstrates the potential of recycling waste polystyrene into advanced materials for carbon capture.
Review
Chemistry, Multidisciplinary
Mohit Kumar, Bhagatram Meena, Aimin Yu, Chenghua Sun, Subrahmanyam Challapalli
Summary: The rising demand for biomass as a renewable energy source has led to the blending of biodiesels and bioethanol in gasoline to fully utilize biomass fuels. Glycerol, a byproduct of biodiesel production, can be further oxidized to produce valuable products in conjunction with hydrogen through photo-/electrocatalysis. This review aims to provide insights into the mechanisms and catalysts involved in the photo-/electrocatalytic oxidation of glycerol, while discussing the obstacles and possibilities for its advancement in line with the global energy sustainability demands.
Article
Chemistry, Inorganic & Nuclear
Anita Justin, Jordi Espin, Ilia Kochetygov, Mehrdad Asgari, Olga Trukhina, Wendy L. Queen
Summary: Functionalizing metal-organic frameworks (MOFs) with amines is a common strategy to enhance their performance in CO2 capture applications. In this study, a two-step method to covalently modify NH2-containing MOFs with short chain polyamines was developed, resulting in improved CO2 adsorption properties.
INORGANIC CHEMISTRY
(2021)
Review
Chemistry, Multidisciplinary
Debashis Panda, Vaishnavi Kulkarni, Sanjay Kumar Singh
Summary: This review discusses the recent developments in porous amine-based solid sorbents for direct air CO2 capture, including adsorbent preparation and characterization, CO2 capture under different conditions, adsorption kinetics and thermodynamics, sorbent regeneration, and techno-economic analysis. These studies are of great importance for carbon emission reduction and climate change mitigation.
REACTION CHEMISTRY & ENGINEERING
(2022)
Article
Nanoscience & Nanotechnology
Yoseph A. Guta, Juliana Carneiro, Sichi Li, Giada Innocenti, Simon H. Pang, Miles A. Sakwa-Novak, Carsten Sievers, Christopher W. Jones
Summary: Aminopolymer-based sorbents are effective for extracting CO2 from ambient air, but their stability is crucial for developing high-performing sorbents.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Xiaopeng Li, Li Wang, Yi Xing, Wei Su
Summary: Environmental pollution and energy shortage caused by climate change are serious global challenges. The study highlights the significance of catalytic conversion technology in mitigating the adverse effects of CO2 and alleviating the energy crisis. Functionalized MOF catalysts have great potential in the conversion of CO2.
SUSTAINABLE ENERGY & FUELS
(2022)
Article
Environmental Sciences
Matthias Karl, Liisa Pirjola, Ari Karppinen, Jukka-Pekka Jalkanen, Martin Otto Paul Ramacher, Jaakko Kukkonen
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
(2020)
Article
Environmental Sciences
Martin Otto Paul Ramacher, Matthias Karl
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
(2020)
Article
Environmental Sciences
Martin Otto Paul Ramacher, Anastasia Kakouri, Orestis Speyer, Josefine Feldner, Matthias Karl, Renske Timmermans, Hugo Denier van der Gon, Jeroen Kuenen, Evangelos Gerasopoulos, Eleni Athanasopoulou
Summary: The UrbEm approach provides a high-resolution solution for air pollution modeling in European cities through disaggregation of gridded emission inventories, offering an effective and reliable option for urban-scale air quality studies. The method significantly improves model accuracy, particularly in urban regions with complex topographies, impacting NO2 predictions by up to 70% when compared to uniform spatial disaggregation.
Article
Environmental Sciences
Marvin Lauenburg, Matthias Karl, Volker Matthias, Markus Quante, Martin Otto Paul Ramacher
Summary: This study examines the dispersion of ultrafine particles (UFP) in Hamburg city center, with a focus on the impact of passenger ferryboats. Using a chemical transport model and observations, the study models and compares particle number concentrations. Results show that ferryboat traffic is a significant source of emissions near the shore, with slight differences between modeled and measured concentrations. UFP concentrations exhibit strong spatial and temporal variations, mainly driven by air temperature, wind speed, and wind direction.
Article
Environmental Sciences
Jennifer Bailey, Martin Otto Paul Ramacher, Orestis Speyer, Eleni Athanasopoulou, Matthias Karl, Evangelos Gerasopoulos
Summary: While Earth observation (EO) provides solutions to address environmental issues, its integration into the SDG framework is falling behind. EO brings novel monitoring methods to estimate SDG Indicator 11.6.2 and allows for comparability and scalability. The H2020 SMURBS/ERA-PLANET project introduces two EO-driven approaches to deliver the indicator on a more granular level.
Article
Environmental Sciences
Matthias Karl, Martin Otto Paul Ramacher, Sonia Oppo, Ludovic Lanzi, Elisa Majamaeki, Jukka-Pekka Jalkanen, Grazia Maria Lanzafame, Brice Temime-Roussel, Lise Le Berre, Barbara D'Anna
Summary: Maritime transport is identified as a major contributor to ultrafine particle (UFP) pollution in coastal regions, which poses health risks for people residing in port cities. The emissions from ships can lead to the formation of secondary organic aerosols (SOA) through photo-oxidation, in addition to primary particles. A study conducted in the Mediterranean port city of Marseille, France, using a regional-local chemistry transport modeling system, found that local shipping had a significant impact on UFP and SOA concentrations, with a potential contribution ranging from 6-9% for SOA and 27-51% for total particle number concentration in July 2020.
Article
Environmental Sciences
J. Feldner, M. O. P. Ramacher, M. Karl, M. Quante, M. L. Luttkus
Summary: This study assessed the effects of abiotic stress on BVOC emissions and urban ozone formation in the coastal metropolitan area of Hamburg, Germany. Results showed that drought stress led to reductions in BVOC emissions and ozone concentrations in Hamburg.
ENVIRONMENTAL SCIENCE-ATMOSPHERES
(2022)
Article
Environmental Sciences
Sara Jutterstrom, Filip Moldan, Jana Moldanova, Matthias Karl, Volker Matthias, Maximilian Posch
Summary: Ship emissions of nitrogen and sulfur contribute significantly to coastal deposition and acidification/eutrophication near the Baltic Sea. Implementation of NECA and SECA can decrease nitrogen impacts, but eutrophication effects still persist. Geographically, the impact of shipping emissions is unevenly distributed within countries, with coastal areas experiencing higher effects than national summaries suggest.
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2021)
Article
Engineering, Environmental
Xiaole Zhang, Matthias Karl, Luchi Zhang, Jing Wang
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2020)
Article
Geosciences, Multidisciplinary
Paul D. Hamer, Sam-Erik Walker, Gabriela Sousa-Santos, Matthias Vogt, Dam Vo-Thanh, Susana Lopez-Aparicio, Philipp Schneider, Martin O. P. Ramacher, Matthias Karl
GEOSCIENTIFIC MODEL DEVELOPMENT
(2020)
Article
Environmental Sciences
Martin O. P. Ramacher, Lin Tang, Jana Moldanova, Volker Matthias, Matthias Karl, Erik Fridell, Lasse Johansson
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2020)
Article
Environmental Sciences
Lin Tang, Martin O. P. Ramacher, Jana Moldanova, Volker Matthias, Matthias Karl, Lasse Johansson, Jukka-Pekka Jalkanen, Katarina Yaramenka, Armin Aulinger, Malin Gustafsson
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2020)
Article
Meteorology & Atmospheric Sciences
Daniel Neumann, Matthias Karl, Hagen Radtke, Volker Matthias, Rene Friedland, Thomas Neumann
Article
Geosciences, Multidisciplinary
Matthias Karl, Sam-Erik Walker, Sverre Solberg, Martin O. P. Ramacher
GEOSCIENTIFIC MODEL DEVELOPMENT
(2019)
Article
Environmental Sciences
Martin Otto Paul Ramacher, Matthias Karl, Johannes Bieser, Jukka-Pekka Jalkanen, Lasse Johansson
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2019)