Article
Engineering, Environmental
Yuqi Zhang, Chunying Zhu, Taotao Fu, Xiqun Gao, Youguang Ma
Summary: This study investigated the effects of water content on CO2 absorption performance and mass transfer in ChCl-MEA deep eutectic solvent, finding that the optimal absorption efficiency and mass transfer performance are achieved when the water content is 70wt%.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Wenbin Qian, Jin Hao, Mingjian Zhu, Peixu Sun, Kai Zhang, Xiaoxiao Wang, Xia Xu
Summary: This study focuses on the development of green solvents for CO2 capture by preparing deep eutectic solvents (DES) using glycine and proline as hydrogen bond acceptors and monoethanolamine and ethyl diethanolamine as hydrogen bond donors. The DES based on monoethanolamine shows better CO2 uptake capability compared to ethyl diethanolamine-based DES. The introduction of ethylene glycol enhances the absorption kinetics and regeneration ability. The DES [Gly][MEA][EG] exhibits excellent tolerance to water content and CO2 concentration in flue gases and shows robust performance in regeneration with no sustainable solvent loss after multiple cycles.
JOURNAL OF CO2 UTILIZATION
(2022)
Article
Engineering, Chemical
Qun Huan, Yan Zhang, Haryo Wibowo, Zhang Xu, Ekkachai Kanchanatip, Li Zhong, Mi Yan
Summary: This study focused on the regeneration of ChCl-MEA DES after CO2 capture, and evaluated the effects of regeneration conditions on absorption capacity and selectivity. By adjusting the addition of catalyst and water content, efficient regeneration cycles were achieved, providing valuable references for the application of CO2 purification absorbents.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Physical
Vahideh Alizadeh, Lars Esser, Barbara Kirchner
Summary: Deep eutectic solvents show promising potential as CO2 absorbents, contributing to sustainable CO2 reduction and combating global climate change. Molecular dynamics simulations provide insights into the CO2 absorption mechanism in the solvent, revealing varying interactions between different components and CO2 under different pressures.
JOURNAL OF CHEMICAL PHYSICS
(2021)
Article
Engineering, Chemical
Shaohan Lian, Quan Zhao, Zezhou Zhang, Run Li, Chunfeng Song
Summary: A novel deep eutectic solvent (DES) was developed to modulate the microenvironment in mixed matrix membranes (MMMs) for efficient CO2 separation. The CO2 permeability and selectivity of the ternary MMM are improved by 38% and 9% compared to the binary system. The tailored DES has excellent CO2 affinity and can provide an additional facilitated transport pathway according to the DFT calculation results.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Chemistry, Physical
Tahereh Ghaed-Sharaf, Akbar Omidvar
Summary: Increasing greenhouse gases emission causes global warming and threatens life on Earth. This study investigates the potential of ILs and DESs to capture CO2 and reduce emission. The findings from DFT and MD simulations suggest that IL shows a stronger interaction with CO2 than DES, and [Ger] anion in IL and DES exhibits the strongest interaction with CO2. These molecular level insights can aid experimentalists in finding efficient solvents for CO2 capture.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Engineering, Chemical
Shaohan Lian, Run Li, Zezhou Zhang, Qingling Liu, Chunfeng Song, Shijian Lu
Summary: The development of a defect-free composite membrane based on ADES and Pebax has shown higher CO2/N2 selectivity and outstanding gas separation performance. The study results indicate that this new membrane has potential applications in carbon capture.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Energy & Fuels
Naveed Ahmad, Xingyu Lin, Xiaoxiao Wang, Jian Xu, Xia Xu
Summary: Three methyldiethanolamine (MDEA) based deep eutectic solvents (DESs) were developed for efficient CO2 capture and regeneration. DFT calculation and MD simulations revealed that CO2 absorption performance depends on the hydrogen bond acceptor. The best performing [MEAHCl][MDEA] solvent, enhanced by additional MEA, showed excellent cyclic capacity after 5 regeneration cycles.
Article
Environmental Sciences
Fariba Zarei, Peyman Keshavarz
Summary: In this study, the use of metal/non-metal oxide nanoparticles improved CO2 absorption and desorption in MDEA-based nanofluid. Fe3O4 nanoparticles at 0.01 wt.% concentration showed the best influence on CO2 absorption, while CuO nanoparticles at 0.05 wt.% concentration had higher efficiency in CO2 desorption.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Environmental
Minseok Park, Seokho Kwon, Jihyeon Park, Jaehan Jo, Yunsung Yoo, Dongwoo Kang
Summary: Fossil-fuel-based power generation has been crucial for societal development, but it has led to severe climate change due to the high concentration of CO2 in the atmosphere. To address this issue, CO2 capture technologies have been continuously developed. First-generation CO2 absorbents, such as alkanolamines, have been widely used, while second-generation absorbents using ionic liquids have shown improved capacity and lower vapor pressure. However, these absorbents have limitations that hinder their commercialization. Recently, deep eutectic solvents (DESs) have gained attention as a potential solution. In this study, DESs with high CO2 capture performance were designed and synthesized using a novel approach, and their characteristics were analyzed.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Agricultural Engineering
Xiaocong Liang, Yongkang Guo
Summary: This study investigates the recovery and regeneration of choline-polyol DES using BMED with UF. The results show that this method can effectively recover DES with low energy consumption.
BIORESOURCE TECHNOLOGY
(2022)
Article
Engineering, Environmental
Yunsung Yoo, Dongwook Lee, Jinwon Park
Summary: This research discusses the feasibility of deep eutectic solvents (DESs) as alternatives to traditional absorbents, studying the impact of different CO2-philic functional groups on CO2 absorption through functionalization, contributing to mitigating CO2 emissions and developing carbon neutrality technology.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Engineering, Environmental
Yunsung Yoo, Dongwook Lee, Jinwon Park
Summary: In order to fulfill international commitments to net-zero carbon emissions, the development of efficient and non-toxic absorbents is crucial for carbon capture, utilization, and storage (CCUS) technology. Deep eutectic solvents (DESs) show promise as alternative absorbents, and their configurations and CO2 absorption properties are analyzed in this study.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Gyoung Gug Jang, Gang Seob Jung, Jiho Seo, Jong K. Keum, Mina Yoon, Josh T. Damron, Amit K. Naskar, Radu Custelcean, Abishek Kasturi, Sotira Yiacoumi, Costas Tsouris
Summary: This study investigates the solid fixation of CO2 in a solid form through solvation and ionic self-assembly-aided precipitation to improve energy efficiency. Na+ ions are introduced into an aqueous hexane-1,6-diamine solution where CO2 forms carbamate and bicarbonate. The Na+ ions in the solvent act as a seed for ionic self-assembly to form an intermediate ionic complex, which leads to the formation of an ionic solid that can be easily removed and heated to release the captured CO2. The study also finds that the organic carbamate/carbonate solid without NaHCO3 contains a significant amount of CO2, requiring lower energy.
Article
Environmental Sciences
Ting-Wei Lee, Yu-Hui Su, Chiaying Chen
Summary: Large amounts of waste isopropanol (IPA) are difficult to separate from the waste stream due to its azeotropic mixture with water. This study identified a novel CO2-switchable monoethanolamine-butanol deep eutectic solvent (DES) as an effective medium for separating IPA and water at ambient temperature. The developed process offers a low-cost, energy-saving, and environmentally benign route to recycling and repurposing waste IPA as a potential alternative fuel.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Toshimi Nakajima, Mao Kuragano, Makoto Yamada, Ryo Sugimoto
Summary: This study compared the contribution of submarine groundwater discharge (SGD) to river nutrient budgets at nearshore and embayment scales, and found that SGD-derived nutrients become more important at larger spatial scales.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Fan Liu, Lei Zhang, Chongyang Zhang, Ziguang Chen, Jingguang Li
Summary: NO2 emissions from wall-mounted gas stoves used for household heating have become a significant source of indoor pollution in Chinese urban areas. The high indoor concentration of NO2 poses potential health risks to residents. It is urgently necessary to establish relevant regulations and implement emission reduction technologies to reduce NO2 emissions from wall-mounted gas stoves.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Letter
Environmental Sciences
Hans Peter H. Arp, Raoul Wolf, Sarah E. Hale, Sivani Baskaran, Juliane Gluege, Martin Scheringer, Xenia Trier, Ian T. Cousins, Harrie Timmer, Roberta Hofman-Caris, Anna Lennquist, Andre D. Bannink, Gerard J. Stroomberg, Rosa M. A. Sjerps, Rosa Montes, Rosario Rodil, Jose Benito Quintana, Daniel Zahn, Herve Gallard, Tobias Mohr, Ivo Schliebner, Michael Neumann
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Philomina Onyedikachi Peter, Binessi Edouard Ifon, Francois Nkinahamira, Kayode Hassan Lasisi, Jiangwei Li, Anyi Hu, Chang-Ping Yu
Summary: This study investigates the relationship between dissolved organic matter (DOM) and Rare Earth Elements (REEs) in sediments from Yundang Lagoon, China. The results show four distinct fluorescent components, with protein-like substances being the most prevalent. Additionally, the total fluorescence intensity and LREE concentrations exhibit a synchronized increase from Outer to Inner to Songbai Lake core sediments. The findings demonstrate a strong correlation between DOM content and pollution levels.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Surya Gupta, Pasquale Borrelli, Panos Panagos, Christine Alewell
Summary: The objective of this study is to incorporate soil hydraulic properties into the erodibility factor (K) of USLE-type models. By modifying and improving the existing equations for soil texture and permeability, the study successfully included information on saturated hydraulic conductivity (Ksat) into the calculation of K factor. Using the Random Forest machine learning algorithm, two independent K factor maps with different spatial resolutions were generated. The results show that the decrease in K factor values has a positive impact on the modeling of soil erosion rates.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Jesmin Akter, Wendy J. M. Smith, Yawen Liu, Ilho Kim, Stuart L. Simpson, Phong Thai, Asja Korajkic, Warish Ahmed
Summary: The choice of workflow in wastewater surveillance has a significant impact on SARS-CoV-2 concentrations, while having minimal effects on HF183 and no effect on HAdV 40/41 concentrations. Certain components in the workflow can be interchangeable, but factors such as buffer type, chloroform, and homogenization speed can affect the recovery of viruses and bacteria.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Yu Luo, Xueting Yang, Diwei Wang, Hongmei Xu, Hongai Zhang, Shasha Huang, Qiyuan Wang, Ningning Zhang, Junji Cao, Zhenxing Shen
Summary: Atmospheric PM2.5, which can generate reactive oxygen species (ROS), is associated with cardiorespiratory morbidity and mortality. The study found that both the mass concentration of PM2.5 and the DTT activity were higher during the heating season than during the nonheating season. Combustion sources were the primary contributors to DTT activity during the heating season, while secondary formation dominated during the nonheating season. The study also revealed that biomass burning had the highest inherent oxidation potential among all sources investigated.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Erin L. Murphy, Leah R. Gerber, Chelsea M. Rochman, Beth Polidoro
Summary: Plastic pollution has devastating consequences for marine organisms. This study uses a trait-based framework to develop a vulnerability index for marine mammals, seabirds, and sea turtles in Hawai'i. The index ranks 63 study species based on their vulnerability to macroplastic pollution, providing valuable information for species monitoring and management priorities.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Kenji Maurice, Amelia Bourceret, Sami Youssef, Stephane Boivin, Liam Laurent-Webb, Coraline Damasio, Hassan Boukcim, Marc-Andre Selosse, Marc Ducousso
Summary: Growing pressure from climate change and agricultural land use is destabilizing soil microbial community interactions. Little is known about microbial community resistance and adaptation to disturbances, hindering our understanding of recovery latency and implications for ecosystem functioning. This study found that anthropic disturbance and natural disturbance have different effects on the topology and stability of soil microbial networks.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Yunhao Li, Yali Feng, Haoran Li, Yisong Yao, Chenglong Xu, Jinrong Ju, Ruiyu Ma, Haoyu Wang, Shiwei Jiang
Summary: Deep-sea mining poses a serious threat to marine ecosystems and human health by disturbing sediment and transmitting metal ions through the food chain. This study developed a new regenerative adsorption material, OMN@SA, which effectively removes metal ions. The adsorption mechanism and performance of the material for metal ion fixation were investigated.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Antonio Medici, Margherita Lavorgna, Marina Isidori, Chiara Russo, Elena Orlo, Giovanni Luongo, Giovanni Di Fabio, Armando Zarrelli
Summary: Valsartan, a widely used antihypertensive drug, has been detected in high concentrations in surface waters due to its unchanged excretion and incomplete degradation in wastewater treatment plants. This study investigated the degradation of valsartan and identified 14 degradation byproducts. The acute and chronic toxicity of these byproducts were evaluated in key organisms in the freshwater trophic chain.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Jiang Lin, Lianbao Chi, Qing Yuan, Busu Li, Mingbao Feng
Summary: This study investigated the photodegradation behavior and product formation of two representative pharmaceuticals in simulated estuary water. The study found that the formed transformation products of these pharmaceuticals have potential toxicity on marine organisms, including oxidative stress and damage to cellular components.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Hua Fang, Dongdong Jiang, Ye He, Siyi Wu, Yuehong Li, Ziqi Zhang, Haoting Chen, Zixin Zheng, Yan Sun, Wenxiang Wang
Summary: This study revealed that exposure to lower levels of air pollutants led to decreased pregnancy rates, with PM10, NO2, SO2, and CO emerging as the four most prominent pollutants. Individuals aged 35 and above exhibited heightened susceptibility to pollutants.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Ali Shaan Manzoor Ghumman, Rashid Shamsuddin, Amin Abbasi, Mohaira Ahmad, Yoshiaki Yoshida, Abdul Sami, Hamad Almohamadi
Summary: In this study, inverse vulcanized polysulfides (IVP) were synthesized by reacting molten sulfur with 4-vinyl benzyl chloride, and then functionalized using N-methyl D-glucamine (NMDG). The functionalized IVP showed a high mercury adsorption capacity and a machine learning model was developed to predict the amount of mercury removed. Furthermore, the functionalized IVP can be regenerated and reused, providing a sustainable and cost-effective adsorbent.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Rita Bonfiglio, Renata Sisto, Stefano Casciardi, Valeria Palumbo, Maria Paola Scioli, Erica Giacobbi, Francesca Servadei, Gerry Melino, Alessandro Mauriello, Manuel Scimeca
Summary: This study investigated the presence of aluminum in human colon cancer samples and its potential association with biological processes involved in cancer progression. Aluminum was found in tumor areas of 24% of patients and was associated with epithelial to mesenchymal transition (EMT) and cell death. Additional analyses revealed higher tumor mutational burden and mutations in genes related to EMT and apoptosis in aluminum-positive colon cancers. Understanding the molecular mechanisms of aluminum toxicity may improve strategies for the management of colon cancer patients.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)