Article
Engineering, Environmental
Qi Wang, Raja-Louisa Mitchell, Roberta Hofman, Jianwei Yu, Min Yang, Luuk C. Rietveld, Frederik Zietzschmann
Summary: The study found that hydrophobicity interactions and pi-interactions increase the competitiveness of LMW DOM, with pi-interactions outweighing hydrophobic interactions. By using a bottom-up approach and model compounds, the research elucidated how DOM characteristics impact competitive adsorption.
Article
Engineering, Environmental
Jiachen Ma, Zhendong Yu, Shuting Liu, Yicong Chen, Yuancai Lv, Yifan Liu, Chunxiang Lin, Xiaoxia Ye, Yongqian Shi, Minghua Liu, Jingyang Tian
Summary: This study successfully enriched trace organochlorine pesticides in water using a novel functional electrospun nanofiber membrane PAN@COFs, demonstrating stable performance and high reusability. The experiment results showed outstanding adsorption performance of PAN@COFs on OCPs, with high enrichment factors and recovery rates in real water samples, confirming the feasibility of detecting trace OCPs. The synergy of pi-pi stacking interaction and hydrophobic interaction between OCPs molecules and PAN@COFs enabled efficient adsorption even under low driving force.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Engineering, Environmental
Kaiyue Yin, Juyuan Wang, Xiaofei Tian, Na Yu, Xuexue Zhang, Yingying Zhao, Yuehua Liu, Shunchang Sui, Cuiping Wang, Fei Lian, Sheng Zhai, Xiaoyun Li, Baoshan Xing
Summary: This study demonstrated that KMnO4 modified biochar had better adsorption and immobilization performance for tetracycline than pristine biochar. The loss of dissolved organic matters in biochar was found to significantly affect the adsorption of pollutants, and enhance the complexation between biochar and pollutants, thereby increasing the adsorption capacity and stability.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Nanoscience & Nanotechnology
Sumanta Let, Subhajit Dutta, Partha Samanta, Shivani Sharma, Sujit K. Ghosh
Summary: A cationic microporous composite polymer (120-TMA@Fe) with free exchangeable chloride anions and easy magnetic separation was successfully synthesized through post-polymerization structure modulation. This polymer demonstrated excellent adsorption proficiency for a wide range of organic micropollutants, with high uptake capacity and rapid kinetics. The material showed stability in harsh chemical conditions and complex real-world samples, along with outstanding regeneration performance for up to 10 cycles.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Engineering, Environmental
Ellen Edefell, Ola Svahn, Per Falas, Elina Bengtsson, Michael Axelsson, Regine Ullman, Michael Cimbritz
Summary: A large pilot-scale GAC filter was used to remove organic micropollutants in wastewater treatment, and the adsorption profiles and developments of micropollutants in the filter bed were studied. The study found that the adsorption rates and locations of micropollutants played a significant role in the removal efficiency.
Article
Environmental Sciences
L. Piai, S. Mei, K. van Gijn, A. Langenhoff
Summary: Improving the removal of micropollutants from wastewater effluent is crucial to protect surface water quality. This study investigates the factors that affect the performance of activated carbon filters in wastewater treatment compared to drinking water production. The results show that both the concentration and composition of organic matter play a role in the affinity of micropollutants for activated carbon and the adsorption rate. This knowledge can help develop strategies to overcome challenges in the application of activated carbon filters in water treatment.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
(2023)
Article
Environmental Sciences
Laura Piai, Jouke Dykstra, Albert van der Wal, Alette Langenhoff
Summary: Granular activated carbon (GAC) filtration is a vital technology for removing micropollutants from water. By introducing microorganisms capable of degrading micropollutants to GAC filters, the lifetime of the filters can be prolonged through enhanced biodegradation, contributing to lower pollutant concentrations in the effluent.
Article
Chemistry, Multidisciplinary
Taehoon Kim, Byungryul An
Summary: This study investigated the effect of hydrogen ions on the adsorption of inorganic contaminant phosphate onto granular activated carbon (GAC). It was found that the hydrochloric acid treatment enhanced phosphate adsorption efficiency on the GAC. While there were no significant differences in the physical properties of GAC under different initial pH conditions, the adsorption efficiency and optimal pH conditions varied.
APPLIED SCIENCES-BASEL
(2021)
Article
Environmental Sciences
Le Liu, Cheng Li, Ruite Lai, Haixiao Li, Lisong Lai, Xiaoning Liu
Summary: This study analyzed the effect of fertilizer-derived dissolved organic matter (DOM) on the adsorption of phenol by pine biochar. The results showed that adding DOM increased the adsorption efficiency of phenol by biochar.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2022)
Article
Environmental Sciences
Guangping Fan, Fei Tong, Weiguo Zhang, Gaoling Shi, Wei Chen, Lizhu Liu, Jiangye Li, Zhenhua Zhang, Yan Gao
Summary: This study compared the properties, molecule structures, and biotoxicity of hydrochar before and after tetrahydrofuran washing. The results showed a decrease in mass, changes in DOM molecule structure, but insignificant impact on wheat germination rate.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Engineering, Multidisciplinary
A. R. Solaimany Nazar, M. B. Kurade, M. Ali Khan, B-H Jeon
Summary: This study examined the adsorption of methylparaben (MP) on Calgon carbon (F400) and Norit-type Granular Activated Carbons (GACs) under different conditions. The influence of Humic Acid (HA) on MP adsorption was evaluated. The results showed that the Freundlich model well described the adsorption isotherms. The maximum adsorption capacities for MP on F400 and Norit GACs were 150 mg/g and 100 mg/g, respectively. Additionally, HA increased the adsorption capacity of MP on F400 GAC.
Article
Engineering, Environmental
Jieying Zhou, Yuan Zhang, Maria Balda, Volker Presser, Frank-Dieter Kopinke, Anett Georgi
Summary: Highly water-soluble, persistent, and mobile organic compounds (PMOCs) are frequently detected in surface and groundwater, posing potential threats to the environment and human health. Traditional water treatment methods are ineffective in removing PMOCs due to their hydrophilic nature. This study explores the use of electro-assisted sorption processes on activated carbon-based electrodes as a promising solution for efficient removal of PMOCs and potential on-site sorbent regeneration.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Environmental Sciences
Yuting Wang, Wenfei Yu, Zhaofeng Chang, Chanjuan Gao, Yanni Yang, Bei Zhang, Yanhua Wang, Baoshan Xing
Summary: This study investigated the adsorption characteristics of antibiotics in sandy soil in the presence of different sources of dissolved organic matter (DOM), showing that the properties and sources of DOM significantly affect the adsorption capacity of antibiotics, providing insights into the fate and risk assessment of antibiotics under the influence of DOM.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Ramesh Natarajan, Koyena Banerjee, Ponnusamy Senthil Kumar, Tanya Somanna, Diya Tannani, Varshni Arvind, Rohit Immanuel Raj, Dai-Viet N. Vo, Kongkona Saikia, Vinoth Kumar Vaidyanathan
Summary: The study successfully employed silica microspheres as an adsorbent to remove acetaminophen from wastewater with a high adsorption rate of 96.7%. Results indicated that under optimized conditions, the adsorbent had excellent removal efficiency for harmful substances.
Article
Environmental Sciences
Limei Mo, Qiaohui Wang, Erping Bi
Summary: The transport of organic contaminants in groundwater can be significantly influenced by the presence of dissolved organic matter (DOM) from various sources. This study investigated the impact of endogenous and exogenous DOM (referred to as DOMen and DOMex) on the sorption behavior of bisphenol A (BPA) onto two different soils. The results revealed that soil organic matter content and DOM properties played key roles in BPA sorption onto soils. Additionally, the presence of DOMen affected BPA sorption differently in the two soils due to differences in their inorganic components.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)