Article
Green & Sustainable Science & Technology
Xin Huang, Zengshuai Zhang, Xueli Ren, Peng Gu, Kunlun Yang, Hengfeng Miao
Summary: This research provides a comprehensive characterization of SMPs derived from municipal secondary effluent. The study finds that the hydrophobic fraction with low molecular weight compounds has the highest potential for disinfection by-product formation. Phospholipids and fatty acids with carboxyl functional groups are identified as the main chemical classes that promote the formation of haloacetic acids.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Agriculture, Multidisciplinary
Tosin Victor Adegoke, Bolei Yang, Fuguo Xing, Xiaoyu Tian, Gang Wang, Bowen Tai, Peidong Si, Sarfaraz Hussain, Israt Jahan
Summary: Mycotoxins, the most researched biological toxins, can contaminate food and feed, resulting in severe health implications for humans and animals. The use of microbial enzymes in biotransformation offers a promising method to mitigate mycotoxin contamination. Specific enzymes have advantages over whole microbial cells, including higher degradation rates and substrate specificity. However, there is a need to identify and utilize more novel microbial enzymes to effectively reduce mycotoxins.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2023)
Article
Environmental Sciences
Ting-Yang Lin, Wai Siong Chai, Shu-Jen Chen, Jeng-Ywan Shih, Apurav Krishna Koyande, Bing-Lan Liu, Yu-Kaung Chang
Summary: This study explored the potential of using eggshell waste as an adsorbent for the sequential removal of heavy metals, soluble microbial products, and dye wastes. The modified eggshell particles showed effective adsorption of CEW proteins and absorption of dyes, demonstrating a low-cost and simple method for treating wastewater.
Review
Agricultural Engineering
Zeba Usmani, Minaxi Sharma, James Gaffey, Monika Sharma, Richard J. Dewhurst, Benoit Moreau, John Newbold, William Clark, Vijay Kumar Thakur, Vijai Kumar Gupta
Summary: Dairy waste is a significant environmental hazard due to the presence of alkaline and acidic detergents and sterilizing agents. Utilizing microbial treatment for aerobic and anaerobic processing of dairy waste can generate biofertilizers, biofuels, power, and other biobased products in a sustainable and green manner.
BIORESOURCE TECHNOLOGY
(2022)
Article
Engineering, Environmental
Zheng Wang, Mengxiao Li, Yufeng Liao, Yang Pan, Chendong Shuang, Jun Li, Qing Zhou, Aimin Li
Summary: Carbon sources have a significant impact on biological denitrification in wastewater treatment and the formation of disinfection byproducts (DBPs). In this study, different carbon sources were used to derive soluble microbial products (SMPs) which served as precursors for the formation potential (FP) of 16 carbonaceous DBPs and 19 nitrogenous DBPs. The results showed that the choice of carbon source influenced the formation of DBPs and their genotoxicity.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Green & Sustainable Science & Technology
Gang Tang, Xiaolin Li, Zi Wang, Kai Wang, Binrui Li, Chongxuan Liu, Xing Zheng
Summary: The study investigated the dynamics of DOM and SMP in A(2)O units using fluorescence analysis, revealing the influence of temperature and influent quality on treatment efficiency and DOM quality. Strategies considering seasonal dynamics of DOM/SMP were recommended for strict effluent regulation and sustainability of water bodies. The fluorescence-derived information showed potential in indicating quantified DOM properties.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Environmental Sciences
Lingjiao Kong, Xianyang Shi
Summary: This study investigated the effects of three antibiotic mixtures on the performance, SMPs composition, and microbial community of UASBs. The results showed that antibiotic mixtures decreased the chemical oxygen demand removal efficiency and biogas content of the reactors, and influenced the composition and fluorescence intensity of SMPs. Moreover, antibiotics also had a significant impact on the microbial community structure.
Article
Environmental Sciences
Chen Tao, Wayne Parker, Pierre Berube
Summary: This study combines bioprocess modeling and advanced SMP characterization to reveal the association between biological processes and SMP formation in treating real wastewaters. The impact of low operating temperatures on SMP production was studied in detail, showing that the generation of BAP is more temperature sensitive. This process modeling can be used to optimize membrane processes design and operation under challenging conditions like low temperature.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Jr-Lin Lin, Aldeno Rachmad Ika
Summary: This study investigated the effects of pre-chlorination on Microcystis aeruginosa-laden water in different growth phases and the formation of carbonaceous disinfection by-products. The results showed that chlorination at the exponential phase led to faster and stronger degradation of algal cells, resulting in more significant viability loss and the formation of disinfection by-products, especially trihalomethanes. Pre-chlorination played a key role in the in-situ formation of disinfection by-products, with precursors contributing differently at each growth phase.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Yuanquan Xiang, Xian Lu, Yali Liu, Changye Yu, Huiting Yang, Naiyun Gao, Wenhai Chu, Yinjiang Zhang
Summary: This study investigated the influence of chemical speciation on the photolysis process of enrofloxacin (ENR) by UV irradiation. Results showed that the highest degradation rate was observed in the zwitterion form of ENR, and the presence of natural organic matter (NOM) and inorganic anions had different degrees of influences on ENR photodegradation. UV pretreatment resulted in a decrease in the formation of trichloromethane (TCM) and haloacetonitrile (HAN) during subsequent chlorination, with different effects at acidic, neutral, and alkalinity conditions.
Article
Engineering, Environmental
Ana Kovacic, Celine Gys, Martin Rafael Gulin, Tjasa Gornik, Tina Kosjek, David Heath, Adrian Covaci, Ester Heath
Summary: The study found that BPF and BPS degrade readily during biological wastewater treatment, with BPF degrading faster than BPS. The absence of any additional organic carbon source significantly slowed down the degradation rate, particularly for BPS. Machine learning algorithm identified new biotransformation products for both BPF and BPS, supporting possible new biodegradation pathways.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Agricultural Engineering
Xue Wan, Jingying Liu, Yan Zhang, Dong Tian, Yan Liu, Li Zhao, Mei Huang, Jinguang Hu, Fei Shen
Summary: Phosphoric acid plus hydrogen peroxide (PHP) pretreatment effectively fractionated lignocellulosic biomass into cellulose-rich polysaccharides, water-soluble polysaccharides, and lignin fractions, allowing for their further conversion into biofuel and biomaterials. The PHP treatment disrupted the recalcitrant structure of lignocellulose, removing nearly 100% hemicellulose and 50.5-83.6% lignin. It also enhanced the accessibility of cellulose hydrolytic enzymes, achieving 100% cellulose-glucose conversion and producing 18.4 g of bioethanol from 100 g of poplar hardwood. Additionally, PHP facilitated the production of water-soluble polysaccharides with a high carbohydrate purity (98.3%) and introduced carboxylic groups and aliphatic chains in lignin, enhancing its amphiphilic properties and forming stable lignin nanoparticles. This tailored PHP process enables the full conversion of agriculture and forestry residues into sustainable bioproducts.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Environmental Sciences
Muhammad Usman, Michael Huben, Takuro Kato, Christian Zwiener, Thomas Wintgens, Volker Linnemann
Summary: This study investigates the formation of disinfection by-products (DBPs) in thermal water pools, revealing the differences between thermal pools and freshwater pools or seawater pools in terms of DBP formation. The research on brominated and mixed halogenated DBPs in thermal pools is limited, leading to a knowledge gap in this area.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Chemistry, Multidisciplinary
Gwendolyn J. Gregory, Cong Wang, Sunitha Sadula, Sam Koval, Raul F. Lobo, Dionisios G. Vlachos, Eleftherios Terry Papoutsakis
Summary: There is limited research on microbial deconstruction or functionalization of polyolefin's recalcitrant backbone. However, microbes can utilize polyolefin deconstruction products. In this study, researchers combined chemical catalysis and bioconversion to valorize polyethylene (PE) deconstruction products. They found microbial consortia derived from soil from local recycling plants that can utilize the PE-deconstruction product mix as the sole carbon source.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Engineering, Environmental
Monica E. McFadden, Keith P. Reber, John D. Sivey, David M. Cwiertny, Gregory H. LeFevre
Summary: Microbial biotransformation of benoxacor and dichlormid primarily occurs via cometabolism, leading to the formation of novel products including monochlorinated species, glutathione conjugates, and sulfur-containing species. Dechlorination followed by conjugation with glutathione is proposed as the main transformation pathway.
ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS
(2023)
Review
Environmental Sciences
Attila Csaba Kondor, Anna Viktoria Vancsik, Laszlo Bauer, Lili Szabo, Zoltan Szalai, Gergely Jakab, Gabor Maasz, Marta Pedrosa, Maria Jose Sampaio, Ana Rita Lado Ribeiro
Summary: This review provides a critical overview of research on the removal efficiency of priority substances and compounds of emerging concern through bank filtration, discussing influencing factors and future challenges. The findings show that the efficiency of bank filtration is influenced by multiple factors and varies for different substances.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Xinyan Wang, Shuai Zhang, Huihui Yan, Zhao Ma, Yunshan Zhang, Haining Luo, Xueli Yang
Summary: This study investigated the association between ambient PM2.5, O3 pollution, and ovarian reserve in reproductive-aged Chinese women. The results showed that increased exposure to PM2.5 and O3 was associated with decreased AMH levels, indicating reduced ovarian reserve. Notably, the effects of O3 exposure on ovarian reserve were different from those of PM2.5 exposure.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Tingting Ma, Yanjuan Ding, Fengjiao Xu, Chen Zhang, Min Zhou, Ya Tang, Yanrong Chen, Yating Wen, Rufei Chen, Bin Tang, Shigui Wang
Summary: The dragonfly species Orthetrum albistylum can accumulate heavy metals, and its heat shock protein genes have the potential to serve as biomarkers for monitoring environmental pollutants.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Naoto Ishiwaka, Koya Hashimoto, Masayoshi K. Hiraiwa, Francisco Sanchez-Bayo, Taku Kadoya, Daisuke Hayasaka
Summary: Systemic insecticides and rising temperatures have combined effects on the abundance of Odonata nymphs in paddy fields. The standalone effect of insecticide exposure decreased the Odonata community, while nymphs decreased synergistically with temperature rise in paddy water. However, the impacts of each stressor alone varied among species.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Marco Vecchiato, Carlo Barbante, Elena Barbaro, Francois Burgay, Warren R. L. Cairns, Alice Callegaro, David Cappelletti, Federico Dallo, Marianna D'Amico, Matteo Feltracco, Jean-Charles Gallet, Andrea Gambaro, Catherine Larose, Niccolo Maffezzoli, Mauro Mazzola, Ivan Sartorato, Federico Scoto, Clara Turetta, Massimiliano Varde, Zhiyong Xie, Andrea Spolaor
Summary: The Arctic region is facing contamination from long-range pollution and local human activities. Polycyclic Aromatic Hydrocarbons (PAHs) are used as environmental indicators for emission, transport, and deposition processes. Research conducted in the Arctic surface snow in Ny-Ålesund, Svalbard from October 2018 to May 2019 shows that long-range inputs of PAHs mainly occur in winter, while the most abundant analyte retene exhibits opposite seasonal trends.
ENVIRONMENTAL POLLUTION
(2024)
Review
Environmental Sciences
Maoshui Zhuo, Zhijie Chen, Xiaoqing Liu, Wei Wei, Yansong Shen, Bing-Jie Ni
Summary: This paper discusses the application of three catalytic processes (photocatalysis, electrocatalysis, and biocatalysis) in the management of microplastic pollution, and introduces the efficiency and catalytic mechanisms of different catalysts. It also proposes the development prospects for sustainable management of microplastic pollution.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Shiyu Chen, Zhenzhen Shi, Qiang Zhang
Summary: In this study, a human physiologically based pharmacokinetic (PBPK) model of diethyl phthalate (DEP) was developed to assess its toxicity. The model considers the distribution and metabolism of DEP and its active metabolite monoethyl phthalate (MEP) in different tissue compartments. Sensitivity analysis and Bayesian Markov chain Monte Carlo (MCMC) simulations were performed to evaluate the uncertainty and variability of the model parameters. The results suggest that dermal absorption is an important route of exposure to DEP in the environment.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Bangguo Wang, Lijing Wang, Wenxi Cen, Tao Lyu, Peter Jarvis, Yang Zhang, Yuanxun Zhang, Yinghui Han, Lei Wang, Gang Pan, Kaili Zhang, Wei Fan
Summary: This study investigates the feasibility and mechanisms of a chemical-free nanobubble-based AOP for treating organic micropollutants in water. The results show that the oxygen nanobubble AOP has a significantly higher removal efficiency compared to air and nitrogen nanobubbles. The treatment performance is not affected by pH and the presence of ions. Higher initial concentrations of the micropollutant lead to slower treatment processes, but similar removal performance is achieved in the end. The presence of organic matter reduces the removal rate of the micropollutant. The results have practical feasibility for water and wastewater treatment.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Yingmei Huang, Jicai Yi, Yao Huang, Songxiong Zhong, Bin Zhao, Jing Zhou, Yuxuan Wang, Yiwen Zhu, Yanhong Du, Fangbai Li
Summary: This study investigates the impact of biochar on methylmercury (MeHg) accumulation in rice. The results show that biochar reduces MeHg levels in paddy soils by decreasing bioavailable Hg and microbial Hg methylation. Additionally, biochar decreases the uptake and translocation of MeHg in rice plants, resulting in a reduction of MeHg accumulation in rice grains.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Nengde Zeng, Fei Huang, Jiani Du, Chenghao Huang, Qian Yang, Xinhua Zhan, Baoshan Xing
Summary: This study investigates the protein targets and protein-ligand interactions related to PAH contamination in crop xylem sap using computational tools. The results show that phenanthrene has a more pronounced effect on the xylem sap proteins of maize and wheat, with maize DEPs associated with lipid biosynthesis and wheat DEPs exhibiting an increase in ABC transporters. This study provides insights into the regulation and movement of PAHs within plant xylem.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Xinwei Chen, Hao Ma, Run Wang, Man Wang, Binbin Zhu, Yanqing Cong, Xiayue Zhu, Guoqin Wang, Yi Zhang
Summary: Co3O4/TiO2-NRs electrodes with excellent photoresponse were prepared via plasma-assisted modification of Co3O4 on TiO2. The combination of Co3O4 and TiO2 improved the light utilization efficiency and showed potential for degradation of pollutants.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Wenjing Ji, Liying Song, Jing Wang, Hongqing Song
Summary: This study conducted a life-cycle assessment to examine the correlation between natural gas consumption and carbon emissions in different end uses in China. The results showed that both natural gas consumption and life-cycle carbon emissions have been increasing since 2017. Significant variations in NG life-cycle carbon emissions were found across different provinces and sectors, highlighting the need for targeted efforts to reduce carbon emissions.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Youyi Chen, Boxuan Zhang, Pojun Zhang, Guogui Shi, Hao Liang, Wu Cai, Jingyu Gao, Sumin Zhuang, Kaiyin Luo, Jiaqi Zhu, Chaoxiang Chen, Kunyu Ma, Jinrong Chen, Chun Hu, Xueci Xing
Summary: The synergistic effects of trace sulfadiazine and cast-iron corrosion scales on the formation of disinfection by-products in drinking water distribution systems were investigated. The presence of magnetite resulted in increased concentrations of DBPs due to the higher microbial activity and enhanced microbial extracellular electron transport pathway. The study highlights the importance of considering trace antibiotics pollution and corrosion scales in water sources for DBP control.
ENVIRONMENTAL POLLUTION
(2024)
Review
Environmental Sciences
Bishwa Raj Pokharel, Vijay Sheri, Manoj Kumar, Zhiyong Zhang, Baohong Zhang
Summary: This review summarizes the interactions, uptake, and transport of aluminum nanoparticles (Al-NPs) in plants, highlighting their negative effects on plant growth and development, as well as their potential to alter plant defense systems and gene expression.
ENVIRONMENTAL POLLUTION
(2024)
Article
Environmental Sciences
Yonglu Wang, Fengsong Zhang, Xiaoyong Liao, Xiao Yang, Guixiang Zhang, Liyun Zhang, Chaojun Wei, Pengge Shi, Jiongxin Wen, Xiaorong Ju, Can Xu, Yang Liu, Ying Lan
Summary: This study aims to explore the effects of thiencarbazone-methyl center dot isoxaflutole on soil microflora and the potential mitigation mechanisms to bacterial communities. It was found that increasing the application of thiencarbazone-methyl center dot isoxaflutole resulted in increased stress on soil bacterial community structure and diversity. Increasing soil pH was recognized as a key factor in improving the diversity and structure of soil microflora. Supplemental use of nitrapyrin or modified attapulgite can increase soil pH and improve bacterial diversity.
ENVIRONMENTAL POLLUTION
(2024)