Article
Horticulture
Rui Zhu, Xinqi Huang, Jinbo Zhang, Zucong Cai, Xun Li, Teng Wen
Summary: Increasing soil water content and maize straw application rate can accelerate the removal of excess sulfate and nitrate, elevate soil pH, and produce more organic acids which can inhibit soil-borne pathogens. RSD treatment significantly improved soil properties, but maize straw application rate over 5 g kg(-1) is needed for effectiveness.
Article
Materials Science, Multidisciplinary
Mohamed Afqir, Mohamed Elaatmani, Abdelouahad Zegzouti, Nabiha Tahiri, Mohamed Daoud
Summary: The bismuth layer ferroelectric materials have been studied for their potential applications in high-temperature piezoelectricity and non-volatile ferroelectric memories. Electrical properties of strontium bismuth niobate ceramics were investigated. The variable range hopping theory was found to be suitable for describing the behavior of the ceramic compound, suggesting the presence of oxygen vacancies acting as polarons. The charge carriers' short-distance mobility caused by the non-Debye process dominantly contributed to the relaxation mechanism.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2023)
Article
Engineering, Environmental
Asa E. Carre-Burritt, Daniel J. Van Hoomissen, Shubham Vyas
Summary: Perfluoroalkyl carboxylic acids (PFCAs) are widespread contaminants known for their resistance to degradation and harmful effects on the environment. Using activated persulfate to degrade PFCAs may be influenced by the acidic environment.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Ruiqing Li, Yuyu Guo, Guifeng Ma, Daniel T. Sun, Ju Lin, Tianwei Xue, Rongxing Qiu, Sen Yan, Shuliang Yang, Yanliang Wang, Yanzhen Hong, Yuzhong Su, Hongtao Wang, Li Peng, Jun Li
Summary: Poly(ionic liquid)s (PILs) show great potential for constructing efficient and stable heterogeneous Fenton catalysts due to their adjustable chemical structure, abundant active sites, and compatibility with various substances. In this study, an iron-based PIL/polydopamine (PDA) composite (PDVIm-Fe/PDA) is successfully synthesized for the degradation of organic contaminants. The composite exhibits high degradation efficiency for malachite green (MG), with a degradation rate constant of 1.95 min(-1) and a catalytic degradation rate of 0.79 g((MG)) g((PDVIm-Fe/PDA))(-1) min(-1), surpassing most reported heterogeneous catalysts. The composite also shows excellent stability, recyclability, and versatility for the degradation of other organic pollutants, making it a promising candidate for practical wastewater treatment applications.
ENVIRONMENTAL SCIENCE-NANO
(2023)
Article
Engineering, Mechanical
E. Rodriguez, N. Rivera, A. Fernandez-Gonzalez, T. Perez, R. Gonzalez, A. Hernandez Battez
Summary: This study focuses on the electrical compatibility of three automatic transmission fluids (ATFs) in electrified drivelines and their changes in electrical conductivity during oxidation. The results indicate that the higher content of additive leads to lower variations in electrical conductivity, and electrical conductivity measurements are more suitable for monitoring oil thermo-oxidative degradation at initial stages compared to FT-IR measurements. While conventional ATFs maintain good electrical compatibility in electrified drivelines, their materials compatibility and copper corrosion protection for electrical components should also be tested.
TRIBOLOGY INTERNATIONAL
(2022)
Article
Agronomy
Geoffrey C. Anderson, Shahab Pathan, David J. M. Hall, Rajesh Sharma, James Easton
Summary: Aluminum toxicity is a significant limitation to crop production in South Western Australia. This study investigated the impact of surface-applied lime and gypsum on soil solution chemistry in water limited environments. The results showed that gypsum application increased soil solution ionic strength in the short term, while a combination of lime and gypsum led to decreased Toxic-Al in the long term.
Article
Environmental Sciences
Jie Gao, Yuting Wei, Huan Zhao, Danni Liang, Yinchang Feng, Guoliang Shi
Summary: This study explores the role of source emission in sulfate aqueous formation using chemical thermodynamics and kinetics models and positive matrix factorization models. The results indicate that sulfate formation is mainly through the H2O2 pathway, and secondary nitrate sources may be related to sulfate formation from the H2O2 pathway. The study also finds that coal combustion and vehicle exhaust have significant effects on sulfate aqueous formation, and aerosol acidity plays a key role in sulfate formation.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Chemistry, Multidisciplinary
Kejian Li, Kedong Gong, Juan Liu, Lukas Ohnoutek, Jianpeng Ao, Yangyang Liu, Xi Chen, Guanjun Xu, Xuejun Ruan, Hanyun Cheng, Jin Han, Guodong Sui, Minbiao Ji, Ventsislav K. Valev, Liwu Zhang
Summary: In this study, it was found that decreasing the diameter of microdroplets significantly increases the reaction rate of dye oxidation using Fe(III)-oxalate photochemistry and g-C3N4 photocatalysis. This rate increase is attributed to the change in interface properties of microdroplets. The results of this study have important implications for improving the efficiencies of photochemistry and photocatalysis, as well as atmospheric photochemistry.
CELL REPORTS PHYSICAL SCIENCE
(2022)
Article
Engineering, Environmental
Shibao Chen, Li Chen, Duo Wang, Meng Wang
Summary: This study reveals a key mechanism controlling Cd stabilization in soil, providing a quantitative and mechanistic understanding of Cd remobilization. The study also suggests that under highly reducing soil conditions, methanogenesis outcompetes sulfate reduction for available electrons.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Shenyang Xu, Xinghua Tan, Wangyang Ding, Wenju Ren, Qi Zhao, Weiyuan Huang, Jiajie Liu, Rui Qi, Yongxin Zhang, Jiachao Yang, Changjian Zuo, Haocheng Ji, Hengyu Ren, Bo Cao, Haoyu Xue, Zhihai Gao, Haocong Yi, Wenguang Zhao, Yinguo Xiao, Qinghe Zhao, Mingjian Zhang, Feng Pan
Summary: Cathode materials in Li-ion batteries function as both Li+ diffusion hosts and electron transport frameworks. In this study, a unique strategy to improve rate performance by enhancing surface electric conductivity was proposed. By constructing a disordered rock-salt phase at the surface of LiCoO2, the surface electric conductivity was increased by over one magnitude. This led to higher effective voltage imposed in the bulk, resulting in improved Li+ extraction/insertion and superior rate capability (154 mAh g(-1) at 10 C) and cycling performance (93 % after 1000 cycles at 10 C) of LiCoO2. The universality of this strategy was confirmed by another surface design and simulation.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Environmental Sciences
Jianwen Han, Mingyue Wang, Nan Wang, Jiawen Wang, Jie Peng, Chunhui Feng
Summary: The rapid and efficient acquisition of field-scale farmland soil profile moisture-distribution information is crucial for achieving precise irrigation. In this study, the EM38-MK2 device was used to accurately detect the spatial variation of soil moisture in cotton fields. By comparing the predicted field irrigation with the actual irrigation, it was found that significant water savings could be achieved.
Article
Construction & Building Technology
Xin Liu, Pan Feng, Wei Li, Guoqing Geng, Jiale Huang, Yun Gao, Song Mu, Jinxiang Hong
Summary: pH plays a crucial role in the deterioration behavior of C-S-H during sulfate attack, with lower pH aggravating decalcification and higher alkalinity enhancing resistance. Under low-pH sulfate attack, C-S-H exhibits a relatively loose structure with increased mean chain length and proportion of large pores.
CEMENT AND CONCRETE RESEARCH
(2021)
Article
Construction & Building Technology
Xin Liu, Pan Feng, Xiaohan Yu, Jiale Huang
Summary: This paper systematically investigates the calcium leaching behavior induced by chloride ions, sulfate ions, and the coupling of these two in C-S-H. It is found that the decalcification of C-S-H is strongly dependent on pH, the type of anions, and the initial Ca/Si of C-S-H samples. Sulfate ions exaggerate the leaching of calcium to a larger extent than chloride ions, while high pH of the aggressive solution presents higher resistance to decalcification. Saline water has a more severe effect on the decalcification of C-S-H with low Ca/Si.
CONSTRUCTION AND BUILDING MATERIALS
(2022)
Article
Chemistry, Physical
Giedrius Girskas, Ina Pundiene, Jolanta Pranckeviciene
Summary: The synthesis of zeolites from difficult-to-utilise waste materials can create more financially attractive and efficient synthetic zeolites, which can be used to accelerate the hydration rate of fresh cement paste by substituting part of the cement.
Article
Engineering, Environmental
Duk-Min Kim, Woong-Lim Lim, Dae-Gyu Im, Jung-Woo Hwang, Soonyoung Yu, Seong-Taek Yun, Jeong-Hee Kim
Summary: The fractionation behaviors of Cu and Zn isotopes were studied in groundwater contaminated with petroleum and treated by oxidation. The study assessed the isotopes of Cu, Zn, SSO4, and H2O2 in wells contaminated with total petroleum hydrocarbons (TPH) and treated with H2O2 in 2021 and 2022. The results suggested the occurrence of sulfate reduction and precipitation of Cu sulfides, while the Zn isotopic fingerprint of sulfide precipitation may have been masked by sorption. The use of Cu isotopes in redox reactions proved advantageous due to the wider range of Cu isotopes.
JOURNAL OF HAZARDOUS MATERIALS
(2023)