Article
Chemistry, Physical
Inga Zinicovscaia, Nikita Yushin, Doina Humelnicu, Dmitrii Grozdov, Maria Ignat, Ionel Humelnicu
Summary: This study investigated the recovery of indium using silica SBA-15 and titanosilicate ETS-10 under different conditions. The results showed that ETS-10 achieved maximum indium removal at pH 3.0, while SBA-15 performed best within the pH range of 5.0-6.0. The indium adsorption on SBA-15 followed the Elovich model, while its sorption on ETS-10 fitted the pseudo-first-order model. Langmuir and Freundlich adsorption isotherms were used to explain the equilibrium of the sorption process. Rating: 8/10
Article
Environmental Sciences
Jaimy Scaria, P. V. Nidheesh
Summary: This study compares the pre-oxidation of pharmaceutical wastewater using hydroxyl radical and sulfate radical based advanced oxidation processes. The heterogeneous Fenton process shows the highest efficiency in TOC removal, while persulfate activation requires an additional treatment step to reduce COD and inorganics.
ENVIRONMENTAL RESEARCH
(2023)
Article
Chemistry, Physical
Anton Puga, Emilio Rosales, Marta Pazos, Maria Angeles Sanroman
Summary: The synthesis of an iron catalyst (Fe-DES) was proposed in this work, which was characterized physically and chemically. The Fe-DES was shown to be a multipurpose catalyst that can be applied in various processes for the removal of pharmaceuticals in wastewater.
Article
Engineering, Environmental
Klara Rusevova Crincoli, Scott G. Huling
Summary: For the first time, the fate of radicals in heterogeneous chemical oxidation treatment systems was studied, with UV-AHP and UV-APS generating center dot OH and SO4 center dot- radicals that impact treatment efficiency. The higher scavenging rates of center dot OH by alumina and aqueous/solid phase constituents, compared to SO4 center dot-, contributed to lower treatment efficiency in the UV-AHP system. The cost assessment based on overall treatment efficiency showed higher specific cost for treating the probe compound with UV-AHP due to its lower treatment efficiency compared to UV-APS.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Applied
Vahide Nuran Mutlu, Selahattin Yilmaz
Summary: The glycosidation of glucose with n-butanol was studied using sulphated Zr and tungstophosphoric acid incorporated SBA-15 catalysts, showing improved acidity and higher yields of butyl glucoside. The TPA-SBA-15 catalyst demonstrated the highest activity and selectivity, with stable and reusable performance. Further studies on reaction temperature and catalyst amount were conducted to optimize the reaction parameters.
Article
Engineering, Environmental
Lingwei Gao, Yang Guo, Juhong Zhan, Gang Yu, Yujue Wang
Summary: This study evaluated the effects of various quenchers on the mechanism of a cobalt mediated peroxymonosulfate (Co(II)/PMS) process and found that these quenchers not only quench target reactive species but also cause interference effects. Therefore, caution should be exercised when applying the quenching method to investigate the mechanism of the persulfate-based process.
Review
Engineering, Environmental
Xiaoxian Zheng, Xiaojun Niu, Dongqing Zhang, Mengyu Lv, Xingyao Ye, Jinling Ma, Zhang Lin, Mingli Fu
Summary: This article reviews the recent research progress on various metal-based catalysts for persulfate (PS) and peroxymonosulfate (PMS) activation, highlighting their activation mechanisms and fundamental behaviors in eliminating contaminants through radical and non-radical reaction pathways. Metal-based materials have been proven to be effective heterogeneous catalysts for degrading a wide range of organic pollutants, showing potential for practical applications in environmental remediation.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Energy & Fuels
Norshakirah Ahmad Rashidi, Elnida Mustapha, Yeow Yean Theng, Noor Azira Abdul Razak, Najihah Abdul Bar, Khairul Basyar Baharudin, Darfizzi Derawi
Summary: Waste cooking oil is an attractive feedstock for producing advanced biofuels due to its low cost and abundant availability. This study focused on the synthesis and analysis of mesoporous bimetallic catalysts for the catalytic deoxygenation of waste cooking oil. The results showed that the catalyst with 10% Ni-Fe/SBA-15 had the highest liquid yield but low selectivity towards the diesel fraction, while the catalyst with 5% Ni-Co/SBA-15 had the highest selectivity towards the diesel fraction.
Article
Engineering, Environmental
Yixin Huang, Jing Zou, Jinbin Lin, Haoyu Yang, Mengyun Wang, Jiawen Li, Wei Cao, Baoling Yuan, Jun Ma
Summary: This study discovers that 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonate) (ABTS) can serve as both an activator and an electron shuttle to enhance the activation of peroxydisulfate (PDS) and enhance the degradation of diclofenac (DCF). The PDS/ABTS system generates multiple reactive species, with ABTS(center dot+) and (OH)-O-center dot directly contributing to the degradation of DCF. The PDS/ABTS system shows good anti-interference capacity and further improved performance can be achieved by encapsulating ABTS into cellulose.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Qingtao Niu, Guodong Liu, Zhiguo Lv, Chongdian Si, Manman Jin
Summary: Three two-dimensional hybrid materials based on SBA-15 were successfully synthesized using a post-synthetic functionalization strategy, where peroxo-W and PW species were immobilized on the surface. The catalysts showed significant activity for cyclopentene epoxidation using H2O2 as the oxidant, with SBA-15-ImCl-PF6-W catalyst exhibiting excellent selectivity and SBA-15-NH(PO3H2)-W catalyst showing good cycle performance. The environmentally-friendly process utilized a low dose of heterogeneous catalyst and green oxidant without any co-solvent.
Article
Engineering, Environmental
Zixuan Zhao, Yunhe Li, Yuerong Zhou, Yilong Hou, Zhengyi Sun, Wenhao Wang, Jianfeng Gou, Xiuwen Cheng
Summary: In recent years, sulfite (S(IV)) has been used as an alternative to persulfates to remove antibiotics in wastewater. However, there is a need for a cheap, environmentally friendly, and effective catalyst. This study used a micron-scale iron-carbon composite (mZVI@C-800) coupled with S(IV) to degrade metronidazole (MNZ). The results showed that the MNZ removal rate reached 81.5% under optimized reaction conditions. The introduction of carbon enhanced the corrosion of mZVI, releasing more Fe2+ and improving the efficiency.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Engineering, Environmental
Anaelle Gabet, Helene Metivier, Christine de Brauer, Gilles Mailhot, Marcello Brigante
Summary: UVB radiation is more efficient in generating radicals, while the persulfate system shows higher efficiency in oxidant precursors. The Yeast Estrogen Screen assay is used to track estrogen degradation and ensure removal of estrogenic activity.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Engineering, Environmental
Boyin Yan, DongChuan Xu, Zhiquan Liu, Jiangzhou Tang, Rui Huang, Min Zhang, Fuyi Cui, Wenxin Shi, Chun Hu
Summary: The degradation of BMAA in the UV254/persulfate system follows a pseudofirst-order kinetic model, with SO4· identified as the major radical contributing to the degradation. The pH significantly affects the degradation rate, with the highest rate achieved at pH 8. However, the presence of water matrix components inhibits the degradation process.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Environmental
Xingyun Hu, Feng Zhu, Linghao Kong, Xianjia Peng
Summary: This study proposes a new method to remove chloride ion (Cl(-I)) from strongly acidic wastewater using thermal activated persulfate (PS), achieving over 96% removal of Cl(-I) under optimized conditions. The key step for Cl(-I) removal was identified as the formation of ?Cl or ?Cl2? from the oxidation of Cl(-I) by ?SO4? and ?OH, with estimated contribution ratios of 67.4% and 32.6%, respectively.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Engineering, Environmental
Zhenran Wang, Jiewen Deng, Yunlan Peng, Shixiang Wang, Yongsheng Fu, Yiqing Liu
Summary: This study demonstrates the effective removal of diclofenac (DCF) using the Cu(II)/hydroxylamine (HAm)/peroxydisulfate (PDS) system under neutral conditions. The introduction of HAm significantly enhances the degradation of DCF by accelerating the Cu(I)/Cu(II) cycle. The study also investigates the effects of various operational parameters and water matrix components on DCF degradation. Additionally, the Cu(II)/HAm/PDS system shows potential for degrading other emerging organic contaminants.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Environmental Sciences
Elizabeth Alvarez-Chavez, Stephane Godbout, Mylene Genereux, Caroline Cote, Alain N. Rousseau, Sebastien Fournel
Summary: This study evaluated the effect of alternative filtering materials and bed aeration on the retention of nutrients and fecal bacteria in woodchip bedded stand-off pads for cows. The results showed that the alternative biofilters were more efficient in removing COD, SS, TN, and NO3-N, while conventional biofilters were more efficient for PO4-P removal. Aeration did not have a significant effect under the tested temperature conditions.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Yike Zhang, Zengyi Ma, Zhuoting Fang, Yuandong Qian, Zhiping Huang, Yilong Ye, Jianhua Yan
Summary: This study investigates the application of oxygen enrichment melting technology in the melting of municipal solid waste incineration fly ash. The results demonstrate that oxygen enrichment technology can reduce energy consumption and operating costs, as well as decrease pollution emissions.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Liangang Xiao, Mingkai Leng, Philip Greenwood, Rongqin Zhao, Zhixiang Xie, Zengtao You, Junguo Liu
Summary: This study investigates the effects of grazing exclusion on soil organic carbon (SOC) accumulation and vegetation recovery. It finds that grazing exclusion can increase the potential for SOC accumulation, and higher annual precipitation is positively correlated with SOC accumulation.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Beatrice Cantoni, Jessica Ianes, Beatrice Bertolo, Selena Ziccardi, Francesco Maffini, Manuela Antonelli
Summary: This study evaluates the performance of ozonation and adsorption as in-series processes compared to standalone processes for the removal of Contaminants of Emerging Concern (CECs) in drinking water. The combination of both processes proves to be more effective than adsorption and ozonation alone. Ozonation improves the adsorption performance of poorly-oxidizable CECs but worsens that of well-oxidizable compounds. This research highlights the importance of considering both processes in the removal of CECs in drinking water treatment plants.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Dan Li, Bingjun Liu, Yang Lu, Jianyu Fu
Summary: A new Standardized compound Drought and Saltwater intrusion Index (SDSI) was developed to detect changes in the severity of CDSEs in six estuaries. The study found that saltwater intrusion plays a dominant role in influencing SDSI severity, and CDSEs vary in frequency, duration and severity among different estuaries.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Yong-Qiang Li, Rui Sun, Chong-Miao Zhang, Zi-Xuan Liu, Rui-tao Chen, Jian Zhao, Hua-dong Gu, Huan-Cai Yin
Summary: In this study, an electron beam excitation multi-wavelength ultraviolet (EBE-MW-UV) system was established and found to have significantly higher microbial inactivation effects compared to single-wavelength UV-LEDs in water. Mechanism analysis revealed that EBE-MW-UV damaged microbial DNA and proteins, and generated additional reactive oxygen species, leading to microbial inactivation.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Kaili Ma, Xinxin Han, Qiujuan Li, Yu Kong, Qiaoli Liu, Xu Yan, Yahong Luo, Xiaopin Li, Huiyang Wen, Zhiguo Cao
Summary: This study reveals that the use of a tryptophan-degrading microbial consortium (TDC) can enhance the hydrolysis efficiency of waste activated sludge (WAS), increasing the yield and quality of short chain fatty acids (SCFAs) and improving the solubilization and release of organic substances from WAS.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Ling Xiong, Rui Li
Summary: Incorporating Ecosystem Service Value (ESV) into land use planning can provide informed land management decisions. This study evaluates the ESV of Guizhou Province in China's karst region. The results show an increase in total ESV over the past two decades due to ecological restoration projects.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
M. Geetha Jenifel
Summary: This article discusses the importance of water and the pollution of freshwater resources, and introduces the use of machine learning models and blockchain technology to predict and protect water quality.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Stanslaus Terengia Materu, Taotao Chen, Chang Liu, Daocai Chi, Meng Jun
Summary: The study showed that H2SO4-modified biochar can reduce P leaching, increase soil available P, and enhance plant P uptake in alternate wetting and drying irrigation systems. Biochar additions B20A and IAWDB20A-M were effective in improving yield, reducing P leaching, and increasing APB.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Amir Nouri, Ali Akbar Zinatizadeh, Sirus Zinadini, Mark Van Loosdrecht
Summary: This study focuses on the development of an air-lift bio-electrochemical reactor (ALBER) with a continuous feeding regime to enhance nitrogen removal from synthetic wastewater. The effect of temperature, hydraulic retention time (HRT), N -NH+4 /TN ratio, and current density on the reactor performance was investigated, and the ALBER achieved a maximum TN removal of 73%. The results suggest that the ALBER has potential for treating industrial wastewater at low temperatures.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Peifang Wang, Guoxiang You, Yang Gao, Juan Chen, Xun Wang, Chao Wang
Summary: This study investigated the ecological processes of microbial communities and N- and P-transformation processes in multistage agricultural drainage ditches. The results showed that the microbial communities were co-shaped by agricultural practices and ditch size, which further governed the N and P removal performance.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Xiaofeng Niu, Huan Wang, Tao Wang, Peiyu Zhang, Huan Zhang, Hongxia Wang, Xianghong Kong, Songguang Xie, Jun Xu
Summary: Microorganisms play a critical role in maintaining ecosystem balance, and environmental stressors can affect the assembly processes of microbial communities. The study found that different stressors have opposite effects on microbial community assembly in water and sediment, and warming has different influences compared to herbicides and nutrients.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Yuqing Tan, Qiming Cheng, Fengwei Lyu, Fei Liu, Linhao Liu, Yihong Su, Shaochun Yuan, Wenyu Xiao, Zhen Liu, Yao Chen
Summary: The exacerbation of global warming, extreme weather events, and rapid urbanization have led to increased flooding in urban areas. China has adopted sponge city as an efficient means of preventing and controlling urban floods. Using a SWMM-FVCOM model, the hydrological reduction and control effect of sponge city construction (SPCC) within a university campus were evaluated. The study found that implementing SPCC effectively mitigates surface runoff and reduces the severity of urban flooding. However, the efficacy of runoff control decreases with longer rainfall return periods.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Zhonghan Chen, Qiuyan Li, Shibo Yan, Juan Xu, Qiaoyun Lin, Zhuangming Zhao, Ziying He
Summary: Tidal rivers are important biochemical reaction channels, receiving carbon from wastewater and agricultural drains, affecting CO2 emissions. Through modeling and data analysis, researchers explored carbon distribution, emissions, and greenhouse effects, emphasizing the potential of river management to change global CO2 emissions under climate change.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)