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Environmental Science and Pollution Research International

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https://www.readbyqxmd.com/read/30022393/spatial-and-temporal-variations-in-the-geochemistry-of-shallow-groundwater-contaminated-with-nitrate-at-a-residential-site
#1
Eliot A Atekwana, Christopher J Geyer
The concentrations of nitrate (NO3 - ), major ions, and dissolved inorganic carbon (DIC) and the stable carbon isotopes of DIC (δ13 CDIC ) in shallow groundwater below a 45 × 60 m residential property was investigated over a period of 38 months. Our aim was to identify the processes which control the spatial and temporal distribution of NO3 - in the shallow groundwater and assess water-rock interactions linked to denitrification. Groundwater sampled quarterly from eight locations showed an average NO3 - concentration of 36...
July 19, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30022392/microscale-dispersion-behaviors-of-dust-particles-during-coal-cutting-at-large-height-mining-face
#2
Yao Xie, Weimin Cheng, Haiming Yu, Biao Sun
In order to ensure safe production and occupational health at a large-mining-height fully mechanized mining face in a coal mine, the present study firstly establishes an airflow-dust coupled model based on gas/solid two-phase flow equations and combines numerical simulation and field measurement for analyzing the dispersion pattern of dust particles with various sizes for different coal cutter locations. Results show that, due to the existence of drums, airflow deviates from the original direction and enters the footway...
July 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30022391/hair-mercury-concentrations-in-the-spotted-seal-phoca-largha-pups-from-the-sea-of-japan
#3
Alexey M Trukhin, Viktor V Kalinchuk
This publication presents the results of a study of the total mercury (THg) concentration in the fetal hair (lanugo) of the young spotted seals inhabiting the Peter the Great Bay, Sea of Japan. We analyzed samples from pups that were collected in 2014-2017 at the seal breeding grounds. The concentration of total mercury was determined by atomic absorption spectrometry. The concentration of THg ranged from 1.52 to 6.68 μg/g dry weight. Mercury concentration in the lanugo exceeds that found in the environment (bottom sediments, sea water) and in other animals inhabiting the Bay...
July 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30022390/recotox-a-french-initiative-in-ecotoxicology-toxicology-to-monitor-understand-and-mitigate-the-ecotoxicological-impacts-of-pollutants-in-socioagroecosystems
#4
Christian Mougin, Véronique Gouy, Vincent Bretagnolle, Julie Berthou, Patrick Andrieux, Patrick Ansart, Marc Benoit, Michaël Coeurdassier, Irina Comte, Cécile Dagès, Laurence Denaix, Sylvie Dousset, Laure Ducreux, Sabrina Gaba, Daniel Gilbert, Gwenaël Imfeld, Lucie Liger, Jérôme Molénat, Sylvain Payraudeau, Anatja Samouelian, Céline Schott, Gaëlle Tallec, Emma Vivien, Marc Voltz
RECOTOX is a cross-cutting initiative promoting an integrated research to respond to the challenges of monitoring, understanding, and mitigating environmental and health impacts of pesticides in agroecosystems. The added value of RECOTOX is to develop a common culture around spatial ecotoxicology including the whole chain of pressure-exposure-impact, while strengthening an integrated network of in natura specifically equipped sites. In particular, it promotes transversal approaches at relevant socioecological system scales, to capitalize knowledge, expertise, and ongoing research in ecotoxicology and, to a lesser extent, environmental toxicology...
July 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30022389/novel-magnetic-graphene-oxide-functionalized-cyanopropyl-nanocomposite-as-an-adsorbent-for-the-removal-of-pb-ii-ions-from-aqueous-media-equilibrium-and-kinetic-studies
#5
Mohammad Ali Gabris, Binta Hadi Jume, Mostafa Rezaali, Syed Shahabuddin, Hamid Rashidi Nodeh, Rahman Saidur
This work presents the synthesis of the novel silica-cyanopropyl functionalized magnetic graphene oxide (MGO/SiO2 -CN) hybrid nanomaterial derived by sol-gel method as a cheap efficient magnetic sorbent for the removal of extremely hazardous lead ions from aqueous media. The integration of the magnetic property, the carbon substrate, and the nitrile (-C ≡ N) containing organic grafted silica matrix promoted the adsorption capability against lead ions along with its simple synthesis recovery and low cost...
July 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30022388/study-on-the-removal-effect-and-influencing-factors-of-nitrobenzene-reduction-by-iron-carbonate-precipitates
#6
Tao Wei, Mei Hong, Lu Liu
To investigate the activity of iron carbonate precipitates produced by long-term operation of Fe0 permeable reactive barriers, three kinds of precipitates, namely Fe6 (OH)12 CO3 , Fe2 (OH)2 CO3 , and FeCO3 , were prepared to reduce the pollutant nitrobenzene. We studied the reduction effects of these iron carbonate precipitates on nitrobenzene by considering three factors, namely the initial nitrobenzene concentration, initial pH, and precipitate dosage, and established the kinetic degradation using pseudo-first-order kinetics model...
July 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30022387/leaching-of-metals-from-asphalt-pavement-incorporating-municipal-solid-waste-incineration-fly-ash
#7
Jin-Zhong Yang, Yufei Yang, Ying Li, Lin Chen, Jing Zhang, Qingqi Die, Yanyan Fang, Yueyi Pan, Qifei Huang
Rising municipal solid waste incineration (MSWI) makes it imperative to recycle the fly ash (FA). FA can be solidified by asphalt and then applied in the asphalt road. However, little information on the metal leaching and associated with risks from asphalt solidified forms for FA is available. In the present study, metal leaching characteristics and long-term leaching potential from the asphalt-based FA matrices was determined based on the national standard method and simulating the actual using of the solidified forms in highways, respectively...
July 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30019135/ecological-and-human-health-risk-assessments-in-the-context-of-soil-heavy-metal-pollution-in-a-typical-industrial-area-of-shanghai-china
#8
Jing Gao, Lucang Wang
The purpose of this study was to identify the concentrations, sources, and potential ecological and health risks of heavy metals in soils from a typical industrial area in Shanghai, China. A total of 28 surface soil samples were collected and analyzed for As, Cd, Cr, Cu, Pb, Ni, Zn, and Hg from the BAO steel industry in June and July 2016. Classic multivariate statistical and geostatistical analysis methods were used to detect the sources of heavy metals, and the ecological risk index (RI) and hazard index (HI) were calculated to assess the potential ecological and health risks...
July 17, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30019134/surfactants-in-the-sea-surface-microlayer-subsurface-water-and-fine-marine-aerosols-in-different-background-coastal-areas
#9
Suhana Shaharom, Mohd Talib Latif, Md Firoz Khan, Siti Norbalqis Mohd Yusof, Nor Azura Sulong, Nurul Bahiyah Abd Wahid, Royston Uning, Suhaimi Suratman
This study aims to determine the concentrations of surfactants in the surface microlayer (SML), subsurface water (SSW) and fine mode aerosol (diameter size < 1.5 μm) at different coastal stations in Peninsular Malaysia. The concentrations of anionic and cationic surfactants were determined through colorimetric methods as methylene blue active substances (MBAS) and disulphine blue active substances (DBAS), respectively. Water-soluble ions, for the determination of fine mode aerosol sources, were determined using ion chromatography (IC) for anions (SO4 2- , NO3 - , Cl- and F- ) and cations (Na+ , K+ , Ca2+ and Mg2+ )...
July 17, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30019133/performance-of-ceria-iron-oxide-nano-composites-based-on-chitosan-as-an-effective-adsorbent-for-removal-of-cr-vi-and-co-ii-ions-from-aqueous-systems
#10
Morshed Farokhi, Arsalan Parvareh, Mostafa Keshavarz Moraveji
A novel chitosan/ceria/iron oxide (CS/ceria/Fe3 O4 ) nano-composite adsorbent was synthesized for removal of Cr(VI) and Co(II) ions from aqueous systems in a batch system. The adsorbents were characterized by field emission scanning electron microscopy (FESEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), transmission electron microscopy (TEM), thermal gravimetric analysis (TGA), and Brunauer- Emmett-Teller (BET) analyses. The behavior of swelling kinetics was also studied. The effect of several adsorption parameters including CeO2 and Fe3 O4 contents, initial pH, contact time, initial Cr(VI) and Co(II) concentration, and temperature on the adsorption capacity was studied...
July 17, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30019132/investigation-on-spatiotemporal-distribution-of-aerosol-optical-properties-over-two-oceanic-regions-surrounding-indian-subcontinent-during-summer-monsoon-season
#11
Chaturvedula Viswanatha Vachaspati, Gurramkonda Reshma Begam, Yadiki Nazeer Ahammed, Kanike Raghavendra Kumar, Tuhin Kumar Mandel, Kotalo Rama Gopal, Rajuru Ramakrishna Reddy
Columnar spectral aerosol optical depths (AODs) and total suspended particulate matter (TSPM) concentrations were collected on board the Oceanographic Research Vessel (ORV) of Sagar Kanya (SK) during 7-21 June 2014 (SK-313) and 31 July-14 August 2015 (SK-323) over the Arabian Sea (AS) and Bay of Bengal (BoB), respectively, for the two successive years during summer monsoon season. AOD measured at 500 nm (AOD500 ) varied significantly from 0.08 to 0.66 (0.07 to 0.60), with a mean of 0.48 ± 0.13 (0.34 ± 0...
July 17, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30014370/determining-phytolith-occluded-organic-carbon-sequestration-using-an-upgraded-optimized-extraction-method-indicating-for-a-missing-carbon-pool
#12
Ning Han, Yufei Yang, Yang Gao, Zhuo Hao, Jing Tian, Tiantian Yang, Xianwei Song
Phytolith-occluded organic carbon (PhytOC) is considered one of the most promising terrestrial carbon (C) sinks. Different methods are used for phytolith extraction from wet-ashing techniques and the subsequent determination of PhytOC content from soil. This is in order to optimize the wet-ashing techniques and to improve estimation accuracy of C sequestration potential of phytoliths from soil. Results show that the organic matter removal and carbonate removal protocol, applying sonication, has a significant effect on phytolith extraction...
July 17, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30014369/global-trends-and-future-prospects-of-food-waste-research-a-bibliometric-analysis
#13
Min Zhang, Ming Gao, Siyuan Yue, Tianlong Zheng, Zhen Gao, Xiaoyu Ma, Qunhui Wang
The unregulated discharge reams of food waste (FW) causes severe resource loss and environmental pollution. In the present study, a bibliometric analysis was used for research activities and tendencies of food waste from 1991 to 2015. The results indicated that the amount of FW research continually grew by the years, and the number of publications rose significantly from 2012. Bioresource Technology and Waste Management were the two most frequently published journals in the field of FW research. China took a leading position and had a high h-index (38) out of 94 countries/territories, followed by the USA and South Korea...
July 17, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30014368/beneficial-effects-of-dietary-silver-nanoparticles-and-silver-nitrate-on-broiler-nutrition
#14
Ahmed A Saleh, Mohammed A El-Magd
This study was conducted to investigate the growth modulatory effects of dietary supplementation with silver nanoparticles (Ag NPs) and Ag nitrate on broiler chickens. Thirty 15-day-old chicks were equally divided into the control group (fed basal diets), the Ag-nano group (fed basal diets supplemented with 50 ppm/kg of Ag NPs for 12 d), and the Ag nitrate group (fed basal diets supplemented with 100 ppm/kg Ag nitrate for 12 days). Chicks fed Ag NPs showed increased body weight gain and muscle weight, improved feed efficiency, and increased ash digestibility, while Ag digestibility tend to increase but not significant...
July 17, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30014367/inactivation-of-influenza-a-virus-via-exposure-to-silver-nanoparticle-decorated-silica-hybrid-composites
#15
SungJun Park, Young-Seon Ko, Su Jin Lee, Cheonghoon Lee, Kyoungja Woo, GwangPyo Ko
Influenza A virus (IFV-A) is one of the main cause of seasonal flu and can infect various of host species via the reassortment of segmented RNA genomes. Silver nanoparticles (AgNPs) have been known as excellent antiviral agent against IFV. However, the use of free AgNPs has several major drawbacks, including the inherent aggregation among AgNPs and unwanted cytotoxic or genotoxic damages for human body via inhalation or ingestion. In this study, we assessed the efficacy of our novel ~ 30-nm-diameter AgNP-decorated silica hybrid composite (Ag30-SiO2 ; ~ 400 nm in diameter) for IFV-A inactivation...
July 16, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30014366/distribution-of-polybrominated-diphenyl-ethers-in-the-atmosphere-of-the-pearl-river-delta-region-south-china
#16
Jiawen Zhang, Jing Zhao, Jing Cai, Xiangying Zeng, Jun Li, Shutao Gao, Zhiqiang Yu
Air samples were collected from 26 air-monitoring stations located in the Pearl River Delta (PRD) and two in Shaoguan, South China, to investigate the spatial distribution and temporal changes in polybrominated diphenyl ethers (PBDEs) after the production and use of PBDE commercial formulations was restricted in China and the "dual transfer strategy" implemented by Guangdong Province. The spatial distribution of PBDEs was inhomogeneous in the PRD region, with concentrations ranging from 26.3 to 634 pg/m3 and a mean value of 105 pg/m3 ...
July 16, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30014365/effect-of-petroleum-derived-substances-on-life-history-traits-of-bird-cherry-oat-aphid-rhopalosiphum-padi-l-and-on-the-growth-and-chemical-composition-of-winter-wheat
#17
Milena Rusin, Janina Gospodarek, Aleksandra Nadgórska-Socha, Gabriela Barczyk, Elżbieta Boligłowa, Marzena Dabioch
The aim of the study was to determine the effects of various petroleum-derived substances (PDSs), namely petrol, diesel fuel, and spent engine oil, on life history traits of the bird cherry-oat aphid Rhopalosiphum padi L., and on the growth and chemical composition of its host plant-winter wheat Triticum aestivum L. Each substance was tested separately, using two concentrations (9 and 18 g kg-1 ). Plants were cultivated in both control and contaminated soils. In early October 2013, soil was contaminated and after 1 week, winter wheat seeds, 'Batuta' cultivar, were sown...
July 16, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30009359/monitoring-of-methane-emission-from-a-landfill-site-in-daily-and-hourly-time-scales-using-an-automated-gas-sampling-system
#18
Satoshi Izumoto, Shoichiro Hamamoto, Ken Kawamoto, Masanao Nagamori, Taku Nishimura
Landfill sites are significant sources of methane gas globally. Understanding the temporal variabilities of methane emissions from landfill sites is necessary for estimating such emissions. In this study, an automated monitoring system was used to monitor methane emission flux and concentration on daily and hourly time scales at a landfill site. Measured methane emission fluxes were almost negligible in the studied area. However, methane concentration at landfill surface at nighttime was significantly higher than those in the daytime, which demonstrates the importance of investigating methane emissions at an hourly time scale, including during nighttime...
July 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30008169/hydrogel-applications-for-adsorption-of-contaminants-in-water-and-wastewater-treatment
#19
Vinh Van Tran, Duckshin Park, Young-Chul Lee
During the last decade, hydrogels have been used as potential adsorbents for removal of contaminants from aqueous solution. To improve the adsorption efficiency, there are numerous different particles that can be chosen to encapsulate into hydrogels and each particle has their respective advantages. Depending on the type of pollutants and approaching method, the particles will be used to prepare hydrogels. The hydrogels commonly applied in water/wastewater treatment was mainly classified into three classes according to their shape included hydrogel beads, hydrogel films, and hydrogel nanocomposites...
July 14, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30008168/assessment-of-chromium-hyper-accumulative-behaviour-using-biochemical-analytical-techniques-of-greenhouse-cultivated-sonchus-asper-on-tannery-waste-dump-site-soils
#20
Ramkrishna Nirola, Bhabananda Biswas, Mallavarapu Megharaj, Avudainayagam Subramanian, Palanisami Thavamani, Rupak Aryal, Christopher Saint
Keeping the sources of pollution such as chromium (Cr) under a safe limit is a daunting challenge due to the negative impact of heavy metal bioaccumulation in vegetation and the concomitant human health exposure. We took a closer look at Sonchus asper by cultivating in the green house. It resulted in 80% germination when cultivated over nine different soils collected from the tannery dump site. The biochemical analytical techniques such as mass spectrometry indicated significant bioaccumulation of Cr in the plant tissue...
July 14, 2018: Environmental Science and Pollution Research International
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