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Environmental Geochemistry and Health

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https://www.readbyqxmd.com/read/28343275/potential-toxic-elements-in-stream-sediments-soils-and-waters-in-an-abandoned-radium-mine-central-portugal
#1
I M H R Antunes, A M R Neiva, M T D Albuquerque, P C S Carvalho, A C T Santos, Pedro P Cunha
The Alto da Várzea radium mine (AV) exploited ore and U-bearing minerals, such as autunite and torbernite. The mine was exploited underground from 1911 to 1922, closed in 1946 without restoration, and actually a commercial area is deployed. Stream sediments, soils and water samples were collected between 2008 and 2009. Stream sediments are mainly contaminated in As, Th, U and W, which is related to the AV radium mine. The PTEs, As, Co, Cr, Sr, Th, U, W, Zn, and electrical conductivity reached the highest values in soils collected inside the mine influence...
March 25, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28337622/harnessing-fertilizer-potential-of-human-urine-in-a-mesocosm-system-a-novel-test-case-for-linking-the-loop-between-sanitation-and-aquaculture
#2
Sukanta Rana, Jayanta Kumar Biswas, Jörg Rinklebe, Erik Meers, Nanthi Bolan
Human urine (HU) is a biogenic fertilizer which has raised immense interest owing to its capacity of combining sanitation and nutrient recovery. In search of an alternative organic fertilizer for fish culture, the nutrient potential of HU was evaluated. Fries of Indian carps and larvae of freshwater prawn were reared for 120 days under six conditions: (a) aerated and (b) non-aerated fresh HU (0.01%), (c) cattle manure (CM; 1.8 kg tank(-1)), mixed treatment with CM and HU under (d) iso-phosphorus and (e) iso-nitrogenous condition and (f) control...
March 23, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28337621/metal-contaminated-potato-crops-and-potential-human-health-risk-in-bolivian-mining-highlands
#3
Alan E Garrido, William H J Strosnider, Robin Taylor Wilson, Janette Condori, Robert W Nairn
This study assessed metals in irrigation water, soil and potato crops impacted by mining discharges, as well as potential human health risk in the high desert near the historic mining center of Potosí, Bolivia. Metal concentrations were compared with international concentration limit guidelines. In addition, an ingested average daily dose and minimum risk level were used to determine the hazard quotient from potato consumption for adults and children. Irrigation water maximum concentrations of Cd, Pb and Zn in mining-impacted sites were elevated 20- to 1100-fold above international concentration limit guidelines...
March 23, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28337620/date-palm-waste-derived-biochar-composites-with-silica-and-zeolite-synthesis-characterization-and-implication-for-carbon-stability-and-recalcitrant-potential
#4
Munir Ahmad, Mahtab Ahmad, Adel R A Usman, Abdullah S Al-Faraj, Adel Abduljabbar, Yong Sik Ok, Mohammad I Al-Wabel
Engineered organo-mineral composites were synthesized from date palm waste biochar and silica or zeolite via mechanochemical treatments. Date palm tree rachis (leaves) waste biomass was pre-treated with silica or zeolite minerals via ball milling and sonication prior to pyrolysis at 600 °C. The resultant organo-mineral composites and pristine materials were characterized using X-ray diffraction, thermogravimetric-differential thermal (TG-DTA), Fourier transform infrared, scanning electron microscope analyses and surface area and porosity analyzer to investigate the variations in physiochemical and structural characteristics...
March 23, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28332174/effects-of-carbon-nanotube-and-biochar-on-bioavailability-of-pb-cu-and-sb-in-multi-metal-contaminated-soil
#5
Meththika Vithanage, Indika Herath, Yaser A Almaroai, Anushka Upamali Rajapaksha, Longbin Huang, Jwa-Kyung Sung, Sang Soo Lee, Yong Sik Ok
This study examined the effects of carbon nanotube and biochar on the bioavailability of Pb, Cu and Sb in the shooting range soils for developing low-cost remediation technology. Commercially available multi-walled carbon nanotube (MWCNT) and biochar pyrolyzed from soybean stover at 300 °C (BC) at 0.5, 1 and 2.5% (w w(-1)) were used to remediate the contaminated soil in an incubation experiment. Both DTPA (bioavailable) and TCLP (leaching) extraction procedures were used to compare the metal/loid availability and leaching by the amendments in soil...
March 22, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28332173/combined-ultrasound-with-fenton-treatment-for-the-degradation-of-carcinogenic-polycyclic-aromatic-hydrocarbons-in-textile-dying-sludge
#6
Jian-Hao Zhang, Hai-Yuan Zou, Xun-An Ning, Mei-Qing Lin, Chang-Min Chen, Tai-Cheng An, Jian Sun
To develop an effective method to remove the toxic and carcinogenic polycyclic aromatic hydrocarbons (CPAHs) from textile dyeing sludge, five CPAHs were selected to investigate the degradation efficiencies using ultrasound combined with Fenton process (US/Fenton). The results showed that the synergistic effect of the US/Fenton process on the degradation of CPAHs in textile dyeing sludge was significant with the synergy degree of 30.4. During the US/Fenton process, low ultrasonic density showed significant advantage in degrading the CPAHs in textile dyeing sludge...
March 22, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28315117/the-evolution-of-pollution-profile-and-health-risk-assessment-for-three-groups-svocs-pollutants-along-with-beijiang-river-china
#7
Jiao Tang, Taicheng An, Jukun Xiong, Guiying Li
Three important groups of semi-volatile organic compounds (SVOCs), polycyclic aromatic hydrocarbons (PAHs), organic chlorinated pesticides (OCPs) and phthalate esters (PAEs), were produced by various human activities and entered the water body. In this study, the pollution profiles of three species including 16 PAHs, 20 OCPs and 15 PAEs in water along the Beijiang River, China were investigated. The concentrations of Σ16PAHs in the dissolved and particulate phases were obtained as 69-1.5 × 10(2) ng L(-1) and 2...
March 17, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28303454/concentrations-and-analysis-of-health-risks-of-ambient-air-metallic-elements-at-longjing-site-in-central-taiwan
#8
Guor-Cheng Fang, Yu-Cheng Chen, Chaur-Tsuen Lo, Meng-Hsien Cho, Yuan-Jie Zhuang, Kai-Hsiang Tsai, Chao-Yang Huang, You-Fu Xiao
The concentrations of particulates and metallic elements that were bound to total suspended particulates in ambient air at Long Cyuan Elementary School (LCYES), Lung Ching Elementary School (LCHES) and Long Shan Primary School (LSPS) sampling sites in the Longjing area were measured. Significant difference tests were conducted at LSPS, LCYES and LCHES sites. Finally, carcinogenic and non-carcinogenic risk values for LSPS, LCYES and LCHES sites in the Longjing district were evaluated. The results show that the most average particulate and metallic element concentrations were highest in October, November, January, February, March, April, August, and September The average particulate and metallic element concentrations at LCHES were higher than at the other sampling sites...
March 16, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28303453/altitudinal-patterns-and-controls-of-trace-metal-distribution-in-soils-of-a-remote-high-mountain-southwest-china
#9
Rui Li, Haijian Bing, Yanhong Wu, Jun Zhou, Zhongxiang Xiang
The aim of this study is to reveal the effects of regional human activity on trace metal accumulation in remote alpine ecosystems under long-distance atmospheric transport. Trace metals (Cd, Pb, and Zn) in soils of the Mt. Luoji, Southwest China, were investigated along a large altitudinal gradient [2200-3850 m above sea level (a.s.l.)] to elaborate the key factors controlling their distribution by Pb isotopic composition and statistical models. The concentrations of Cd, Pb, and Zn in the surface soils (O and A horizons) were relatively low at the altitudes of 3500-3700 m a...
March 16, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28299471/a-comparison-study-of-the-potential-risks-induced-in-arable-land-and-forest-soils-by-carcass-derived-pollutants
#10
Il Han, Keunje Yoo, Bo Ram Kang, Jee Hyun No, Gui Nam Wee, Muhammad Imran Khan, Tae Young Jeong, Tae Kwon Lee
Improper decisions concerning animal carcass disposal sites pose grave threats to environmental biosecurity. However, only a few studies have focused on the effects of different land-use types on the composition of carcass-derived pollutants and microbial responses to the disturbances. This study was conducted using soil microcosms with minced pork built from arable land and forest soils for 5 weeks. To compare the risk induced from different land-use types by carcass burial, the soil properties, the microbial community, and multiple-antibiotic-resistant bacteria were evaluated for microcosm containing 0, 1...
March 16, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28293749/metals-and-mineral-phases-of-dusts-collected-in-different-urban-parks-of-krakow-and-their-impact-on-the-health-of-city-residents
#11
Alicja Kicińska, Piotr Bożęcki
The authors present the results of chemical and mineralogical analyses of urban dusts collected in the spring seasons of 2015 and 2016 in three different parks of the Cracow agglomeration. The parks are located in the city centre, in the Nowa Huta industrial district and in a new housing development situated around 9 km west of the city centre. Mineralogical instrumental analyses included the SEM, FTIR and XRD methods and revealed that the dusts of Cracow are highly amorphous and contain significant amounts of hydrocarbons, whereas quartz, feldspars, kaolinite and gypsum are their crystalline phases...
March 14, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28293748/assessing-trace-metal-contamination-and-organic-matter-in-the-brackish-lakes-as-the-major-source-of-potable-water
#12
Vlado Cuculić, Neven Cukrov, Željko Kwokal, Slađana Strmečki, Marta Plavšić
On small and medium karstic coastal islands in the Adriatic Sea, brackish lakes are often the only source of freshwater. Therefore, it is important to adequately evaluate the biogeochemical processes occurring in these complex water systems, as well as to determine the origin of contaminants present. In this study, the distribution and origin of trace metals (Tl, Hg, Cd, Pb, Cu, Zn, Ni, Co) and organic matter in the water column, sediment, and surrounding soil of the brackish lakes on Mljet Island, South Adriatic Sea, Croatia, were evaluated...
March 14, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28289987/biochar-based-constructed-wetlands-to-treat-reverse-osmosis-rejected-concentrates-in-chronic-kidney-disease-endemic-areas-in-sri-lanka
#13
B C L Athapattu, T W L R Thalgaspitiya, U L S Yasaratne, Meththika Vithanage
The objectives were to investigate the potential remedial measures for reverse osmosis (RO) rejected water through constructed wetlands (CWs) with low-cost materials in the media established in chronic kidney disease of unknown etiology (CKDu) prevalent area in Sri Lanka. A pilot-scale surface and subsurface water CWs were established at the Medawachchiya community-based RO water supply unit. Locally available soil, calicut tile and biochar were used in proportions of 81, 16.5 and 2.5% (w/w), respectively, as filter materials in the subsurface...
March 13, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28283935/application-of-multivariate-statistical-analysis-in-the-pollution-and-health-risk-of-traffic-related-heavy-metals
#14
Mohammad Ebqa'ai, Bashar Ibrahim
This study aims to analyse the heavy metal pollutants in Jeddah, the second largest city in the Gulf Cooperation Council with a population exceeding 3.5 million, and many vehicles. Ninety-eight street dust samples were collected seasonally from the six major roads as well as the Jeddah Beach, and subsequently digested using modified Leeds Public Analyst method. The heavy metals (Fe, Zn, Mn, Cu, Cd, and Pb) were extracted from the ash using methyl isobutyl ketone as solvent extraction and eventually analysed by atomic absorption spectroscopy...
March 10, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28281141/oxidative-potential-op-and-mineralogy-of-iron-ore-particulate-matter-at-the-gol-e-gohar-mining-and-industrial-facility-iran
#15
Naghmeh Soltani, Behnam Keshavarzi, Armin Sorooshian, Farid Moore, Christina Dunster, Ana Oliete Dominguez, Frank J Kelly, Prakash Dhakal, Mohamad Reza Ahmadi, Sina Asadi
Concentrations of total suspended particulate matter, particulate matter with aerodynamic diameter <2.5 μm (PM2.5), particulate matter <10 μm (PM10), and fallout dust were measured at the Iranian Gol-E-Gohar Mining and Industrial Facility. Samples were characterized in terms of mineralogy, morphology, and oxidative potential. Results show that indoor samples exceeded the 24-h PM2.5 and PM10 mass concentration limits (35 and 150 µg m(-3), respectively) set by the US National Ambient Air Quality Standards...
March 9, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28281140/human-predisposition-to-cognitive-impairment-and-its-relation-with-environmental-exposure-to-potentially-toxic-elements
#16
Marina M S Cabral Pinto, A Paula Marinho-Reis, Agostinho Almeida, Carlos M Ordens, Maria M V G Silva, Sandra Freitas, Mário R Simões, Paula I Moreira, Pedro A Dinis, M Luísa Diniz, Eduardo A Ferreira da Silva, M Teresa Condesso de Melo
New lines of evidence suggest that less than 10% of neurodegenerative diseases have a strict genetic aetiology and other factors may be prevalent. Environmental exposures to potentially toxic elements appear to be a risk factor for Parkinson's, Alzheimer's and sclerosis diseases. This study proposes a multidisciplinary approach combining neurosciences, psychology and environmental sciences while integrating socio-economic, neuropsychological, environmental and health data. We present the preliminary results of a neuropsychological assessment carried out in elderly residents of the industrial city of Estarreja...
March 9, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28281139/spatial-distributions-source-apportionment-and-ecological-risk-of-svocs-in-water-and-sediment-from-xijiang-river-pearl-river-delta
#17
Jiao Tang, Taicheng An, Guiying Li, Chaohai Wei
Xijiang River is an important drinking water source in Guangxi Province, China. Along the Xijiang River and surrounding tributary, the pollution profile of three important groups of semi-volatile organic compounds, including polycyclic aromatic hydrocarbons (PAHs), organochlorine pesticides (OCPs) and phthalate esters (PAEs), was analyzed. Relatively low levels of PAHs (64-3.7 × 10(2) ng L(-1)) and OCPs (16-70 ng L(-1)), but high levels of PAEs (7.9 × 10(2)-6.8 × 10(3) ng L(-1)) occurred in the water...
March 9, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28258314/biosolids-application-affects-the-competitive-sorption-and-lability-of-cadmium-copper-nickel-lead-and-zinc-in-fluvial-and-calcareous-soils
#18
Sabry M Shaheen, Vasileios Antoniadis, Eilhann E Kwon, Jayanta K Biswas, Hailong Wang, Yong Sik Ok, Jörg Rinklebe
The objective of this research was to investigate the effects of biosolids on the competitive sorption and lability of the sorbed Cd, Cu, Ni, Pb, and Zn in fluvial and calcareous soils. Competitive sorption isotherms were developed, and the lability of these metals was estimated by DTPA extraction following their sorption. Sorption of all metals was higher in the fluvial than in the calcareous soil. Sorption of Cu and Pb was stronger than that of Cd, Ni, and Zn in all soils. Biosolids application (2.5%) reduced the sorption of all metals especially Cu and Pb (28-43%) in both soils (especially the calcareous soil) at the lower added metal concentrations (50 and 100 mg L(-1))...
March 3, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28251476/distribution-fractionation-and-risk-assessment-of-mercury-in-surficial-sediments-of-nansi-lake-china
#19
REVIEW
Wei Zhang, Feifei Cao, Liyuan Yang, Jierui Dai, Xugui Pang
Nansi Lake is composed of four sub-lakes from north to south: Nanyang Lake, Dushan Lake, Zhaoyang Lake and Weishan Lake. An environmental pollution investigation was carried out to determine the fractionation, and pollution assessments of mercury (Hg) in surficial sediments from Nansi Lake. Results showed that the mean concentration of Hg was 3.1 times higher than its background value (0.015 mg kg(-1)), and the high concentration of Hg which even reached up to five times than the background value in the part of Dushan Lake and Weishan Lake, which indicated that there are obvious spatial differences...
March 1, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28236208/seeking-evidence-of-multidisciplinarity-in-environmental-geochemistry-and-health-an-analysis-of-arsenic-in-drinking-water-research
#20
Abiodun D Aderibigbe, Alex G Stewart, Andrew S Hursthouse
A multidisciplinary approach to research affords the opportunity of objectivity, creation of new knowledge and potentially a more generally acceptable solution to problems that informed the research in the first place. It increasingly features in national programmes supporting basic and applied research, but for over 40 years, has been the arena for many research teams in environmental geochemistry and health. This study explores the nature of multidisciplinary research in the earth and health sciences using a sample selected from co-authored articles reporting research on arsenic (As) in drinking water from 1979 to 2013...
February 24, 2017: Environmental Geochemistry and Health
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