77,180 results match your criteria degradation soil


Reducing arsenic toxicity using the interfacial oxygen nanobubble technology for sediment remediation.

Water Res 2021 Sep 11;205:117657. Epub 2021 Sep 11.

Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; Integrated Water-Energy-Food Facility (iWEF), School of Animal, Rural, and Environmental Sciences, Nottingham Trent University, Nottinghamshire NG25 0QF, United Kingdom. Electronic address:

The arsenic (As)-bearing eutrophic waters may suffer from the dual conditions of harmful algal blooms and release of As, driven by algal-induced hypoxia/anoxia. Here, we investigate the use of interfacial oxygen (O) nanobubble technology to combat the hypoxia and control As exposure in simulated mesocosm experiments. It was observed that remediation of algal-induced hypoxia at the sediment-water interfaces (SWI) by application of O nanobubbles reduced the level of dissolved As from 23. Read More

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September 2021

Adaptation mechanisms of arsenic metabolism genes and their host microorganisms in soils with different arsenic contamination levels around abandoned gold tailings.

Environ Pollut 2021 Aug 19;291:117994. Epub 2021 Aug 19.

School of Chemical & Environmental Engineering, China University of Mining & Technology Beijing, Beijing, 100083, China. Electronic address:

Soil around the gold tailing due to the smelting process of wastewater and solid waste can lead to metal (loids) contamination, especially arsenic (As). Soil microorganisms have gradually evolved adaptive mechanisms in the process of long-term adaptation to As contamination. However, comprehensive investigations on As metabolism genes and their host microbial communities in soil profiles with different levels under long-term As contamination are lacking. Read More

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Physiological, proteomic, and metabolomic analysis provide insights into Bacillus sp.-mediated salt tolerance in wheat.

Plant Cell Rep 2021 Sep 21. Epub 2021 Sep 21.

Key Laboratory of Oasis Ecology Agriculture of Xinjiang Bingtuan, Shihezi University, North 4th Street No. 221, Shihezi, 832003, Xinjiang, China.

Key Message: Herein, the inoculation with strain wp-6 promoted the growth of wheat seedlings by improving the energy production and conversion of wheat seedlings and alleviating salt stress. Soil salinization decreases crop productivity due to high toxicity of sodium ions to plants. Plant growth-promoting rhizobacteria (PGPR) have been demonstrated to alleviate salinity stress. Read More

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September 2021

Transcriptome analysis provides new insights into the tolerance and reduction of Lysinibacillus fusiformis 15-4 to hexavalent chromium.

Appl Microbiol Biotechnol 2021 Sep 21. Epub 2021 Sep 21.

School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China.

Microbial bioremediation of Cr(VI)-contaminated environments has drawn extensive concern. However, the molecular processes underlying the microbial Cr(VI) tolerance and reduction remain unclear. We isolated a Cr(VI)-reducing Lysinibacillus fusiformis strain 15-4 from soil on the Qinghai-Tibet Plateau. Read More

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September 2021

Metagenomic analysis of microbial communities across a transect from low to highly hydrocarbon-contaminated soils in King George Island, Maritime Antarctica.

Geobiology 2021 Sep 20. Epub 2021 Sep 20.

Instituto de Microbiologia Prof. Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.

Soil samples from a transect from low to highly hydrocarbon-contaminated soils were collected around the Brazilian Antarctic Station Comandante Ferraz (EACF), located at King George Island, Antarctica. Quantitative PCR (qPCR) analysis of bacterial 16S rRNA genes, 16S rRNA gene (iTag), and shotgun metagenomic sequencing were used to characterize microbial community structure and the potential for petroleum degradation by indigenous microbes. Hydrocarbon contamination did not affect bacterial abundance in EACF soils (bacterial 16S rRNA gene qPCR). Read More

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September 2021

Paracoccus and Achromobacter bacteria contribute to rapid biodegradation of imidacloprid in soils.

Ecotoxicol Environ Saf 2021 Sep 17;225:112785. Epub 2021 Sep 17.

Shandong Provincial Key Laboratory of Applied Microbiology, Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan 250103, China. Electronic address:

Neonicotinoids are among the most widely used insecticides worldwide, and as such, have garnered increasing attention from the scientific community in regards to their potentially negative environmental impacts. Recently, the degradability of neonicotinoid in soil has gained more attentions. However, what role soil microbes play in this degradation remains vastly underexplored. Read More

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September 2021

Biochar reduced extractable dieldrin concentrations and promoted oligotrophic growth including microbial degraders of chlorinated pollutants.

J Hazard Mater 2021 Sep 9;423(Pt B):127156. Epub 2021 Sep 9.

Department of Animal, Plant and Soil Sciences, Centre for AgriBioScience, La Trobe University, Melbourne Campus, Bundoora, VIC 3086, Australia. Electronic address:

The role of organic amendments for natural degradation of aged persistent organic pollutants (POPs) in agricultural soils remains controversial. We hypothesised that organic amendments enhance bacterial activity and function at the community level, facilitating the degradation of aged POPs. An incubation study was conducted in a closed chamber over 12 months to assess the effects of selected organic amendments on extractable residues of aged dieldrin. Read More

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September 2021

Enhanced Cr(VI) reduction on natural chalcopyrite mineral modulated by degradation intermediates of RhB.

J Hazard Mater 2021 Sep 14;423(Pt B):127206. Epub 2021 Sep 14.

School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, Southern University of Science and Technology, Shenzhen 518055, China. Electronic address:

Wastewater with complex compositions of both heavy metals and organic pollutants is of critical environmental and socioeconomic threat worldwide, which urgently requires feasible remediation technologies to target this challenge. In this study, natural chalcopyrite (CuFeS, NCP), the most abundant copper-based mineral in the Earth's crust, has been discovered to be a heterogeneous catalyst that can activate peroxydisulfate (PDS) for the simultaneous degradation of organic pollutant Rhodamine B (RhB) and reduction of hexavalent chromium (Cr(VI)). Batch experimental results indicate that both RhB and Cr(VI) could be simultaneously removed under a near-neutral condition in NCP/PDS combined system. Read More

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September 2021

Multimedia fate model and risk assessment of typical antibiotics in the integrated demonstration zone of the Yangtze River Delta, China.

Sci Total Environ 2021 Sep 14;805:150258. Epub 2021 Sep 14.

Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, TX, 78712,USA.

Due to the widespread consumption of antibiotics by humans and animals, antibiotic residues from human and animal excrements are released into the environment through domestic sewage and breeding wastewater, which ultimately affect the ecological environment and human health. In this study, the concentrations of 10 antibiotics in the air, water, soil, and sediment from 2013 to 2019 in Qingpu District of the integrated demonstration zone of the Yangtze River Delta were predicated by developing a dynamic Level IV fugacity model. The influence of seasonal environmental factors (e. Read More

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September 2021

Inhibition of gibberellin accumulation by water deficiency promotes fast and long-term 'drought avoidance' responses in tomato.

New Phytol 2021 Sep 19. Epub 2021 Sep 19.

Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot, 76100, Israel.

Plants reduce transpiration to avoid dehydration during drought episodes by stomatal closure and inhibition of canopy growth. Previous studies suggest that low gibberellin (GA) activity promotes these 'drought avoidance' responses. Using genome editing, molecular, physiological and hormone analyses, we examined if drought regulates GA metabolism in tomato (Solanum lycopersicum) guard cells and leaves, and studied how this affects water loss. Read More

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September 2021

Efficiency and Quantitative Structure-Activity Relationship of Monoaromatics Oxidation by Quinone-Activated Persulfate.

Front Chem 2021 1;9:580643. Epub 2021 Sep 1.

State Environmental Protection Key Laboratory of Soil Environmental Management and Pollution Control, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, China.

Quinones and quinone-containing organics have potential of activating persulfate to produce sulfate radical. In this work, the optimal condition for quinone activation of persulfate was investigated. It was found representative monoaromatics were degraded fastest in alkaline environment (pH 10. Read More

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September 2021

Unraveling salt-responsive tissue-specific metabolic pathways in olive tree.

Physiol Plant 2021 Sep 19. Epub 2021 Sep 19.

Laboratory of Pomology, Department of Horticulture, Aristotle University of Thessaloniki, Thessaloniki, Greece.

Salinity is a serious constraint that reduces olive crop productivity. Here, we defined metabolite and gene expression changes in various tissues of olive trees (cv. 'Chondrolia Chalkidikis') exposed to 75 mM NaCl for 45 days. Read More

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September 2021

Soil degradation in the European Mediterranean region: Processes, status and consequences.

Sci Total Environ 2021 Sep 4;805:150106. Epub 2021 Sep 4.

Department of Physical Geography and Bolin Centre for Climate Research, Stockholm University, SE-106 91 Stockholm, Sweden; Navarino Environmental Observatory, Costa Navarino, Navarino Dunes Messinia 24001, Greece; Department of Sustainable Development, Environmental Science and Engineering, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden.

Soil, a non-renewable resource, sustains life on Earth by supporting around 95% of global food production and providing ecosystem services such as biomass production, filtration of contaminants and transfer of mass and energy between spheres. Unsustainable management practices and climate change are threatening the natural capital of soils, particularly in the Mediterranean region, where increasing population, rapid land-use changes, associated socio-economic activities and climate change are imposing high pressures on the region's shallow soils. Despite evidence of high soil susceptibility to degradation and desertification, the true extent of soil degradation in the region is unknown. Read More

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September 2021

Cadmium-induced changes in composition and co-metabolism of glycerolipids species in wheat root: Glycerolipidomic and transcriptomic approach.

J Hazard Mater 2021 Sep 4;423(Pt B):127115. Epub 2021 Sep 4.

Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan 430070, China; State Environmental Protection Key Laboratory of Soil Health and Green Remediation, Wuhan 430070, China. Electronic address:

Lipids are the structural constituents of cell membranes and play crucial roles in plant adaptation to abiotic stresses. The aim of this study was to use glycerolipidomic and transcriptomic to analyze the changes in lipids metabolism induced by cadmium (Cd) exposure in wheat. The results indicated that Cd stress did not decrease the concentrations of monogalactosyldiacyglycerol (MGDG), phosphatidylcholine (PC), lysophosphatidylcholine (LPC) and phosphatidic acid at 6 h, but decreased digalactosyldoacylglycerol (DGDG), MGDG, PC, phosphatidylethanolamine (PE), phosphatidylglycerol (PG), phosphatidylserine (PS) and LPC concentrations in wheat root at 24 h. Read More

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September 2021

Melatonin alleviates aluminum-induced growth inhibition by modulating carbon and nitrogen metabolism, and reestablishing redox homeostasis in Zea mays L.

J Hazard Mater 2021 Sep 12;423(Pt B):127159. Epub 2021 Sep 12.

College of Agriculture, Shanxi Agricultural University, Taigu, Shanxi 030800, China. Electronic address:

Melatonin, a regulatory molecule, performs pleiotropic functions in plants, including aluminum (Al) stress mitigation. Here, we conducted transcriptomic and physiological analyses to identify metabolic processes associated with the alleviated Al-induced growth inhibition of the melatonin-treated (MT) maize (Zea mays L.) seedlings. Read More

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September 2021

Persistent organic pollutants: The trade-off between potential risks and sustainable remediation methods.

J Environ Manage 2021 Sep 15;300:113737. Epub 2021 Sep 15.

Department of Materials, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, Quito, 170525, Ecuador. Electronic address:

Persistent Organic Pollutants (POPs) have become a very serious issue for the environment because of their toxicity, resistance to conventional degradation mechanisms, and capacity to bioconcentrate, bioaccumulate and biomagnify. In this review article, the safety, regulatory, and remediation aspects of POPs including aromatic, chlorinated, pesticides, brominated, and fluorinated compounds, are discussed. Industrial and agricultural activities are identified as the main sources of these harmful chemicals, which are released to air, soil and water, impacting on social and economic development of society at a global scale. Read More

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September 2021

Degradation of glyphosate in water by the application of surface corona discharges.

Water Sci Technol 2021 Sep;84(5):1293-1301

Faculty of Agriculture and Environmental Sciences, Soil Science, University of Rostock, Justus-von-Liebig-Weg 6, 18051 Rostock, Germany.

Glyphosate (GLP) is one of the most widely applied herbicides, and is found ubiquitously in the environment. The removal of glyphosate from waste water and soil is challenging and can be achieved with chemical or biological methods, which, nevertheless, suffer from different disadvantages. The application of a physical plasma for the removal of GLP in water was examined by the application of surface corona discharges in a wire-to-cylinder setup filled with argon. Read More

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September 2021

Biomass, carbon stock and sequestration potential of Oxytenanthera abyssinica forests in Lower Beles River Basin, Northwestern Ethiopia.

Carbon Balance Manag 2021 Sep 17;16(1):29. Epub 2021 Sep 17.

International Bamboo and Rattan Organization, Beijing, 100102, China.

Background: Given the large bamboo resource base with considerable potential to act as an important carbon sink, Ethiopia has included bamboo in the national Reducing Emissions from Deforestation and Forest Degradation and enhancing forest carbon stocks (REDD+) and Clean Development Mechanisms (CDM) programs. However, little is known about the carbon stock and sequestration potential of bamboo forests. As a result, this research was conducted to quantify the carbon sequestration and storage capacity of Oxytenanthera abyssinica forests in the Lower Beles River Basin, northwestern Ethiopia. Read More

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September 2021

Amlodipine removal via peroxymonosulfate activated by carbon nanotubes/cobalt oxide (CNTs/CoO) in water.

Environ Sci Pollut Res Int 2021 Sep 16. Epub 2021 Sep 16.

State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, People's Republic of China.

Amlodipine (AML) is an effective drug that has been widely used for hypertension and angina. However, AML is frequently detected in aqueous environments, posing potential risks to human and ecological health. In this study, the degradation of AML via peroxymonosulfate (PMS) activated by CNTs/CoO was investigated. Read More

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September 2021

Comparative Inter- and IntraSpecies Transcriptomics Revealed Key Differential Pathways Associated With Aluminium Stress Tolerance in Lentil.

Front Plant Sci 2021 31;12:693630. Epub 2021 Aug 31.

International Center for Agriculture Research in the Dry Areas, New Delhi, India.

Aluminium stress causes plant growth retardation and engenders productivity loss under acidic soil conditions. This study accentuates morpho-physiological and molecular bases of aluminium (Al) tolerance within and between wild (ILWL-15) and cultivated (L-4602 and BM-4) lentil species. Morpho-physiological studies revealed better cyto-morphology of tolerant genotypes over sensitive under Al stress conditions. Read More

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From the soil to the clinic: the impact of microbial secondary metabolites on antibiotic tolerance and resistance.

Nat Rev Microbiol 2021 Sep 16. Epub 2021 Sep 16.

Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA.

Secondary metabolites profoundly affect microbial physiology, metabolism and stress responses. Increasing evidence suggests that these molecules can modulate microbial susceptibility to commonly used antibiotics; however, secondary metabolites are typically excluded from standard antimicrobial susceptibility assays. This may in part account for why infections by diverse opportunistic bacteria that produce secondary metabolites often exhibit discrepancies between clinical antimicrobial susceptibility testing results and clinical treatment outcomes. Read More

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September 2021

Effects of fertilizer practice on fungal and actinobacterial cellulolytic community with different humified particle-size fractions in double-cropping field.

Sci Rep 2021 Sep 16;11(1):18441. Epub 2021 Sep 16.

Hunan Soil and Fertilizer Institute, Changsha, 410125, China.

Cellulose plays an important role in maintaining or improving soil carbon (C) cycling and soil fertility of paddy field. There had close relationship between functional cellulose genes (cbhI and GH48) with characterize of soil organic matter chemical components (fulvic acid and humic acid) and soil physical fractions. However, there is still limited information about how functional cellulose degradation response to long-term fertilizer management and their relative importance for C sequestration under the double-cropping rice paddy field in southern of China. Read More

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September 2021

AMPA-N - Synthesis and application as standard compound in traceable degradation studies of glyphosate.

Ecotoxicol Environ Saf 2021 Sep 14;225:112768. Epub 2021 Sep 14.

Leibniz-Institute for Catalysis, Catalysis with renewable resources, Albert-Einstein-Str. 29a, 18059 Rostock, Germany; Paderborn University, Department of Chemistry and Center for Sustainable Systems Design (CSSD), Warburger Straße 100, 33098 Paderborn, Germany.

Stable isotope labeling of pollutants is a valuable tool to investigate their environmental transport and degradation. For the globally most frequently used herbicide glyphosate, such studies have, so far, been hampered by the absence of an analytical standard for its labeled metabolite AMPA-N, which is formed during the degradation of all commercially available glyphosate isotopologues. Without such a standard, detection and quantitation of AMPA-N, e. Read More

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September 2021

Photodegradation of microplastics mediated by different types of soil: The effect of soil components.

Sci Total Environ 2021 Aug 28;802:149840. Epub 2021 Aug 28.

College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China. Electronic address:

Microplastics (MPs) have attracted considerable attention due to its worldwide distribution, environmental persistence, and ecological risks. In this work, the photodegradation of MPs mediated by five different types of soils were investigated. The results showed: after 20 d of xenon lamp irradiation, significant degradation of MP was observed on Harbin (S1), Huainan (S2), Jiangxi (S3), Shaanxi (S4) and Hainan (S5). Read More

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Carbon dioxide emission control of a vermicompost process using fly ash.

Sci Total Environ 2021 Sep 4;803:150069. Epub 2021 Sep 4.

Universidad Católica del Norte, Facultad de Ciencias del Mar, Escuela de Prevención de Riesgos y Medioambiente, Coquimbo, Chile.

Composting and vermicomposting generate a valuable product rich in plant nutrients and at the same time, reduce environmental pollution. However, along with these processes and in relation to the metabolism of the microorganism and the worms present in the vermicomposting, CO is emitted to the atmosphere, contributing to the greenhouse effect. Taking these issues into account, different masses of fly ash were used to study the control of the CO of the gas coming from a vermicomposting process and to evaluate the possibility of using the adsorbent as fertilizer in the culture of lettuce Lactuca sativa. Read More

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September 2021

Inoculation of Neurospora sp. for improving ammonia production during thermophilic composting of organic sludge.

Sci Total Environ 2021 Aug 26;802:149961. Epub 2021 Aug 26.

School of Environment and Society, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan.

Recent attempts have been made to develop a thermophilic composting process for organic sludge to not only produce organic fertilizers and soil conditioners, but to also utilize the generated ammonia gas to produce high value-added algae. The hydrolysis of organic nitrogen in sludge is a bottleneck in ammonia conversion, and its improvement is a major challenge. The present study aimed to elucidate the effects of inoculated Neurospora sp. Read More

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Contrasting sources and fate of nitrogen compounds in different groundwater systems in the Central Yangtze River Basin.

Environ Pollut 2021 Sep 6;290:118119. Epub 2021 Sep 6.

State Environmental Protection Key Laboratory of Source Apportionment and Control of Aquatic Pollution, Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, China University of Geosciences, Wuhan, 430078, China; School of Environmental Studies, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430078, China.

Although groundwater nitrogen pollution has been widely studied, the control of hydrogeological conditions on behavior of nitrogen compounds has been poorly understood. In this study, multiple stable isotopes (N/C/H/O), spectral characteristics of DOM coupled with water chemistry were used to reveal the sources and fate of nitrate and ammonium in three subareas with different hydrogeological conditions in the Central Yangtze River Basin. We identified three contrasting patterns of nitrogen sources and fate in groundwater controlled by different aquifer features. Read More

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September 2021

Static modelling of the material flows of micro- and nanoplastic particles caused by the use of vehicle tyres.

Environ Pollut 2021 Sep 3;290:118102. Epub 2021 Sep 3.

University of Natural Resources and Life Sciences, Institute of Waste Management, Muthgasse 107, 1190, Vienna, Austria.

The emissions of tyre wear particles (TWPs) into the environment are increasing and have negative impacts on the environment and human health. The aim of this study was therefore to establish a mass balance for vehicle tyres und TWP emissions in Austria using static material flow analysis, which enabled a quantification of mass flows of rubber including carbon black as the most mass-relevant tyre filler. Vehicle-specific and mileage-dependent emission factors were used to calculate the TWP emissions. Read More

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September 2021

Column tests for evaluation of the enzymatic biodegradation capacity of hydrocarbons (C-C) contaminated soil.

Environ Pollut 2021 Aug 17;290:117986. Epub 2021 Aug 17.

TechnoRem Inc., 4701, rue Louis-B.-Mayer, Laval, Québec, H7P 6G5, Canada.

Though many studies pertaining to soil bioremediation have been performed to study the microbial kinetics in shake flasks, the process efficiency in column tests is seldom. In the present study, soil columns tests were carried out to study the biodegradation of soil contaminated with a high concentration of diesel (≈19.5 g/kg) petroleum hydrocarbons expressed as C-C. Read More

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Temporal changes in arsenic and lead pools in a contaminated sediment amended with biochar pyrolyzed at different temperatures.

Chemosphere 2021 Sep 1;287(Pt 1):132102. Epub 2021 Sep 1.

Department of Soil Science, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), Piracicaba, Brazil.

Globally, tons of soils and sediments are experiencing degradation due to the presence of high concentrations of potentially toxic elements (PTEs), such as arsenic (As) and lead (Pb), in areas in the vicinity of metal mining activities. The addition of biochar to contaminated sediments is a promising in situ remediation approach, and the effects of pyrolysis temperature and biochar aging are important factors for the immobilization and fate of PTEs. In this study, we evaluated the temporal changes in pools of As and Pb in sediment amended with biochars produced from sugarcane (Saccharum officinarum) pyrolyzed at 350 (BC350), 550 (BC550), and 750 °C (BC750). Read More

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September 2021