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Journal of Environmental Management

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https://read.qxmd.com/read/30776771/rice-straw-and-rapeseed-residue-derived-biochars-affect-the-geochemical-fractions-and-phytoavailability-of-cu-and-pb-to-maize-in-a-contaminated-soil-under-different-moisture-content
#1
Abdus Salam, Sabry M Shaheen, Saqib Bashir, Imran Khan, Jianxu Wang, Jörg Rinklebe, Fazal Ur Rehman, Hongqing Hu
Management of toxic elements contaminated upland and wetland soils using biochar is of great concern from both agricultural and environmental points of view. The impact of rice straw- and rapeseed residue-derived biochars produced under 300 °C and 550 °C (added to the soil at 2% and 5%; w/w) on the geochemical fractions, phytoavailability, and uptake of Cu and Pb in a contaminated mining soil under different moisture contents (80%, 60%, and 40% of soil field capacity) was investigated in a greenhouse pot experiment using maize...
February 15, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30776770/analysis-of-the-environmental-behavior-of-farmers-for-non-point-source-pollution-control-and-management-an-integration-of-the-theory-of-planned-behavior-and-the-protection-motivation-theory
#2
Yandong Wang, Jiping Liang, Jun Yang, Xingxia Ma, Xiaoqing Li, Jing Wu, Gaihe Yang, Guangxin Ren, Yongzhong Feng
Agricultural non-point source (NPS) pollution in water source protection areas poses serious challenges for governments in developing countries. It is important to consider the environmental behavior of farmers when exploring the causes of NPS pollution as well as when establishing scientific controls and management measures. However, the poor understanding of factors influencing the environmental behavior of farmers and the lack of a suitable environmental socio-psychological model limit the application of the environmental behavior of farmers in NPS pollution management...
February 15, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30776769/ecotourism-affects-breeding-in-sergeant-major-damselfish-abudefduf-saxatilis
#3
Reuven Yosef, Yuval Abergil, Federico Morelli
We studied the effect of tourist activity on the reproductive success of sergeant major damselfish (Abudefduf saxatilis). We snorkeled at two sites - one with a bridge over the reef allowing access to the reef from the seaside (Princess beach) and further south where the number of tourists is low (Taba beach). We identified 36 (65.5%) nests on the Princess reef and 19 (34.5%) on the Taba reefs. Average nest size at Princess was 11.8 cm2 (±2.68 SD) vs 19.6 cm2 (±3.9) at Taba. Further, at Princess although the number of nests was not correlated to the distance from the bridge (R2  = 0...
February 15, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30776554/adsorption-mechanisms-of-hexavalent-chromium-from-aqueous-solutions-on-modified-activated-carbons
#4
J Valentín-Reyes, R B García-Reyes, A García-González, E Soto-Regalado, F Cerino-Córdova
Functional groups of the activated carbon play the major role in metals removal from aqueous solutions and, for this reason, different treatments can be used to modify the adsorbent surface improving the adsorption capacity for a particular pollutant. In this research, oxidation with nitric acid, heating under an inert atmosphere, and ammonia treatment were applied to modify the activated carbon surface. The modified adsorbents were used for the removal of hexavalent chromium (Cr(VI)) from aqueous solutions at different concentrations (10-500 mg L-1 ), pH 6, and 25 °C...
February 15, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30776553/environmental-sustainability-of-anaerobic-digestion-of-household-food-waste
#5
Peter C Slorach, Harish K Jeswani, Rosa Cuéllar-Franca, Adisa Azapagic
Consumers are the leading producers of food waste (FW) in developed countries and the majority of household FW is still embedded in general waste where it is incinerated or landfilled. There is increasing awareness in the value of collecting FW as a separate waste stream for production of compost or recovery of energy through anaerobic digestion (AD). This study focuses on AD to evaluate the life cycle environmental sustainability of recovering energy and fertilisers from household FW in the UK. The analysis is carried out for two different functional units: i) treatment of 1 tonne of FW, which is compared to incineration and landfilling; and ii) generation of 1 MWh of electricity, which is compared to other electricity generation options...
February 15, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30776552/environmental-management-partner-selection-for-reverse-supply-chain-collaboration-a-sustainable-approach
#6
Kannan Govindan, P C Jha, Vernika Agarwal, Jyoti Dhingra Darbari
The Indian electronics industry is facing immense pressure to include sustainability practices in order to meet customer expectations, comply with legislation and create an edge over competitors. This growing need for inclusion of sustainability is driving original equipment manufacturers (OEMs) to collaborate with third-party reverse logistics providers (3PRLPs) to sustainably manage returns. Collaboration with 3PRLP will put OEMs in a stronger position regarding compliance with government legislation, improving upon their corporate image and customer satisfaction...
February 15, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30776551/comparison-of-organic-compounds-in-char-and-soot-from-the-combustion-of-biomass-in-boilers-of-various-emission-classes
#7
Jana Růžičková, Marek Kucbel, Helena Raclavská, Barbora Švédová, Konstantin Raclavský, Dagmar Juchelková
The combustion of biomass in boilers of emission classes 2 and 3 produces deposits in the form of char and soot inside the combustion chamber. Char and soot differ in content of elemental carbon (EC) and organic carbon (OC) as well as in the content of organic compounds. Deposits from boilers of emission class 2 contain higher amounts of OC and EC than those from boilers of emission class 3. The only exception is deposits formed by the combustion of briquettes from hardwood in boilers of emission class 3 that contained approximately by up to 60 percent higher amount of OC and by approx...
February 15, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30776550/paleoecological-and-historical-data-as-an-important-tool-in-ecosystem-management
#8
Michał Słowiński, Mariusz Lamentowicz, Dominika Łuców, Jan Barabach, Dariusz Brykała, Sebastian Tyszkowski, Anna Pieńczewska, Zbigniew Śnieszko, Elisabeth Dietze, Krzysztof Jażdżewski, Milena Obremska, Florian Ott, Achim Brauer, Katarzyna Marcisz
In recent decades, it has been observed that most forest fires in Europe were caused by people. Extreme droughts, which are more often prolonged, can increase the risk of forest fires, not only in southern Europe but also, in Central Europe. Nonetheless, catastrophic fire events are not well recognized in the Central European Lowlands (CEL), where large forest complexes are located. Knowledge of past fire activity in this part of Europe is scarce, although several fires have occurred in this area during the previous millennia...
February 15, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772731/kinetics-of-microbial-selenite-reduction-by-novel-bacteria-isolated-from-activated-sludge
#9
Van Khanh Nguyen, Trung Hau Nguyen, Myung-Gyu Ha, Ho Young Kang
A total of three bacteria isolated from activated sludge of a wastewater treatment plant were found to reduce selenite to elemental selenium nanoparticles as both amorphous nanospheres and monoclinic nanocrystals. The three isolated strains, which are potential candidates for bioremediation of selenite-contaminated water sources, were designated as Citrobacter sp. NVK-2, Providencia sp. NVK-2A, and Citrobacter sp. NVK-6 based on 16S rRNA sequencing. Despite belonging to the same genus, the kinetics of selenite reduction by strain NVK-2 (Vmax  = 58...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772730/treatments-for-color-removal-from-wastewater-state-of-the-art
#10
REVIEW
Maria Cristina Collivignarelli, Alessandro Abbà, Marco Carnevale Miino, Silvestro Damiani
It is evident from many recent papers that release of colored wastewater into the environment is source of pollution and this is a problem that particularly affect textile, dyeing and food industries. The review: (i) presents an analysis of various mechanisms involved in the different processes for color removal; (ii) describes conveniences and disadvantages that may exist in adopting one type of treatment in spite of another; (iii) reports the results of approximately 180 experimental tests. Both examples of treatments already widely applied to the real scale and still in the experimental phase are reported...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772729/co-pretreatment-of-wheat-straw-by-potassium-hydroxide-and-calcium-hydroxide-methane-production-economics-and-energy-potential-analysis
#11
Jian Shen, Qiang Zheng, Ruihong Zhang, Chang Chen, Guangqing Liu
To improve the methane production of wheat straw (WS), the mono-pretreatment (MP) and co-pretreatment (CP) of WS with KOH and Ca(OH)2 were conducted in this study. The results showed that the MP with KOH presented better effects than the MP with Ca(OH)2 . However, the CP with 2% KOH combined with 1% Ca(OH)2 displayed similar effects to those of the MP with 3% KOH, obtaining the cumulative methane yield of 239.8 mL gVS -1 and an improved biodegradability from 56.37% of raw WS to 66.10%. Methane production and kinetic analyses suggested that 2% KOH combined with 1% Ca(OH)2 was the ideal condition of alkaline pretreatment for anaerobic digestion of WS...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772728/design-of-an-industrial-solid-waste-processing-line-to-produce-refuse-derived-fuel
#12
Luciano R Infiesta, Cassius R N Ferreira, Alam G Trovó, Valério L Borges, Solidônio R Carvalho
Municipal Solid Waste (MSW) from the city of Boa Esperança, Minas Gerais, Brazil, was used to produce refuse-derived fuel (RDF). The MSW contains residues from human society, including product packaging, bottles, batteries, organic waste, fines, textiles, health textiles, plastics, glass, and metals, among others. The following protocol was performed during the conversion of MSW to RDF: (i) the raw MSW was placed in a silo and sent to a primary crusher using a metal conveyor belt, which reduced the particle size to 80 mm; (ii) the biomass was transferred to a selective waste collection platform by a rubber conveyor belt, and the recyclable waste, metals, and glasses were separated manually; (iii) residual metals were removed by a magnetic separator; (iv) the waste was transferred to a secondary crusher which reduced the particle size to 60 mm; (v) the waste passed through an airborne separator to remove materials with high density, such as glass, stones, and organic materials, using a metallic conveyor belt; (vi) the particle size was reduced to 40 mm by a tertiary crusher; (vii) the aluminium was separated from the non-metallic materials (plastic, paper, rubber, etc...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772727/hydrodynamic-modelling-of-a-polluted-tropical-bay-assessment-of-anthropogenic-impacts-on-freshwater-runoff-and-estuarine-water-renewal
#13
Marko Tosic, Flávio Martins, Serguei Lonin, Alfredo Izquierdo, Juan Darío Restrepo
A bay's capacity to buffer fluvial fluxes between the land and sea is sensitive to hydrological changes that can affect its water renewal rates. In Cartagena Bay, Colombia, pollution issues have been associated with freshwater fluxes which are projected to increase in future years. This has led to plans to reduce freshwater flows by constructing upstream hydraulic doors. Given the influence of freshwater discharge on coastal water renewal, it is important to assess how these upstream changes will affect the bay's hydrodynamic processes...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772726/evaluation-of-the-influence-of-temperature-and-relative-humidity-on-the-permeability-of-four-films-to-the-fumigant-dimethyl-disulfide
#14
Xianli Wang, Wensheng Fang, Dongdong Yan, Dawei Han, Jie Liu, Zongjie Ren, Canbin Ouyang, Yuan Li, Qiuxia Wang, Aocheng Cao
Dimethyl disulfide (DMDS) is an alternative fumigant to methyl bromide that was phased out globally due to its stratospheric ozone-depleting properties. Covering the surface of the soil with a plastic tarpaulin or 'barrier film' when using a soil fumigant is typically used to retain fumigants in the soil and to reduce emissions. Emission levels depend on the film's permeability, which varies mainly according to the film's material, the type of fumigant and the environmental conditions. We used specialized laboratory equipment to test the permeability of four films to DMDS under similar temperature and relative humidity (RH) conditions present in the field: polyethylene (PE), polyvinyl chloride (PVC), polyvinylidene chloride (PVDC) and ethylene vinyl alcohol copolymer (EVOH)...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772725/abating-n-in-nordic-agriculture-policy-measures-and-way-forward
#15
Sofie Hellsten, Tommy Dalgaard, Katri Rankinen, Kjetil Tørseth, Lars Bakken, Marianne Bechmann, Airi Kulmala, Filip Moldan, Stina Olofsson, Kristoffer Piil, Kajsa Pira, Eila Turtola
During the past twenty years, the Nordic countries (Denmark, Sweden, Finland and Norway) have introduced a range of measures to reduce losses of nitrogen (N) to air and to aquatic environment by leaching and runoff. However, the agricultural sector is still an important N source to the environment, and projections indicate relatively small emission reductions in the coming years. The four Nordic countries have different priorities and strategies regarding agricultural N flows and mitigation measures, and therefore they are facing different challenges and barriers...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772724/effects-of-biochar-on-bacterial-communities-in-a-newly-established-landfill-cover-topsoil
#16
James Tsz Fung Wong, Xunwen Chen, Wenjing Deng, Yemao Chai, Charles Wang Wai Ng, Ming Hung Wong
Recent studies revealed the benefits of applying biochar in landfill final cover soil, such as adsorbing odorous compounds and promoting microbial methane oxidation. Most of these processes are related to the soil bacterial communities. However, the effects of biochar application on the overall bacterial community in newly established landfill cover soil are not yet understood, especially in field condition. The objective of the present field study is to investigate the effects of biochar on the diversity of soil bacterial community 3 months after incubation (short-term)...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772723/properties-of-composts-from-household-food-waste-produced-in-automatic-composters
#17
Marek Kucbel, Helena Raclavská, Jana Růžičková, Barbora Švédová, Veronika Sassmanová, Jarmila Drozdová, Konstantin Raclavský, Dagmar Juchelková
The minimization of landfill deposition of waste containing biological components represents a big problem, especially in built-up residential areas. The main problem of biologically degradable municipal waste is the quantity and composition of household waste which can have an important influence on decomposition processes already in collecting vessels. An amount of household waste produced in residential areas in the Czech Republic varies from 31 to 337 g/person/day, with an average value of 250 g. Waste of plant material character is produced in the range from 22 to 291 g/person/day...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772722/extraction-recovery-and-characterization-of-structural-extracellular-polymeric-substances-from-anammox-granular-sludge
#18
Tommaso Lotti, Emiliano Carretti, Debora Berti, Maria Raffaella Martina, Claudio Lubello, Francesca Malpei
The composition and colloidal properties of extracellular polymeric substances (EPS) from anammox granular sludge were investigated through a complete set of spectroscopic and scattering techniques. To fully characterize EPS, we developed a robust and reproducible extraction/recovery protocol specific for anammox biofilms, based on the change of water affinity under alternated alkaline and acidic conditions, each monitored with Z-potential and dynamic light scattering analysis. This method enabled both extraction as a colloidal suspension and recovery as a solid of large amounts of EPS (0...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772721/an-examination-of-attributes-and-barriers-to-adopt-biomass-and-solar-technology-a-cross-cultural-approach
#19
Elena Higueras-Castillo, Francisco Muñoz-Leiva, Francisco José Liébana-Cabanillas
This research is primarily aimed at analyzing the most favorable and unfavorable characteristics considered by consumers contemplating the adoption of biomass and solar energy technologies. The pro-environmental behavior, the level of anthropocentrism and ecocentrism in three different cultures are also analyzed using the New Ecological Paradigm scale. Based on a sample of 489 respondents collected by questionnaire, it finds the predominant view in the three cultures is ecocentrism. However, the study has allowed us to discover significant differences in the factors that stimulate or inhibit consumption in Spain, Germany and Mexico...
February 14, 2019: Journal of Environmental Management
https://read.qxmd.com/read/30772720/removal-of-metals-from-mine-drainage-waters-by-in-situ-mineral-sorbent-based-pilot-filter-systems
#20
Heini Postila, Elisangela Heiderscheidt, Tiina Leiviskä
Discharge of metal-containing wastewater streams into the environment is an environmental concern because these pollutants do not degrade and tend to bioaccumulate. A number of laboratory-based investigations on the effectiveness of a wide range of filter materials for metal removal from diluted wastewater streams have been reported. However, only a few pilot or full-scale investigations have been conducted. Therefore, this study investigated the metal retention capabilities of mineral-based filter materials (commercially available mineral product (5-15 mm), recycled mineral material (2-4 mm) and slag by-product (2-4 and 4-16 mm)) when used in pilot-scale filter systems under continuous operation in a closed mining area in North Ostrobothnia, Finland, between June and October 2017...
February 14, 2019: Journal of Environmental Management
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