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Journal of Environmental Management

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https://www.readbyqxmd.com/read/30423547/effectiveness-of-a-mitigation-measure-for-the-lesser-kestrel-falco-naumanni-in-wind-farms-in-spain
#1
Moisés Pescador, Juan Ignacio Gómez Ramírez, Salvador J Peris
Central-eastern Spain is characterised as being a flat and relatively open landscape, greatly used for agricultural purposes and with a high density of wind installations. This landscape also hosts a large population of the lesser kestrel (Falco naumanni), one of the species most threatened by collisions with wind turbines. During a ten-year period, we analysed bird mortality by recording deaths on three wind farms (WF), Cerro del Palo, Cerro Calderón and La Muela I, located in the province of Cuenca (Spain) and containing a total of 99 turbines...
November 10, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30423546/optimal-design-of-selective-catalyst-reduction-denitrification-system-using-numerical-simulation
#2
Xiang Gao, Ben Wang, Xudong Yuan, Siyuan Lei, Qinggong Qu, Chuan Ma, Lushi Sun
The performance of selective catalyst reduction systems highly depends on the degree of mixing between NH3 and NOx and the flow uniformity of velocity and concentration, which are sensitive to several parameters such as the installment of gate leafs, a hybrid grid, a straightener, and the ammonia injection method. In this work, computational fluid dynamics was applied to investigate these parameters in heat recovery steam generators. Performance of gate leafs and a new type of hybrid grid was considered. Analyses showed that gate leafs significantly improved the uniformity of velocity distribution and that the new type of hybrid grid improved the uniformity of concentration distribution...
November 10, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30423545/negative-effect-of-flocculant-cationic-acrylamide-on-detectability-of-the-nematode-eggs-in-sewage-sludge
#3
Jolanta Zdybel, Jacek Karamon, Teresa Kłapeć, Magdalena Włodarczyk-Ramus, Mirosław Różycki, Ewa Bilska-Zając, Aleksandra Kominek, Tomasz Cencek
The use of sewage sludge in agriculture brings the risk of microbiological and parasitological contamination of soil, ground and surface water, as well as cultivated plants. Therefore prior the application to the soil, sewage sludge must be examined, among others, for the presence of live eggs of intestinal parasites. However, the efficiency of commonly used for this purpose parasitological methods is not satisfactory. This is probably due to the presence of flocculants in the sediments used in the dehydration process...
November 10, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30423544/municipal-solid-waste-recycling-by-burning-it-as-part-of-composite-fuel-with-energy-generation
#4
Dmitrii Glushkov, Kristina Paushkina, Dmitrii Shabardin, Pavel Strizhak, Nadezhda Gutareva
In this work, it has been shown that the involvement of composite fuels in thermal power engineering will enable to recycle both industrial and municipal combustible wastes while saving fossil fuels. The ignition and combustion stability of composite fuel droplets up to their complete burnout was experimentally substantiated under the conditions typical of boiler furnaces, using the example of several fuel compositions with wood, food waste, plastic, and cardboard, each added separately. The values of the guaranteed delay times for the ignition of droplets with a size of about 1 mm were established for the considered fuel compositions in a wide range of the ambient temperature variation (600-1000 °C)...
November 10, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419444/phytoremediation-of-highly-contaminated-mining-soils-by-jatropha-curcas-l-and-production-of-catalytic-carbons-from-the-generated-biomass
#5
Paloma Álvarez-Mateos, Francisco-Javier Alés-Álvarez, Juan Francisco García-Martín
This paper deals with the removal of heavy metals from marginal soil mixtures from the Cobre Las Cruces and Aznalcóllar mining areas containing high concentrations of metals (Cr, Fe, Ni, Cu, Zn, Cd, Hg, Pb and As) by means of phytoremediation using Jatropha curcas L., and the subsequent production of biocatalysts from the plant biomass. First, J. curcas L. was sowed in eight mixtures of these mining soils to study its adaption to these high-contaminated soils and its growth during 60 days in a greenhouse under conditions simulating the South of Spain's spring climate...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419443/impact-of-culvert-flooding-on-carnivore-crossings
#6
João Craveiro, Joana Bernardino, António Mira, Pedro G Vaz
Along many roads worldwide, drainage culverts are the only structures wildlife can safely use to cross. However, culverts inundate and can become unavailable to terrestrial fauna during rainy periods. We conducted a field study over wet and dry seasons in southern Portugal to assess the effect of culvert flooding on crossings by medium-sized carnivores. We set up track stations inside 30 culverts along intermediate-level traffic roads to evaluate complete crossings (n = 1211) and used mixed-effects models to quantify the effects...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419442/understanding-scuba-divers-response-to-coral-bleaching-an-application-of-protection-motivation-theory
#7
Stephanie Verkoeyen, Sanjay K Nepal
Coral reefs are important to the dive experience, suggesting the expected increase in coral bleaching events has the potential to alter global flows of dive tourists. There are a growing number of studies that suggest taking people's estimation of their options and ability to react to a threat into account provides a clearer picture of the decision to respond to a threat. This study applied Protection Motivation Theory (PMT) to help understand the motivational factors associated with intended adaptation to coral bleaching...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419441/increasing-resilience-of-smallholder-farmers-to-climate-change-through-multiple-adoption-of-proven-climate-smart-agriculture-innovations-lessons-from-southern-africa
#8
Clifton Makate, Marshall Makate, Nelson Mango, Shephard Siziba
Conservation agriculture, drought tolerant maize, and improved legume varieties are key climate change management strategies for smallholder farmers in southern Africa. Their complementary efforts in adaptation to climate change are sternly important for farm productivity and income. This study evaluates factors explaining individual and multiple adoption of climate change management strategies and their differential impacts on productivity and income using a sample of 1172 smallholder farmers from Malawi and Zimbabwe...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419440/tales-of-transforming-cities-transformative-climate-governance-capacities-in-new-york-city-u-s-and-rotterdam-netherlands
#9
Katharina Hölscher, Niki Frantzeskaki, Timon McPhearson, Derk Loorbach
Climate change actions in cities worldwide are driving deep changes in urban governance. We ask whether new capacities for transformative climate governance are emerging in two cities that have experimented with urban climate governance: Rotterdam, the Netherlands, and New York City (NYC), United States. Transformative climate governance creates the conditions for developing integrated and innovative climate mitigation and adaptation policies and interventions that respond to and shape urban transformation dynamics and contribute to sustainability and resilience...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419439/volatile-fatty-acids-and-biogas-recovery-using-thermophilic-anaerobic-membrane-distillation-bioreactor-for-wastewater-reclamation
#10
Minwei Yao, Yun Chul Woo, Jiawei Ren, Leonard D Tijing, June-Seok Choi, Seung-Hyun Kim, Ho Kyong Shon
The effects of bioreactor temperatures and salinities of an anaerobic membrane distillation bioreactor (anMDBR) on the permeation performance and their potential recovery of bioresources were fully examined in this study. To the best of our knowledge, this is the first study of a lab-scale anMDBR process utilizing sub-merged hollow fiber membranes. The hybrid system utilizing both membrane distillation (MD) and anaerobic bioreactors achieved 99.99% inorganic salt rejection regardless the operation temperatures and high initial flux from (2-4 L m-2 h-1 ) at 45-65 °C...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419438/living-biomass-supported-on-a-natural-fiber-biofilter-for-lead-removal
#11
Juan J Gallardo-Rodríguez, Ana C Rios-Rivera, Marlene Roeckel Von Bennevitz
Living biomass biofilters constitute an excellent alternative for heavy metal bioremediation. In situ biomass and exopolysaccharides production involve a crucial advantage over other bioremediation alternatives such as lignocellulosic biomass-based materials. In this study, a biofilm-forming bacterium was isolated from an ambient exposed to heavy metals. Bacterial biomass was inoculated on a biofilter packed with Furcraea andina fibers. The goal was to develop a continuous low-cost biofilter to remove low-to-moderate concentrations of Pb2+ ...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419437/concurrent-production-of-sodium-lignosulfonate-and-ethanol-from-bagasse-spent-liquor
#12
Ali Abdulkhani, Elaheh Amiri, Aghil Sharifzadeh, Sahab Hedjazi, Peyman Alizadeh
This study was done with the aim of lignosulfonate and ethanol production from different spent liquors of bagasse pulping process. For this purpose, alkali lignin from bagasse alkali liquor was separated and was sulfomethylated to produce soda lignosulfonate (SLig). Furthermore, raw bagasse was directly treated with sodium sulfite in acidic and neutral conditions to produce BLig and NLig bagasse lignosulfonate, respectively. In addition, the pentoses and hexoses impurities in lignosulfonates were fermented to ethanol using Candida guilliermondii...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419436/reclamation-of-an-arsenic-bearing-gypsum-via-acid-washing-and-cao-as-stabilization-involving-svabite-formation-in-thermal-treatment
#13
Dazhong Yang, Atsushi Sasaki, Masatoshi Endo
As one of the biggest hazardous solid waste in the metallurgical industry, arsenic-bearing gypsum (ABG) is a great threat to environmental safety owing to possible leakage and diffusion contamination. However, the reclamation of ABG suffers great challenges due to its worthless constituents and high arsenic leaching. In this study, an ABG was reclaimed as more valuable bassanite (CaSO4 ∙0.5H2 O) and anhydrite (CaSO4 ). Firstly, the overmuch arsenic in ABG was removed to below 150 mg/kg (Japan standard value) using acid extraction...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419435/the-influence-of-environmental-background-on-tourists-environmentally-responsible-behaviour
#14
Chang Wang, Jinhe Zhang, Jingjing Cao, Huan Hu, Peng Yu
Previous research on the environmentally responsible behaviour (ERB) of tourists has primarily focused on the personal psychological factors of tourists. However, the studies overlook the effect of contextual factors of a tourist site. According to the broken window theory, a disorderly, unkempt environment might lead more people to be involved in environmental destruction, which would form a vicious cycle. Therefore, it can be deduced that the environmental background (EB) of a tourist site is an important contextual factor...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30419434/removal-of-sr-2-using-high-surface-area-hydroxyapatite-synthesized-by-non-additive-in-situ-precipitation
#15
Jinsu Kim, Nonni Soraya Sambudi, Kuk Cho
Owing to their high-risk factor, many attempts have been made to remove radionuclides from water. Sr2+ ions are the target of removal by synthesized hydroxyapatite in this research. A facile method for synthesizing high-surface-area hydroxyapatite by in-situ precipitation using excess diammonium phosphate solution and without any additive was developed. The highest surface area achieved using this method was 177.00 m2 /g, and the synthesized hydroxyapatite was also mesoporous. The effects of different pH, temperatures, and ion concentrations during synthesis on the properties of the hydroxyapatite were assessed, and it was found that a low temperature and high pH were optimal for synthesizing high-surface-area hydroxyapatite...
November 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30415172/organizing-forestry-governance-cadre-training-in-china-s-multi-level-governance-regime
#16
Julia Marinaccio
Extant literature has examined cadre training within the context of the Chinese party-state's adaptive capacities, focusing on training delivered through party schools and administration academies. This article offers a different perspective, analyzing professional training as a steering mechanism in China's multi-level governance regime. Using China's State Forestry Administration (SFA) as a case study, the article explores the structure of training programs within the administration, the types of training offered to forestry cadres, and the role of training in the implementation of policies to promote sustainable forest management...
November 8, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30415171/the-reuse-of-waste-glass-for-enhancement-of-heavy-metals-immobilization-during-the-introduction-of-galvanized-sludge-in-brick-manufacturing
#17
Linqiang Mao, Yunqiu Wu, Wenyi Zhang, Qingqing Huang
The mixing of galvanized sludge in fired clay brick manufacturing has been regarded as an alternative approach for the consumption of galvanized sludge. Decreasing the surface area and porosity of fired brick definitely lowers the risk of heavy metal release. In this study, a novel method is proposed to reduce the surface area and porosity of bricks and promote heavy metal immobilization by adding waste glass. The introduction of waste glass enhanced the physical and mechanical performances of fired clay bricks and resulted in an increase in bulk density and compressive strength and a decrease in water absorption...
November 8, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30415170/drum-composting-of-nitrogen-rich-hydrilla-verticillata-with-carbon-rich-agents-effects-on-composting-physics-and-kinetics
#18
Mayur Shirish Jain, Ajay S Kalamdhad
Composting of the Hydrilla verticillata, an invasive aquatic weed, signifies aquatic waste management as a safe and hygienic method that produces a nutrient-rich end product, i.e., compost. However, its higher moisture content, higher N-losses, and lower degradation rate have shown negative impacts on the composting process. Therefore the primary objective of this study was to assess the composting physics and the degradation kinetics after addition of three different carbon-rich agents with Hydrilla verticillata...
November 8, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30415169/bibliographic-and-visualized-analysis-of-geopolymer-research-and-its-application-in-heavy-metal-immobilization-a-review
#19
REVIEW
Zehua Ji, Yuansheng Pei
Geopolymer (GP) is a novel aluminosilicate inorganic polymer, and it possesses excellent characteristics in application of various fields, and its advantages have attracted worldwide attention. Based on the Citespace software, the bibliometric analysis combined with the visualization analysis on GP was summarized on the publications that extracted from Web of Science (WOS) from 1990 to 2017. The analysis results demonstrate that the research on GP develops rapidly in the last years, and the GP have already possessed a degree of application value in several engineering fields...
November 8, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/30412795/floating-aquatic-plants-for-total-nitrogen-and-phosphorus-removal-from-treated-swine-wastewater-and-their-biomass-characteristics
#20
Sartika Indah Amalia Sudiarto, Anriansyah Renggaman, Hong Lim Choi
In this study, the removal of nitrogen and phosphorus from the effluent of treated swine wastewater by Eichhornia crassipes, Pistia stratiotes, Limnobium laevigatum, and Lemna sp. was investigated. This study also aimed to quantify the potential biomass production and lignocellulosic composition of the floating plants cultured in the effluent. Plants were grown in treated swine wastewater effluent or Hoagland's solution. Pistia stratiotes showed the highest total nitrogen removal of 63.15% from the treated effluent...
November 6, 2018: Journal of Environmental Management
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