Niki C. Maragou, G. Pavlidis, H. Karasali, F. Hatjina
{"title":"Major and minor element levels in Greek apicultural products.","authors":"Niki C. Maragou, G. Pavlidis, H. Karasali, F. Hatjina","doi":"10.30955/gnj.002227","DOIUrl":"https://doi.org/10.30955/gnj.002227","url":null,"abstract":"In the present study, four beehive matrices (honey, propolis, pollen and bees), sampled from thirteen apiaries from Northern and Western Greece, were analyzed for the presence of Cr, Cu, Mn, Fe, Zn, Mg, and Ca. The proposed method involved microwave digestion with H2O2 and HNO3, dilution with water and direct determination by flame atomic absorption spectrometry. The results showed that the levels of elements in all apicultural products present the following order: Ca > Mg > Zn ≈ Fe > Mn > Cu. Cr was detected at LOD level (0.3 μg g) only in some pollen samples from industrial areas. The most abundant elements determined were Ca (3.42 mg g) and Mg (1.5 mg g) in pollen and propolis. It was also demonstrated that all detected elements are accumulated at higher concentrations in pollen, propolis and bees and to a much lesser extent in honey. Dependence of the content of Mg in honey and of the content of Zn and Cu in pollen, on the geographical origin of samples was identified.","PeriodicalId":55087,"journal":{"name":"Global Nest Journal","volume":"19 1","pages":"423-429"},"PeriodicalIF":1.1,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69259723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
B. Zhang, L. Zhan, Z. Yang, Y. Yan, J. Ran, M. Guo
{"title":"Producing hydrogen-rich gas by fresh biomass co-pyrolysis with additive.","authors":"B. Zhang, L. Zhan, Z. Yang, Y. Yan, J. Ran, M. Guo","doi":"10.30955/gnj.001584","DOIUrl":"https://doi.org/10.30955/gnj.001584","url":null,"abstract":"Pyrolysis properties of fresh ficus lacor leaves with moisture content of 70wt. % was investigated in a TGA setup. The effects of different operating parameters on pyrolysis of biomass were studied in a fixed-bed reactor system. With addition of CaO, there showed an additional decrease in weight at temperature range of 382~490 C, but 12wt. % weight was recovered in the first stage (40~220 C). Fresh biomass pyrolysis was calculated to be first order reaction with activation energy about 29.8 kJ mol. Activation energy was lowered to 20.4 kJ mol by addition of CaO. With scope of temperature studied, higher temperature was found always favor hydrogen production during pyrolysis of fresh biomass. Carbonation and hydration of CaO enhanced water gas shift reaction (WGS) which led to hydrogen yield increasing. The highest hydrogen content (around 70vol. %) of hydrogen concentration and hydrogen yield (23.2 ml g-biomass) were achieved when CaO/biomass mass ratio increased to 0.3. Pyrolysis of fresh biomass without pre-drying showed the potential of hydrogen production.","PeriodicalId":55087,"journal":{"name":"Global Nest Journal","volume":"19 1","pages":"1-6"},"PeriodicalIF":1.1,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69259513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. G. Ghozikali, A. Borgini, A. Tittarelli, A. Amrane, M. Mohammadyan, B. Heibati, K. Yetilmezsoy
{"title":"Quantification of health effects of exposure to air pollution (PM10) in Tabriz, Iran","authors":"M. G. Ghozikali, A. Borgini, A. Tittarelli, A. Amrane, M. Mohammadyan, B. Heibati, K. Yetilmezsoy","doi":"10.30955/gnj.001985","DOIUrl":"https://doi.org/10.30955/gnj.001985","url":null,"abstract":"GHOZIKALI M.G. Tabriz Health Services Management Research Center BORGINI A. Department of Environmental Health Engineering TITTARELLI A. East Azerbaijan Province Health Center AMRANE A. Tabriz University of Medical Sciences, Tabriz, Iran MOHAMMADYAN M. Department of Environmental Health Engineering HEIBATI B.* School of Public Health and Center for Air Pollution Research (CAPR) YETILMEZSOY K. Institute for Environmental Research (IER) Tehran University of Medical Sciences, Tehran, Iran Fondazione IRCCS Istituto Nazionale dei Tumori Environmental Epidemiology and Cancer Registry Unit, Via Venezian 1, Milan, Italy Ecole Nationale Supérieure de Chimie de Rennes Université de Rennes 1, CNRS, UMR 6226, Rennes, France Health Sciences Research Center, Student Research Committee Mazandaran University of Medical Sciences, Sari, Iran Department of Environmental Engineering, Faculty of Civil Engineering Yildiz Technical University, 34220, Davutpasa, Esenler, Istanbul, Turkey","PeriodicalId":55087,"journal":{"name":"Global Nest Journal","volume":"18 1","pages":"708-720"},"PeriodicalIF":1.1,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69259673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Z. Zulkeflee, Z. Shamsuddin, A. Aris, M. K. Yusoff, D. Komilis, Antoni Sánchez
{"title":"Performance, yield and characteristics of bioflocculants (UPMBF13) produced by Bacillus subtilis UPMB13 during submerged and solid-state fermentation","authors":"Z. Zulkeflee, Z. Shamsuddin, A. Aris, M. K. Yusoff, D. Komilis, Antoni Sánchez","doi":"10.30955/gnj.001949","DOIUrl":"https://doi.org/10.30955/gnj.001949","url":null,"abstract":"This study compares the distinctive performance, yield and characteristics of bioflocculants (UPMBF13) derived from submerged (SmF) and solid-state fermentation (SSF) of Bacillus subtilis UPMB13. The bioflocculants were subjected to morphological characterization, functional groups determination, molecular weight measurement, protein content quantification and specific compound identification. The SmF and the SSF strategies yielded an average of 2.70 g l-1 and 1.25 g kg-1 of UPMBF13, respectively. The submerged UPMBF13 resulted in a clear suspension with visible flocs formation, while flocs from the SSF treatment were less apparent. Higher total proteinaceous contents of UPMBF13 from the SSF led to the inferiority in flocculating performances. The produced UPMBF13 consisted of hydroxyl, carboxyl, methoxyl and carbonyl functional groups which contributed to their flocculating abilities. The molecular weights of UPMBF13 were around 10-50 kDa, characterizing them into low-molecular weight bioflocculants. The submerged UPMBF13 were more fibrous in nature than the SSF, giving the submerged UPMBF13 the upper hand in flocculation. SmF was the best fermentation method yielding high performing bioflocculants at a faster rate by the utilization of non-elaborative techniques. SSF, on the other hand, was proven feasible but further improvements are needed.","PeriodicalId":55087,"journal":{"name":"Global Nest Journal","volume":"18 1","pages":"611-620"},"PeriodicalIF":1.1,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69259665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Abdul-Wahab, Emmanuel Ikhile, Stephen En, A. Elkamel, L. Ahmadi, K. Yetilmezsoy
{"title":"Modeling the dispersion of NOx and SO2 emissions from a proposed biogas producing facility","authors":"A. Abdul-Wahab, Emmanuel Ikhile, Stephen En, A. Elkamel, L. Ahmadi, K. Yetilmezsoy","doi":"10.30955/gnj.001941","DOIUrl":"https://doi.org/10.30955/gnj.001941","url":null,"abstract":"This study aims to model the dispersion of two pollutants: nitrogen oxides (NOx) and sulfur dioxide (SO2) from an onsite biogas fueled generator by using CALPUFF modeling system. CALPUFF is a non-steady state puff simulating software that takes into account, meteorological data, terrain data and land use data, to effectively simulate dispersion from a given source. These data are taken from the different governmental and accredited organizations and used in conjunction with CALPUFF. Results showed a wider dispersion of both pollutants in January as supposed to June. This was due to rapid changes of wind’s speed and directionin the month of January. It was also discovered that the emission results were well below the point of impregnation (POI) limits set by the Ministry of Environment for its 24 hour, 1 hour and 30 minute averaging time periods of exposure. The findings of this study reveal that the proposed facility’s operation is in compliance with the Ontario regulations and that it should be able to operate in accordance with them, in the winter and summer seasons.","PeriodicalId":55087,"journal":{"name":"Global Nest Journal","volume":"18 1","pages":"674-689"},"PeriodicalIF":1.1,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69259654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Segarra‐Oña, Ángel Peiró Signes, José Mondéjar-Jiménez, F. J. Martínez
{"title":"Friendly environmental policies implementation within the company: an ESG ratings analysis and its applicability to companies'environmental performance enhancement","authors":"M. Segarra‐Oña, Ángel Peiró Signes, José Mondéjar-Jiménez, F. J. Martínez","doi":"10.30955/GNJ.001553","DOIUrl":"https://doi.org/10.30955/GNJ.001553","url":null,"abstract":"The authors would like to thank the Valencian Government for its support through the research project (GV/2015/003) and the Universitat Politecnica de Valencia for the ADSIDEO 2014 Grants led by prof. Segarra (Centre for Cooperation and Development).","PeriodicalId":55087,"journal":{"name":"Global Nest Journal","volume":"18 1","pages":"885-893"},"PeriodicalIF":1.1,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69259374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effects of forest expansion and land abandonment on ecosystem services of alpine environments: Case study in ledro valley (Italy) for the period 1859-2011","authors":"C. Fedrigotti, V. Aschonitis, E. Fano","doi":"10.30955/gnj.001770","DOIUrl":"https://doi.org/10.30955/gnj.001770","url":null,"abstract":"During the last century, the European Alps have faced intense socio-economic changes, which have led to respective land-use changes with immediate impact on ecosystem services (ESs). The aim of the study is to present the land-use changes and their effects on the economical contribution of ESs in the alpine environment of Ledro Valley, in Northern Italy. Data were collected through historical cartography and photographic material from 1859, 1973 and 2011. The analysis of landscape evolution highlighted the forest expansion, and partially the urban expansion, at the expense of grasslands and croplands due to a transition from a rural to a touristic and handcrafting economy. The land-use changes led to an overall reduction of the economical contribution of ESs, while further analysis on individual services identified advantages and disadvantages caused by the re-naturalization process of forest expansion. The results suggested that the profit maximization of ESs under the pressure of such land-use changes can be achieved by a) a respective profit maximization from services related to recreation activities (tourism) which have an immediate economical impact on local economies and b) the maintenance and sustainable management of the typical rural landscape and grasslands in order to preserve some of their economical benefits.","PeriodicalId":55087,"journal":{"name":"Global Nest Journal","volume":"18 1","pages":"875-884"},"PeriodicalIF":1.1,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69259999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"ANALYSING THE CHARACTERISTICS AND APPLICATION POTENTIALS OF JAROSITE WASTE IN KOSOVO","authors":"M. Kerolli-Mustafa, L. Ćurković","doi":"10.30955/gnj.001799","DOIUrl":"https://doi.org/10.30955/gnj.001799","url":null,"abstract":"Jarosite waste released from the zinc production process during the hydrometallurgical leaching of concentrates in Trepca lead-zinc smelter, Kosovo has serious environmental problems due to the presence of toxic metals such as Pb, Cd, Zn, As etc. Its disposal in open tailing damps has become a major environmental concern with contamination effects of water, soil and vegetation. The current paper considers the jarosite waste in Mitrovica Industrial Park, Kosovo in order to evaluate the characteristics of jarosite waste, identify the potential environmental impacts and understand its potential for recycling or utilization as a challenge for the development of a positive “green” image environmental protection and sustainable hazard waste management in future. XRD, SEM and TG/DTA were used to analyze the characterization features of jarosite. The results give an initial understanding of the jarosite strengths and application potentials as recycled material. The potential application provides useful contribution towards proper environmental, social and economic management development.","PeriodicalId":55087,"journal":{"name":"Global Nest Journal","volume":"18 1","pages":"89-97"},"PeriodicalIF":1.1,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69260077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"WATER SOLUTION POLISHING OF NITRATE USING POTASSIUM PERMANGANATE MODIFIED ZEOLITE: PARAMETRIC EXPERIMENTS, KINETICS AND EQUILIBRIUM ANALYSIS","authors":"A. Alinejad, A. Mohseni-Bandpei, M. Ghaderpoori","doi":"10.30955/gnj.001833","DOIUrl":"https://doi.org/10.30955/gnj.001833","url":null,"abstract":"In the present study, adsorption potential of potassium permanganate (Hypermangan) modified zeolite was investigated for the removal of nitrate from synthetic wastewater. Effects of the most significant parameters (pH, adsorbent dose, nitrate concentration and contact time) were initially evaluated based on the percentage of nitrate removed from the water solutions. Over 90 % removal of 150 mg l nitrate was achieved at an optimum pH of 5, adsorbent dose of 2g l after a 60 min contact time. The chemical and morphological characterizations of Hypermangan modified zeolite (HMZ) were carried out by using scanning electron microscopy (SEM), fourier transform infrared (FT-IR), x-ray diffraction (XRD) and x-ray fluorescence (XRF) analysis methods. Kinetic evaluation indicated that the nitrate adsorption onto HMZ followed the pseudofirst-order model. The equilibrium data assessment illustrated the removal of nitrate by HMZ follows a Langmuir model which attains the maximum adsorption capacity 6.7 mg g.The mean free energy of adsorption was 0.15 kJ mol, which indicates the adsorption of nitrate onto HMZ, occurs through a physical mechanism.","PeriodicalId":55087,"journal":{"name":"Global Nest Journal","volume":"52 1","pages":"546-558"},"PeriodicalIF":1.1,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69260102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Mojiri, H. A. Aziz, L. Ziyang, Z. Nan‐wen, R. Tajuddin, S. Aziz, G. Dongdong
{"title":"Zeolite and activated carbon combined with biological treatment for metals removal from mixtures of landfill leachate and domestic wastewater","authors":"A. Mojiri, H. A. Aziz, L. Ziyang, Z. Nan‐wen, R. Tajuddin, S. Aziz, G. Dongdong","doi":"10.30955/gnj.001739","DOIUrl":"https://doi.org/10.30955/gnj.001739","url":null,"abstract":"Current study was carried out to investigate the heavy metals removal from landfill leachate and urban wastewater by powdered activated carbon and powdered zeolite augmented SBR technique. The research was carried out in six 2000 mL breakers (working size was 1200 ml). The reactors were parted into 2 groups covering 3 for activated carbon augmented SBRs (PAC-SBR), and 3 for powdered zeolite augmented SBRs (PZE-SBR). The response surface methodology (RSM) and the central composite design (CCD) were employed to explain the most advantageous settings of the independent variables (aeration rate (l min), reaction time (h), and leachate-to-wastewater mixing ration (%; v/v) and their resopnses (dependent variables including Fe, Mn, Ni and Cd). The results indicated that the PZE-SBR showed higher performance in removal efficiencies while compared to PAC-SBR. At the optimum conditions of contact time (13.83 h), aeration rate (2.81 l min) and leachate to domestic wastewater proportion (20.00%) for the PZE-SBR, the removal efficiencies for Fe, Mn, Ni, and Cd were 65.65%, 61.56, 63.41%, and 60.44%, respectively.","PeriodicalId":55087,"journal":{"name":"Global Nest Journal","volume":"17 1","pages":"727-737"},"PeriodicalIF":1.1,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69259937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}