bluuebunny/crossref_metadata_2025_split huggingface dataset:
Evaluation of alternative mobility scenarios in the post-COVID-19 period with the use of Multi-Actor Multi-Criteria Analysis (MAMCA)
Authors: Chrysanidis Theodoros , Nalmpantis Dimitrios 
Published: December 2022

Abstract
The emergence, spread, and outbreak of the COVID-19 pandemic, first in the Wuhan city of China but later in the rest of the world, has affected the lives of people all over the world. This inevitable influence has not left the transportation sector unaffected. Therefore, there is a need to examine whether the choices of citizens have been influenced in terms of their mobility. The choice of the optimal solution for each citizen depends on many factors, such as the price of transportation fuel, the safety of going to work, the availability of public transport, the possibility of risk of infection, etc. The mobility choices of the citizens in the pre-COVID-19 era in comparison with the post-COVID-19 era have changed due to the increased vigilance of the citizens. In addition to citizens, other stakeholders are infectious disease experts/epidemiologists, transportation engineers, etc. This is, therefore, a problem that is offered for analysis using Multi-Actor Multi-Criteria Analysis (MAMCA). This research investigates the mobility choices of people in the post-COVID-19 era using the different stakeholder groups and the MAMCA methodology. Useful results arise concerning the influencing factors of the mobility choices of different stakeholder groups in the post-COVID-19 era.
Characterization of Porous Geopolymers Mortars for the Production of a Sustainable Material
Authors: Ghauch A. , Saba M. , Sayet T. 
Published: December 2022

Abstract
Portland cement is the most popular material used in construction. It is characterized by exceptional thermal, mechanical, and durability properties. However, an alarming amount of pollution and energy consumption is generated during its production [1]. Scientists are in continuous search to find new environmentally friendly cementitious materials, exhibiting good mechanical properties. Geopolymer is looked at as the new inorganic binders fulfilling these specifications. The work suggested by scientists shows that geopolymer has very good mechanical properties when compared to concrete, and has a lower carbon footprint, leading to a great potential for using it as a full or partial replacement for ordinary Portland cement [2]. However, few tests have been done on geopolymer specimens with various porosities, especially geopolymer concrete made using Lebanese metakaolin. This study aims to create Lebanese metakaolin-based geopolymer mixes having dissimilar porosities and test their mechanical properties to assess if they can be used as environmentally friendly materials. This will determine the effect of porosity on the mechanical performance of GPC made with Lebanese metakaolin. Assessing these properties can support the elaboration of materials that are more sustainable and environmentally friendly as some applications require a permeable medium. Results indicated very promising values when comparing the compressive strength of the tested Geopolymer with respect to Ordinary Portland Cement. Therefore, geopolymer mortars are less affected by porosity than OPC and reliably elaborating a material that has gained its place as a feasible and sustainable building material.
Investigation of the fire effect on the behavior of corrugated steel plate shear walls considering environmental aspects
Authors: Kontoni D-P N , Ghamari A , Mahmudi S 
Published: December 2022

Abstract
Fire can be an adverse event with tangible costs for property and human life. In addition to its physical costs, fire has a range of obvious adverse consequences on the environment. One of the fire’s adverse outcomes is its effect on the structures. Corrugated Steel Plate Shear Walls (SPSWs) are environmentally friendly since they can be manufactured in the factory, reducing the environmental disturbance around the construction site, and also, they can be easily dismounted and recycled. In this paper, the effect of fire on the behavior of corrugated SPSWs was investigated numerically and parametrically. In so doing, the hysteresis of the system before (at the ambient temperature) and after applying the fire was investigated. For the parametrical study, the effect of the thickness (t) and the length-to-height ratio (ω=L/H) of the infill plate were investigated on the ultimate strength, stiffness, and yielding of the corrugated SPSW system. The finite element (FE) results showed that by increasing the thickness as well as the length-to-height ratio, the behavior of the corrugated SPSWs was improved. Also, the results indicated that fire affects the ultimate strength, yielding over the wall and hysteresis curve; additionally, the stiffness is affected by the fire. It was proposed to account for the fire by applying the reduction factor of 0.4 to the ultimate strength.
Polymer-functionalized nanoparticles as agents for the in situ remediation of oil-contaminated soils
Authors: Ntente C , Strekla A , Iatridi Z , Theodoropoulou M , Bokias G , Tsakiroglou C D 
Published: December 2022

Abstract
In-situ flushing of chemicals, such as nanoparticle (NP) suspensions, and NP-based Pickering emulsions, is a well-promising method for the remediation of soils and aquifers contaminated with non-aqueous phase liquids (NAPLs) and the enhanced oil recovery from reservoir rocks. Linear and comb-type copolymers were synthesized by combining (i) hydrophilic, anionic monomers like 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPSA) and acrylic acid (AA) with (ii) hydrophobic monomers like dodecyl methacrylate (DMA). Moreover, polymer-coated nanoparticles (PNPs) was prepared by post-grafting and surface initiated free radical polymerization (FRP) on commercial silica nanoparticles. Dilute dispersions of polymers and PNPs were mixed with salts (NaCl, CaCl2), their dynamic surface and oil/water interfacial tensions were measured by the pendant drop method, and the wettability of all fluid systems to glass surface was quantified by measuring the contact angle. Oil-in-water Pickering emulsions were prepared by dispersing n-dodecane in polymers and n-decane in PNP-colloid with ultrasound probe, and their stability was evaluated by tracking the phase separation and changes of rheological properties, as functions of time. Furthermore, the most stable polymers and PNP-based dispersions and emulsions were chosen and tested as chemicals for the removal of residual oil from a transparent glass-etched pore network.
Determination of aspirin in municipal wastewaters of Nur-Sultan City, Kazakhstan
Authors: Satayeva A , Kerim T , Kamal A , Issayev J , Inglezakis V , Kim J , Arkhangelsky E 
Published: December 2022

Abstract
The presence of aspirin in the municipal wastewater of Nur-Sultan city, Kazakhstan, was studied in this research. Aqueous phase samples were collected before any treatment [1] and in the end of treatment process of Nur-Sultan wastewater treatment plant [2]. The study was conducted from April to December 2021. The concentrations of target compound were measured using high-pressure liquid chromatography (HPLC).
The obtained results showed that the concentration of aspirin was generally higher than those reported in the literature. For instance, influent and effluent concentrations of aspirin were equal to 42.8 – 60.4 ppb and 1.4 – 6.5 ppb, respectively (October – December period). The removal of aspirin by wastewater treatment process was equal to 50 - 90.2%. Aspirin was not detected in the spring-summer period of 2021. This could be due to usage of aspirin as a medicine for the treatment and prevention of seasonal flu in the autumn-winter period by the population of the city of Nur-Sultan. Currently, our research team is working on investigation of other potential contaminants of emerging concern in municipal wastewaters of Nur-Sultan city and on treatment methods that could efficiently remove the contaminants of emerging concern.
Waste collection and treatment networks with source separation from Mobile Green Points (MGP): Citizens awareness and spatial planning for the collection of clean recyclable materials
Authors: Tsimnadis Konstantinos , Kyriakopoulos Grigorios L. , Arabatzis Garyfallos , Zervas Efthimios 
Published: December 2022

Abstract
This paper studied the recycling and the reuse of Municipal Solid Wastes (MSW) with Source Separation. These practices are commonly utilized in the European Union (EU) and internationally, giving successful recycling and treatment examples mainly for 7 selected - segregated household waste streams: a) paper and cardboard b) plastics, c) metals, d) glass, e) clothing and textiles, f) Waste Electrical and Electronic Equipment (WEEE) and g) Edible Oil Wastes (EOW). Greece implements lower recycling levels, 21%, of the annually produced MSW comparing to the EU. In 2021 the Regional Government of Attica launched a pilot program of rewarding recycling with Source Separation called “THE GREEN CITY”. This program consists of 60 Mobile Green Points (MGPs) that serve a unified citizen awareness and waste collection (7 MSW streams) network throughout Attica. This network includes numerous temporary parking and operation spots for the MGPs. A 56% of them is located next to recreation and green areas, registering at least 70,000 citizens in the program and collecting approximately 400 tons of clean recyclable MSW (April 2022). Therefore, “THE GREEN CITY” program serves the setting target of Directive 2018/851 for at least 55% by weight recycling and reuse of the Greek MSW by 2025.
Integration of LCA and LCC for decision making in biocomposite production
Authors: Gkoloni N. , Golonis Ch. , Kostopoulos V. 
Published: December 2022

Abstract
Natural fibers reinforced composites have gradually increased their application in industrial domains such as automotive, wind energy, aeronautics, etc., during the last 20 years. In a way, this is a response by the industry to global warming and the pollution of the environment and represents a shift from fossil fuel base composites to materials made of renewable, biodegradable, and recyclable substances. Life cycle assessment (LCA) is used widely in product design decision-making as an evaluation tool for environmental performance. However, it is not sufficient for profit-directed organizations to make final decisions only depending on environmental results. This study intends to evaluate the environmental impacts and the economic viability of manufacturing four different composite laminated plates reinforced with glass or flax fibers that focus on serving the needs of aircraft interiors in the early planning stage, using models for LCA and life cycle cost (LCC). The results depict that at the production stage, without taking into consideration the use stage and end-of-life, flax fiber-reinforced plates made of bio-resin as matrix material and cured using microwaves, reduce both the environmental and economic impacts, compared to their competitor, made from glass fiber-reinforced resin
Waste management strategies effects on GHG emission: Case study of Serbia
Authors: Mihajlović M , Dajić A , Svetozarević M 
Published: December 2022

Abstract
Landfilling is a dominant method of waste management in most developing countries. Moreover, a significant quantity of waste has been disposed on open dumps and unmanaged disposal sites. Landfill gas (LFG) can be considerable source of GHG emissions, as it consists of 50 % methane and 50 % carbon dioxide. Republic of Serbia is a developing country. Its waste management legislation is based on EU legislation. In the first decade of 2000s a set of laws was passed in this area. Unfortunately, the majority of goals were not fulfilled. An updated version of Waste management program is active since 2022. In Serbia, 2.95 million tons of waste is generated every year. It is estimated that 15-20 % is disposed on dumps, while 80 % is collected and disposed on the landfills. Waste treatment does not exist. Recycling rate is a very low, around 15%. Different waste management scenarios of impact on GHG emissions have been analysed. The analysis was performed using the software “Tool for Calculating Greenhouse Gases (GHG) in Solid Waste Management (SWM-GHG calculator)” developed by the German IFEU (ger. Institut für Energie- und Umweltforschung Heidelberg). The base scenario describes the current situation. Scenarios 1 and 2 describe goals set for 2025 and 2030 by Waste management program in the Republic of Serbia for the period 2022 - 2031. Scenario 3 describes best case scenario, with fully functional modern waste management system. The analysis includes several parameters, such as landfill type, recycling rate, LFG collection efficiency and use of waste incineration technology.
Modelling the atmospheric dispersion of ammonia in an industrial area in northern Greece
Authors: Petrou I , Psistaki K , Dokas I M , Paschalidou A K 
Published: December 2022

Abstract
Air pollution is one of the greatest challenges for ecosystems globally, as it adversely affects not only human health, but also water resources, land, animals and plants. The composition of atmospheric air is changing due to urbanization, industry, land surface alteration, climate change and global population increase. Studying the dispersion of atmospheric pollutants is a crucial issue for better urban, regional and global predictions of air quality. Dispersion models have proven a valuable tool in estimating the concentration of air pollutants produced by industrial facilities, as well as predicting future concentrations under specific scenarios (e.g., changes in emission sources or emission rates). The objective of this research was to examine a number of hypothetical industrial accident scenarios, including the local spread of ammonia from an industrial zone located 5 km east of the coastal city of Kavala in northern Greece. For that, the Atmospheric Dispersion Modeling System 5 (ADMS-5) was used as a safety and emergency planning tool, in order to model instantaneous releases (puffs) of ammonia and to investigate changes in ground-level concentration. To determine the structure of the atmospheric boundary layer, seven different meteorological conditions which correspond to the Pasquill-Gifford stability categories A-G were considered. The maximum ground-level concentration (1400 - 2400 μg/m3) occurred in slightly stable and moderately stable conditions (categories E and F) very close to the source, while in extremely stable conditions (category G) the puff remained stagnant for over 600 s after release. The lowest ground-level concentration (300 μg/m3) occurred with slightly unstable conditions (category C). The obtained results can be used for safety and emergency planning reasons and highlight the importance of atmospheric stability on the fate of accidental industrial releases.
Degradation of the persistent organic pollutant-lindane in fixed-bed photoreactor packed with immobilized Zinc Oxide and Iron oxide-doped Zinc Oxide photocatalysts
Authors: Karavasilis M V , Theodoropoulou M A , Tsakiroglou C D 
Published: December 2022

Abstract
The potential for the photocatalytic degradation of lindane, used as agricultural insecticide and pharmaceutical product, is investigated. Two types of photocatalysts, immobilized on 5 mm sodalime beads are synthesised using an easy and economical process: (1) Zinc Oxide (ZnO) nanoparticles and (2) Iron oxide-doped Zinc Oxide (Fe-ZnO). Tests of lindane degradation under continuous flow conditions are conducted on a stainless steel fixed bed photoreactor using a 6W UV-A lamp operating at 375 nm. The lindane sorption onto photocatalysts is examined with equilibrium and kinetic tests at batch mode. The experimental datasets are fitted with a 1-dimensional advection-dispersion-sorption-reaction numerical model to estimate the parameters controlling the lindane degradation rate: the apparent sorption capacity of the catalyst, and the surface reaction kinetic constant. Based on estimated parameter values, a comparative analysis of the performance of the two catalysts is done.
Urban traffic air pollution - case study City of Vranje, Serbia
Authors: Dzoljic Jovana , Popovic Vladimir , Jovkovic Srdjan , Misic Jovan 
Published: December 2022

Abstract
The expansion of urban areas with unequal, rapidly growing population results in higher vehicle numbers in the cities. Traffic in the urban environment is one of the main concerns, since it is one of the most prominent sources of air pollution, connected to the mortality rate. Regarding the Sustainable Development Goals (SDG) and SDG 11, urban areas should meet environmental needs following the process of environmental transition. The Vranje city, Serbia follows the global trend of vehicle number increment. Regarding the specific geomorphological and climate conditions, it is of importance to emphasize the traffic air pollution control in the urban environment. Numerous studies found that vehicular exhaust emissions near traffic intersections are largely dependent on fleet speed, queuing time in idle mode with a red signal time, traffic-flow rate, ambient conditions, etc. Traffic management has the key role, especially regarding the intersection of traffic flows, since there are time losses on the intersections’ driveways that increase the energy consumption to overcome certain conflict flows. The scope of this study should point out the importance of traffic planning and management, especially at the traffic flows for reducing air pollution in the urban environment.
Parametric study of the remediation efficiency of oil-drilling cuttings by ozonation
Authors: Christodoulis K F , Nikolakopoulou D. , Karavasilis M. , Theodoropoulou M A , Tsakiroglou C D 
Published: December 2022

Abstract
By-products and wastes generated by the oil and gas industry must be properly managed and treated. Oil-drilling cuttings (ODCs) are the major wastes generated during the process of oil/gas exploration and extraction. ODCsispre-treated in a sonicator by mixing it with synthetic seawater of pre-specified composition at varying volume ratios, with the presence of the anionic surfactant sodium dodecyl sulphate (SDS) at various concentrations (0%, 0.2%, and 0.5%). The pre-treated solution is placed in a poly (methyl methacrylate) (PMMA) column where an ozone-rich gas is bubbled through a porous diffuser. During the ozonation process, a number of parameters (pressure drop, pH, redox-potential, temperature) are monitored on-line, while solid and liquid samples are collected to detect the changes of the total organic carbon (TOC), chemical oxygen demand (COD) and total petroleum hydrocarbons (TPH).
Zeolite supported TiO2 for the degradation and mineralization of sulfamethoxazole under UV light irradiation
Authors: Mergenbayeva S , Abitayev Zh , Batyrbayeva M , Vakros J , Poulopoulos S G 
Published: December 2022

Abstract
Zeolites have been widely regarded as promising supporting host materials for the catalyst due to their unique structure, high surface area and excellent adsorption capacity. In this work, TiO2 particles were deposited on the surface of zeolite and used as catalyst for photocatalytic degradation of sulfamethoxazole in water under UV light irradiation (365 nm). XRD, Raman spectroscopy, SEM/EDS, UV-Vis diffuse reflectance spectroscopy (DRS) and BET analysis were used to investigate the physico-chemical properties of prepared catalysts. Among prepared catalysts, TiO2/Z-500 exhibited better photocatalytic performance by achieving complete sulfamethoxazole (30 mg/L) degradation after 20 min of reaction and ~18% of TOC removal after 120 min.
Decompose worldwide energy demand and its decoupling from global economic growth
Authors: Brilakis Demetrios S , Tsesmelis Demetrios , Zervas Efthimios 
Published: December 2022

Abstract
Decomposition Analysis is widely applied to break down the total energy demand into components linked to factors, describing how energy changes occur and how the energy consumption mechanism works. The study analyzes worldwide energy trends and driving factors over the years 1990 to 2014. In Index Decomposition Analysis on a regional scale, we examine the factors of energy intensity, GDP per Capita, and population size, while on a global scale, we examine energy intensity, global distribution of GDP to regions, and GDP as a total. A Decomposed Decoupling Index is estimated from global data. According to our empirical findings, the unprecedented energy demand from 1990 to 2014 was due to uneven economic and demographic changes between historic developed and emerging economies that led to dramatic regional changes in the distribution of GDP and energy use. Overall, we conclude that despite recent technological advances in energy intensity the global economy is set to a weak decoupling suggesting that energy needs should be satisfied with the alternative of renewable energy resources.
Dementia and hearing-aid use: a two-way street
Authors: Naylor Graham , Dillard Lauren , Orrell Martin , Stephan Blossom C M , Zobay Oliver , Saunders Gabrielle H 
Published: December 2022

AbstractObjectivesHearing-aid use may reduce risk of dementia, but cognitive impairment makes use more challenging. An observed association between reduced hearing-aid use and incident dementia could reflect either or both of these causal paths. The objective was to examine the effects of each path while minimising contamination between paths.MethodsHealth records data from 380,794 Veterans who obtained hearing aids from the US Veterans Affairs healthcare system were analysed. Analysis 1 (n = 72,180) used multivariable logistic regression to model the likelihood of incident dementia 3.5–5 years post hearing-aid fitting for patients free of dementia and mild cognitive impairment (MCI). Analysis 2 (n = 272,748) modelled the likelihood of being a persistent hearing-aid user at 3 years 2 months after fitting, contrasting subgroups by level of cognitive function at the time of fitting. Analysis time windows were optimized relative to dataset constraints. Models were controlled for available relevant predictors.ResultsThe adjusted OR for incident dementia was 0.73 (95% CI 0.66–0.81) for persistent (versus non-persistent) hearing-aid users. The adjusted OR for hearing-aid use persistence was 0.46 (95% CI 0.43–0.48) in those with pre-existing dementia (versus those remaining free of MCI and dementia).ConclusionSubstantial independent associations are observed in both directions, suggesting that hearing-aid use decreases risk of dementia and that better cognitive function predisposes towards persistent use. Research studying protective effects of hearing-aid use against dementia needs to account for cognitive status. Clinically, hearing devices and hearing care processes must be accessible and usable for all, regardless of their cognitive status.