scholarly journals Aspects of the hydrophobic effect sustainability obtained in plasma for cotton fabrics

2019 ◽  
Vol 70 (03) ◽  
pp. 223-228
Author(s):  
RALUCA MARIA AILENI ◽  
LAURA CHIRIAC ◽  
ADRIANA SUBTIRICA ◽  
SILVIA ALBICI ◽  
LAURENTIU CRISTIAN DINCA
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Hydrophobic Effect ◽  
Raw Material ◽  
Rf Plasma ◽  
Plasma Technology ◽  
Technical Data ◽  
Chemical Substances ◽  
Material Energy ◽  
The Impact

This paper presents several aspects concerning the life cycle assessment (LCA) for 100% cotton fabric treated with different types of Fluor compounds using RF plasma technology and foulard technology, in order to obtain the hydrophobic effect. To highlight the effects obtained by RF (radio frequency) plasma technology was conducted in parallel a study about hydrophobic effect obtained using a dispersion of fluorine compound (NUVA TTC) on foulard. The conclusions of the study were that if we use the plasma treatment for hydrophobic effect then this would influence the environment negatively by warming generated by gases and power consumption, when using the foulard method and chemical substances already established, the impact would consist of increasing the consumption of fossil flues, respiratory inorganics, and climate change. We analyzed the life-cycle inventory (LCI) and life-cycle assessment (LCA) using SimaPro software and Eco-indicator 99. For obtaining the LCI, we used to input and output technical data, from the plasma / foulard process, and the SimaPro software for generating the LCA based on these data. The input data about raw material, energy, chemical substances, have been collected by direct measurements on machinery, device logs and specifications of the equipment (technical books) and processes. The output data (waste energy and chemicals) were obtained using statistics, internet databases, and SimaPro software. The objective of our scientific initiative has been to study the sustainability of the RF plasma technology used for hydrophobization, and we obtained that plasma technology used for hydrophobic effect is less eco-friendly than foulard technology for a functional unit of 1 kg treated material.

scholarly journals Life cycle assessment of the electroconductive textiles functionalized by advanced technologies (plasma) and metallic micro/nanoparticles deposition

2019 ◽  
Vol 70 (03) ◽  
pp. 205-210
Author(s):  
RALUCA MARIA AILENI ◽  
RAZVAN ION RADULESCU ◽  
LAURA CHIRIAC ◽  
LILIOARA SURDU
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Raw Material ◽  
Rf Plasma ◽  
Plasma Process ◽  
Plasma Technology ◽  
Technical Data ◽  
Direct Printing ◽  
Direct Measurements ◽  
Material Energy

This paper presents aspects concerning the life cycle assessment of the electroconductive textile functionalized by advanced RF plasma technology based on argon and oxygen gases and deposition of the metallic micro/nanoparticles. In order to obtain the textiles with electroconductive properties, the preliminary plan consisted functionalization of the textiles by using RF plasma technology based on argon and oxygen gases and processes for micro/nanoparticles deposition such as foulard, direct printing, and thin film position. It was analyzed the life-cycle inventory (LCI) and was provided the study for life-cycle assessment (LCA) using SimaPro software and Eco-indicator 99. In order to obtain the LCI, we used to input and output technical data, from the plasma process, and the SimaPro software for generating the LCI and LCA. The input data about raw material, energy, chemical substances, have been collected by direct measurements on machinery, device log, and specifications of the equipment (technical books) and processes. The output data was obtained using SimaPro software connected to internet-specific databases. The purpose of our research has been to study the life cycle assessment of the electroconductive textiles functionalized by RF plasma technology in comparison with classical functionalization treatments.

scholarly journals Evaluation of Environmental Impact of Cement Production in Algeria Using Life Cycle Assessment

2015 ◽  
Vol 45 ◽  
pp. 79-84
Author(s):  
S. Boughrara ◽  
M. Chedri ◽  
K. Louhab
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Environmental Impacts ◽  
Raw Material ◽  
Cement Production ◽  
Dry Process ◽  
The Impact ◽  
Inputs And Outputs

The aim of this study is the use of Life Cycle Assessment, to evaluate the impact generated by cement manufactory situated in Sour EL Ghozlane town in Algeria country, which use the dry process to produce cement Portland. The LCA method is used for compiling and examining the inputs and outputs of energy, raw material and environmental impacts directly attributable to the manufacture and functioning of a product throughout its life. It is also used to determine element and energy contributing to each impact evaluated. Potentials impacts are evaluated using the SimaProV.7.1 software and IMPACT2000+ method in this study.

scholarly journals Opportunities for Improving the Environmental Profile of Silk Cocoon Production under Brazilian Conditions

2020 ◽  
Vol 12 (8) ◽  
pp. 3214
Author(s):  
Silvia Mara Bortoloto Damasceno Barcelos ◽  
Rodrigo Salvador ◽  
Maria da Graça Guedes ◽  
Antonio Carlos de Francisco
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Economic Feasibility ◽  
Raw Material ◽  
Impact Categories ◽  
Cocoon Production ◽  
Silk Cocoon ◽  
Silk Production ◽  
Environmental Profile ◽  
The Impact

Brazilian silk production is amongst the five largest in the world. Nonetheless, there is no life cycle assessment study on silk cocoon production and its upstream processes, pertaining to the mulberry production (fundamental upstream process for silk production), in the existing literature. The objective of this study was to identify opportunities to improve the environmental profile of mulberry and silk cocoon production under Brazilian conditions. To that end, a life cycle assessment was conducted for the core processes of mulberry and silk cocoon production and upstream processes of raw material production, using the ReCiPe method for life cycle impact assessment using nine impact categories. Overall, the mulberry production showed greater impacts than the cocoon production for the impact categories analyzed. A few opportunities for improving the environmental profile of mulberry and silk cocoon production under Brazilian conditions included replacing the Kraft paper used to cover the rearing beds, replacing the standard tractor used to fetch mulberry leaves, replacing light bulbs, conducting a more sustainable mulberry and cocoon production, and setting a reverse logistics system for plastic and paper packaging waste. Nevertheless, many of these measures are long-term strategies. Besides, many of them need further economic feasibility assessment.

scholarly journals Residential Life Cycle Assessment Modeling: Comparative Case Study of Insulating Concrete Forms and Traditional Building Materials

2010 ◽  
Vol 5 (3) ◽  
pp. 95-106 ◽  
Author(s):  
Neethi Rajagopalan ◽  
Melissa M Bilec ◽  
Amy E Landis
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Impact Assessment ◽  
Raw Materials ◽  
Impact Category ◽  
Raw Material ◽  
Frame Structure ◽  
Use Phase ◽  
Wood Frame ◽  
The Impact

Innovative, sustainable construction products are emerging in response to market demands. One potential product, insulating concrete forms (ICFs), offers possible advantages in energy and environmental performance when compared with traditional construction materials. Even though ICFs are in part derived from a petroleum-based product, the benefits in the use phase outweigh the impacts of the raw material extraction and manufacturing phase. This paper quantitatively measures ICFs' performance through a comparative life cycle assessment of wall sections comprised of ICF and traditional wood-frame. The life cycle stages included raw materials extraction and manufacturing, construction, use and end of life for a 2,450 square foot house in Pittsburgh, Pennsylvania. Results showed that even though building products such as ICFs are energy intensive to produce and thus have higher environmental impacts in the raw materials extraction and manufacturing phase, the use phase dominated in the life cycle. For the use phase, the home constructed of ICFs consumed 20 percent less energy when compared to a traditional wood-frame structure. The results of the impact assessment show that ICFs have higher impacts over wood homes in most impact categories. The high impacts arise from the raw materials extraction and manufacturing phase of ICFs. But there are a number of embedded unit processes such as disposal of solid waste and transport of natural gas that contribute to this high impact and identifying the top unit process and substance contributors to the impact category is not intuitive. Selecting different unit processes or impact assessment methods will yield dissimilar results and the tradeoffs associated with every building product should be considered after studying the entire life cycle in detail.

scholarly journals Impactos sociales del espárrago en Perú: Identificación y evaluación de impactos sociales en la etapa de procesamiento del espárrago blanco fresco en La Libertad (Perú), mediante la técnica Social Life Cycle Assessment (S-LCA)

2018 ◽  
Vol 2 (1) ◽  
pp. 60-90 ◽  
Author(s):  
César Terán
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Impact Assessment ◽  
Social Life ◽  
Social Impact ◽  
Raw Material ◽  
Social Life Cycle Assessment ◽  
Export Sector ◽  
Corporate Social ◽  
The Impact

A pesquisa apresenta um estudo de caso de identificação e avaliação de impactos sociais na produção de aspargos brancos frescos no Peru, com a participação de uma empresa líder do setor de agroexportação. A técnica utilizada foi a Avaliação do Ciclo de Vida Social (S-LCA), considerando apenas a etapa de processamento, em que várias atividades são concluídas para transformar a matéria-prima em produto acabado. Desta forma, a equipe de pesquisa definiu três categorias de atores, 15 subcategorias e 67 indicadores específicos, para os quais foram coletadas informações de fontes primárias e secundárias. Uma metodologia existente, baseada na avaliação do desempenho e na avaliação do impacto de cada subcategoria, foi adaptada para a avaliação de impacto. Os resultados da avaliação determinam que a empresa demonstre níveis satisfatórios de responsabilidade social corporativa, gerando, na maioria dos casos, impactos positivos sobre seus stakeholders.  Palavras-chave: Avaliação do Ciclo de Vida Social (S-LCA). Avaliação de Impacto Social. Aspargos.ResumenLa investigación presenta un caso de estudio de identificación y evaluación de impactos sociales en la producción del espárrago blanco fresco en Perú, contando com la participación de una empresa representativa del rubro agroexportador. Se utilizo la técnica Social Life Cycle Assessment (S-LCA), considerando solamente la etapa de procesamiento, en la cual se presentan diversas actividades orientadas a transformar la materia prima en producto terminado. En ese sentido, se definieron 3 categorías de stakeholders, 15 subcategorías y 67 indicadores específicos, para los cuales se recolectó información de fuentes secundarias y primarias. Para la evaluación de impactos se adaptó una metodología existente, basada en la evaluación del desempeño y la evaluación de impactos de cada subcategoría. Los resultados de análisis determinan que la empresa muestra niveles satisfactorios en materia de responsabilidad social empresarial, generando, en la mayoría de casos, impactos positivos en sus grupos de interés. Palabras clave: Análisis del Ciclo de Vida Social (S-ACV). Evaluación de Impactos Sociales. Espárrago.AbstractThe research presents a case study of identification and evaluation of social impacts in the production of fresh white asparagus in Peru, with the participation of a leader company of the agro-export sector. The technique used was Social Life Cycle Assessment (S-LCA), considering only the processing stage, in which several activities are completed in order to transform the raw material into finished product. Accordingly, the research team defined 3 categories of stakeholders, 15 subcategories and 67 specific indicators, for which information was collected from secondary and primary sources. An existing methodology, based on performance evaluation and impact assessment of each subcategory, was adapted for the impact assessment. The results of the assessment determine that the company shows satisfactory levels of corporate social responsibility, generating, in most cases, positive impacts on its stakeholders.Keywords: Social Life Cycle Assessment (S-LCA). Social Impact Assessment. Asparagus.

scholarly journals 2-Piece Cork Stoppers as Alternative for Valorization of Thin Cork Planks: Analysis by LCA Methodology

Foods ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 873
Author(s):  
Francisco Javier Flor-Montalvo ◽  
Agustín Sánchez-Toledo Ledesma ◽  
Eduardo Martínez Cámara ◽  
Emilio Jiménez-Macías ◽  
Jorge Luis García-Alcaraz ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Raw Materials ◽  
Lca Methodology ◽  
Significant Difference ◽  
Different Dimensions ◽  
The Impact ◽  
Different Thickness ◽  
Cork Stoppers ◽  
Wine Bottle

Natural stoppers are a magnificent closure for the production of aging wines and unique wines, whose application is limited by the availability of raw materials and more specifically of cork sheets of different thickness and quality. The growing demand for quality wine bottle closures leads to the search for alternative stopper production. The two-piece stopper is an alternative since it uses non-usable plates in a conventional way for the production of quality caps. The present study has analyzed the impact of the manufacture of these two-piece stoppers using different methodologies and for different dimensions by developing an LCA (Life Cycle Assessment), concluding that the process phases of the plate, its boiling, and its stabilization, are the phases with the greatest impact. Likewise, it is detected that the impacts in all phases are relatively similar (for one kg of net cork produced), although the volumetric difference between these stoppers represents a significant difference in impacts for each unit produced.

scholarly journals Case study of a water bioengineering construction site in Austria. Ecological aspects and application of an environmental life cycle assessment model

2021 ◽  
Author(s):  
M. von der Thannen ◽  
S. Hoerbinger ◽  
C. Muellebner ◽  
H. Biber ◽  
H. P. Rauch
Keyword(s):  
Global Warming ◽  
Life Cycle Assessment ◽  
Life Cycle ◽  
Energy Demand ◽  
Assessment Model ◽  
Construction Site ◽  
Negative Effects ◽  
Environmental Life Cycle Assessment ◽  
The Impact ◽  
Soil And Water

AbstractRecently, applications of soil and water bioengineering constructions using living plants and supplementary materials have become increasingly popular. Besides technical effects, soil and water bioengineering has the advantage of additionally taking into consideration ecological values and the values of landscape aesthetics. When implementing soil and water bioengineering structures, suitable plants must be selected, and the structures must be given a dimension taking into account potential impact loads. A consideration of energy flows and the potential negative impact of construction in terms of energy and greenhouse gas balance has been neglected until now. The current study closes this gap of knowledge by introducing a method for detecting the possible negative effects of installing soil and water bioengineering measures. For this purpose, an environmental life cycle assessment model has been applied. The impact categories global warming potential and cumulative energy demand are used in this paper to describe the type of impacts which a bioengineering construction site causes. Additionally, the water bioengineering measure is contrasted with a conventional civil engineering structure. The results determine that the bioengineering alternative performs slightly better, in terms of energy demand and global warming potential, than the conventional measure. The most relevant factor is shown to be the impact of the running machines at the water bioengineering construction site. Finally, an integral ecological assessment model for applications of soil and water bioengineering structures should point out the potential negative effects caused during installation and, furthermore, integrate the assessment of potential positive effects due to the development of living plants in the use stage of the structures.

scholarly journals Life Cycle Assessment of an Innovative Hybrid Energy Storage System for Residential Buildings in Continental Climates

2021 ◽  
Vol 11 (9) ◽  
pp. 3820
Author(s):  
Noelia Llantoy ◽  
Gabriel Zsembinszki ◽  
Valeria Palomba ◽  
Andrea Frazzica ◽  
Mattia Dallapiccola ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Residential Buildings ◽  
Storage System ◽  
Energy Storage System ◽  
Hot Water ◽  
Hybrid Energy ◽  
Hybrid Energy Storage ◽  
Innovative System ◽  
The Impact

With the aim of contributing to achieving the decarbonization of the energy sector, the environmental impact of an innovative system to produce heating and domestic hot water for heating demand-dominated climates is assessed is evaluated. The evaluation is conducted using the life cycle assessment (LCA) methodology and the ReCiPe and IPCC GWP indicators for the manufacturing and operation stages, and comparing the system to a reference one. Results show that the innovative system has a lower overall impact than the reference one. Moreover, a parametric study to evaluate the impact of the refrigerant is carried out, showing that the impact of the overall systems is not affected if the amount of refrigerant or the impact of refrigerant is increased.

scholarly journals Life Cycle Assessment (LCA) of an Innovative Compact Hybrid Electrical-Thermal Storage System for Residential Buildings in Mediterranean Climate

2021 ◽  
Vol 13 (9) ◽  
pp. 5322
Author(s):  
Gabriel Zsembinszki ◽  
Noelia Llantoy ◽  
Valeria Palomba ◽  
Andrea Frazzica ◽  
Mattia Dallapiccola ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Mediterranean Climate ◽  
Residential Buildings ◽  
Renewable Energy Sources ◽  
Storage System ◽  
Hot Water ◽  
Electrical Consumption ◽  
The Impact

The buildings sector is one of the least sustainable activities in the world, accounting for around 40% of the total global energy demand. With the aim to reduce the environmental impact of this sector, the use of renewable energy sources coupled with energy storage systems in buildings has been investigated in recent years. Innovative solutions for cooling, heating, and domestic hot water in buildings can contribute to the buildings’ decarbonization by achieving a reduction of building electrical consumption needed to keep comfortable conditions. However, the environmental impact of a new system is not only related to its electrical consumption from the grid, but also to the environmental load produced in the manufacturing and disposal stages of system components. This study investigates the environmental impact of an innovative system proposed for residential buildings in Mediterranean climate through a life cycle assessment. The results show that, due to the complexity of the system, the manufacturing and disposal stages have a high environmental impact, which is not compensated by the reduction of the impact during the operational stage. A parametric study was also performed to investigate the effect of the design of the storage system on the overall system impact.

scholarly journals Life-Cycle Assessment of Carbon Footprint of Bike-Share and Bus Systems in Campus Transit

2020 ◽  
Vol 13 (1) ◽  
pp. 158
Author(s):  
Sishen Wang ◽  
Hao Wang ◽  
Pengyu Xie ◽  
Xiaodan Chen
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Energy Consumption ◽  
Carbon Footprint ◽  
Co2 Emission ◽  
Raw Material ◽  
Transit System ◽  
Two Systems ◽  
Bus System ◽  
Bike Share

Low-carbon transport system is desired for sustainable cities. The study aims to compare carbon footprint of two transportation modes in campus transit, bus and bike-share systems, using life-cycle assessment (LCA). A case study was conducted for the four-campus (College Ave, Cook/Douglass, Busch, Livingston) transit system at Rutgers University (New Brunswick, NJ). The life-cycle of two systems were disaggregated into four stages, namely, raw material acquisition and manufacture, transportation, operation and maintenance, and end-of-life. Three uncertain factors—fossil fuel type, number of bikes provided, and bus ridership—were set as variables for sensitivity analysis. Normalization method was used in two impact categories to analyze and compare environmental impacts. The results show that the majority of CO2 emission and energy consumption comes from the raw material stage (extraction and upstream production) of the bike-share system and the operation stage of the campus bus system. The CO2 emission and energy consumption of the current campus bus system are 46 and 13 times of that of the proposed bike-share system, respectively. Three uncertain factors can influence the results: (1) biodiesel can significantly reduce CO2 emission and energy consumption of the current campus bus system; (2) the increased number of bikes increases CO2 emission of the bike-share system; (3) the increase of bus ridership may result in similar impact between two systems. Finally, an alternative hybrid transit system is proposed that uses campus buses to connect four campuses and creates a bike-share system to satisfy travel demands within each campus. The hybrid system reaches the most environmentally friendly state when 70% passenger-miles provided by campus bus and 30% by bike-share system. Further research is needed to consider the uncertainty of biking behavior and travel choice in LCA. Applicable recommendations include increasing ridership of campus buses and building a bike-share in campus to support the current campus bus system. Other strategies such as increasing parking fees and improving biking environment can also be implemented to reduce automobile usage and encourage biking behavior.

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