scholarly journals Implementation of strategies for the realization of ecologically and economically optimized serial type house buildings for social housing

2021 ◽  
Vol 2042 (1) ◽  
pp. 012173
Author(s):  
M Vollmer ◽  
H Harter ◽  
K Theilig ◽  
D Kierdorf ◽  
W Lang
Keyword(s):  
Life Cycle ◽  
Environmental Impact ◽  
Social Housing ◽  
Energy Demand ◽  
Implementation Strategies ◽  
Life Cycle Costs ◽  
Renewable Materials ◽  
Life Cycle Assessments ◽  
The Cost

Abstract The goal of this research is to develop ecologically and economically optimized implementation strategies for social housing. Therefore, a case study is analysed over its life cycle using life cycle assessments (LCA) and life cycle costs (LCC) regarding the global warming potential (GWP) and its environmental impact costs (cost per ton of CO2). The case study is optimized regarding the embodied emissions of construction and energy demand during its use stage. Considering the cost ceiling for social housing, it is evident, that an implementation of renewable materials and energies is mandatory in order to prevent the risk of a project failure due to excessive environmental impact costs.

Probabilistic Characterization of Life-Cycle Agency and User Costs: Case Study of Minnesota

2017 ◽  
Vol 2639 (1) ◽  
pp. 93-101 ◽  
Author(s):  
Mehdi Akbarian ◽  
Omar Swei ◽  
Randolph Kirchain ◽  
Jeremy Gregory
Keyword(s):  
Life Cycle ◽  
Cost Analysis ◽  
Life Cycle Cost ◽  
Life Cycle Costs ◽  
Potential Implication ◽  
User Costs ◽  
Probabilistic Characterization ◽  
The Cost

Life-cycle cost analysis (LCCA) is a commonly used approach by pavement engineers to compare the economic efficiency of alternative pavement design and maintenance strategies. Over the past two decades, the pavement community has augmented the LCCA framework used in practice by explicitly accounting for uncertainty in the decision-making process and incorporating life-cycle costs not only to the agency but also to the users of a facility. This study represents another step toward improving the LCCA process by focusing on methods to characterize the cost of relevant pay items for an LCCA as well as integrating costs accrued to users of a facility caused by pavement–vehicle interaction (PVI) and work zone delays. The developed model was implemented in a case study to quantify the potential implication of both of these components on the outcomes of an LCCA. Results from the construction cost analysis suggest that the proposed approaches in this paper lead to high-fidelity estimates that outperform current practice. Furthermore, results from the case study indicate that PVI can be a dominant contributor to total life-cycle costs and, therefore, should be incorporated in future LCCAs.

scholarly journals Life Cycle Assessment of Functional Food: Improving Sustainability in the Biotechnology Industry through Transparency

Processes ◽  
2021 ◽  
Vol 9 (12) ◽  
pp. 2130
Author(s):  
Alisha Lee ◽  
Yini Wang ◽  
Shih-Fang Lo
Keyword(s):  
Life Cycle ◽  
Environmental Impact ◽  
Carbon Footprint ◽  
Corporate Sustainability ◽  
Biotechnology Industry ◽  
Raw Material ◽  
Life Cycle Assessments ◽  
Net Zero ◽  
Zero Carbon

With the advancement of biotechnology, consumers are demanding more scientifically advanced products as well as being more concerned with the environmental impact of products. A life cycle carbon footprint assessment is an important tool in reaching net-zero carbon production goals. This paper presents the greenhouse gas emissions of functional foods by highlighting TCI Co., Ltd. as a case study. TCI conducted life cycle assessments (LCAs) on two mainstream products that utilize common manufacturing processes to examine their carbon footprint and gain a better understanding of their environmental impact. The main finding shows that while the manufacturing stage accounts for around 20–30% of emissions, the raw material stage accounts for 70–80% for both products. This suggests that TCI needs to work closely with its suppliers to ensure a low emissions supply chain and to achieve its net-zero target. Not only do these LCAs allow TCI to increase the products’ transparency, but they can also be offered as a reference to other businesses producing similar products. Sharing of knowledge and practices in the biotechnology industry benefits the entire ecosystem and improves corporate sustainability.

Duplex Stainless Steels as a Structural Material for Long Life Bridge Construction

2019 ◽  
Author(s):  
Sukanya Hägg Mameng ◽  
Andrew Backhouse ◽  
Jonathan McCray ◽  
Graham Gedge ◽  
Ronny Södergren
Keyword(s):  
Stainless Steel ◽  
Life Cycle ◽  
Life Cycle Costs ◽  
Structural Elements ◽  
High Corrosion Resistance ◽  
Structural Applications ◽  
The Cost ◽  
Service Inspection ◽  
Total Life

<p>Structural duplex stainless steel (DSS) is being increasingly used in non-aesthetic and even non- visible structural elements in bridges to reduce the cost of in-service maintenance compared to use of carbon steel. Until recently, use of stainless steel in the built environment has been driven by architects seeking to develop aesthetically satisfying structures. There is now an emerging trend towards utilising the high corrosion resistance of DSS to reduce total life cycle costs. To validate the assumption that structural DSS are a durable solution, an in-service inspection of DSS in selected European bridges has been undertaken. This assessment has concluded that recently introduced EN 1993-1-4 Annex A 2015 is an appropriate selection tool for structural applications, although in some cases it was found to be somewhat conservative. Having confirmed DSS as a durable material, a case study of the use of DSS in the Söderström bridges in Stockholm is presented. To reduce life cycle costs, this project makes extensive non-visible use of a new DSS grade, EN 1.4662.</p>

Counting the cost of carbon in bioenergy systems: sources of variation and hidden pitfalls when comparing life cycle assessments

Biofuels ◽  
2011 ◽  
Vol 2 (6) ◽  
pp. 693-707 ◽  
Author(s):  
Rebecca Rowe ◽  
Jeanette Whitaker ◽  
Peter H Freer-Smith ◽  
Jennifer Chapman ◽  
Stephen Ryder ◽  
...  
Keyword(s):  
Life Cycle ◽  
Life Cycle Assessments ◽  
Sources Of Variation ◽  
The Cost ◽  
Bioenergy Systems

A Decision Support Model for the Life-Cycle Design of a Family of Oil Filters

1999 ◽  
Author(s):  
Roberto A. Ortega ◽  
Uma-Shankar Kalyan-Seshu ◽  
Bert Bras
Keyword(s):  
Life Cycle ◽  
Decision Support ◽  
Environmental Impact ◽  
Environmental Issues ◽  
Environmentally Benign ◽  
Decision Support Model ◽  
Life Cycle Assessments ◽  
Life Cycle Design ◽  
Oil Flow ◽  
Competitive Prices

Abstract In this paper, a decision support approach for designing a family of environmentally benign products for a ranged set of customer requirements is presented. More specifically, we incorporate environmental issues in order to minimize the environmental impact of products without sacrificing their performance characteristics and keeping competitive prices in comparison to existing products. The example problem consists of the design of a family of environmentally benign oil filters based on a variety of oil flow rate ranges. Environmental issues are represented by Life Cycle Assessments and comparisons of the existing alternatives based on their environmental impact. Emphasis is placed on highlighting the trade-off analysis for including environmental considerations in the design of a family of products and not on the results of the problem, per se.

Mitigating the Environmental Impact of Smartphones with Device Reuse

2012 ◽  
pp. 252-282 ◽  
Author(s):  
Xun Li ◽  
Pablo Ortiz ◽  
Brandon Kuczenski ◽  
Diana Franklin ◽  
Frederic T. Chong
Keyword(s):  
Information Technology ◽  
Life Cycle ◽  
Quantitative Analysis ◽  
Environmental Impact ◽  
Energy Materials ◽  
Societal Benefit ◽  
Life Cycle Stages ◽  
Elementary School Education ◽  
Manufacturing Stage

The rapid growth of information technology has not only brought substantial economic and societal benefit but also led to an unsustainable disposable model in which mobile devices are replaced in a matter of months. The environmental impact of this stream of handsets in terms of manufacturing energy, materials, and disposal costs is alarming. This chapter aims at raising today’s environmental issues of the increasing smartphone market, as well as providing a quantitative analysis on the environmental impact of different life-cycle stages of the smartphones, including the manufacturing stage, using stage, and recycling. To achieve sustainable computing and best utilize the energy consumed during manufacturing the large number of devices, this chapter demonstrates the methodology and techniques towards reusing smartphones by presenting a case study on reusing smartphones for elementary school education.

Sustainability of municipal wastewater treatment

1997 ◽  
Vol 35 (10) ◽  
pp. 221-228 ◽  
Author(s):  
P. J. Roeleveld ◽  
A. Klapwijk ◽  
P. G. Eggels ◽  
W. H. Rulkens ◽  
W. van Starkenburg
Keyword(s):  
Wastewater Treatment ◽  
Life Cycle ◽  
Energy Demand ◽  
Municipal Wastewater ◽  
National Level ◽  
Treatment Plant ◽  
Municipal Wastewater Treatment ◽  
Lca Methodology ◽  
Life Cycle Assessments ◽  
High Nutrient

In this study the insustainability of the treatment of municipal wastewater is evaluated with the LCA-methodology. Life-Cycle Assessments (LCA) analyze and assess the environmental profile over the entire life cycle of a product or process. The LCA-methodology proved to be a proper instrument to evaluate the wastewater treatment plant on the sustainability. However, environmental impacts which are caused by sludge handling should still be classified. Besides that, the LCA should be carried out on regional level instead of on national level. In a situation of high nutrient removal the contribution of the treatment of municipal wastewater to the total insustainability level in the Netherlands is relatively low. When the sustainability of the WWTP has to be improved, the most attention has to be paid to the minimization of discharge from pollutions with the effluent and minimization of the sludge production. Because the contribution of energy consumption is relatively low, less attention can be paid to the minimization of the energy demand. The building of a WWTP and the use of chemicals are not determining the insustainability of the WWTP.

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