scholarly journals MOVING TOWARDS A MORE SUSTAINABLE BELGIAN DWELLING STOCK: THE PASSIVE STANDARD AS THE NEXT STEP?

2013 ◽  
Vol 8 (2) ◽  
pp. 112-132 ◽  
Author(s):  
Karen Allacker ◽  
Frank De Troyer
Keyword(s):  
Life Cycle ◽  
Environmental Impact ◽  
Residential Buildings ◽  
Policy Measure ◽  
Optimal Variant ◽  
The Future ◽  
Future Requirement ◽  
Design Orientation

To efficiently move towards a more sustainable dwelling stock in Belgium, priorities need to be defined. Accordingly, it should be questioned if the new policy measure requiring the passive standard for newly built residential buildings from 2020 onwards is justified. This paper emphasises on the energy related aspects of the results of a PhD research. In the research residential buildings in the Belgian context were optimised from a life cycle environmental impact and cost perspective. The results proved that not for all dwelling types and layouts the passive standard is the optimal variant. A well-considered design, orientation and choice of dwelling type will be necessary to make the future requirement of the passive standard technically feasible and efficient.

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.

A comparative life cycle assessment on lithium-ion battery: Case study on electric vehicle battery in China considering battery evolution

2020 ◽  
pp. 0734242X2096663 ◽  
Author(s):  
Shuoyao Wang ◽  
Jeongsoo Yu
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Lithium Ion Battery ◽  
Electric Vehicle ◽  
Lithium Ion ◽  
Collection Rate ◽  
Recycling Industry ◽  
Battery Recycling ◽  
The Future

China has become the largest electric vehicle (EV) market in the world since 2015. Consequently, the lithium-ion battery (LiB) market in China is also expanding fast. LiB makers are continually introducing new types of LiBs into the market to improve LiBs’ performance. However, there will be a considerable amount of waste LiBs generated in China. These waste LiBs should be appropriately recycled to avoid resources’ waste or environmental pollution problems. Yet, because LiBs’ type keeps changing, the environmental impact and profitability of the waste LiB recycling industry in China become uncertain. In this research, we reveal the detailed life cycle process of EVs’ LiBs in China first. Then, the environmental impact of each type of LiB is speculated using the life cycle assessment (LCA) method. Moreover, we clarify how LiBs’ evolution will affect the economic effect of the waste battery recycling industry in China. We perform a sensitivity analysis focusing on waste LiBs’ collection rate. We found that along with LiBs’ evolution, their environmental impact is decreasing. Furthermore, if waste LiBs could be appropriately recycled, their life cycle environmental impact would be further dramatically decreased. On the other hand, the profitability of the waste battery recycling industry in China would decrease in the future. Moreover, it is essential to improve waste LiBs’ collection rate to establish an efficient waste LiB industry. Such a trend should be noticed by the Chinese government and waste LiB recycling operators to establish a sustainable waste LiB recycling industry in the future.

A Study on Energy Consumption and CO2 Emissions in End-Life Cycle of Residential Buildings

2013 ◽  
Vol 689 ◽  
pp. 226-229
Author(s):  
Gi Wook Cha ◽  
Won Hwa Hong ◽  
Sung Woo Shin
Keyword(s):  
Climate Change ◽  
Life Cycle ◽  
Energy Consumption ◽  
Quantitative Analysis ◽  
Environmental Impact ◽  
Residential Buildings ◽  
Inventory Analysis ◽  
Intergovernmental Panel ◽  
Ipcc Guidelines

In recent years, demolition work in Korea has been rapidly increasing, and accordingly, its environmental impact has become significant, thus requiring quantitative analysis on energy consumption and CO2 emissions generated during demolition work. This study aims to examine energy consumption and CO2 emissions in the end-life cycle of buildings. In this study, inventory analysis was conducted and basic units of energy consumption and CO2 emissions were calculated in accordance with Intergovernmental Panel on Climate Change (IPCC) guidelines published in 1996. Major findings show that 64% of energy consumption and CO2 emissions in buildings’ end-life cycle is generated in the demolition phase, and 36% in the transportation phase.

scholarly journals A Cradle to Handover Life Cycle Assessment of External Walls: Choice of Materials and Prognosis of Elements

2018 ◽  
Vol 10 (8) ◽  
pp. 2748 ◽  
Author(s):  
Diana Carolina Gámez-García ◽  
José Manuel Gómez-Soberón ◽  
Ramón Corral-Higuera ◽  
Héctor Saldaña-Márquez ◽  
María Consolación Gómez-Soberón ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Residential Buildings ◽  
Environmental Behavior ◽  
Primary Objective ◽  
Construction Process ◽  
Process Stage ◽  
Behavior Simulation ◽  
Simulation Equation

This research focuses on a comparison of 20 external wall systems that are conventionally used in Spanish residential buildings, from a perspective based on the product and construction process stages of the life cycle assessment. The primary objective is to provide data that allow knowing the environmental behavior of walls built with materials and practices conventionally. This type of analysis will enable promoting the creation of regulations that encourage the use of combinations of materials that generate the most environmentally suitable result, and in turn, contribute to the strengthening of the embodied stages study of buildings and their elements. The results indicate that the greatest impact arises in the product stage (90.9%), followed by the transport stage (8.9%) and the construction process stage (<1%). Strategies (such as the use of large-format pieces and the controlled increase in thickness of the thermal insulation) can contribute to reducing the environmental impact; on the contrary, practices such as the use of small-format pieces and laminated plasterboard can increase the environmental burden. The prediction of the environmental behavior (simulation equation) allows these possible impacts to be studied in a fast and simplified way.

Earth Plastered Wall Heating as a Low-Emitting, Cost-Effective and Robust Energy System for Building Renovation

2022 ◽  
Author(s):  
Alina Galimshina ◽  
Maliki Moustapha ◽  
Alexander Hollberg ◽  
Guy Wagner ◽  
Pierryves Padey ◽  
...  
Keyword(s):  
Life Cycle ◽  
Distribution System ◽  
Life Cycle Cost ◽  
Residential Buildings ◽  
Life Stage ◽  
Statistical Treatment ◽  
Heat Distribution ◽  
Production Operation ◽  
The Earth ◽  
The Future

Renovation of the building stock in Europe is urgent to decrease the environmental impact from the building sector and meet the United Nations climate action goals. However, it is often hard to define a robust scenario for a renovation due to numerous uncertainties, which occur during the production, operation and end-of-life stage. One can cite the loss of performance of insulation and heating systems, the replacement time of installation or the future energy prices as well as the future climate. The replacement of oil boilers with heat pumps has shown a good performance regarding costs and greenhouse gas emissions. However, due to the flow and return temperature differences, often the current heat distribution system needs to be replaced as well, which is normally done with conventional radiators or floor heating. In this paper, we analyse a new possibility of a heat distribution system with earth plastered wall. We develop a methodology on the integrated assessment of life cycle assessment (LCA) and life cycle cost analysis (LCCA) for the renovation scenarios and adapt the analysis of the heat pump renovation solution with conventional radiators system and the earth plastered wall for two typical residential buildings located in Switzerland. Through rigorous statistical treatment, we then propagate the possible sources of uncertainty and perform the uncertainty quantification using polynomial chaos expansion to compare the distributions of two outcomes. The results show that the solution with the earth plaster has lower overall environmental impacts and costs. It has also been noticed that the solution with the earth plaster is more robust in investment cost and embodied emissions compared to the solution with the conventional radiators.

scholarly journals Analysis of the Primary Building Materials in Support of G-SEED Life Cycle Assessment in South Korea

2018 ◽  
Vol 10 (8) ◽  
pp. 2820 ◽  
Author(s):  
Hyojin Lim ◽  
Sungho Tae ◽  
Seungjun Roh
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
South Korea ◽  
Building Materials ◽  
Residential Buildings ◽  
Construction Material ◽  
Residential Building ◽  
Unit Value ◽  
Design Documents

In recent years, much research has been conducted internationally to quantitatively evaluate the environmental impact of buildings in order to reduce greenhouse gas emissions and address associated environmental problems. With this in mind, the Green Standard for Energy and Environmental Design (G-SEED) in South Korea was revised in 2016. However, the various possible evaluation methods make it difficult to conduct building life cycle assessment. Moreover, compared to research on residential buildings, life cycle assessment research on non-residential buildings is scarce. Therefore, this study analyzes primary building materials for life cycle assessment of current non-residential buildings to support Korean G-SEED requirements. Design documents for various non-residential buildings are obtained, and the types and numbers of materials used in production are determined. Next, the primary building materials contributing high cumulative weight based on the ISO14040 series of standards are analyzed. We then review the most commonly-used building materials while considering non-residential building types and structures. In addition, construction material reliability is evaluated using the environmental impact unit value. With our results, by suggesting the primary building materials in non-residential buildings, efficient life cycle assessment of non-residential buildings is possible in terms of time and cost.

scholarly journals Environmental Performance of Residential Buildings: A Life Cycle Assessment Study in Saudi Arabia

2021 ◽  
Vol 13 (6) ◽  
pp. 3542
Author(s):  
Hatem Alhazmi ◽  
Abdulilah K. Alduwais ◽  
Thamer Tabbakh ◽  
Saad Aljamlani ◽  
Bandar Alkahlan ◽  
...  
Keyword(s):  
Global Warming ◽  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Energy Demand ◽  
Residential Buildings ◽  
Saudi Arabian ◽  
Impact Categories ◽  
Cumulative Energy ◽  
Cumulative Energy Demand

The building and construction sector has a huge impact on the environment because of the enormous amounts of natural resources and energy consumed during the life cycle of construction projects. In this study, we evaluated the potential environmental impact of the construction of a villa, from cradle to grave, in the Saudi Arabian context. Centrum voor Milieukunde Leiden (CML) for Centre of Environmental Science of Leiden University-IA baseline v3.03 methods were used to obtain the environmental profile for the impact categories, and Cumulative Energy Demand v1.09 was used to measure the embodied energy of the villa life cycle. The analyzed midpoint impact categories include global warming (GWP100a), ozone layer depletion (ODP), acidification (AP), eutrophication (EP), photochemical oxidation (POCP), and indicator cumulative energy demand (CED). The operation use phase of the villa was found to have the highest global warming potential and acidification with 2.61 × 106 kg CO2-eq and 1.75 × 104 kg SO2-eq, respectively. Sensitivity analysis was performed on the Saudi Arabian plans to increase the share of renewable sources and reduce the amount of electricity generated from hydrocarbons, which currently represents 46% of the total installed power, by 2032. The results showed that compared with the current electricity environmental impact, the CO2 emission from electricity will decrease by 53%, which represents a significant reduction in environmental impact. The findings will help with the life cycle assessment of structures during future planning and for energy conservation.

scholarly journals A Life Cycle Assessment of Two Residential Buildings Using Two Different LCA Database-Software Combinations: Recognizing Uniformities and Inconsistencies

Buildings ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 20 ◽  
Author(s):  
Nargessadat Emami ◽  
Jukka Heinonen ◽  
Björn Marteinsson ◽  
Antti Säynäjoki ◽  
Juha-Matti Junnonen ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Residential Buildings ◽  
Construction Materials ◽  
Residential Building ◽  
Time Frame ◽  
Building Sector ◽  
Concrete Element ◽  
The Impact

Traditionally, the emissions embodied in construction materials have not been considered important; however, they are becoming crucial due to the short time-frame in which the emissions should be reduced. Moreover, evaluating the environmental burden of construction materials has proven problematic and the reliability of the reported impact estimates is questionable. More reliable information from the construction sector is thus urgently needed to back and guide decision-making. Currently, the building sector environmental impact assessments predominantly employ commercial software with environmental impact databases and report results without knowledge about the impact of the software/database choice on the results. In this study, estimates for the embodied environmental impacts of residential construction from the two most widely used life cycle assessment (LCA) database-software combinations, ecoinvent with SimaPro software and GaBi, are compared to recognize the uniformities and inconsistencies. The impacts caused by two residential buildings of different types, a concrete-element multi-story residential building and a detached wooden house, both located in Finland, were assessed, including all building systems with a high level of detail. Based on the ReCiPe Midpoint method, fifteen impact categories were estimated and compared. The results confirm that the tool choice significantly affects the outcome. For the whole building, the difference is significant, around 15%, even in the most widely assessed category of Climate Change, and yields results that lean in different directions for the two cases. In the others, the estimates are entirely different, 40% or more in the majority of the categories and up to several thousand percentages of difference. The main conclusion is that extensive work is still urgently needed to improve the reliability of LCA tools in the building sector in order to provide reliable and trustworthy information for policy-making.

Sign in / Sign up

Export Citation Format

Share Document