A Life Cycle Approach to Environmental Sustainability in Aggregate Production Systems

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A Life Cycle Approach to Environmental Sustainability in Aggregate Production Systems

Lee, Christina, 1992 (författare): Chalmers tekniska högskola,Chalmers University of Technology

(creator_code:org_t)

Gothenburg, 2024
Engelska.

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Licentiatavhandling (övrigt vetenskapligt/konstnärligt)

Abstract Ämnesord

Stäng

Rock materials, such as sand, gravel, and crushed rock, serve as the foundation of our society. Known collectively as aggregates, these materials are essential for building foundations, concrete, and roads, making them the second most extracted material globally after water. Since these materials are often extracted directly from nature, responsible production is crucial to ensure long-term environmental sustainability. Meeting sustainability objectives requires comprehensive environmental reporting to fulfil Environmental, Social, and Governance (ESG) demands. In response to this need, Environmental Product Declarations (EPDs) have gained prominence in the construction sector. However, EPDs, based on Life Cycle Assessment (LCA), do not fully capture all relevant environmental aspects for aggregate extraction and production facilities, often referred to as quarries. This highlights the need for a holistic perspective when it comes to environmental management. EPDs can also cause challenges for producers who may face resource constraints, data collection difficulties, and limitations in environmental knowledge during the process of producing an EPD. Moreover, regarding EPDs solely as communication tools overlooks a value creation opportunity to identify environmental improvements in production systems. Therefore, integrating LCA with production simulations can enhance environmental management, necessitating the development of tools that simplify and support producers in this endeavour. This thesis proposes a tool structure based on the development work of an industry-specific EPD software tool, and explores its integration into environmental management practices for quarries, with the aim of improving environmental performance. By identifying potential industry-specific environmental impacts, the thesis highlights knowledge gaps and delineates the limitations of LCA tools when combined with production simulations aiming towards a more holistic perspective of environmental performance. Additionally, it offers recommendations for best practices in combining LCA tools into quarry environmental management to overcome limitations, and identifies key areas where industry improvements can be achieved.

Ämnesord

TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Annan naturresursteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Other Environmental Engineering (hsv//eng)
TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Miljöledning (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Environmental Management (hsv//eng)
TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Miljöanalys och bygginformationsteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Environmental Analysis and Construction Information Technology (hsv//eng)
NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)

Nyckelord

Aggregates
Gravel
Sand
LCA
Production Systems
Sustainability
Life Cycle Assessment
Environmental Management
EPDs
Quarries
Tool Development
Environmental Impact
Environmental Product Declarations
Construction Products

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TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Naturresurstekni ...; och Annan naturresur ...

TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Naturresurstekni ...; och Miljöledning

TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Samhällsbyggnads ...; och Miljöanalys och ...

NATURVETENSKAP: NATURVETENSKAP; och Geovetenskap och ...; och Miljövetenskap

Av lärosätet: Chalmers tekniska högskola

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