Material flow analysis and life cycle assessment pdf

Many management decisions involving life cycle costs and maintenance can be made more confidently from reliability estimates generated by weibull analysis. A full life cycle analysis will help identify both the negative and positive. With respect to the application of these methods, lca is used for examining the impacts on the. This life cycle assessment analyzed the life cycle of three materials. The life cycle consists of the technical system of processes and transport routes used at, or needed for, raw materials extraction, production. Pdf combined material flow analysis and life cycle. The complexity of recycling this resource, however, is high due to different collection, separation and reprocessing steps. Modern civil engineering professionals often require an extensive understanding of construction management due to the strategic benefits it can bring to both individuals and project teams. Lifecycle assessment lca also called lifecycle analysis is a tool for examining the total environmental impact of a product through every step of its life from obtaining raw materials all the way through making it in a factory, selling it in a store, using it in the workplace or at home, and disposing of it. Binder, jaime diaz, and olivier jolliet summary three assessment methods, material.

Material flow analysis mfa and life cycle assessment lca have both widely been applied to support solid waste management swm decision making. Life cycle analysis lca applied to buildings aims to assess the potential environmental of buildings over the complete life cycle, from materials production to the endof life and management of waste disposal. Lca were initially developed for the analysis of simple products, i. How to know if and when its time to commission a life. Data from gagnon and panertos, 2009 report comparative environmental life cycle assessment of hand drying systems, prepared for excel. Life cycle assessment is not about how well one performs on an exercise bicycle but instead endeavors to characterize the environmental impacts of a product or service throughout its life cycle starting with obtaining raw materials and ending with disposal. Master thesis in sustainable development at uppsala university, 36 pp, 30 ectshp abstract. Lifecycle assessment lca also called life cycle analysis is a tool for examining the total environmental impact of a product through every step of its life from obtaining raw materials all the way through making it in a factory, selling it in a store, using it in the workplace or at home, and disposing of it. Life cycle assessment and cost analysis of distributed mixed wastewater and graywater treatment for water recycling in the context of an urban case study. A survey of unresolved problems in life cycle assessment.

A practice guide referred to as the practice guide in this document. The life cycle assessment lca technique used to evaluate potential environmental impacts of endoflife management scenarios. Material flow analysis an overview sciencedirect topics. Neyda abreu, associate professor, departments of mathematics and geoscience, the pennsylvania state university. Chinas paper industry development is rapid, but the recycling rate of chinas waste paper has been low all the time. Note on life cycle analysis university of michigan. Material flow analysis mfa was applied to study the route and amount of wastes following into their endoflife within the organization and time. A small gingerbread house is used instead of a real life building for the sake of simplicity, and also to focus. Material flow analysis and life cycle assessment study for. The aim was to perform comparative analysis of the materials by evaluating performance on multiple impact categories. Analysis of material, energy, and greenhouse gas flows of the meat and dairy supply chains in the eu28 for 2016.

Decarolisa, a department of civil, construction, and environmental engineering, nc state university, 2501 stinson drive. Pdf waste flow analysis and life cycle assessment of. Life cycle assessment lca is a wellknown and widely used approach to assessing the potential environmental impacts and resources used throughout a products life cycle, including raw material acquisition, production, distribution, use, and endof life phases 1. Combining material flow analysis, life cycle assessment, and multiattribute utility theory assessment of endof life scenarios for polyethylene terephthalate in tunja, colombia david rochat, claudia r. This tool can be used to identify and analyze the flow of materials added in and removed out from the system. The main focus of this report is to establish a comparative study of traditional and biodegradable vestplastic bag production through the utilization of a life cycle assessment lca. A combined material flow analysis mfa and life cycle assessment lca can be used to optimise the environmental performance of this recycling chain. Measuring material flows and resource productivity. Material flow analysis and life cycle assessment of danish. Material flow analysis mfa is a systematic assessment of flow and stock of materials within a temporal and spatial system.

Although researchers agree that the selected fu should cover the different influent qualities and different removal rates. Materials flow analysis models have traditionally been used to track the production, use, and consumption of materials. The gabi software is complemented by the most comprehensive, uptodate life cycle inventory database available. With over 4,500 life cycle inventory datasets based on. This courseware module is part of penn states college of earth and mineral sciences oer initiative. Construction material life cycle assessment and environmental impacts. Life cycle assessment of stone paper, polypropylene film. An effective system development life cycle sdlc should result in a high quality system that meets customer expectations, reaches completion within time and cost evaluations, and works effectively and efficiently in the current and planned information technology infrastructure. Environmental impact assessment of wood use in japan. It exists in multiple forms, claims a growing list of practitioners, and remains a focus of continuing research. Materials and energy flows in industry and ecosystem netwoks. As the industry becomes more competitive, organisations and their clients are increasingly demanding the. Analysis of material recovery facilities for use in life. Towards environmental profiling for office buildings using life cycle assessment lca by.

Therefore, present study integrates these two methods into the model construction of chinas waste paper recycling decision system. Three assessment methods, material flow analysis mfa, life cycle analysis lca, and multiattribute utility theory maut are systematically combined for supporting the choice of best end. Civil engineering and construction management heriot. Waste paper recycling decision system based on material. While life cycle methodology has been applied to all three. In this study, an integrated method, combining material flow analysis with life cycle assessment, was developed to analyze the environmental emissions and burdens of lead in labs. Life cycle assessment of side stream removal and recovery of nitrogen from wastewater treatment plants. Except where otherwise noted, content on this site is licensed under a creative commons attributionnoncommercialsharealike 4.

Life cycle assessment lca is one of the environmental assessment methods available along with material flow analysis mfa, comprehensive impact assessment cia, strategic environmental assessment sea, and environmental impact assessment eia. Life cycle assessment and cost analysis of distributed. We then conducted future projections of the impacts and reductions until 2050 based on multiple future scenarios of domestic forestry, wood, and energy use. Materials and energy flows in industry and ecosystem.

The mfa and lca studies were conducted to examine different recycling facilities of food. Material flow analysis mfa is a systematic assessment of the flows and stocks of materials within a system defined in space and time. A simple example introduction page 3 introduction this document presents a simple example of the steps in life cycle assessment of buildings. Material flow analysis and life cycle assessment of danish household waste factors of importance. Combining material flow analysis, life cycle assessment. The outcome can be relevant for the shoe industry when it comes to evaluating impact of shoes or as a foundation for further studies. Life cycle assessment lca stands as the preeminent tool for estimating environmental effects caused by products and processes from cradle to grave or cradle to cradle. Mfa is an important tool to study the biophysical aspects of human activity on different spatial and temporal scales. Life cycle assessment and sustainability analysis of. Material flow analysis mfa, also referred to as substance flow analysis sfa, is an analytical method to quantify flows and stocks of materials or substances in a welldefined system. In 1990, for example, a life cycle assessment was completed for the council for solid waste solutions, which compared the energy and environmental impacts of. The first type focuses on energy and materials flow in a manufacturing. This paper focuses on the evaluation of potential environmental impacts of food waste management practices by material flow analysis mfa and life cycle assessment lca during different life cycle stages toward the environmentally sustainable options for daejeon metropolitan city dmc in korea.

The following document provides an introductory overview of life cycle assessment lca and describes the general uses and major components of lca. Stone paper label system boundary and process flow. Three assessment methods, material flow analysis mfa, life cycle analysis lca, and multiattribute utility theory maut are systematically combined for supporting the choice of best endof. In this study, we used material flow analysis and life cycle assessment to quantify the environmental impacts and impact reductions related to wood consumption in japan from 1970 to 20. Life cycle assessment lca is the calculation and evaluation of the environmentally relevant inputs and outputs and the potential environmental impacts of the life cycle of a product, material or service. Lifecycle assessment or life cycle assessment lca, also known as life cycle analysis is a methodology for assessing environmental impacts associated with all the stages of the life cycle of a commercial product, process, or service. However, they are often applied independently rather than conjointly. Meanwhile, material flow analysis can help determine the flow of waste paper, and life cycle assessment lca is the methodological framework for quantifying greenhouse gas emissions. A mixedunit inputoutput model for environmental life. Gabi paper clip tutorial life cycle assessment lca. Advanced methods in resource and waste management series. Using material flow analysis and life cycle assessment in. Pdf the environmental burdens of leadacid batteries in. For instance, in the case of a manufactured product, environmental impacts are assessed from raw material extraction and processing cradle, through.

Material flow analysis mfa and life cycle assessment. Within the field of industrial ecology, she specialises in methodology development life cycle assessment, material flow analysis, substance flow analysis, natural resource accounting, and indicator development. Lca users aim to identify the most important aspects of the inventory analysis and the impact assessment. Publishers pdf, also known as version of record link back to dtu orbit citation apa. This document is an update and merger of two previous epa documents on lca life cycle assessment.