LCA at TU Braunschweig

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Exemplary flashcards for LCA at the TU Braunschweig on StudySmarter:

What are the questions that have to be asked through the goal definition?

Exemplary flashcards for LCA at the TU Braunschweig on StudySmarter:

What are the questions that have to be asked during the scope definition?

Exemplary flashcards for LCA at the TU Braunschweig on StudySmarter:

What Questions have to be asked during the inventory analysis?

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Exemplary flashcards for LCA at the TU Braunschweig on StudySmarter:

What are the questions that have to be asked through the impact assassment?

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What are the contents of the interpretation phase?

Exemplary flashcards for LCA at the TU Braunschweig on StudySmarter:

Give examples for LCA applications in different sectors.

Exemplary flashcards for LCA at the TU Braunschweig on StudySmarter:

Why is life cycle inventory analysis (LCIA) needed?

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Exemplary flashcards for LCA at the TU Braunschweig on StudySmarter:

What are the areas of protection (AoP)? Give examples what these represent.

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What are mitpoint impacts and what are endpoint impacts? Give examples for these.

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What is an impact pathway?

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Give examples for units used to represent endpoints (AoP).

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Why is a quantitative method for the analysation over the whole life cycle necessary?

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Exemplary flashcards for LCA at the TU Braunschweig on StudySmarter:

LCA

What are the questions that have to be asked through the goal definition?

  • Why is the LCA performed?
  • What is the goal of the study?
  • How shall the results be used?
  • To whom are they communicated?

LCA

What are the questions that have to be asked during the scope definition?

  • Which processes are included in the system?
  • Are all process steps from the preceding chains considered?
  • Are specific material or energy flows or environmental impacts excluded from the consideration?

LCA

What Questions have to be asked during the inventory analysis?

  • Which input and output materials can be identified?
  • Which material and energy value streams flow within the observed system?

Understanding and accounting of input and output flows within the observed system

LCA

What are the questions that have to be asked through the impact assassment?

Uses data from the inventory analysis.

  • Is the input and output of substances linked with environmental impacts?
  • Which potential environmental impacts occur during the life cycle of the examined system?

Determination of potential environmental impacts resulting from extraction, use and disposal of energy and materials.

LCA

What are the contents of the interpretation phase?

  • Includes priority-setting, weighting of different environmental impacts and ecological optimization
  • Sensitivity analyses help to audit data quality and system parameters as well as impact allocations and cut-off criteria.

Integration and conclusion of LCA results as recommendations for decision makers.

LCA

Give examples for LCA applications in different sectors.

Industrial and urban sector

  • Develop and improve products and processes through comparison of ingredients, components and holistic concepts
  • Develop long-term strategies
  • Public relations and marketing

Politics

  • Scientific foundation on environmental impacts for decision processes

LCA

Why is life cycle inventory analysis (LCIA) needed?

Production systems have numerous elementary flows that got listed during the live cycle inventory (LCI). Conclusions about their impacts on the ecosphere cannot directly be drawn from that list. LCIA methods translate the LCI results into potential impacts on the environment.

LCA

What are the areas of protection (AoP)? Give examples what these represent.

  • Health of humans: Illnes, Natural disasters, Hunger, ...
  • Natural systems: UV Protection, Temperatur regulation of air, water and surface, Regulation of freshwater availability, ...
  • Resources including biodiversity: Deposit of materials and energy carriers, Biotic resources, Land, ...

LCA

What are mitpoint impacts and what are endpoint impacts? Give examples for these.

  • Midpoints are environmental impacts that get directly influenced by the elementary flow.
    • single midpoints can be influenced by multible elementary flows and can have influence on multible endpoints
    • Examples: Climate change, Human toxicity, Land use, ...
  • Endpoints wrap different midpoint effect in an overall representive so called area of protection together.

LCA

What is an impact pathway?

A flow chart that connects the elementary flows from the inventory, over the midpoints to the areas of protection.

LCA

Give examples for units used to represent endpoints (AoP).

  • DALY (Disability-Adjusted Life Years) for human health
  • PDF (Potential Dissapeared Fraction) for ecosystem damage

LCA

Why is a quantitative method for the analysation over the whole life cycle necessary?

Because a non quantitative comparison can hide the shifting of problems between the different life cycle phases.

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l at

Europa-Universität Flensburg

LC1 TGAW at

Universität Koblenz-Landau

LCM 1 at

Technische Hochschule Mittelhessen

L&L at

Universität Erfurt

LP at

Universität Koblenz-Landau

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