LCM Luxembourg Current models and approaches for data matching and - - PowerPoint PPT Presentation

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LCM Luxembourg Current models and approaches for data matching and - - PowerPoint PPT Presentation

LCM Luxembourg Current models and approaches for data matching and modeling of chemical production Gregor Wernet, Tereza Levova, Guillaume Bourgault 1 Trust in Transparency! What is ecoinvent? A Swiss not-for-profit association


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LCM Luxembourg

Current models and approaches for data matching and modeling of chemical production

Gregor Wernet, Tereza Levova, Guillaume Bourgault

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What is ecoinvent?

  • A Swiss not-for-profit association
  • Publishes the ecoinvent database, which contains Life Cycle Inventory data
  • n many thousands of products and services
  • Tens of thousands of users from over 80 countries
  • Primary users are industry, researchers, consultants and policy makers
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What does the database contain?

  • More than 12’500 datasets for over 2’700

products

  • Data for up to 157 distinct geographies and
  • ver 80 countries
  • Core features of consistency, reliability and

transparency

  • Background database, which contains average data on different materials

and services at a product level, originally for process LCA

  • e.g. energy, basic materials, agriculture, transport, machinery, …
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ecoinvent as a PEF data provider

  • ecoinvent is a data provider for the PEF pilot phase
  • Many of the data tenders are based on ecoinvent data in the

background

  • ecoinvent was a direct data supplier for 270 products, and over

800 datasets, on the production of chemicals

  • Roughly 3 months for delivery
  • How to deal with significant data needs on chemical products
  • n short notice, while delivering quality and integrating

primary data?

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The PEF chemicals tender

  • Prepare the background database
  • Integrate PEF energy and transport data, export and format questions
  • Screen our existing data against the quality criteria
  • Existing data received updates or replacements if needed
  • Around 80 chemicals needed completely new datasets
  • Upstream supply chains also needed
  • Around 200 new chemicals unit process datasets created
  • Industry stakeholder group discussion
  • Timeframe made collaboration difficult, but several sources provided

data

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The PEF chemicals tender

  • Created a framework model that provides a unit process result,

with each part of the process adaptable

  • Integrate primary data and more specific models in the project,
  • ften at the data point level
  • “Modular model” approach
  • Datasets can be upgraded on specific topics when data becomes

available, but fallback options are available if there are issues in data supply

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The PEF chemicals tender

  • Create stoichiometric model of the reactions required, with

reactants and other reagents

  • Average values for yield, heat, electricity, water and supporting

processes are available from industry reports

  • Air emission model based on vapor pressure, filtering systems and

toxicity

  • Waste water treatment model determines water emissions
  • Previous models existed but all aspects of the model have been

updated and extended for this project

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The unit process model

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The unit process model

  • Start with a simple model and add what can be added
  • Yield factors
  • By-product fates
  • Energy demand
  • Solvents, disposal pathways
  • Additional supporting activities were also updated (e.g. thermal

energy

  • Discuss results with experts
  • Review, compare, validate, repeat
  • Documentation, metadata, quality indicators
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The unit process model

  • Project was an interesting combination of data format and data

requirement issues and high-efficiency data generation

  • The flexible model of chemical unit processes allows users to work

with various data availabilities

  • Model is accessible, with all values and sources
  • Datasets list source types and acknowledge industry sources in

coordination with the data providers

  • Data are now used in the PEF pilot projects, and many will also be

published in the upcoming ecoinvent 3.4

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The world’s most consistent and transparent Life Cycle Inventory database

Thank you for your attention!