LCA insulation materials

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Information about LCA insulation materials
Technology

Published on December 15, 2008

Author: mvanwijnendaele

Source: slideshare.net

Description

polyurethane insulation material life cycle assessment integration in building design

Life Cycle Assessment van isolatie: y isolatie: integratie in het bouwkundig ontwerp Sam De Jongh – Matthias Van Wijnendaele

Uitdagingen Aarde warmt op Bouwsector 1/3 CO2 uitstoot Trias Energetica 1 Reductie 60 à 90% Isolatie 20 à 50% Sam De Jongh – Matthias Van Wijnendaele 2

Uitdagingen Aarde warmt op Bouwsector 1/3 CO2 uitstoot Trias Energetica 1 Reductie 60 à 90% Isolatie 20 à 50% Sam De Jongh – Matthias Van Wijnendaele 3

Life Cycle Assessment C dl t Cradle-to-gate t C dl t Cradle-to-grave Cradle-to-cradle C dl t dl • Ontstaan O s aa • Alle fasen in e ase • Recyclage in ecyc age • Verbeteren rekening eindfase productieproces • Gebouwen • Start in • Vergelijken • Materiaalkeuze ontwerpfase producten • Gebouwen • Leiden tot EPD • Mc Donough Sam De Jongh – Matthias Van Wijnendaele 4

Life Cycle Assessment Omschrijving doel en bereik Inventaris Interpretatie analyse Beoordeling impact p Sam De Jongh – Matthias Van Wijnendaele 5

Life Cycle Assessment Omschrijving doel en bereik Inventaris Interpretatie analyse Beoordeling impact p Sam De Jongh – Matthias Van Wijnendaele 6

LCA – doel en bereik Vergelijken isolatiematerialen Functionele eenheid: 1 m² spouwmuur <-> 1 kg isolatiemateriaal <-> gebouw als geheel (GreenCalc +) 60 jaar Sam De Jongh – Matthias Van Wijnendaele 7

Life Cycle Assessment Omschrijving doel en bereik Inventaris Interpretatie analyse Beoordeling impact p Sam De Jongh – Matthias Van Wijnendaele 8

LCA - inventarisatie Eco Invent 2000 – Database: 4000 datasets – Energie, transport, bouwmaterialen, afval, … Energie, bouwmaterialen, afval, – Ingebouwde energie EPD – Environmental Product Declaration – CEN – Snel consulteerbaar en overzichtelijk j Energie- Energie-efficiëntie – EPB, TRNSYS, vereenvoudiging , , g g Sam De Jongh – Matthias Van Wijnendaele 9

LCA - inventarisatie Onzekerheden en tijdsinstabiliteit – Transport T t – Correcte uitvoering en onderhoud – Gebruiksfase ( -> monitoring) b k f (<- (< ) – Eindfase Sam De Jongh – Matthias Van Wijnendaele 10

Life Cycle Assessment Omschrijving doel en bereik Inventaris Interpretatie analyse Beoordeling impact p Sam De Jongh – Matthias Van Wijnendaele 11

LCA – beoordeling impact Categorieën Depletion of raw material RESOURCE Use of land and space SPACE Global warming potential GWP Ozon depletion potential p p ODP Acidification potential AP Nutrification potential NP Photochemical ozone creation potential POCP Human and ecotoxicity TOXIC Non-renewable primary energy NRPE Renewable primary energy RPE Sam De Jongh – Matthias Van Wijnendaele 12

LCA – beoordeling impact Categorieën Depletion of raw material RESOURCE Use of land and space SPACE Global warming potential GWP Ozon depletion potential p p ODP Acidification potential AP Nutrification potential NP Photochemical ozone creation potential POCP Human and ecotoxicity TOXIC Non-renewable primary energy NRPE Renewable primary energy RPE Sam De Jongh – Matthias Van Wijnendaele 13

Case studies 1 m spouwmuur m² 1 1. 16 cm PUR U = 0,14 W/m²K 2. 26 cm MW 3. Niet geïsoleerd U = 2,82 W/m²K 4 Ytong 4. U = 0,58 W/m²K W/m K Norm U ≤ 0,6 W/m²K , / Sam De Jongh – Matthias Van Wijnendaele 14

Case studies U = 0,14 W/m²K , / Sam De Jongh – Matthias Van Wijnendaele 15

Case studies Primair energieverbruik kg CO2-uitstoot – 90% k l d ketelrendement – 0,056 kg CO2/MJ 1. 1 PUR 172 kg k 2. Rockwool 172 kg 3. Niet-geïsoleerd 3466 kg 4. YTONG 676 kg Sam De Jongh – Matthias Van Wijnendaele 16

Case studies DALY of 4 case studies over 60 years 0,80 0,70 0,60 0,50 0 50 DALY 0,40 ODP GWP 0,30 0,20 0,10 0,00 Massive PU Massive MW Uninsulated YTONG wall Sam De Jongh – Matthias Van Wijnendaele 17

Case studies Embodied E b di d energy vs Primary energy use Pi over 60 years per m² wall 1,20 1,00 massive PU: Embodi energy (GJ) Highest embodied 0,80 energy 0,60 ied 0,40 uninsulated wall: Highest Primary 0,20 Energy Use 0,00 0 50 100 150 200 250 Primary Energy Use (GJ) Sam De Jongh – Matthias Van Wijnendaele 18

Case studies Embodied energy vs Primary energy over 60 years per m² wall 1,20 1,00 16 cm MW GJ) Embodie energy (G 0,80 16 cm PU PU: Lower primary 0,60 energy use ed 0,40 0,20 0 20 0,00 2,90 3,00 3,10 3,20 Primary Energy Use (GJ) Sam De Jongh – Matthias Van Wijnendaele 19

Discussion Eco Invent – Voor simulaties, niet toegankelijk voor ontwerper ENP – Gemiddelde waarde 1 m² paneel (dikte, densiteit?) EPD – EPD eenvoudig, maar vaak onvergelijkbaar – Verdere standaardisatie CEN noodzakelijk j Sam De Jongh – Matthias Van Wijnendaele 20

Besluit LCA – Allesomvattend, Allesomvattend gebouwbenadering – Toekomst – Vergelijking ingebouwde energie en verbruik g j g g g – Kritische benadering data Sleutelparameters – Performantie isolatiewaarde in toepassing/tijd – λ-waarde bij beperkte isolatiedikte en gewicht – Kostevaluatie Sam De Jongh – Matthias Van Wijnendaele 21

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