Life Cycle Analysis & Recycling (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards
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What does LCA stand for?
What does LCA stand for?
Life Cycle Assessment
What is the purpose of an LCA?
What is the purpose of an LCA?
Evaluate environmental impact of products throughout lifespan
List the five stages of an LCA
List the five stages of an LCA
Extraction, manufacturing, distribution, use, disposal
Environmental impacts of materials extraction
Environmental impacts of materials extraction
Mining destroys environments and generates carbon emissions
Environmental impacts of manufacturing
Environmental impacts of manufacturing
Large volumes of carbon emissions and waste
Main environmental impact of distribution
Main environmental impact of distribution
Carbon emissions from transportation
Three disposal methods in LCA
Three disposal methods in LCA
Recycling, incineration, and landfilling
Environmental risk of landfills
Environmental risk of landfills
Release toxic pollutants into groundwater
Raw material for plastic bags
Raw material for plastic bags
Crude oil (non-renewable resource)
Raw material for paper bags
Raw material for paper bags
Trees (renewable resource)
Plastic bags disposal characteristics
Plastic bags disposal characteristics
Non-biodegradable and not recyclable
Paper bags disposal characteristics
Paper bags disposal characteristics
Biodegradable and recyclable
LCA limitation: assessment variability
LCA limitation: assessment variability
Subjective judgements on scale and severity of impacts
LCA limitation: reliability issue
LCA limitation: reliability issue
Can be manipulated to produce desired outcomes