Lesson 1Checkin' data quality: time, place, tech representativeness an' uncertaintyDis section show data quality check fi LCI, coverin' time, place, an' tech representativeness, completeness, precision, an' uncertainty, an' how fi score an' document quality fi bottle system datasets.
Time representativeness an' data agePlace coverage an' regional relevanceTech representativeness of processesCompleteness an' precision of inventory flowsQualitative scorin' an' uncertainty flagsLesson 2Transport modelin': mode choices, typical distances fi North America an' Europe, fuel an' load factorsDis section explain how fi model freight transport fi bottle systems, includin' choosin' transport modes, estimatin' typical regional distances, an' settin' realistic fuel use, load factors, an' backhaul assumptions fi North America an' Europe.
Selectin' relevant freight transport modesTypical road, rail, sea distances by regionEstimatin' fuel consumption an' emission factorsModelin' load factors an' empty backhaulsAllocatin' transport to functional unitLesson 3Identifin' required inventory flows: materials, energy, transport, water, wasteDis section introduce how fi identify all required inventory flows fi bottle LCIs, includin' materials, energy, transport, water, emissions, an' waste, an' how fi ensure completeness an' consistency wid de functional unit.
Linkin' flows to de functional unitListin' material inputs an' auxiliary materialsIdentifin' energy carriers an' utilitiesCapturin' transport, water, an' emissionsCheckin' completeness an' avoidin' double countin'Lesson 4Usin' secondary datasets: ecoinvent, US LCI, ELCD, GaBi proxies — how fi search an' select matchin' processesDis section focus pon selectin' an' usin' secondary LCI datasets from sources like ecoinvent, US LCI, ELCD, an' GaBi, includin' search strategies, proxy selection, metadata checks, an' adaptin' datasets to bottle system needs.
Searchin' databases fi matchin' processesInterpretin' metadata an' system boundariesChoosin' an' justifyin' proxy processesAdaptin' datasets to regional conditionsHandlin' cutoffs an' allocation in datasetsLesson 5Documentin' sources an' citin' datasets, papers, calculators, an' government statisticsDis section explain how fi transparently document all LCI sources, includin' databases, peer-reviewed papers, industry reports, calculators, an' government statistics, an' how fi cite dem consistently fi reproducible bottle studies.
Creatin' a structured LCI data logReferencin' LCI databases an' versionsCitin' peer-reviewed an' industry studiesUsin' an' documentin' online calculatorsReferencin' government an' statistical dataLesson 6Modelin' manufacturin' processes: steel production, injection/stretch blow moldin' fi PET, formin' an' finishin'Dis section cover modelin' manufacturin' processes fi PET an' stainless steel bottles, includin' steelmakin' routes, PET resin production, injection an' stretch blow moldin', formin', trimmmin', finishin', an' integratin' scrap an' yield losses.
Steelmaking routes an' alloy specificationsPET resin production an' dryin' stepsInjection an' stretch blow moldin' parametersFormin', trimmmin', an' surface finishin'Modelin' scrap rates an' material yield lossesLesson 7End-of-life pathways: recyclin' rates, mechanical recyclin' processes fi PET an' stainless steel, landfill, incineration wid energy recoveryDis section explain how fi model end-of-life fi PET an' stainless steel bottles, includin' regional recyclin' rates, mechanical recyclin' processes, landfill an' incineration wid energy recovery, an' allocation of recyclin' benefits an' burdens.
Collectin' regional recyclin' an' disposal ratesModelin' PET mechanical recyclin' processesModelin' stainless steel recyclin' routesLandfill an' incineration wid energy recoveryAllocation approaches fi recyclin' creditsLesson 8Estimatin' material composition an' mass flows fi stainless steel an' PET bottlesDis section describe how fi estimate material composition an' mass flows fi PET an' stainless steel bottles, includin' wall thickness, closures, labels, secondary components, an' how fi translate drawings or bills of materials into LCI inputs.
Interpretin' drawings an' specificationsEstimatin' PET an' steel wall thicknessesAccountin' fi caps, labels, an' coatingsConvertin' volumes to masses an' densitiesBuildin' mass balance tables fi de LCILesson 9Use-phase modelin' fi reusable bottles: washin' scenarios (hand vs. dishwasher), frequency of reuse, cleanin' agents an' hot water energyDis section detail how fi model de use phase of reusable bottles, includin' washin' frequency, hand versus dishwasher cleanin', hot water energy demand, detergent use, an' user behavior scenarios dat strongly influence overall LCI results.
Definin' realistic reuse frequency scenariosHand washin' water, energy, an' detergent useDishwasher cycles, loadin', an' energy profilesModelin' hot water generation an' fuel mixesSensitivity analysis pon user behavior patterns