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Process Data set: Alumina production ; Alumina for metallurgy ; Bauxite (en) en zh

Key Data Set Information
Location CN
Reference year 2015
Name
Alumina production ; Alumina for metallurgy ; Bauxite
Use advice for data set Users of this LCA data should note that the dataset is representative of alumina production for the metallurgy of primary aluminium as of 2015, following data from the International Aluminium Institute (IAI). It covers the unit process (singular operation) and accounts for inputs and background processes contributing to at least 1% of the total input mass. When applying this data, acknowledge that some inputs and processes may have been excluded due to their minimal contribution. Take care to use the data within its intended context, specifically in modeling the environmental impacts of primary aluminium production. Reconciliation with newer data is advised when available to account for technological and methodological advances.
Technical purpose of product or process The alumina produced in this industrial process is intended for use in metallurgical applications, specifically in the production of primary aluminium. This high purity alumina is sourced from bauxite and is an essential raw material for the aluminium industry. Its usage includes serving as a precursor for the electrolytic process of aluminium extraction in smelters.
Classification
Class name : Hierarchy level
  • ILCD: Materials production / Non-energetic raw materials
General comment on data set The alumina produced in this industrial process is intended for use in metallurgical applications, specifically in the production of primary aluminium. This high purity alumina is sourced from bauxite and is an essential raw material for the aluminium industry. Its usage includes serving as a precursor for the electrolytic process of aluminium extraction in smelters.
Copyright No
Owner of data set
Quantitative reference
Reference flow(s)
Time representativeness
Time representativeness description IAI 2015 (Gabi dataset)
Technological representativeness
Flow diagram(s) or picture(s)
  • V5ueboMYTo2TuBxmN7uc7eqVn0d.png Image
LCI method and allocation
Type of data set Unit process, single operation
Deviation from LCI method principle / explanations None
Deviation from modelling constants / explanations None
Data sources, treatment and representativeness
Deviation from data cut-off and completeness principles / explanations None
Data selection and combination principles For reliable findings, the most recent and representative data were considered. Regional or country-specific data were used when provided in the GaBi© “professional and extension” database (SP 39) or in the literature. If location-specific data were not found, either comparable data for the country or global data were used. For consistency, data from the same source and year were used if available. Due to data availability, the study did not consider some inputs and background processes if they contributed less than 1% to the total input mass. For primary aluminium production, this study used the most recent LCI data from 2015 provided by the International Aluminium Institute (IAI) (International Aluminium Institute, 2017b). IAI data were used because the IAI is an established institute that considers primary aluminium production worldwide and the data were used in studies e.g. from the Aluminium Association and from the European Aluminium Association (Aluminum Association, 2013; European Aluminium Association, 2018). In terms of the LCA data of standardized primary aluminium production, only few uncertainties occurred. Generally, the composition of these data could be fully explained and reconstructed.
Deviation from data selection and combination principles / explanations None
Deviation from data treatment and extrapolations principles / explanations None
Data source(s) used for this data set
Completeness
Completeness of product model No statement
Validation
Type of review
Dependent internal review
Reviewer name and institution
Data generator
Data set generator / modeller
Data entry by
Time stamp (last saved) 2024-05-01T17:03:48+08:00
Publication and ownership
UUID bae7b666-4170-4363-b83b-282daac6a6cb
Date of last revision 2024-05-13T14:41:32.249680+08:00
Data set version 01.00.005
Permanent data set URI https://lcadata.tiangong.world/showProcess.xhtml?uuid=bae7b666-4170-4363-b83b-282daac6a6cb&version=01.00.000&stock=TianGong
Owner of data set
Copyright No
License type Free of charge for all users and uses

Inputs

Type of flow Classification Flow Location Mean amount Resulting amount Minimum amount Maximum amount
Product flow
Energy carriers and technologies / Electricity 1173.6000000000001 MJ1173.6000000000001 MJ
General comment Electricity [kWh]
Elementary flow
Resources / Resources from ground / Non-renewable material resources from ground 2846.9458 kg2846.9458 kg
General comment Bauxite [kg] ; CN: 2/3 Chinese bauxite, 1/3 Guinean bauxite (see Chapter 3.1.2.2)
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 72.96525 kg72.96525 kg
General comment Caustic soda [kg]
Product flow
Materials production / Glass and ceramics 31.54611 kg31.54611 kg
General comment Calcined lime [kg]
Product flow
Energy carriers and technologies / Crude oil based fuels 547.07522 m3547.07522 m3
General comment Heavy oil [MJ]
Product flow
Materials production / Organic chemicals 1.93245 kg1.93245 kg
General comment Diesel oil [MJ]
Product flow
Energy carriers and technologies / Natural gas based fuels 24.23249 kg24.23249 kg
General comment Natural gas [MJ]
Product flow
Materials production / Inorganic chemicals 10939.004 kg10939.004 kg
General comment hard coal [MJ]
Product flow
Energy carriers and technologies / Heat and steam 125.0 m3125.0 m3
General comment Process steam from natural gas 85% [MJ]
Elementary flow
Resources / Resources from water / Renewable material resources from water 2.03306 m32.03306 m3
General comment Fresh water [m3]

Outputs

Type of flow Classification Flow Location Mean amount Resulting amount Minimum amount Maximum amount
Product flow
Materials production / Metals and semimetals 1000.0 m31000.0 m3
General comment Alumina [kg]
Product flow
Emissions / Other substance type 0.4718 kg0.4718 kg
General comment Dust (PM10) [kg] emission to air
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 1.2E-4 kg1.2E-4 kg
General comment Mercury (to air) [kg]
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 636.3399 kg636.3399 kg
General comment Water vapour [kg] emission to air
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 1.13828 kg1.13828 kg
General comment Sulfur dioxide [kg] emission to air
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 0.61248 kg0.61248 kg
General comment Nitrous oxide [kg] (laughing gas) [Inorganic emissions to air]
Elementary flow
Emissions / Emissions to water / Emissions to water, unspecified 0.04132 kg0.04132 kg
General comment Suspended solids [kg] to fresh water
Elementary flow
Emissions / Emissions to water / Emissions to water, unspecified 1.68476 kg1.68476 kg
General comment Oil [kg] (unspecified) [Hydrocarbons to fresh water]
Elementary flow
Emissions / Emissions to water / Emissions to water, unspecified 4.67E-7 kg4.67E-7 kg
General comment Mercury (to fresh water) [kg]
Product flow
Materials production / Water 1872.59127 kg1872.59127 kg
General comment Processed water to river [kg]