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Process Data set: cement production;cement, common portland cement;China average (en) en zh

Key Data Set Information
Location CN
Reference year 2010
Name
cement production;cement, common portland cement;China average
Use advice for data set When using this dataset, users should consider the geographical scope and the average market shares for different production technologies and scales as contextual information. The data should be adapted for use in LCA models that account for similar technology and scale distributions. The system boundary includes mining and processing of raw materials, energy production, and transportation. Caution should be taken when extrapolating this data to other regions or conditions not represented by the dataset. The LCI data is based on allocations for transportation distances specific to this dataset, which may require adjustment if applying to different transportation scenarios.
Technical purpose of product or process The common portland cement described in this dataset is used in a variety of construction applications, ranging from infrastructure to residential buildings. It represents a general-purpose construction material typical for large-scale projects including bridges, highways, and skyscrapers within China.
Classification
Class name : Hierarchy level
  • ILCD: Unit processes / Materials production / Other mineralic materials
General comment on data set The average data for China are based on market shares for each cement production process technology and size, and the respective raw material consumption. Market shares of cement production process technologies and sizes: large new dry process (>4000 t-clinker/day), 29.32%; medium new dry process (2000-4000 t-clinker/day), 23.21%; small new dry process (<2000 t-clinker/day), 9.29%; shaft kiln (<2000 t-clinker/day), 38.18%.
Copyright No
Owner of data set
Quantitative reference
Reference flow(s)
Technological representativeness
Technology description including background system Market share of cement production process technology and scale: large-scale new dry process (>4000 tons-clinker/day), 29.32%; medium-sized new dry process (2000~4000 tons-clinker/day), 23.21%; small-scale new dry process Method (<2000 tons-clinker/day), 9.29%; vertical kiln (<2000 tons-clinker/day), 38.18%.
Flow diagram(s) or picture(s)
  • MJgTbpr3Co08jMxaA1vcMqb1nrf.png Image
Mathematical model
Model description Take 1 ton of general cement produced in China with a clinker content of 70% as the functional unit. The scope of the system boundary is defined as: the mining and processing of raw materials, the production of energy, the manufacturing and sales of cement, and the transportation processes involved in the middle.
LCI method and allocation
Type of data set LCI result
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 The life cycle inventory of electricity production and coal mining comes from the early data collection of Sichuan University; the life cycle inventory of road transportation comes from Ma Liping's master's thesis. Considering the transportation of raw materials and final products in the cement production process, it is assumed that the transportation mileage is as follows: 3km of road transportation for raw materials such as limestone and clay; 50km for coal road transportation; 200km for cement products.
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) 2024-04-19T19:02:06+08:00
Publication and ownership
UUID 819dca5d-3347-461b-acae-77b5b4dd39f4
Date of last revision 2024-04-20T14:40:21.787876+08:00
Data set version 00.01.005
Permanent data set URI https://lcadata.tiangong.world/showProcess.xhtml?uuid=819dca5d-3347-461b-acae-77b5b4dd39f4&amp;version=01.00.000&amp;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
Elementary flow
Resources / Resources from ground / Non-renewable material resources from ground 1600.0 kg1600.0 kg
General comment Limestone
Elementary flow
Resources / Resources from ground / Non-renewable material resources from ground 130.0 kg130.0 kg
General comment Clay
Product flow
Materials production / Other mineralic materials 0.339 kg0.339 kg
General comment Sandstone
Elementary flow
Resources / Resources from ground / Non-renewable material resources from ground 50.5 kg50.5 kg
General comment Gypsum
Elementary flow
Resources / Resources from water / Renewable material resources from water 369.0 m3369.0 m3
General comment Freshwater
Elementary flow
Resources / Resources from ground / Non-renewable energy resources from ground 192.0 MJ192.0 MJ
General comment Coal. Note: the term used in the literature is "raw coal", which is expressed as "coal" in LCI. Since the specific type cannot be determined, the term "raw coal" is still used as in the previous section.
Elementary flow
Resources / Resources from ground / Non-renewable energy resources from ground 8.25 MJ8.25 MJ
General comment Petroleum
Elementary flow
Resources / Resources from ground / Non-renewable energy resources from ground 4.7E-4 MJ4.7E-4 MJ
General comment Natural gas

Outputs

Type of flow Classification Flow Location Mean amount Resulting amount Minimum amount Maximum amount
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 698.0 kg698.0 kg
General comment CO2
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 0.126 kg0.126 kg
General comment CO
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 0.897 kg0.897 kg
General comment CH4
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 1.38 kg1.38 kg
General comment NOX
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 0.813 kg0.813 kg
General comment SO2
Elementary flow
Emissions / Emissions to water / Emissions to water, unspecified 0.242 kg0.242 kg
General comment COD
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 0.218 kg0.218 kg
General comment PM10
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 0.196 kg0.196 kg
General comment PM2.5-10
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 0.41 kg0.41 kg
General comment PM2.5
Elementary flow
Emissions / Emissions to air / Emissions to air, unspecified 0.207 kg0.207 kg
General comment Particulate matter (PM), with an unspecified particle size, is treated as PM > 10 micrometers in diameter.
Product flow
Materials production / Other mineralic materials 1000.0 kg1000.0 kg
General comment General cement with a clinker content of 70%