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Key Data Set Information
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Location
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CN
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Reference year
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2004
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Name
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cement production;cement, portland cement, 42.5MPa;shaft kiln
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Use advice for data set
| When utilizing this LCA dataset for Portland cement production, it is critical to ensure that the system boundary includes the entire in-plant production process from raw material pretreatment to the homogenization of cement, as well as the input of external resources and release of emissions. It is important to consider the specific emissions profiles of the shaft kiln process, particularly the consumption of electricity and coal, and the generation of particulate matter, SO2, NOx, and CO2. The functional unit for this dataset is 1kg of 42.5 grade Portland cement, and this detail must be considered when scaling the data for use in broader models or assessments. Any considerations for the end-of-life phase, including recycling or waste treatment, must be added to the existing data set according to the specific context of the evaluation. |
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Technical purpose of product or process
| The described cement production process is used for manufacturing Portland cement with a strength grade of 42.5MPa. This type of cement is widely used in construction for structures requiring high mechanical strength, road pavements, and commercial concrete applications. The shaft kiln method specified in the process is employed to produce cement in areas where the scale of production or technological considerations dictate its use over other types of kilns. |
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Classification
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Class name
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Hierarchy level
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| Typical cement production process. |
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Copyright
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No
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Owner of data set
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Quantitative reference
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Reference flow(s)
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Technological representativeness
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Mathematical model
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Model description
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The study used 1kg of 42.5 grade Portland cement as the functional unit for evaluation. The scope of evaluation is defined as the in-plant production process of cement products and its surrounding environment. Among them, the in-plant production process refers to the entire production process in which raw materials undergo pretreatment, raw meal grinding, calcination, clinker mill and cement homogenization in sequence and finally become cement products. The surrounding environment of the cement production process refers to the input of external resources and energy and the emission of pollutants.
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