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Data set: cement production;cement, ordinary portland cement;mixed solid wastes (00.01.005)

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Full name cement production;cement, ordinary portland cement;mixed solid wastes

Location CN

Reference year 2004

Valid until

Reference flow(s) Cement, ordinary portland cement - 1000.0 * 1.0 kg (Mass)

Type LCI result

Parameterized? no

LCIA results included? no

Category Unit processes / Materials production / Other mineralic materials

Synonyms

Use advice for data set When using this data set for LCA purposes, ensure that the system boundary definition aligns with the scope of the assessment. The conversion ratio of the functional unit of 'P·O cement' to 'clinker' of 1:0.75 must be applied when comparing the impacts of different cement products. Data users should account for regional practice where the admixture content of P·O cement does not exceed 20% and the gypsum content does not exceed 5%. The input and output data applicability should also be verified against the specific time period (2004-2007 and 2010) and geographical context (China's Beijing-Tianjin-Hebei Economic Zone) provided.

Data set use approval

General comment In the burning or incineration process, the raw meal is fed from feed inlet to the preheater, and then falls into the calciner to decompose with coal combustion at 950 °C. Afterward, this decomposed materials fall into the kiln to be incinerated to form a new intermediate product–clinker over 1400 °C. This is New Suspended Preheater (NSP) technology. In 2012, there are more than 80% cement plants in China applying New Suspended Preheater (NSP) technology (CCA, 2013). In the final finishing process, cement is produced by granulating clinker, admixture and gypsum finely in cement grinding mill.

LCI Method Principle

LCI Method Approaches No records found.

Completeness of product model No statement

Reviews Dependent internal review by Tiangong LCI Data Working Group

License and access conditions Copyright no License type Free of charge for all users and uses

Owner of data set Tiangong LCI Data Working Group

Technical purpose This data set represents the ordinary Portland cement production process using New Suspended Preheater (NSP) technology. The described cement is predominantly used in construction and infrastructure projects, such as buildings, roads, bridges, and dams. The process involves raw material preparation, incineration in a kiln with preheating and calcination stages, and final cement grinding. The cement produced has specific content limits for admixtures and gypsum as per the standards in China.

Input Products No records found.

Co-Products No records found.

Data set version 00.01.005

Time stamp (last saved) 2024-03-19T21:18:09+08:00

Data set format

Compliance systems No records found.

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Registered in

Registry name	Base URL	Status
GLAD	https://www.globallcadataaccess.org/

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