Feasibility of sustainability scenarios

1 Projection of CO2 emissions in the ­cement industry Source/Quelle: WBCSD, ECRA
2 Future demand for cement Source/Quelle: www.cemfocus.com
3 Demand for cement in the BRIC countries Source/Quelle: www.cemfocus.com
4 Demand for cement in mature & emerging countries Source/Quelle: www.cemfocus.com
5 Thermal energy consumptions by country Source/Quelle: UNIDO/GNR Database
6 Projection of specific energy consumptions Source/Quelle: WBCSD, ECRA, OneStone
7 Alternative fuel from RDF Source/Quelle: Vecoplan
8 Alternative fuel rate at Holcim Source/Quelle: Holcim
9 Projection of alternative fuel rates Source/Quelle: WBCSD, ECRA, OneStone
10 Projection of the clinker factor Source/Quelle: WBCSD
11 Clinker factor in China Source/Quelle: www.cemfocus.com
12 Worldwide CCS projects up to 2050 Source/Quelle: IEA
13 Norcem’s Brevik plant Source/Quelle: HeidelbergCement
14 Design principle of an absorption system Source/Quelle: ECRA
15 Schematic diagram of an oxyfuel process Source/Quelle: ECRA
Tetouan cement plant in Morocco Source/Quelle: Lafarge

The cement industry is currently considering scenarios for the period up to 2050, particularly with regard to the subjects of CO2 and sustainability. What are the good points of these scenarios and what ought to be reviewed or corrected? This article provides an overview.*

1 Introduction

How much CO2 will the cement industry be emitting in 2050? The World Business Council for Sustainable Development (WBCSD) and the International ­Energy Agency (IEA) considered this question in 2009 in their Cement Technology Roadmap [1]. This was based on two scenarios. The first of these is a baseline scenario (Fig. 1), which postulates a CO2 emission of 2.34 Gt in 2050 at a cement production volume of 3,657 million tonnes per year (Mta). This variant is also referred to as “Baseline 2050 (low)”. Accordingly, there is ­another variant (high) for a production volume of around...


TEXT Dr. Joachim Harder, OneStone Consulting Group, Buxtehude/Germany

This article appeared in

ZKG 08/2012

This article appeared in

ZKG 08/2012

Ressort:  Markets and Trends
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