International Cement Review articles tagged under : Tech Forum

24 March 2020 Dr Michael Clark

Cement plant and company readiness for the COVID-19 pandemic

The cement industry must now prepare for the global COVID-19 pandemic As this extraordinary Technical Forum is being written, the world is reeling from the impact of the COVID-19 pandemic. Italy, Spain and France are in complete lock-down with citizens required to remain in their homes. The UK and the United States are not far behind needing to impose such drastic restrictions. In ...

18 November 2019 Arthur Harrisson

Magnesia in clinker

Magnesia is often present in clinker as periclase, which is formed of free MgO. However, periclase does not always provide a welcome part of the clinker’s composition and can lead to significant volume expansion of t...

21 October 2019 Arthur Harrisson

Progress in quantification of clinker phases

The quantification of clinker phases is not always straightforward and often raises a number of questions. However, there has recently been significant progress in this area, as outlined below. Figure 1: share...

07 October 2019

New opportunities for Europe

Dr Michael Clark looks at how the EU ETS is expected to change the face of European clinker manufacture. With the price of carbon credits rising, it could become more economically viable to import clinker and grind i...

Construction and demolition waste as clinker raw material 09 September 2019 Arthur Harrisson

Construction and demolition waste as clinker raw material

The concept of the circular economy encourages the reuse of waste products as raw materials in the production of cement. Arthur Harrisson looks at the use of construction and demolition waste as a raw material for cl...

19 August 2019 Arthur Harrisson

New supplementary cementitious materials

The search for new supplementary cementitious materials (SCMs) is ongoing. A recent review of existing SCMs and the potential for new ones caught the eye of Arthur Harrisson and provided further potential for investi...

Belite in Portland clinker 22 July 2019 Arthur Harrisson

Belite in Portland clinker

While belite is often represented as a pure dicalcium silicate, in practice the phase contains a range of impurities. Arthur Harrisson highlights the differences in belite composition and examines the causes of such ...

02 July 2019 Dr Michael Clark

Solar to the rescue

Dr Clark looks at how concentrated solar energy could help the cement industry move closer to carbon neutrality. Furthermore, the latest solar technology could make other carbon-reduction strategies more viable. ...

16 May 2019

Using plant cost profiles

As in January 2018, Dr Michael Clark has once more spent most of the last month developing manufacturing cost profiles for cement factories in different geographies across the globe. This time, Dr Clark considers how...

18 February 2019 Dr Michael Clark

The finishing lime

In this month’s Technical Forum, Dr Clark examines the conditions and complications under which raw materials compete for the available lime during the production of clinker. During the production of clinke...

30 January 2019 Dr Michael Clark

Evaluating an EPC project

In this month’s Technical Forum, Dr Michael Clark looks at the essential factors that cement producers must take into account when choosing the right contractor for a potential EPC project. Time to completion ...

11 December 2018 Dr Michael Clark

Mitigating acid gas emissions

In this month’s Technical Forum, Dr Michael Clark examines acid gas emissions from cement kilns. Understanding harmful acid gas emissions, such as hydrogen chloride, is required before investing in mitigation strateg...

22 October 2018 Dr Michael Clark

Electrical opportunities

In this month’s Technical Forum, Dr Michael Clark examines the importance of a stable and reliable electricity supply. As one of the leading expenses of cement plant operation, it is essential to understand how elect...

12 September 2018 Dr Michael Clark

Benchmarks for the finish line

Following Hans-Jorgen Nielsen’s “Ceramic Strengths” article in ICR’s June issue, Dr Michael Clark examines the potential energy-saving differences between milling systems used for cement finish grinding. Using...

04 July 2018 Dr Michael Clark

2048 predicted

The 30th anniversary of the first publication of International Cement Review (ICR) in July 1988 has arrived. While last month’s Technical Forum considered the major changes in the world cement industry over the past ...

02 July 2018

30 years of industry

Ahead of ICR celebrating the 30th anniversary of its first publication in July, this month’s Technical Forum reflects on what has changed in the industry over the past 30 years. By Dr Michael Clark, UK. Fallin...