International Cement Review articles tagged under : Manufacturing Technology

30 April 2018 Arthur Harrisson

Alternative fuels and clinker crystal characteristics

Arthur Harrisson examines the effect of alternative fuel use on the characteristics of crystals present in clinker.  Figure 1: difference in alite quantity measured by microscopy and the Bogue calculation when burning increasing quantities of PSP Some four years ago an article was published in International Cement Review about the microscopic effects due to the use of...

17 April 2018

Keeping your cool

Yanbu Cement Co looks at the importance of optimising cooler operation in managing a cement plant’s energy consumption and protecting downstream equipment. By Amr Nader, Yanbu Cement Co, Saudi Arabia. Figure 1...

21 March 2018

Automation for India

India is the second largest producer of cement in the world and its cement producers are constantly looking for possibilities to increase efficiencies of their cement manufacturing operations. BEUMER Group supports c...

20 March 2018

Rapid screening

Traditional screening methods to evaluate the quality of natural pumiceous pozzolans for cement production are not entirely compatible with a production process that requires a steady pace in the supply of high-quali...

Setting a roller record 22 February 2018

Setting a roller record

In 2014 El Nadha Cement plant in Qena, Egypt, completed an overhaul of its VRM roller bearings in record time. This was achieved through good preparation, an experienced on-site team and effective communication betwe...

12 February 2018

Bold Bulandshahr

Shree Cement Ltd (SCL) has expanded rapidly over the last decade, from just 5Mt in 2007 to 29.3Mt cement capacity in 2017, making it the third-largest cement producer in India, after UltraTech and LafargeHolcim. Its ...

Nova Cimangola II 29 January 2018

Nova Cimangola II

To lower its production costs, Nova Cimangola has constructed its new clinker line in Sequele, Luanda, near its existing plant in Cacuaco. The new clinker line is to make the company self-sufficient in clinker, avoid...

23 January 2018

Welding repairs for kilns

Despite forming an integral part of many process lines, the importance of maintaining the rotary kiln in prime operating condition is often overlooked or misunderstood. Poor maintenance can cause long-term issues, in...

17 January 2018

Scrubbing technology

When it comes to emission-reduction technology, how does a plant know it is selecting the right technology for the job? Redecam believes its DeSOx technology, known as RDS, provides the ideal solution for both the ce...

19 January 2018

Lighting up the mighty Xuan Thanh

Vietnam’s first mega plant and 12,500tpd kiln line was commissioned by Xuan Thanh Cement JSC at Ha Nam on 9 October 2017. The line is a bold statement and an apt symbol of the tremendous development achieved by Vietn...

22 January 2018

Not simply calcining

While the primary purpose of the calciner in a cement plant is to aid decomposition of calcite from the preheated raw meal, the need to lower CO 2 emissions and the introduction of alternative fuels has broadened th...

21 December 2017

Setting a new benchmark

As ever-higher efficiencies are demanded of grinding equipment, cement plants require a new benchmark for grinding component performance. Addressing wear through regular maintenance and repair is one strategy with th...

13 December 2017

Finding the missing link

In 2015 Çimsa Çimento’s Mersin plant, Turkey, suffered an increasing number of cyclone blockages, causing severe interruptions to the facility’s grey cement Line 1. After unsuccessful attempts to find the reason for...

13 December 2017 Arthur Harrisson

Crystal clusters in clinker

With increasing use of alternative fuels, short homogenisation times in precalciner kiln systems and the requirement for high alite cement, the presence of crystal clusters is not expected to be a thing of the past....

11 December 2017

West African grinding goals

The construction of three Cim Metal cement grinding plants in Burkina Faso and Côte d’Ivoire is expected to significantly improve cement supply to this area of west Africa. A key part in the building and commissioni...

07 December 2017

Roller press celebrates 40 years

Since its invention 40 years ago, the roller press has continuously improved and expanded its use in the cement and mineral-processing industries. KHD tracks the changes since the technology’s introduction and celebr...