The blending menu Premium
Blended cement is the focus of this month’s Technical Forum, namely the complexities of understanding its classification and labelling under the European EN 197 system. The mode...
Tech Forum
92 posts · Page 6 of 10
Capex vs opex Premium
In the last year the moderator has been reviewing numerous existing cement facilities and proposals for new cement plants or production lines. In this process, compromises have ...
Vertical roller mill optimisation Premium
One of the new topics covered in the Technical Workshop at the Cemtech conference and exhibition in Dubai was the optimisation of vertical roller mills (VRMs). Here Dr Clark con...
Impact of alternative fuels Premium
It is widely acknowledged that burning alternative fuels in cement kilns has some adverse effect on the kiln’s productivity and thermal energy efficiency. But how much effect? D...
Kiln emissions – more than just hot air Premium
In last month’s Technical Forum we promised to return to the topic of cement kiln emissions, which were said to be both simple and complex, benign and noxious. The challenge is ...
Optimising a dynamic process
The cement production process is dynamic, with substantial opportunities for optimisation, improving plant productivity as well as profitability. Cemtech Technical Workshops are...
Who is responsible for what? Premium
Dr Clark turns his thoughts to the human resources-related aspects of operating, maintaining and managing a cement plant. Understanding roles and responsibilities is the first s...
Coal classification Premium
Dr Clark understands that the accepted ways of classifying different types of coal have led to complications when plant personnel have been required to estimate the specific the...
Biomass matters Premium
When accounting for CO 2 emissions from the manufacture of cement clinker it is important to know the biomass content of the fuels used to fire the cement kiln, as that biomass ...
How do blending beds stack up? Premium
Dr Clark tackles the science behind longitudinal blending beds for crushed raw materials. He discusses the part played by blending time, bed dimensions, volume, layering and sta...