Finland/Germany: Finnsementti’s second grinding unit at its Raahe Slag Plant will be a Pfeiffer MVR 1800 C-4. The unit consists of four rollers with a total slag grinding capacity of 0.2Mt/yr. During maintenance, it is able to keep working at 60% capacity. Gebr. Pfeiffer has stated that the plant will be commissioned in the third quarter of 2020.
Finnsementti installs slag grinder at Raahe grinding plant
Finland: Finnsementti has installed a second mill at its Raahe grinding plant, increasing its total capacity by 100% to 1.0Mt/yr. Esmerk has reported that the mill will grind only slag, which will replace other clinker ingredients in its cement to a net carbon footprint reduction of 40,000Mt/yr. The company has stated that ‘a significant part’ of its Euro12m investment in the upgrade will go towards dosing equipment and increasing storage capacity, with a special emphasis on maintaining a circular economy and reaching its environmental goals by reducing the net CO2 emissions of its Raahe plant.
Walan granted permit to build slag-grinding plant in Delaware
US: Shawn M Garvin, secretary of the Department of Natural Resources and Environmental Control (DNREC), has issued a Secretary’s Order granting an air quality construction permit for Walan Specialty Construction Products to build a slag grinding plant at Wilmington in Delaware. Walan, also known locally as Penn Mag, is required to use best available control technology (BACT) to control particulate emissions from the drying and grinding operations and to limit truck activity at the site to paved surfaces. The permit has approved a throughput limit of 150,000t/yr of slag, a reduction of 43% compared to the original application.
INSEE Cement calls for changes to slag cement limits in Sri Lanka
Sri Lanka: Nandana Ekanayake, the chief executive officer (CEO) of INSEE Cement, has called for the regulations on blended cement to be relaxed. He said that some of the company’s Chinese contractors had asked for cements with 65% slag but that the current regulations do not allow it, according to Economy Next. The Sri Lanka Standards Institute has a limit of 20% slag content in cement. He added that there were no uniform international standard for slag in construction cement. He made the comments at the launch of the company’s first sustainability report.