Cement News tagged under: Mercury
Feeling the heat of mercury21 February 2022, Published under Cement NewsCement kiln operators, particularly in cases of co-incineration, may feel the heat when considering upcoming government regulations regarding mercury emissions. Therefore, it is recommended to invest in upgrading mercury monitoring systems if existing ones use out-of-date technology that no longer complies with mercury monitoring standards. By Gasmet, Finland. Continuous mercury monitoring systems help cement plants avoid over-the-limit emissions In an effort to decrease fossil ... |
Effective mercury sorbents12 April 2017, Published under Cement NewsActivated carbon sorbent injection has enabled many cement plants to minimise mercury emissions from their operations. To ensure effective mercury control understanding the sorbent properties critical to mercury removal is key. B y John Satterfield, Cabot Norit Activated Carbon, USA. Figure 1: Plant A – fuel Hg content: 25-53ppb R educing mercury emissions by activated carbon sorbent injection (ACI) has been thoroughly demonstrated as a successful strategy at a growing n... |
Scwhenk invests EUR30m in Allmendingen works30 September 2016, Published under Cement NewsGerman cement producer Schwenk is investing EUR30m in its Allmendingen cement plant to reduce NOx and organic carbon emissions as well as mercury. The XMercury equipment, designed by Austrian emissions control supplier Scheuch, is expected to come online in February 2017 while the Deconox system, supplied by the same company, will enter service in June. Meanwhile, the foundations for the Deconox facility will be poured before this winter. The cement plant will also see the constructi... |
MACT rule brings challenges08 April 2014, Published under Cement NewsThe US is at the forefront of new legislation to limit mercury emissions and improve air pollutant monitoring. As a result, the cement industry faces a race against time to implement solutions and comply with regulations by September 2015. This article focusses on the challenges of mercury monitoring in cement plants, and emerging technologies that enable successful monitoring and reporting of mercury emissions. By Ravi Narayan, Cemtrex Inc, USA & Richard Hovan, Durag Inc, USA. Recent... |
US cement sector wins two-year extension to meet new pollution controls24 December 2012, Published under Cement NewsThe Environmental Protection Agency has finalised rules to curb pollution for cement plants, agreeing to give industry additional time for compliance and easing some emissions limits from earlier proposals. Cement kilns will face strict limits on mercury, acid gases and fine particulate matter, but plants will not have to comply with the new limits until September 2015, two years after they were originally set to take place. There are fewer than 115 cement plants in the United States, b... |
Lehigh to invest in mercury reduction system at Tehachapi plant, USA28 November 2012, Published under Cement NewsLehigh Southwest Cement Company has announced plans to install a mercury reduction system at its plant in Tehachapi, California, USA. The plant will begin the installation of a state-of-the-art activated carbon injection system in early 2013 with completion scheduled for later in the year. The system has been installed at two other Lehigh plants in the United States including plant in Cupertino which was the first cement works in California to apply the technology. The plant has experi... |
USA: Tehachapi cement plant has one of nation's highest mercury emission levels15 February 2012, Published under Cement NewsThe Environmental Protection Agency has rated Lehigh Southwest Cement plant’s mercury emissions as the second highest in the USA. The Lehigh Tehachapi plant produced 872lb of mercury in 2010, according to the Environmental Protection Agency's Toxics Release Inventory data – the most of any cement plant in California and the second highest among all cement plants in the United States. Over the years, the mercury emissions have been a particular source of concern and contention. Historica... |
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