Cement News tagged under: NOx
Going alternative in Japan12 December 2016, Published under Cement NewsWith Japanese cement demand falling over the past 20 years, Sumitomo Osaka Cement has constantly evolved its cement manufacturing processes. As a result, the company’s Ako integrated cement plant stepped up its use of alternative fuels and raw materials as part of its efforts to reduce costs and the impact of plant emissions. By Tetsuo Yokobori, Sumitomo Osaka Cement, Japan. Sumitomo Osaka Cement has carried out many improvements at its Ako plant, Japan Sumitomo Osaka Cement (SO... |
BLA releases fifth sustainable development report14 January 2016, Published under Cement NewsThe British Lime Association (BLA) has released its fifth sustainable development report which presents the industry's progress in 2014. The report features case studies from member companies detailing a range of innovative projects implemented by lime producers to improve their environmental and safety performance. Commenting on the industry's recent achievements, Richard Stansfield, BLA chairman, said: "Lime producers have made some significant and beneficial changes to the lime manufac... |
Aalborg welcomes decision to phase out NOx tax08 October 2015, Published under Cement NewsFollowing Denmark's Budget 2016 announcement, domestic cement producer Aalborg Portland has “warmly” welcomed the government's decision to phase out the NOx tax from 1 July 2016. “It is indeed very good news and a very positive message for us as energy-intensive business that the Government proposes a removal of a Danish special fee which none of our competitors are subject to. It is a strong signal that the Government has confidence in the investment climate in the energy-intensive produc... |
Semi-dust SCR at Mannersdorf28 September 2015, Published under Cement NewsThe 1.1Mta Lafarge Mannersdorf works in Austria is the country’s largest cement plant and a pioneer of environmental protection within the European cement industry. As part of these endevours, the world’s first semi-dust catalytic reduction (SCR) system was installed at the plant in spring 2012 by Scheuch of Austria. Over the past three years, the existing system has been gradually optimised and guarantees reliable compliance with NOx and NH3 emissions. By Scheuch, Austria. The semi-d... |
NOx in the mass balance14 August 2013, Published under Cement NewsDr Clark discusses how NOx emissions fit into the mass balance of a cement kiln. How do they arise and how can they be controlled and mitigated? Organic nitrogen compounds in the fuel used to fire the cement kiln will be oxidised to NOx in the kiln’s main burner and precalciner During 2012 a popular series of workshops were held in conjunction with the Cemtech Dubai, Jakarta and Geneva conferences on the topic of the fundamental mass balance of a cement kiln. The workshops fe... |
Cyclic processes10 July 2013, Published under Cement NewsThe Technical Forum has covered the topic of the cyclic processes taking place in a cement kiln on a number of occasions over the last 15 years. Regular readers may think that there is not much more to be said on the subject. However, these processes remain one of the most frequent sources of questions and, therefore, it is perhaps time to revisit this topic. In one of the many cycles operating in a cement plant, alkali salts evaporate in the burning zone and are carried back to th... |
Lowering NOx and SO219 December 2012, Published under Cement NewsThere are several options for reducing NOx and SO2 in the cement pyroprocess. However, the solution selected must be both cost-effective and flexible in terms of raw materials, fuels and operating conditions. Making the correct choice requires the necessary process know-how and advanced technical solutions to handle NOx and SO2 emissions at all levels. FLSmidth is one of the few companies to offer both. Lars Schultz explains. Dialogue between FLSmidth specialist and customer, SNCR inj... |