Cement News tagged under: Tech Forum
Ethiopia’s fuel diversification20 October 2014, Published under Cement NewsDr Clark takes part in a one-day cement industry workshop in Addis Ababa, Ethiopia. The workshop was arranged by the Ethiopian Society of Chemical Engineers and attracted an attendance of well in excess of 100, including the State Minister of Industry, Dr Mebrahtu Meles. The theme of the moderator’s presentation was ‘Fuel diversification for the Ethiopian cement industry’. New entrant Derba Midroc Cement has elected to fire its kilns with imported coal, backed up by heavy fuel oil... |
Alternative fuel projects01 September 2014, Published under Cement NewsDr Clark is inspired to consider alternative fuel project assessment and methodology following the paper presented by Brian McGrath of ResourceCo at the Cemtech Asia 2014 conference in June. After providing a background to the place of alternative fuels in terms of world energy consumption, Mr McGrath adopted a risk-based approach to assess the potential success of such projects. The successful introduction of alternative fuels is helped by a risk-based approach that considers the ... |
Cemtech and CO205 August 2014, Published under Cement NewsDr Clark particularly enjoyed the Cemtech Asia conference in Kuala Lumpur in June and also the three-day technical training workshop that immediately followed the main event. However, preparations for the workshop and readings on other industries call into question where things are leading with regard to CO2 emissions. Sustainability and CO2 emissions were some of the key issues discussed during the Cemtech Asia 2014 conference. Pictured: Numpol Limprasert of Siam Cement explains h... |
Total cost of ownership13 May 2014, Published under Cement NewsDr Clark returns to the saga of the fictional cement company, Ruritania Cement, where problems have been encountered during the operational phase of the cement manufacturing project. Counting the total cost of ownership Mr Entrepreneur, one of the richest people in Ruritania, and indeed the continent of Pangea, was not best pleased. It was now three years since he had looked on with pleasure as the first truck loaded with cement rolled out of the packing plant of his new cement ... |
Vocational qualifications08 April 2014, Published under Cement NewsDr Clark is caught up in the ‘spring clean’ of his office but finds that in having to throw away some long-unused resources he is reminded of some past involvements that have merit for today’s cement industry. Vocational training is a great way for trainee cement plant professionals to learn their trade In every organisation there is a periodic need for a tidy-up and clear-out of issues and resources that are no longer relevant to the business. It is perhaps not surprising that ... |
Dependency: Part 203 February 2014, Published under Cement NewsIn the second of a two-part Technical Forum Dr Clark continues his exploration of the complex dependencies involved in delivering a successful cement project. The fictional cement company, Ruritania Cement, is used to illustrate those dependencies from the placing of a contract and the contract-effective date to the day when the first cement is delivered to a customer from the cement plant. This was indeed a proud moment for Ruritania Cement, even though it was more than six years sin... |
Roll press metrics03 December 2013, Published under Cement NewsAt the recent Cemtech conference in Prague, one of the presentations addressed the topic of energy reduction opportunities. During the following question-and-answer session, a delegate asked about the improvement possibilities that can be achieved with a roll press in combination with a ball mill. With roll presses one of the main themes for ICR's December issue, it is also the topic of this month’s Technical Forum. Dr Clark addresses the certain metrics that can be used to predict th... |
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... |
Making step changes08 May 2013, Published under Cement NewsDr Clark recalls the step changes in cement kiln technology and capacities that were provided by preheating and precalcining technologies. Modern day cement kilns have huge output capacities in comparison to their more basic predecessors. Long kilns needed large supporting structures Among the topics for ICR this month are preheaters and precalciners. These are items of equipment all modern cement manufacturers are well aware of or even perhaps take for granted. Those of us with... |
Clinker C3S paramount18 March 2013, Published under Cement NewsDr Clark explores how process knowledge and particularly the maximisation of C3S content in clinker together with that C3S hydraulic reactivity are the key to a successful blended cement strategy. Supplementary additives such as granulated blastfurnace slag, pulverised coal fly ash, silica fume and natural pozzolans and limestone are popular additions to replace clinker and improve profits while lowering the CO2 footprint During the recent Cemtech Middle East & Africa event i... |