| Clinker and cement reactivity in process control:
automated isothermal heat flow calorimetry inlab automation |  |
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| Reactivity of clinker and cement is the unknown in today’s binder production. All analytical data collected in process control is not directly related to product performance. A new approach quantifies reactivity of clinker and cement from isothermal heat flow calorimetry. [Photos: Authors/polysius]
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| | The U-shape conveyor allows the implementation of narrower curve radii than a troughed belt conveyor and higher mass flows than a pipe conveyor. At the same time and contrary to the troughed belt conveyor, it protects the material conveyed from environmental influence and the environment from material loss and emissions. Thus this u-shaped conveying solution has proven to be an ideal alternative in the cement industry as well as in port terminals if high capacity is required with little space available.
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| European construction market proves to be resilient,
but recovery slows down | |
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93rd EUROCONSTRUCT Conference, June 2022
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The construction industry within the 19 Euroconstruct countries recovered in 2021 after an unexpected decline in construction output in 2020 caused by negative socio-economic developments (national and sector-specific closures aimed at halting the development of the global Covid-19 pandemic). Following the 4.4% decline in 2020, construction output in the EC-19 increased by 5.6% in 2021 and additionally closed the gap to 2019.
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| Calucem plans a US$ 35 million investment in a new
calcium aluminate cement plant in the United States | |
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[Photo: Calucem]
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Specialty cement manufacturer Calucem will enhance the presence in the U.S. market by developing a manufacturing facility in New Orleans with an investment amounting to US$ 35 million. Calucem, a subsidiary of Cementos Molins, is the world’s second-largest producer of calcium aluminate cement, a high-performance product applied in a variety of commercial and industrial uses.
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| | Are you responsible for cement plants and machinery? And do you place the highest demands on products and services? Then you should rely on a partner with more than 160 years of experience who always has a helping hand. This is exactly where we come in: “The Service Team” offers state-of-the-art technical solutions – from inspection and maintenance to the supply of innovative OEM spare parts.
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| | Cemex to purchase clean electricity for Spanish cement operations | |
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| Cemex has announced that it has signed a power purchase agreement with Acciona Energía for the supply of clean electricity for Cemex’s cement operations in Spain. The agreement strengthens Cemex’s efforts to ensure a sustainable and reliable supply of energy while also providing cost certainty for its operations in Europe. [Photo: Cemex]
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| Interview with Thomas Perterer, Chairman of the
German Lime Association (BVK) and CEO Lhoist Germany | |
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Thomas Perterer [Photo: Lhoist]
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The election of Thomas Perterer as the new chairman of the BVK enabled Dr. Petra Strunk, Editor-in-Chief of ZKG Cement Lime Gypsum, to put to the new chairman a number of questions on the lime industry in difficult times, on the upcoming tasks of the BVK and on planned projects to prepare the lime industry for future challenges.
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| | Lime plants to foster green electricity … | |
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Matthias Mersmann [Photo: Private]
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Let’s give honour to a hidden champion of our “Cement Lime Gypsum” community: The global production of lime is many times smaller than that of “big brother” cement, however, lime is undoubtedly totally indispensable for our lives: steel, building materials, environmental technologies, paper, pharmaceuticals and many other products would be unthinkable without lime. Just like cement, there will be no world without lime – even if today’s lime production emits large amounts of CO2. In fact, the CO2-footprint of the lime industry is even bigger than that of the cement industry if calculated per ton of product.
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| » read this issue's column
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| | | Highlights of the Current Issue |
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| | MARKETS AND TRENDS
Gypsum – a scarce raw material?
MATERIALS
The influence of triisopropanolamine on the hydration
and microstructure of cement/fly-ash systems during
steam curing
PROCESS
Research progress of nitrogen oxides (NOx) control technology for industrial flue gas
ENGINEERING
Managing conveyor belt carryback
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