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ZKG Newsletter 12|2020
A new milestone in the history of VDZ
For more than 60 years VDZ’s research institute in Duesseldorf has been the home and focal point not only for many generations of its employees but also for the representatives of the cement industry. Now, in the first week of September this year, VDZ has moved into new premises, a step which provides a new, long-time perspective. It is the consequence of the development of VDZ over the past decades and of its mission to continually evolve the well-established. [Photo: VDZ]
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Screw weigh feeders for precise and controlled feeding
To reduce the use of expensive primary fuels like coal and oil in the energy-intensive cement production, operators focus increasingly on alternative fuels and raw materials. BEUMER Group offers tailor-made systems for the entire material flow chain – from receiving and unloading the delivery vehicle to storing, sampling and conveying the materials. For precise and controlled feeding, the system provider has now developed a screw weigh feeder suitable for a variety of materials.
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Covid-19: Starlinger keeps the ball rolling
As a consequence of the Corona pandemic, many companies had to downsize operations or even shutdown totally unless they were deemed “essential” to healthcare or infrastructure. However, the Austrian machine manufacturer Starlinger & Co. G.m.b.H. could rely on its network of international branch offices and service technicians it had built up for the past 20 years.
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Maerz Ofenbau projects in Mexico and Russia

[Maerz Ofenbau]

Not far away from the Sonora desert, in the same-named federal state of Mexico, two Maerz kilns erected in 2009 and 2014 are performing to the complete satisfaction of their owner Mexicana de Cobre. In 2019 the customer demonstrated its confidence in Maerz technology by ordering a third Maerz kiln for its lime plant.
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CalPortland signs new OK raw mill deal with FLSmidth


CalPortland® has awarded a supply contract to FLSmidth for their Mojave Raw Mill Project. The scope of supply includes engineering, equipment and installation of a new OK® 48-4 Raw Mill with a Condition Monitoring System and an ECS/ProcessExpert system.
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New CEO at Lafarge Austria


Lafarge Zementwerke GmbH – a company of the LafargeHolcim Group – has had a new CEO since 01.07.2020. Berthold Kren (49), previously responsible for Geocycle Asia at LafargeHolcim, succeeds José Antonio Primo, who will take over the further development of carbon capture projects in Europe for LafargeHolcim.
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New CEO of Holcim Switzerland and Italy

[Holcim (Schweiz) AG]

Following the successful implementation to date of the Group strategy “Strategy 2022 – Building for Growth”, the management of Holcim Switzerland and Italy will be handing over the reins in October: Nick Traber has decided to take up a new challenge abroad and will leave the LafargeHolcim Group after 18 years. He will hand over his position as CEO Holcim Switzerland and Italy to Simon Kronenberg, who is currently Head Commercial.
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Durability enhancement for cementitious materials through waterproofing by organosilicon chemistry
Damage associated with water inside the mass are a key threat to a more durable cementitious product. With the help of organosilicon waterproofing agents, such damage can be very effectively suppressed or fully prevented. In addition to the well-established surface treatment approach, integral waterproofing by organosilicon agents further enables more thorough, multi-faceted protection for cementitious systems in the long run. [Illustration: Wacker Chemie AG]
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Highlights of the Current Issue
Outlook on the gypsum industry
How refractory technologies can reduce costs and CO2 emissions
Durability enhancement for cementitious materials through waterproofing by organosilicon chemistry
Assessment of the effect of fine and coarse recycled aggregates and natural pozzolan on various properties of self-compacting concrete
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