Cement News tagged under: raw materials

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Effects of recirculation cells in cement kilns

31 August 2021, Published under Cement News

As the raw material passes through the cement production process, recirculation cells are created. Due to the heterogenous nature of the fine materials, the composition in each cell is not uniform and as such, recirculation cells can impact on the final product. Figure 1: example of the relationship of hotmeal LSF to clinker LSF The manufacture of Portland cement clinker is necessarily concerned with the handling of very fine grains or dusts at various stages of production. Firs...

Retznei’s alternative transport

19 August 2021, Published under Cement News

For economical and sustainable operations, Lafarge Zementwerke GmbH’s Retznei plant in Austria relies on alternative fuels and raw materials to ignite the new calciner. To transport, store and dose kiln-ready material efficiently, the cement producer awarded BEUMER Group a contract to develop an individual single-source solution, at the core of which is a U-shaped conveyor. By BEUMER Group, Germany. Lafarge Zementwerke’s Retznei plant, Austria, relies on BEUMER’s single-source solu...

Vicat’s SeRaMCo contribution

27 April 2021, Published under Cement News

France-based multinational Vicat group has been contributing to the European SeRaMCo (Secondary Raw Materials for Concrete Precast Products) project, aimed at reducing the carbon footprint of the construction sector by finding beneficial uses for inert waste from demolition sites. The company has been undertaking industrial trials to incorporate fines derived from demolition concrete as a raw material for cement production – an initiative that forms one aspect of Vicat’s circular economy dri...

NIR online analysis for finish mill applications

22 February 2021, Published under Cement News

Nuh Çimento’s SpectraFlow near-infrared online analyser improves quality control at the Hereke cement plant in Turkey While near-infrared (NIR) analysis is an established technology for the analysis of raw materials and raw meal in the cement plant, it is now being used as an online analysis system for SO 3 and clinker phases at Nuh Çimento’s finish mill in Hereke, Turkey. By Ismail Dogan and Orhan Karadeniz, Nuh Çimento, Turkey, and Petra Mühlen, SpectraFlow Analytics Ltd, Swi...

GE Renewable Energy and Veolia sign turbine blade recycle agreement

21 December 2020, Published under Cement News

GE Renewable Energy has signed a multi-year agreement with Veolia North America (VNA) to recycle blades removed from its US-based onshore wind turbines during upgrades and repowering efforts. Through this agreement, GE plans to recycle the majority of blades that are replaced during repowering efforts. Veolia will process the blades for use as a raw material for cement, utilising a cement kiln co-processing technology. VNA has a successful history of supplying repurposed engineered material...

Veolia signs contract to co-process wind turbine blades

09 December 2020, Published under Cement News

GE Renewable Energy has signed a multi-year agreement with Veolia North America (VNA) to recycle blades removed from its US-based onshore wind turbines during upgrades and repowering efforts. VNA is expected to process the blades for use as a raw material and fuel for cement production. Similar recycling processes in Europe have been proven to be effective at a commercial scale.   As a part of the agreement, the blades will be shredded at VNA’s processing facility in Missouri and then used...

UltraTech secures bauxite raw material supplies from Hindalco

21 August 2020, Published under Cement News

Hindalco Industries Ltd, India's premier aluminium and copper producer, has won an order to supply 1.2Mta of bauxite residue to UltraTech Cement as a raw material for cement production. The order is part of UltraTech's drive to use industrial by-products, which can contribute to toxic waste if not disposed of properly. Hindalco has supplied 2.5Mt of bauxite residue to 40 cement companies in 2020 so far.

Bangladesh's raw material imports decline 13%

11 August 2020, Published under Cement News

The value of raw material imports for Bangladesh’s cement industry fell almost 13 per cent YoY to BDT64.81bn (US$764.1m) in the FY19-20, on the back of a stagnation in construction activities due to the COVID-19 pandemic. Businesses imported 18.6Mt of cement clinker, granulated slag, limestone flux and gypsum in the last fiscal year, down from 20.99Mt a year ago, according to the Chattogram Custom House. Most of the materials came through the Chattogram port from Thailand, Vietnam and Chin...

Attock Cement continues to dominate Karachi market in 9MFY19

11 June 2019, Published under Cement News

Attock Cement Pakistan Ltd (ACPL) maintained its dominant position during 9MFY19 in the core market of Karachi, leading in volumes and cement price. As part of the company's strategy, it also maintained a presence in the entire southern zone and in the lower Punjab market. As a result, the company's local  dispatches increased by 117.861t, or nine per cent, over the 9MFY19 period.   On the back of higher production following the start of its Kiln No 3 operations, the company aggressively e...

Taiwan Cement reassures customers on its raw material quality

31 January 2019, Published under Cement News

Taiwan Cement came under pressure to reassure customers that the company's products meet quality safety standards after former Hualien County Council speaker Lai Chin-kun was charged with fraud for supplying raw materials mixed with industrial waste between 2010-15. Lai's family operates Wen Hao Co, Jian Dong Mining Co and several other companies in Hualien County that are mainly involved in mining and quarrying raw materials. The company, which also operates a soil and earth materials dump...