Cement News tagged under: Raw Materials

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Lafarge to receive Metro Vancouver's residuals as alternative raw materials

15 August 2017, Published under Cement News

Lafarge Canada Inc and Metro Vancouver have reached a three-year agreement that will see drinking water treatment residuals from the Seymour Capilano Filtration Plant be used as a material in cement manufacturing.   The residuals are the solids removed during the drinking water filtration process, and consist of materials from the source water (sediments and naturally-occurring elements) and treatment chemicals (coagulants and polymers). They contain a chemical profile that mimics that of r...

Ambuja Cement secures Maharashtra limestone resources

10 July 2017, Published under Cement News

Ambuja Cement has secured a limestone resources of 42Mt in the state of Maharashtra through an e-auction by the state government. The LafargeHolcim company participated in the e-auction for a limestone block for Nandgaon Ekodi Limestone Block in Chandrapur district at a final bid price of 125.05 per cent of value of mineral dispatched.

BOAD grants CIMAF Burkina Faso finance

05 July 2017, Published under Cement News

The West African Development Bank (BOAD) has granted XOF6bn (US$10.3m) to Morocco’s Cimenteries de l'Afrique Burkina Faso (CIMAF) for the partial financing of the import of raw materials for cement production.  Following the commissioning of a plant in Ouagadougo in 2015, CIMAF is building a 0.7Mta grinding plant in Bobo-Dioulasso, reflecting an investment of XOF20bn. The first cement is expected in June 2018. In addition, the company has also undertaken to double capacity at the Ouag...

NLMK Group to supply raw materials to Eurocement

24 May 2017, Published under Cement News

International steel and vertically-integrated company NLMK Group has signed a five-year contract for the supply of raw materials to the production facilities of Eurocement group. The contract, which runs until the end of 2022, covers a supply of up to 5Mta of raw materials to seven Eurocement Group companies. The raw materials that will be supplied include iron-containing additives and granulated slag from NLMK Lipetsk, chalk and clay from Stoilensky in Belgorod region and limestone scr...

Société Saoura Ciment selects Gebr Pfeiffer mill

19 May 2017, Published under Cement News

Société Saoura Ciment has opted for a MVR 5000 R-4 raw grinding mill for its second production line in Zahana, Algeria. The mill will have a capacity of 425tph and grind raw material to a fineness of 12 per cent residue 90µm. The total drive power will be 3500kW. The feed material has a surface moisture of almost 13 per cent and is dried easily while being ground in the mill. The order was placed by the Chinese contractor CBMI.

Dalmia top bidder for Chhattisgarh limestone block

08 May 2017, Published under Cement News

Dalmia (Bharat) Cement has emerged as the preferred bidder for the Kesla II limestone block in Raipur district Chhattisgarh, India, which was auctioned by the state government on Tuesday. Business Line (India) reported that an official statement said that with 215Mt of reserves, the block has an estimated value of mineral resource of INR103.67bn (US$1.61bn).

Prism Cement receives limestone mining lease

03 May 2017, Published under Cement News

Prism Cement announced it has received a letter of intent from the government of Madhya Pradesh, India, for a cement-grade limestone mining lease. The lease if for mining in the Chulhi and Majhiyar villages in the Satna district of the central Indian state. To span a period of 50 years, the lease covers reserves of about 23.6Mt and applies to the cement producer’s plants Madhya Pradesh.

Canada: first shipment at McInnis Cement

25 November 2016, Published under Cement News

McInnis Cement has taken delivery of its first shipment of raw materials for its 2.5Mta Port-Daniel-Gascon plant. The vessel Algoma Mariner delivered to the Port-Daniel terminal, Canada, 19,000t of gypsum from National Gypsum at Halifax, Nova Scotia. The terminal is scheduled receive an additional four shipments of raw materials and fuel for the new cement plant by mid-December. Construction on McInnis Cement has been completed close to 75 per cent and is expected to deliver its first ...

Loss on ignition

28 September 2016, Published under Cement News

The loss on ignition of a raw material, cement or a clinker sample is the amount of weight lost through raising the temperature of the material to a predetermined level. As an indicator it can be used to monitor and improve the quality of the final product. Clinker stored outside in wet conditions will experience an increase in LOI Weight loss during heating can be due to the evaporation or volatilisation of a variety of components of the sample. Water is lost at 100-105˚C, orga...

How do blending beds stack up?

27 September 2016, Published under Cement News

Dr Clark tackles the science behind longitudinal blending beds for crushed raw materials. He discusses the part played by blending time, bed dimensions, volume, layering and stacker speed in the effectiveness of the blending bed. Blending beds smooth the variation in raw materials before they are ground in the raw mill to produce the kiln feed The vast majority of modern cement plants have some sort of blending bed for smoothing the variation in the raw materials before they are...