Cement News tagged under: limestone

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Nepal's cement producers seek self-sufficiency

31 May 2016, Published under Cement News

Cement producers in Nepal have asked the government to formulate an improved policy so that the country can achieve self-sufficiency and boost exports. They have requested assistance in extracting and transporting raw materials as well as in the uninterrupted supply of power. Rajesh Agrawal, managing director of Arghakhanchi Cement, said they could produce cement in sufficient quantities to meet domestic demand and export to India if they received government support. "There is high dema...

Dominican Republic: no Azua exploitation concession for Cemento Santo Domingo

24 November 2015, Published under Cement News

The Abinader Corona family, who part-own Cemento Santo Domingo, reported this morning that after 16 years of work in strict accordance with national laws and legal norms of trade, the government disapproved of the Hatillo company mining concession in the Dominican Republic.  However, Cemento Santo Domingo was never granted exploitation rights for the limestone deposit in Azua province, according to the country’s Ministry of Energy and Mines. The governmental body pointed out that granting ...

Algeria: Beni Saf acquires three quarries

23 November 2015, Published under Cement News

Société des Cements de Beni Saf has acquired three quarries to supply its second production line. The Dhayet Smaâ quarry has an estimated limestone reserve of 78.66Mt. In addition, the clay deposits of Koudiet El Tine (24.3Mt) and El Ancer will also supply the 2Mta cement line. The cement producer has acquired the quarries, which cover an area of 370ha, for a record DZD1.005bn (US$9.3m). Exploration work will be carried by CETIM, the Centre for Study and Technology Service of the Constr...

Effects of age and type

21 September 2015, Published under Cement News

Limestone, a key element in the cement raw material mix, does not occur as a homogenous body of rock, but can vary widely in age and type across the world. These differences can have significant effects on cement production. Arthur Harrisson considers the effects of limestone age and type on the rock’s properties such as hardness, chemistry, grindability and burnability in various stages of the cement production process. Limestone deposits used for cement manufacture vary widely in ag...

Burundi Cement Co receives go-ahead for limestone quarry

18 June 2014, Published under Cement News

Burundi Cement Co (BUCECO) has received government approval to start limestone exploitation on the edges of Cibitoke. Initially, the quarried limestone will meet 60 per cent of national demand but by 2020, the quarry is expected to cover the entire requirement. BUCECO was founded in 2004 by Tribert Rujugiro Ayabatwa. It currently employs 80 people. In March it announced that it had doubled production from 34,500t in 2011 to 70,500t in 2012. The producer also saw profits rise from BIF12...

India: Ramco Cements to improve limestone quarrying efficiency

05 May 2014, Published under Cement News

Ramco Cements has commissioned two limestone beneficiation plants to improve efficiency in cement production and extend the life of its limestone quarries. The 200tph beneficiation plant at Alathiyur will upgrade limestone raw mineral to enable its use in cement production. The INR370m (US$6.2m) project was followed by the start of a second such facility at its Madurai cement factory. Limestone beneficiation is a process whereby low-grade material is blended with high-quality, sweetene...