Cement News tagged under: fly ash
Fly ash and slag cements27 July 2016, Published under Cement NewsWhile cements containing fly ash or GGBS have different strength properties to ordinary Portland cement, they also benefit from improved durability and workability. A key factor in strength development is the provision of calcium silicate hydrate. Concrete made with cement which includes fly ash or ggbs will have different strength properties than that made with cement which contains purely clinker and gypsum Although a particular material may be cheaper per kilogram or per t... |
Improving ash quality01 February 2016, Published under Cement NewsAs governments consider the reduction of power generation in coal-fired power stations for environmental reasons, this article looks at the impact of this measure on the supply of fly ash to the cement industry. However, in the short- to medium term the availability of fly ash seems to be robust as sufficient stocks appear present, either in landfills or in fly ash lagoons. Coal-fired power stations have long supplied fly ash to cement plants as an addition to Portland cement As... |
UK: new figures on coal ash show uptake continues to climb28 January 2016, Published under Cement NewsUKQAA (UK Quality Ash Association) – the representative organisation for the producers and users of coal ash in the UK – has released statistics on the production and uses of coal ash from 1999 to 2014. These figures span a decade and a half and highlight important trends in the supply and beneficial use of fly ash and furnace bottom ash by the construction and engineering sectors. Key findings are that while total supply exceeds demand, generally consumption of fly ash has increased from ... |
Vietnam: Hoang Trung Hai permitted to continue importing fly ash03 July 2015, Published under Cement NewsVietnam’s Deputy Prime Minister, Hoang Trung Hai, has agreed to allow Nghi Son Cement Corp to continue the pilot import of fly ash as material for its cement production. The deputy PM earlier agreed to allow Nghi Son Cement Corp to import a volume not exceeding 200,000tpa of fly ash in the 2015-2016 period. However, he also requested the company develop a plan to use domestic fly ash from 2017. Vietnam, home to many thermal power plants, has a huge supply of fly ash. It is estimated that t... |
Vietnam: Nghi Son Cement Corp gets go-ahead for fly ash import13 March 2015, Published under Cement NewsVietnam’s Deputy Prime Minister, Hoang Trung Hai, has agreed to allow Nghi Son Cement Corp to pilot the import of fly ash over the 2015-16 period. Under approval, Nghi Son Cement Corporation will be allowed to import an annual volume of 200,000t within two years. The deputy prime minister also requested the company to develop a plan to use domestic fly ash from 2017. Nghi Son Cement Corporation had repeated seeking the government for approval for the import of fly ash as material for cem... |
Terra Cement signs joint venture agreement with Ore Mines International07 November 2014, Published under Cement NewsTerra Cement Inc has signed joint venture agreement with Ore Mines International Pty Ltd in South Australia (OMI) to form a new company, under the name of Terra Cement Australia Pty Ltd (TCA). TCA will engage in the marketing of Terra’s proprietary process (patent pending) for producing sustainable cement using ash in Australia, New Zealand and Papua New Guinea. The joint venture will begin operating by the end of the year. TCA will convert existing cement plants and mixing facilities to pr... |
Shree plans 3Mta Odisha grinding plant, India09 June 2014, Published under Cement NewsShree Cement plans to establish a 3Mta cement grinding mill in Dhenkanal district, Odisha state. The Rajasthan-based company wants to use fly-ash generated from the nearby power plants at the cement mill. “The proposed location at Odapada would be ideal for the cement grinding unit as the ash generated from industries in the locality such as Bhushan Steel, GMR (Kamalanga), Lanco Badbandh Power and Navabharat Ventures can be effectively utilised by the proposed unit for producing cement,” sa... |
Lehigh proposes new fly ash terminal, Canada29 May 2014, Published under Cement NewsLehigh Inland Cement Company is proposing to construct and operate a fly ash terminal in Saskatchewan on land owned by Canadian National Railway Company (CN). The project involves the construction of a truck unloading facility, fly ash storage facility, and a railcar load out facility. The project is designed to accommodate a storage capacity of 20,000t of fly ash and would be in operation for a minimum of 20 years. Fly ash will be transported from the SaskPower Boundary Dam fly a... |
Cement companies drive fly ash market growth05 May 2014, Published under Cement NewsThe cement industry's sustainability targets will drive growth in the greener fly ash cement market, effectively resulting in its doubling in size to US$47bn by 2018, according to Lux Research. However, the Lux Research report, 'Rags to Riches: Waste Incorporation to Cut Cost and Carbon in the Cement Industry' says that without innovations, overall emissions from the cement industry could still grow by 31 per cent in five years with the rise in global production. Cement makers will need ... |
Chile: Cementos BioBio to use fly ash20 March 2014, Published under Cement NewsCementos BioBio’s Antofagasta works in the north of Chile and E-CL have signed a contract to use fly ash in the production of cement. After a long development and testing process, ash from the Central Térmica Andina and Central Térmica Hornitos thermal power stations in Mejillones will replace natural pozzolans use in the cement production process. The project will bring considerable environmental benefits as the cement works will use around 70 per cent of the ash produced by the powe... |