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News Displaying items by tag: Sustainability

Displaying items by tag: Sustainability

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Dangote Cement to raise alternative fuel substitution rate to 25%

13 September 2023

Nigeria: Dangote Cement plans to raise its alternative fuel (AF) substitution rate across its Nigerian operations to 25%. The Punch newspaper has reported that the producer consumed 34,800t of AF during the first half of 2023.

Obajana cement plant head of sustainability Eseosa Ighile said “We are working towards installing AF feeding systems in all our operation lines by 2024.”

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Zuari Cement commissions new alternative fuels line at Yerraguntla cement plant

12 September 2023

India: Heidelberg Materials subsidiary Zuari Cement has commissioned a 20t/hr alternative fuel (AF) production line at its 7.1Mt/yr Yerraguntla cement plant. The line includes an UNTHA XR3000C shredder. This will support continuous operations and turn waste to AF in a single step, according to Zuari Cement.

HeidelbergCement India technical director Vimal Jain said “We are passionate about driving environmental progress throughout our business, and the use of AF is one way to do that. But this waste-to-energy feedstock comes at a cost, which is why co-processing makes so much sense. When designing this plant, we needed to ensure versatility to allow for changing market conditions, and an investment in technology that makes commercial sense and is built to last.”

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Votorantim Cimentos to upgrade Salto de Pirapora cement plant

20 July 2023

Brazil: Votorantim Cimentos has secured a US$150m loan from the International Finance Corporation for an upgrade to its Salto de Pirapora cement plant in São Paulo. The producer aims to increase the alternative fuel (AF) substitution rate at the 4.8Mt/yr plant, and reduce its CO2 emissions. It says that the loan is tied to sustainability performance indicators (SPIs), based on the reduction in the plant’s Scope 1 CO2 emissions.

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Suez Cement invests US$16m in alternative fuels upgrades since 2010

05 June 2023

Egypt: Heidelberg Materials subsidiary Suez Cement has invested US$16m in upgrading its operations towards increased alternative fuel (AF) use since 2010. The producer uses AF in the burners and kilns of all three of its cement plants, at Helwan, Kattameya and Suez. Meanwhile, Suez Cement has invested US$60m in dust control measures over the same period. Other on-going investments include US$25m in the construction of a waste heat recovery (WHR) plant at the Helwan cement plant. The company is committed to reaching a 24% reduction in its CO2 emissions between 2019 and 2030.

Technical director Omar Khorshid said “We are committed to pursue initiatives to broaden our range of innovative and eco-friendly building solutions, advance operational efficiency through digitalisation and strengthen customer engagement for better business results and more positive impact."

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Holcim US inaugurates waste tyre processing plant at Alpena cement plant

02 June 2023

US: Holcim US has inaugurated a waste tyre processing plant at its Alpena cement plant in Michigan. The facility will process 22,000t/yr of tyres into refuse-derived fuel (RDF) for use at the cement plant. Holcim US partner Geocycle will collect, pre-process and deliver the tyres to the new facility.

Holcim US’ North regional senior vice president of manufacturing Michael Nixon said "Holcim has invested more than US$100m in eco-friendly technologies at the Alpena plant in the past 15 years. The tyre-derived fuel facility is another strong demonstration of our commitment to reducing emissions."

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Lafarge Canada to use sewage sludge solids in rehabilitation of Cassidy quarry

31 May 2023

Canada: Lafarge Canada will receive a supply of 300t/yr of sewage sludge solids from Capital Regional District (CRD) to mix in topsoil used in rehabilitation at its former Cassidy aggregates quarry in British Columbia. The Victoria Times Colonist newspaper has reported that CRD had held a supply contract to provide sewage sludge solids to Lafarge Canada for use as alternative fuel (AF) at its Richmond cement plant. The cement plant suspended its operations for ‘most of 2022’ and throughout the first five months of 2023. British Columbian law requires sewage sludge solids to be used in beneficial applications.

The district council of CRD says that it expects the Richmond cement plant to resume receiving deliveries of its sewage sludge solids in mid-June 2023.

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Geocycle commissions Piedra Blanca waste management plant Line 2

25 May 2023

Argentina: Geocycle has commissioned the new Line 2 of its Piedra Blanca waste management plant, Norte En Linea News has reported. The facility will now process 100,000t/yr of waste. Geocycle will supply the remaining 45% fraction of unsorted waste after processing to Holcim Argentina's Malagueño cement plant for use as refuse-derived fuel (RDF). By diverting non-recyclable waste from incineration, Geocycle says that the new line will eliminate 25,000t/yr of CO2 emissions.

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W&p Zement to switch to 100% alternative fuel substitution

11 May 2023

Austria: Alpacem Gruppe subsidiary w&p Zement plans to eradicate 20,000t/yr of CO2 emissions by substituting 100% alternative fuel (AF) in its regular operations, up from 80%. The producer will co-process 122,000t/yr of AF, up by 26% from 97,400t/yr at present.

Technical director Florian Salzer said “A key factor in achieving climate neutral cement production is reducing the use of fossil fuels. We are already using AF instead of coal. As a result, substances that cannot be used for any other purpose, such as material recycling, are converted into energy."

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Secil Supremo Cimentos to upgrade and expand Adrianópolis cement plant

23 March 2023

Brazil: Secil Supremo Cimentos has appointed FLSmidth to carry out a pyro process upgrade at its Adrianópolis cement plant in Paraná. The Denmark-based supplier says that it plans to carry out modifications on the plant's preheater, cooler and related auxiliary equipment. It says the new equipment will expand the plant's capacity to 3900t/day, corresponding to an annual production capacity of 1.42Mt/yr. It will also enable it to increase its alternative fuel (AF) substitution rate to 40%. Secil Supremo Cimentos' AF mix consists of shredded tyres, wood and other refuse-derived fuels.

FLSmidth's head of capital sales, Jens Jonas Skov Larsen, said “We are grateful for our continued partnership with Supremo, which has consistently invested in the latest technology. As the plant was already operating an ILC five-stage preheater from FLSmidth, it was well positioned to use AF.”

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Cemex Egypt and VeryNile launch Cleaning the Nile scheme in Assiut

28 February 2023

Egypt: Cemex Egypt has expanded its Cleaning the Nile waste recovery scheme, in partnership with VeryNile, into its home city of Assiut. Workers from the local fishing industry delivered four truckloads of plastic waste to Cemex Egypt's Assiut cement plant.

Cemex Egypt and UAE regional president Carlos Gonzalez said “Since we started working with VeryNile, we have wanted to expand the initiative to Assiut, and we are delighted to see the initiative taking off in our second year of cooperation."

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