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UNTHA shredder

SRF Plant Turns Waste Shoes into Fuel

A solid recovered fuel (SRF) manufacturing plant in Vietnam will process solid footwear production waste from the county’s main shoe factory to create a fossil fuel substitute to power cement and aggregates company Holcim’s local cement kiln calciner. Following a global search for the best-fit technology for this complex facility, … Read more »

Watershed Materials

New Building Material Twice as Strong as Concrete, Low Carbon Footprint

Watershed Materials, a California-based building materials technology startup, has developed technology to produce high-strength masonry with a low carbon footprint using natural mineral-based geopolymers. The technology, funded by the National Science Foundation, allows for natural clays found readily all over the planet to be turned into reliable masonry products and … Read more »

Carbon Dioxide-Reducing Cement Advances

Startup company Solidia Technologies and the US Department of Energy’s National Energy Technology Laboratory (NETL) have partnered to accelerate the development of cement that can reduce the carbon footprint of concrete by up to 70 percent. The ongoing research project is funded with $1.1 million from the NETL through its … Read more »

Researchers Test Low-Carbon Cement

Researchers at Switzerland’s Ecole Polytechnique Federal de Lausanne are testing a low-carbon cement that could reduce the carbon footprint of construction sites by 40 percent, Forbes reports. The cement is made from calcined clay and ground limestone that, when added in large amounts to concrete mixtures, creates a cement that … Read more »

Cement Makers Driving Growth in Greener Fly Ash Market

Cement Makers Driving Growth in Greener Fly Ash Market

The cement industry’s sustainability goals will drive growth in the greener fly ash cement market, causing it to double to $47 billion by 2018, according to an analysis by Lux Research. Cement accounts for 6 percent of human carbon emissions. Using fly ash is one of the simplest and most … Read more »

Policy & Enforcement Briefing: NO2 Standards, HCFCs, Product Efficiency

China will impose stricter standards on the cement, battery, leather and heavy metal industries, including a requirement to control at least 60 percent of nitrogen dioxide emissions, the country’s environment ministry said today. China is the world’s biggest producer and exporter of batteries, and produced 56 percent of global cement last year, … Read more »

Waste Fires Cement Kilns, Cuts Costs

Toxic toys, contraband cigarettes and old sunglasses are among the waste products being burnt to manufacture cement by Holcim, Bloomberg reports. Holcim — the world’s largest cement manufacturer — is increasing its use of waste in place of coal to heat cement kilns as a means of cutting costs. Holcim … Read more »

Policy & Enforcement Briefing: GOP’s EPA Budget, Wind Leases, Shippers to Pay $10 Million

Republicans in the House have proposed prohibiting the Obama administration from spending on greenhouse gas rules for power plants, Business Week reports. The GOP congressmen also proposed cutting the EPA budget by a third, or $2.8 billion, and banning the EPA from instituting new curbs on sulfur in gasoline and … Read more »

Cement Industry Cuts Carbon Emissions 17%

Cement Industry Cuts Carbon Emissions 17%

The global cement industry has reduced its specific net CO2 emissions per ton of product by 17 percent since 1990 – from 756kg/ton to 629kg/ton. Meanwhile, companies’ cement production increased by 74 percent between 1990 and 2011, according to the World Business Council for Sustainable Development’s Cement Sustainability Initiative. Absolute CO2 emissions … Read more »

AkerSolutions carbon capture

Aker Solutions Conducts World’s First Cement CO2 Capture Tests

Aker Solutions has won a contract to perform the world’s first tests for capturing carbon dioxide emissions from a cement production plant. The CO2 technology company won the award from Norcem, in cooperation with the European Cement Research Academy (ECRA). It did not disclose the contract’s value. Aker Solutions says … Read more »

Lafarge Sustainability Report: Normalized Emissions Drop 2%

Lafarge Sustainability Report: Normalized Emissions Drop 2%

Cement firm Lafarge reduced its normalized emissions by almost 2 percent in 2011, according to the company’s latest sustainability report. In 2011, the company produced 593 kg of carbon per ton of product, compared to 604 kg per ton in 2010. Lafarge’s net annual emissions are now 29 percent lower … Read more »