Cement News tagged under: Environmental

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Weston cement plant best option – Holcim

11 March 2009, Published under Cement News

The establishment of a US$300m cement plant near Oamaru, New Zealand, was its most viable option, Holcim told an Environment Court hearing at Oamaru District Court today. That was due to the inefficiency of Holcim’s Cape Foulwind plant, near Westport, the company said. The Weston plant – near Oamaru – would use cleaner, dry coal burning technology which would emit less carbon dioxide, sulphur dioxide and nitrogen per tonne of cement compared with Westport, which uses wet coal burning techn...

Texas legislator aims to promote ’green’ cements

10 March 2009, Published under Cement News

A Texas lawmaker wants to protect local governments from lawsuits if they try to select green cement providers for construction projects, reports the Fort Worth Star. State Rep. Vicki Truitt, R-Keller, filed HB 2174 to protect local governments that are creating bid guidelines to buy cement that will not harm local air quality. Truitt also filed HB 2175 last week to prohibit the Texas Department of Transportation from using anything other than environmentally friendly cement coming fro...

Heidelberg Yuexiu Cement Co to recycle sewage sludge

10 March 2009, Published under Cement News

Guangzhou Heidelberg Yuexiu Cement Co Ltd (China), is set to handle 60 percent of the city’s sewage sludge and will be able to handle 600 tons of the sludge every day, reports the China Daily. Guangzhou produces about 950 tons of sludge a day at present. The figure is expected to reach 2,425 tons next year and 3,120 tons in 2020. The firm, a joint venture between Hong Kong-based Yuexiu Group and the global leader, Heidelberg Cement in Germany, will treat the sludge, turning it into raw...

TCEQ to discuss quarry permit

10 March 2009, Published under Cement News

The Texas Commission on Environmental Quality will meet tonight in New Braunfels to discuss awarding an air quality permit for a new rock quarry in Comal County. Aggregate Industries, a division of Holcim, has applied for a permit to build a rock-crushing plant at 5900 Farm-to-Market 482, west of Krueger Canyon Road. More than 100 people met at the Comal County Senior Center in April to oppose the potential new quarry, voicing concerns about air quality and potential contamination of the E...

Air board issues new rules for cement plants, US

09 March 2009, Published under Cement News

Southern California air quality regulators have approved stricter regulations to reduce dust and toxic chemicals coming from two cement plants in the Riverside area. The South Coast Air Quality Management District Board amended a rule on Friday to require the cement plants to cover piles of material with tarps and build wind barriers. The plants include TXI Riverside Cement in Rubidoux and California Portland Cement in Colton. Source: The Associated Press

Lyons plant to pay fine, US

09 March 2009, Published under Cement News

Colorado health officials say Cemex Inc. has agreed to pay a US$528,000 fine and make air-quality improvements at its Lyons cement plant. The Colorado Department of Public Health and Environment said Friday the settlement resolves alleged violations dating to 2006. Cemex spokeswoman Jennifer Borgen says most of the violations involved monitoring, record-keeping and reporting. She says plant equipment was over-reporting pollution levels, but they were still below standards. The settlement ...

Rugby Cement tyre burning success, UK

06 March 2009, Published under Cement News

Burning tyres has helped reduced pollution from the Rugby Cement plant, the Environment Agency has said. And it has this week given Cemex permission to increase the amount of tyres it burns from 6t an hour to 10tph hour on a trial basis for the next six months. It equates to 40 per cent of the plant’s power. David Hudson, the agency’s environment manager, said despite some public concern about the ongoing trials figures had continually showed they had contributed to a reduction in the amou...

Nevada Cement to hold meeting about proposed mine

05 March 2009, Published under Cement News

An informational meeting will be held by Nevada Cement Company to discuss the cement company’s proposal to mine pozzolan material on public land in southwest Fernley. Some residents who live the closest to the proposed mine location have protested a Special Use Permit indicating the mining process will create fugitive dust problems, cement trucks would travel through neighborhoods and there would be negative impacts to the environment. Nevada Cement Company will hold an informational meeti...

Cemex tyre trials reduce pollution

04 March 2009, Published under Cement News

Rugby Cement will be allowed to burn more tyres after successfully showing it reduces air pollution. Environment watchdogs said that recent tyre-burning trials at the plant ’significantly reduced the amount of oxides of nitrogen’. Cemex, who own the plant in Lawford Road, has now been given permission to conduct further tyre trials up to a maximum rate of ten tonnes per hour. The EA’s Environment Manager, David Hudson said: "This trial has shown that using waste to produce energy will hav...

Small Arizona town concerns about new Cemex plant

02 March 2009, Published under Cement News

A planned US$400m cement plant is worrying environmentalists and some residents in the eclectic Arizona town of Seligman. Cemex, a global conglomerate and a building materials titan, wants the plant to be finished by 2012. It will be located about 15 miles northwest of the town limits and less than 50 miles south of the Grand Canyon. While some see the facility as an economic boon that would bring badly needed jobs, a steady supply of building material and a burgeoning tax base to a sleepy...