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News Maryland

Displaying items by tag: Maryland

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Lehigh Cement’s Union Bridge plant to switch to Portland limestone cement production by 2023

20 July 2022

US: Lehigh Hanson’s Lehigh Cement plant in Union Bridge, Maryland plans to fully switch from Ordinary Portland Cement (OPC) to Portland limestone cement (PLC) production by January 2023. It will manufacture its EcoCemPLC product. The company says that the Union Bridge plant is currently the company’s largest cement plant in North America.

The decision to move to PLC follows similar changes at the company’s Mason City plant in Iowa and three cement plants in Indiana. Lehigh Hanson produced over 2Mt of PLC in 2021 and it says it is set to double this figure in 2022.

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Arizona, Maryland and Vermont governments approve Portland limestone cement for public procurement

11 May 2022

US: The state governments of Arizona, Maryland and Vermont have approved the use of Portland limestone cement (PLC) in public construction projects. The rule changes bring the total number of states in which PLC may be used in this way to 44.

The Portland Cement Association (PCA) has welcomed the decision. The association said "Widespread acceptance of PLC marks a significant step to reducing the carbon footprint of concrete construction and advancing the goals laid out in the PCA Roadmap to Carbon Neutrality."

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PCA names Energy and Environment Award 2020 winners

18 September 2020

US: The Portland Cement Association has announced the winners of the Energy Environment Awards 2020. Cementos Argos’ 1.1Mt/yr Harleyville, South Carolina cement plant won the Energy Efficiency Award “by reducing kiln specific heat consumption and increasing the utilisation of the new vertical cement mill,” while CRH subsidiary Ash Grove Cement’s 1.0Mt/yr Midlothian cement plant won the Environmental Performance Award for “operating a whole-tyre burning system utilising a first-in-the-US hot disk system supplied with whole tyres from a nearby tyre recycling company.” Other winners were GCC’s 0.9Mt/yr Odessa, Texas cement plant for Innovation, LafargeHolcim’s 2.2Mt/yr Holly Hill, South Carolina plant for Land Stewardship, Titan Cement's Roanoke Cement Troutville plant for Outreach and HeidelbergCement subsidiary Lehigh Hanson’s 3.2Mt/yr Union Bridge, Maryland plant for Overall Environmental Excellence.

PCA president and chief executive officer (CEO) Michael Ireland said, “America’s cement manufacturers continue to focus on researching and developing new and innovative ways to reduce environmental footprint. The companies receiving these awards are great examples of our industry’s commitment to sustainability and energy efficiency.”

Published in Global Cement News
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Thomas, Bennett & Hunter cleared to build concrete plant in Hagerstown

11 October 2019

US: Thomas, Bennett & Hunter (TBH) has had a site plan to build a new ready-mixed concrete (RMX) plant in Hagerstown, Maryland approved by the Washington County Planning Commission. The concrete producer is moving its operations in the town to a new site, according to the Herald-Mail newspaper. It is hoped that the new RMX plant will be commissioned by the end of 2020.

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Holcim US proposes solar unit for Hagerstown cement plant

11 September 2017

US: Holcim US has proposed a 10MW solar unit for its Hagerstown cement plant in Maryland. NRG Solar Hagerstown, a subsidiary of NRG Energy, will build the array and lease the site for 35 years, according to Herald-Mail Media. The solar unit could meet up to 20% of the plant’s annual power requirements and the project is expected to last for at least 20 years. Construction is scheduled to start in the second quarter of 2018 and it is planned to last up to five months. No value for the project has been disclosed.

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Conveyor fire breaks out at LafargeHolcim Hagerstown cement plant

24 February 2017

US: A fire has been reported at LafargeHolcim’s Hagerstown cement plant in Maryland. An overloaded conveyor belt was the source of the blaze near the centre of the site that broke out on the evening of 20 February 2017, according to the Herald-Mail newspaper. High temperatures prevented fire fighters from tacking the fire immediately and it burned for over an hour.

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Holcim US Hagerstown cement plant celebrates US$96m upgrade

26 October 2016

US: Holcim US has officially completed its US$96m upgrade project to its Hagerstown cement plant in Maryland. The two-year modernisation project has helped the plant to adhere to NESHAP environmental rules and has increased production capacity at the site by 0.2Mt/yr.

"A cornerstone of the regional community for 113 years, we recognise the importance of this facility to the Hagerstown community," said John Stull, chief executive officer of US cement operations for LafargeHolcim. "Our investment to modernise clinker production represents our continued commitment to our customers and local manufacturing. The facility will continue to be a strong and reliable partner to the community for many more years to come."

The upgrades to the plant should deliver a more than a 60% reduction to nitrogen oxides (NOx), approximately a 50% reduction to sulfur dioxide (SO2) and more than a 75% reduction to Particulate Matter (PM) emissions from the plant.

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