January Digital Whistle
Do You Enjoy Your Driveway and Patio? California Cement Manufacturers Continue to Produce High Demand Products with Reduced Emissions. |
January 19th, the Manufacturers’ Council of the Inland Empire convened a meeting of researchers and cement manufacturing persons for a tour of the CalPortland Cement plant in Oro Grande, CA. Oro Grande is the oldest town in the high desert communities, dating back to gold and silver strikes in 1880. In 1887, limestone quarries began, and kilns produced lime. In 1907, cement manufacturing commenced. Elements of some of that early activity were visible during the plant tour, juxtaposed to the very modern portion of the plant that was built around 15 years ago. |
Visitors were amazed at what they found hiding within this dusty-looking facility. Through cutting edge technologies in the pyro processing, conveyance, and process management, the Oro Grande plant currently produces twice the volume of cement, in their state-of-the-art plant, with a smaller environmental footprint than prior to their 2008 plant modernization. University of California researchers, from the Center for Environmental Research and Technology within the Bourns College of Engineering, and from the Office of Technology Partnerships, explored ways for which they might assist the cement industry in reaching the difficult goal of “net-zero greenhouse gas emissions” in a team effort with industry representatives. Bhaskar Dusi and Bob Sylvia, of CalPortland Cement, led the discussion. Bruno Salomon, Plant Director of National Cement Company, also joined the discussion. |
The largest source of carbon dioxide comes from the chemical reaction in converting limestone into lime. Another significant source, is the burning of fuel (mostly coal) in the pre-calciner and kiln. Proposed formula changes hold the promise of a significant reduction of carbon dioxide in the conversion process. In addition, researchers hope to use clean-burning hydrogen as fuel, or as an additive to the fuel, but carbon dioxide is still a very significant byproduct of the conversion of limestone. A target of March 1 was set, to find (approximately) five areas of investigation that the cement industry representatives will identify as necessary in order to eventually reach the net-zero greenhouse gas emissions. Thank you to Cal Portland Oro Grande Cement Plant for their informative tour. Wallace Brithinee, Ph.D. President, Manufacturers’ Council of the Inland Empire |
Industrial Energy Assessment Grants Available |
The Department of Energy has re-opened applications for the Industrial Assessment Grant Program, where small-to-medium manufacturers can qualify for a 50% cost share up to $300,000 to help ensure their manufacturing processes are more efficient. The deadline for applying during this cycle is March 31, 2024. If you would like to explore how to apply or whether you qualify, contact Deborah Smith at [email protected]. Events and Education:
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