The Te Kuiti plant, situated near Waitomo on the North Island of New Zealand, operates a unique vertical kiln that produces high-quality quicklime. Graymont employs highly trained and specialized staff to run this state-of-the-art facility.
The Makareao lime plant is located in the calcium-rich area of North Otago, on the South Island of New Zealand. It is supplied with limestone from its own on-site quarry, which is well known for its exceptional quality, yielding pure limestone of 96-98% calcium carbonate.
The Makareao manufacturing facility produces high-quality quicklime, hydrated lime and pulverised limestone products, primarily supplying customers across the South Island.
Graymont owns and mines New Zealand’s largest single lime quarry at Oparure, just North of Te Kuiti on the North Island. This 67-hectare quarry is located on top of the rich Waitomo strata and produces exceptionally high-grade limestone to supply the Company's Otorohanga and Te Kuiti Plants.
The Oparure plant, which predominantly supplies custmers across the North Island, also manufactures a range of high-quality pulverised Limestone products such as Aglime, Calcimate(R) and industrial fine lime in bulk, sacks and paper bags,as well as aggregates in bulk.
Graymont's Otorohanga lime plant, situated 20 km north of the Company's Oparure quarry, operates two rotary lime kilns to manufacture high-quality quicklime and hydrated lime products from the raw limestone sourced from the quarry. These products supply domestic customers in New Zealand as well as customers in the Asia-Pacific region.
Laboratory staff and other specialists constantly monitor operations at Otorohanga, testing and reporting at least daily to ensure quality and consistency of the plant's output. In addition, experienced production, engineering and maintenance teams work tirelessly to maintain, manage and improve operations.
The Genoa plant is located in Genoa, Ohio, where a heavy strata of pure Niagara Dolomite lies close to the surface of the ground. The quality of this deposit makes it one of the select areas of the world for the production of lime for plastering applications due to its high chemical purity, excellent water retention and white color.
One of the largest dolomitic lime hydration facilities in the United States, the Genoa plant produces quicklime and hydrated lime for a wide variety of markets throughout the eastern United States and Canada. Product lines include strong brand names, such as Ivory® Finishing Lime, Bondcrete® Mason's and Stucco Lime, Super® Limoid Mason's Lime, Kemidol® industrial products and Niagara® Lime Putty. The plant's focus on specialty products necessitates providing excellent customer support for both construction and industrial applications.
Activities at the Genoa complex include limestone rock processing, calcining, hydration, blending and packaging operations. Three rotary kilns burn sized limestone rock to produce dolomitic quicklime products with excellent reactivity. This quicklime is used either as an industrial product or as a raw material for the hydration processes. The hydration plant consists of two hydrators that operate under atmospheric pressure and three autoclave processes. Atmospheric hydration produces Type N hydrated lime products for use in industrial and agricultural applications. Hydration under high pressure in the autoclaves produces unique Type S hydrated lime for building and industrial applications. The blending department produces packaged blends of cement and lime for masonry and other applications. Two automatic packaging lines fill and palletize 10, 25 and 50 lb. bags for customer delivery.
The Bedford plant, in the eastern townships of Quebec, boasts the latest in lime production technology. Bedford products are shipped by truck or rail. Bedford's modern rotary-preheater lime kilns enable the plant to meet all customer requirements.
Customers can be assured of an uninterrupted. As well as being a major quicklime manufacturer, the Bedford plant remains a quality supplier of pulverized limestone used in roof shingles, fertilizers, animal feed, agricultural liming and the glass industry.
Although the Marbleton plant, located in Quebec's Eastern Townships region, is one of the oldest lime production facilities in North America, it is equipped with modern and efficient production equipment. For limestone, the plant draws on an extensive 'ocean-reef' deposit that has been quarried since 1824. The plant is equipped with both vertical and rotary lime kilns, which provide superior thermal performance. The site also encompasses ample storage facilities to guarantee customers a ready supply of its entire product line.
The Joliette, Quebec plant produces hydrated lime and has bagging equipment to provide quicklime in 'Super Sack' on request. The facility is also used as a terminal and has storage capacity capable of handling fluctuating market demand. The quicklime operations are currently idled and the aggregates operations are closed.
Graymont's plant in the small community of Havelock, New Brunswick is the leading supplier of lime and limestone products throughout the Atlantic region market, which includes Canada's Maritime Provinces as well as the State of Maine. The Havelock plant utilizes a Beckenback annular shaft kiln to produce high-quality lime for a varied customer base.
Graymont is constantly seeking ways to add value by leveraging the Company's own resources in combination with other natural resources and economic sectors in a given area. At Havelock, extensive field research led to the successful introduction into the farming community of the first new agricultural liming material in more than 50 years. Hydra-Lime+ provides financial returns to the farmer two to three times greater than conventional liming practices by producing higher yields with superior quality tubers. It is this type of innovation that helps make Graymont the ag-lime leader in the Atlantic Region.