What is Superstack?
• The Superstack is 1,250 feet (381 metres) high, the tallest chimney in the. western hemisphere and the second largest in the world. It is also the second tallest freestanding structure of any type in Canada, behind the CN Tower.
When was the Superstack built in Sudbury?
It Was Built In The 1970s Vale began the construction of the Superstack back in 1970. The project cost about $25 million and the structure was fully operational in 1972. Its purpose was to disperse gases and other byproducts that result from the smelting process away from the City of Sudbury.
When were scrubbers built in Sudbury?
1970
Construction of the Superstack began in 1970 at a cost of $25 million and entered into full operation in 1972.
How tall is the smoke stack in Sudbury?
1,205 feet
A fixture of the city since the early 70s and the second tallest chimney in the world at 1,205 feet, the Superstack chimney has been a part of the Greater Sudbury skyline for almost 50 years.
Is the Inco Superstack still standing?
The Superstack is located on top of the largest nickel smelting operation in the world at Vale’s Copper Cliff processing facility in the city of Greater Sudbury. In 2018, Vale announced that the stack would be decommissioned and dismantled beginning in 2020.
Is the Superstack gone?
Officials with Vale said decommissioning of the steel liner within the Superstack will begin soon, and it’s expected to take until 2023. As for the concrete outer shell, the company said there are no set plans as to what’s going to happen to Sudbury’s skyline.
Why is Sudbury so polluted?
Banner: For almost a century, Sudbury suffered from pollution caused by the mining industry. Skies were blanketed in sulfur dioxide and metals released from the smelting of nickel ore at nickel plants such as the one shown here.
Why did NASA train in Sudbury?
‘While we have this appellation of Sudbury being lunar-scape-type terrain, it really was rather a different experience when they got there,” said Dence. “What we were doing in Sudbury was looking for places where the rock, the solid rock was showing, and we could look at the structures in the rock,” he said.
What is the tallest smokestack in the world?
GRES-2, commissioned in 1987, has installed capacity of 1,000 MWe and has the world’s tallest flue-gas stack at 419.7 metres (1,377 ft) high. The reinforced concrete chimney is about 38 metres (125 ft) taller than the Inco Superstack in Sudbury, Ontario, Canada. It is the tallest chimney ever built.
What is the tallest chimney in the world?
GRES-2
GRES-2, commissioned in 1987, has installed capacity of 1,000 MWe and has the world’s tallest flue-gas stack at 419.7 metres (1,377 ft) high. The reinforced concrete chimney is about 38 metres (125 ft) taller than the Inco Superstack in Sudbury, Ontario, Canada. It is the tallest chimney ever built.
Why does Sudbury have no trees?
The Sudbury landscape today is the result of several environmental factors acting together over a period of almost a century. Vegetation damage began with irresponsible logging, fire and roasting beds, but the decades of intense fumigation from smelters caused most of the damage.
Why is Sudbury so rocky?
Reports published in the late 1960s described geological features that were said to be distinctive of meteorite impact, including shatter cones and shock-deformed quartz crystals in the underlying rock. Geologists reached consensus by about 1970 that the Sudbury basin was formed by a meteorite impact.
Why does Sudbury have so much nickel?
The Ministry of Energy, Northern Development and Mines presents stories from the Sudbury area, where a meteorite impact 1.85 billion years ago resulted in rich nickel-copper ore deposits that have made the Greater Sudbury area world-famous.
What is the purpose of a smokestack?
Smokestacks are chimneys needed for factories that burn fossil fuels, such as coal, in order to create steam to power generators in order to create electricity for the factory’s purpose, such as with a coal plant.
Why are power station chimneys so tall?
A smokestack, stack, or chimney is a tall vertical pipe or channel used by power plants to exhaust combustion gases into the air. This height disperses pollutants over a wider area in order to minimize their impact.
Why are industrial chimneys so tall?
Where is the biggest mine in Ontario?
Compass Minerals’ Goderich salt mine, located 1,800 feet under Lake Huron, is the largest underground salt mine in the world. The mine is as deep as the CN Tower in Toronto is tall. It has operated since 1959 and was acquired by Compass Minerals in 1990.
What is the deepest mine in Sudbury Ontario?
Creighton
Creighton is an underground nickel mine located in Greater Sudbury, Ontario, Canada, and the ninth deepest mine in the world. It is also the world’s deepest nickel mine, with its mining depth extending up to 2.42km.
How deep is the Sudbury crater?
The Sudbury Basin is the second largest known impact crater on Earth — 62 kilometres long, 30 kilometres wide and 15 kilometres deep.
How much ore is left Sudbury?
Vale’s proven and probable mineral reserves in the Sudbury basin have dwindled from more than 100 million tonnes in 2011 to 50 million tonnes in 2020. Otranto said mining companies operating in the Sudbury basin all face the same challenges.
How deep are the mines in Sudbury?
Creighton is an underground nickel mine located in Greater Sudbury, Ontario, Canada, and the ninth deepest mine in the world. It is also the world’s deepest nickel mine, with its mining depth extending up to 2.42km.
What comes out of a smokestack?
About 75 percent of what comes out of smokestacks today is nitrogen, a gas that accounts for 78 percent of the Earth’s atmosphere. Another 13 percent is carbon dioxide and 6 percent is water.
Are smokestacks bad?
It poses serious health risks, as well as inducing more cars onto the roads, increasing air pollution and contributing to global warming. It will destroy communities and wipe out much needed green spaces.
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