Sentences with phrase «toxic tailings»

The researchers found woefully inadequate reclamation progress, astonishing rates of toxic tailings creation and no proven way to clean them up.

From toxic tailings ponds that already cover 130 square kilometres, to fresh water use and the direct impacts of digging 100 metre open pit mines over thousands of square kilometres of boreal forest, the report details the environmental problems and other challenges that oil sands mining poses to northern Alberta.

Tar sands mines create as much toxic tailings every day as flows over Niagara Falls in 90 seconds.

Tailing Ponds It has been one year since a breach of a containment pond at the Obed Mine spilled 670 million litres of toxic tailings into the Athabasca River and its tributaries.

The cost of reclaiming over 300,000 oil and gas wells in Alberta likely exceeds $ 70 billion, and the cost of cleaning up the toxic tailings ponds and other damage at the oil sands could reach similar levels.

More than any other image, it is toxic tailings that sells the message of the oilsands as a «dirty» source of oil.

Not exact matches

The low - lying basin was meant to capture the tailings, mostly sand and clay but also some toxic chemicals left over after removing most of the bitumen, or tarry oil, from the ore.

The Company uses its patented BACOX bioleaching technology to process toxic, arsenic - laden mine tailings.

Floodwaters may also be contaminated with toxic waste washed from tailings left by gold and silver mining, says Linda Figueroa, a wastewater engineer at the Colorado School of Mines in Golden.

Milling that metric ton from McArthur, which is reported to be roughly 20 percent uranium, would then result in 440 pounds (200 kilograms) of yellowcake and 1,765 pounds (800 kilograms) of toxic, radioactive tailings, at best.

A new study published in the Canadian Journal of Microbiology has identified new toxic metalloid - reducing bacteria in highly polluted abandoned gold mine tailings in Manitoba's Nopiming Provincial Park.

This is more like sewage or toxic mine tailings.

Mining and processing tar sands also create a toxic sludge called tailings.

Oil - sands production emits roughly three times the carbon dioxide of conventional light - oil production and the strip - mining operations involved destroy the landscape in northern Alberta, creating large tailings ponds filled with toxic wastewater.

Its plans for the new Conga Mine included draining the lake and converting it into a tailings pond to collect the toxic mining byproducts, such as cyanide and arsenic.