The top surface of roads is normally bitumen based with chippings rolled in. From LearnThat.org. [yourdictionary.com]
In what you might call a giant washing machine, agitation and heat begin to separate the bitumen from the sand. From Wordnik.com. [Technology in the Oil Industry: What's Now and What's Next?] Reference
At the Athabasca Oil Sands Project, where bitumen is surface-mined, the ore is broken up and mixed with warm water to form a slurry. From Wordnik.com. [Technology in the Oil Industry: What's Now and What's Next?] Reference
The material is bitumen, which is about the same as asphalt. From Wordnik.com. [Atomic] Reference
The oil in those projects is trapped in tarlike bitumen, which is mixed with sand and clay. From Wordnik.com. [Environmental Valuation & Cost-Benefit News] Reference
It's called bitumen, and it's so thick and heavy -- tar-like, if you will -- that it can't be drilled in conventional ways. From Wordnik.com. [Michael Brune: Palin's Pipeline From Hell] Reference
Other operations burn natural gas to pump steam underground, melting a viscous substance known as bitumen out of deep formations. From Wordnik.com. [All Today's News - Sightline Daily] Reference
It's a hydrocarbon called bitumen that has to be processed into an oil equivalent, synthetic crude, using one of the most expensive and energy intensive processes in the world. From Wordnik.com. [Marketplace] Reference
Waterproofers such as bitumen, or stabilisers such as lime or cement, may be used with certain soils to improve wet strength. From Wordnik.com. [Chapter 4] Reference
But when European translators came across the word, they confused it with another kind of bitumen used by Egyptians for embalming. From Wordnik.com. [Mummy Love] Reference
China's continued stimulus spending will also support the continued consumption of petroleum products such as bitumen, used to build roads. From Wordnik.com. [CNOOC's Profit Plunges 34%] Reference
In-situ projects extract bitumen which is trapped too far below the Earth's surface to mine. From Wordnik.com. [canada.com Top Stories] Reference
There is no bitumen with us which resists water, hence we raise no objection to "bitumen" being rendered "pitch.". From Wordnik.com. [Commentary on Genesis, Vol. II Luther on Sin and the Flood] Reference
It is made from bitumen which is a heavy and viscous form of petroleum; normally the residual of the distillation of crude oil. From Wordnik.com. [The Oil Drum - Discussions about Energy and Our Future] Reference
He also didn't believe that unconventional bottom-of-the-barrel replacements such as bitumen or shale gas could offset the decline. From Wordnik.com. [AlterNet.org Main RSS Feed] Reference
A root-protection barrier is necessary if the weather-protection barrier contains chemically organic materials such as bitumen or asphalt. From Wordnik.com. [The Full Feed from HuffingtonPost.com] Reference
Channel by the smell of bitumen which floats on the water. From Wordnik.com. [Life at Puget Sound: With Sketches of Travel in Washington Territory, British Columbia, Oregon and California] Reference
Natural asphalt containing not less than 95 per cent bitumen was specified. From Wordnik.com. [Concrete Construction Methods and Costs] Reference
These were all of a very soft consistency; but at the bitumen works at four hours north of. From Wordnik.com. [Byeways in Palestine] Reference
The vaults rose up as high as the city walls, bearing reeds richly bedded in bitumen and gypsum. From Wordnik.com. [Are vertical farms the future of urban food?] Reference
In the processes of embalming, the physicians made use of oils, resin, bitumen, and various aromatic gums. From Wordnik.com. [General History for Colleges and High Schools] Reference
A new method of making bitumen plates by contact has also been introduced into the topographical studios. From Wordnik.com. [Scientific American Supplement, No. 286, June 25, 1881] Reference
Sarco waterproofing is a compound analyzing 99.7 per cent. pure bitumen and having a range of ductility of 200° F. From Wordnik.com. [Concrete Construction Methods and Costs] Reference
The top of the hill is covered with dry clay, in which are numerous basins full of warmish water mixed with mud and bitumen. From Wordnik.com. [Wonders of Creation] Reference
A specimen of the native bitumen, brought from Persia, and of which the author made trial, had a powerful scent of garlic when rubbed. From Wordnik.com. [Field's Chromatography or Treatise on Colours and Pigments as Used by Artists] Reference
Besides the tree roots, flinty anthracite, and viscous bitumen that darkened the island's soil, the workers began hitting pockets of bones. From Wordnik.com. [The Unnatural History of Brown's Island] Reference
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