bitumen

Home > ... > Science and Technology > Chemistry > Organic Chemistry > ...

Essential reading Compare
side-by-side World Encyclopedia The Columbia Encyclopedia, Sixth Edition

bitumen

bitumen a generic term referring to flammable, brown or black mixtures of tarlike hydrocarbons, derived naturally or by distillation from petroleum. It can be in the form of a viscous oil to a brittle solid, including asphalt, tars, and natural mineral waxes. Substances containing bitumens are called bituminous, e.g., bituminous coal, tar, or pitch.

Create a link to this page

Copy and paste this link tag into your Web page or blog:

<a href="http://www.encyclopedia.com/topic/.aspx#1E1-bitumen" title="Facts and information about bitumen">bitumen</a>

Give this article a thumbs-up on StumbleUpon

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

"bitumen." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. 25 Nov. 2009 <http://www.encyclopedia.com>.

"bitumen." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. (November 25, 2009). http://www.encyclopedia.com/doc/1E1-bitumen.html

"bitumen." The Columbia Encyclopedia, Sixth Edition. 2008. Retrieved November 25, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-bitumen.html

Learn more about citation styles

bitumen

World Encyclopedia | 2005 | Â© World Encyclopedia 2005, originally published by Oxford University Press 2005. (Hide copyright information) Copyright

bitumen (asphalt) Material used for roadmaking and for proofing timber against rot. It consists of a mixture of hydrocarbons and other organic chemical compounds. Some bitumen occurs naturally in pitch lakes, notably in Trinidad. The material is also made by distilling tar from coal or wood.

Create a link to this page

Copy and paste this link tag into your Web page or blog:

<a href="http://www.encyclopedia.com/topic/.aspx#1O142-bitumen" title="Facts and information about bitumen">bitumen</a>

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

"bitumen." World Encyclopedia. 2005. Encyclopedia.com. 25 Nov. 2009 <http://www.encyclopedia.com>.

"bitumen." World Encyclopedia. 2005. Encyclopedia.com. (November 25, 2009). http://www.encyclopedia.com/doc/1O142-bitumen.html

"bitumen." World Encyclopedia. 2005. Retrieved November 25, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-bitumen.html

Learn more about citation styles

Related entries from encyclopedias, dictionaries and thesauruses

Rate these entries|See all related entries

Free newspaper and magazine articles

	New Report Details and Analyses the International and CIS Bitumen Markets. Business Wire; 1/18/2007
	Research and Markets : New Report Details and Analyses the International and CIS Bitumen Markets. Business Wire; 1/18/2007
	Paramount Energy Trust Provides Update On EUB Bitumen Policy Released In GB 2003-28. Business Wire; 7/23/2003

Facts and information from other sites

Related articles from newspapers, magazines, and more

	Reportlinker Adds Bitumen Market Research. PR Newswire; 10/6/2009; 700+ words ; ...Classification of heavy oils and bitumens 1.7 Bitumen reserves 1.8 Chemical structure...Classification of heavy oils and bitumens 1.7 Bitumen reserves 1.8 Chemical structure...further processing into road bitumens 3.10 Bitumen consumers in Russia 3.11...
	Bitumen Market Research - A Comprehensive Report Featuring Major Bitumen Producers, Prices, Supply and Demand Conditions, etc. M2 Presswire; 11/13/2009; 700+ words ; ...of heavy oils and bitumens 1.7. Bitumen reserves 1.8. Chemical...Road and construction bitumens in Russia 3.3. Bitumen-producing companies...Russian market of bitumen-based roofing materials 3.6. Bitumens produced in Russia...
	Modified bitumen roofing moves to the top. Magazine article from: Buildings; 10/1/1989; ; 700+ words ; ...alternating layers of bitumen and reinforcing sheets. Bitumens provide the waterproofing...the job site, the bitumen is usually heated...which these modified bitumens and reinforcing materials...offer several modified bitumen roofing systems...
	Effect of bitumen wax on asphalt mixture performance. Magazine article from: Construction and Building Materials; 11/1/2007; ; 700+ words ; ...rheological effect of bitumen waxes and the impact of waxy bitumens on asphalt mixture...waxy and non-waxy bitumens were relatively small...presence of wax in bitumen resulted in physical...temperatures. Using waxy bitumens, asphalt mixtures...
	Alberta's Bitumen Production Forecast To Continue To Grow; Alberta expected to produce over 3 million barrels of oil per day by 2018. M2 Presswire; 6/11/2009; 700+ words ; ...Government of Alberta: Alberta's Bitumen Production Forecast To Continue To Grow...Alberta's diverse energy resources: bitumen, crude oil, natural gas, natural gas...The ERCB expects Alberta's annual bitumen production to increase to more than one...
	Effect of ageing on bitumen chemistry and rheology. Magazine article from: Construction and Building Materials; 2/1/2002; ; 700+ words ; ...of ageing on bitumen chemistry and...studied. Seven bitumens were aged according...Keywords: Bitumens; Ageing; Chemical...Introduction Bitumen ageing is one...were used to age bitumens. The effect of ageing on bitumen chemistry and...
	Interpretation of bitumen recovery data from batch extraction tests. Magazine article from: Canadian Journal of Chemical Engineering; 10/1/2007; ; 700+ words ; ...extraction tests are used to simulate commercial bitumen recovery processes and to estimate the bitumen recovery that can be expected from a given...Canada Limited in the early 1970s to simulate bitumen recovery from the Clark hot water process...
	Decay properties of the foamed bitumens. Magazine article from: Construction and Building Materials; 12/1/2006; ; 700+ words ; ...of two foamed bitumens. Foaming tests...two types of bitumen: Penetration...60 and PG 100 bitumen, respectively. Two bitumens' decay functions...decay property of bitumen can be described...function. Different bitumens have different...
	Self-adhered modified bitumen systems. (Technical Details). Magazine article from: Roofing Contractor; 5/1/2003; ; 700+ words ; ...introduction of self-adhered modified bitumen systems (SAMBs). These types of systems...counter safety concerns associated with hot bitumen and torch applications and environmental...far from conventional wisdom of modified bitumen sheet adhesion. Modified bitumen sheets...
	The research of GMA-g-LDPE modified Qinhuangdao bitumen.(Table) Magazine article from: Construction and Building Materials; 6/1/2008; ; 700+ words ; ...Abstract The paper studies the Qinhuangdao bitumen modified by LDPE and GMA-g-LDPE...altered the performances of polymer modified bitumen such as softening point, ductility at...report that the GMA-g-LDPE modified bitumen have the better properties of rutting...