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bitumen    音標拼音: [b,ɪt'umən] [b,ɑɪt'umən]
n. 瀝青

瀝青

bitumen
n 1: any of various naturally occurring impure mixtures of
hydrocarbons

Bitumen \Bi*tu"men\, n. [L. bitumen: cf. F. bitume. Cf.
{B['e]ton}.]
1. Mineral pitch; a black, tarry substance, burning with a
bright flame; Jew's pitch. It occurs as an abundant
natural product in many places, as on the shores of the
Dead and Caspian Seas. It is used in cements, in the
construction of pavements, etc. See {Asphalt}.
[1913 Webster]

2. By extension, any one of the natural hydrocarbons,
including the hard, solid, brittle varieties called
asphalt, the semisolid maltha and mineral tars, the oily
petroleums, and even the light, volatile naphthas.
[1913 Webster]

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  • Bitumen - Wikipedia
    Bitumen occurs as a solid or highly viscous liquid It may even be mixed in with coal deposits Bitumen, and coal using the Bergius process, can be refined into petrols such as gasoline, and bitumen may be distilled into tar, not the other way around
  • What is Bitumen? Everything You Need to Know
    What is Bitumen and Why is it Important? Bitumen is a black or dark brown sticky substance that can be found naturally or derived from crude oil It’s highly dense and waterproof, making it a great candidate for the binder in road construction and the sealing material in roofing
  • Bitumen | Oil Sands, Extraction Refining | Britannica
    Bitumen, dense, highly viscous, petroleum-based hydrocarbon that is found in deposits such as oil sands and pitch lakes (natural bitumen) or is obtained as a residue of the distillation of crude oil (refined bitumen)
  • What is Bitumen: Key Properties and Applications - Structural . . .
    Bitumen, also referred to as asphalt or tar, is a sticky, black, and highly viscous liquid or semi-solid It is a naturally occurring material that produced during the crude oil refining process
  • What is Bitumen? Definition, Uses, and Why It Matters . . .
    Bitumen is defined as a viscous, black hydrocarbon material derived from the distillation of crude oil It is utilized primarily as a binder in the construction of asphalt, providing strength and durability to paved surfaces
  • Bitumen: Understanding Uses, Production, and Market Factors
    Bitumen is a substance produced through the distillation of crude oil It is known for its waterproofing and adhesive properties and is commonly used in the construction industry, notably for
  • What is Bitumen? | Types and Tests of Bitumen - We are Engineers
    Bitumen is a dense, highly viscous, petroleum-based hydrocarbon that is found in deposits such as oil sands and pitch lakes (natural bitumen) or is obtained as a residue of the distillation of crude oil (refined bitumen) It is generally composed of asphaltene resin and other petroleum compounds
  • What is Bitumen: From Its Origins to Refined Asphalt Binder
    Explore bitumen, a crucial petroleum-derived construction material Discover its origins, applications, and significance in diverse industries
  • What Is Bitumen? Understanding Its Uses, Types, And . . .
    What Is Bitumen? Bitumen is a thick, black, viscous liquid or semi-solid form of petroleum You can find it in asphalt surfaces and roofing materials, making it a real MVP for construction Bitumen’s sticky nature allows it to bind materials together effectively
  • Everything About Bitumen
    Natural bitumen and oil sands generally contain higher amounts of sulfur and heavy metals (like nickel and vanadium) Bitumen consists of large molecules such as asphaltenes, resins, and maltenes, which do not have fixed chemical structures





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