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lignite    音标拼音: [l'ɪgn,ɑɪt]
n. 褐煤

褐煤

lignite
n 1: intermediate between peat and bituminous coal [synonym:
{lignite}, {brown coal}, {wood coal}]

Lignite \Lig"nite\ (l[i^]g"n[imac]t), n. [L. lignum wood: cf. F.
lignite.] (Min.)
Mineral coal retaining the texture of the wood from which it
was formed, and burning with an empyreumatic odor. It is of
more recent origin than the anthracite and bituminous coal of
the proper coal series. Called also {brown coal}, {wood
coal}.
[1913 Webster]


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  • Lignite - Wikipedia
    Lignite (from Latin lignum 'wood'), often called brown coal, [1] is a soft, brown, combustible sedimentary rock formed from naturally compressed peat It has a carbon content around 25–35% [1][2] and is considered the lowest rank of coal due to its relatively low heat content
  • Lignite | Uses, Formation, Properties | Britannica
    Lignite, generally yellow to dark brown or rarely black coal that formed from peat at shallow depths and temperatures lower than 100 °C (212 °F) It is the first product of coalification and is intermediate between peat and subbituminous coal according to the coal classification used in the United
  • What Is Lignite Coal and How Is It Used? - Engineer Fix
    Lignite, often referred to as brown coal, is a soft, combustible sedimentary rock that represents the lowest rank on the coal classification scale It is geologically the youngest of the coals, having formed from naturally compressed peat under relatively low temperature and pressure conditions
  • What is Lignite? - Lignite Energy Council
    Lignite is a dark brown to black combustible mineral formed over millions of years by the partial decomposition of plant material subject to increased pressure and temperature in an airless atmosphere In simple terms, lignite is coal
  • Lignite - an overview | ScienceDirect Topics
    Lignite is defined as a type of soft, brownish-black coal with the lowest carbon content among coal ranks, characterized by a low heat value of 4000–8300 Btu lb, and is primarily used for electric power generation AI generated definition based on: Mineral Processing, 2023
  • Lignite Coal - University of Kentucky
    Lignite Coal Lignite is the lowest rank of coals Lignites are brown in color and have an earthy, crumbly texture They look more like dirt, than what people normally think of when they think of coal In the U S rank classification, lignites are defined based on calorific value
  • Lignite: Mineral information, data and localities.
    Lignite can be separated into two types The first is xyloid lignite or fossil wood and the second form is the compact lignite or perfect lignite Lignite is geologically younger than higher-grade coals, originating mainly in the Tertiary period
  • Lignite: Properties, Types, Uses Chemistry Explained - Vedantu
    Discover lignite’s structure, types, key uses, and chemistry Master the topic with clear notes from Vedantu experts-start learning now!
  • What is Lignite? (with picture) - AllTheScience
    Lignite is a brownish-black fossil fuel that is used primarily for electric power generation Considered to be a low-ranking type of coal, the fuel is usually categorized by geologists as a recent fuel Typically, it fits between peat and sub-bituminous coal on geological solid fuel ranking scales
  • What is Lignite Coal? Definition of Lignite, Chemical Properties . . .
    What is Lignite? Wood and other vegetable matter decayed and transformed under pressure millions of years ago to form coal Lignite has a Lower Rank in the coalification process, meaning this more recent than bituminous and anthracite coals Called Brown Coal, vast reserves of lignite are available in limited areas of the world Australia, US and China have the major reserve of Lignite





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