濟南瀝青材料是一些極其復雜的高分子碳氫化合物與其他非金屬(氧、硫、氮)衍生物所組成的混合物，其中碳占80％一87％，氫占10％～15％，氧、硫、氮小于0．3％，此外還有少量微量金屬元素。石油瀝青化學組分按四組分法可分為飽和分、芳香分、膠質(zhì)和瀝青質(zhì)。

Asphalt material is a mixture of highly complex polymer hydrocarbons and other non-metallic (oxygen, sulfur, nitrogen) derivatives, with carbon accounting for 80% to 87%, hydrogen accounting for 10% to 15%, oxygen, sulfur, nitrogen less than 0.3%, and a small amount of trace metal elements. The chemical components of petroleum asphalt can be divided into saturated fraction, aromatic fraction, resin, and asphaltene according to the four component method.

濟南瀝青按其在自然界中獲得的方式，可分為地瀝青和焦油瀝青兩大類。

Asphalt can be divided into two categories based on the way it is obtained in nature: ground asphalt and tar asphalt.

地瀝青按其產(chǎn)源又可分為天然瀝青和石油瀝青。天然瀝青是石油在自然條件下，長時間經(jīng)受地球物理因素作用而形成的產(chǎn)物：石油瀝青是石油經(jīng)精制加工成油品后，最后加工而得到的產(chǎn)品，現(xiàn)用于公路瀝青路面。

Asphalt can be divided into natural asphalt and petroleum asphalt according to its source of production. Natural asphalt is a product formed by petroleum under natural conditions and long-term exposure to geophysical factors: petroleum asphalt is a product obtained by refining petroleum into oil products and finally processing it, and is now used for highway asphalt pavement.

焦油瀝青是各種有機物(煤、泥炭、木材等)干餾加工得到的焦油，經(jīng)再加工而得到的半成品，我國常用的焦油瀝青是煤瀝青。

Tar pitch is a semi-finished product obtained by the dry distillation and processing of various organic substances (coal, peat, wood, etc.), and further processed. The commonly used tar pitch in China is coal tar pitch.

目前，我國在煉油廠中生產(chǎn)瀝青的主要工藝方法有：蒸餾法、氧化法、半氧化法、溶劑脫瀝青法和調(diào)配法等，由于制造方法不同，瀝青性質(zhì)有很大差異。

At present, the main process methods for producing asphalt in refineries in China include distillation, oxidation, semi oxidation, solvent deasphalting, and blending. Due to different manufacturing methods, the properties of asphalt vary greatly.

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