cuticle
发表于 2025-3-23 12:10:25
Base materials for aromatic chemicals,The chemical industry meets its demand for carbon-containing feedstocks for the production of organic compounds from fossil raw materials — coal, oil and natural gas — as well as from renewable raw materials.
Neolithic
发表于 2025-3-23 14:12:56
Production of benzene, toluene and xylenes,Since the BTX-aromatics benzene, toluene and xylene are co-generated, alongside other aromatics and non-aromatics during coal conversion and petroleum refining, their concurrent recovery is described jointly in this chapter.
chondromalacia
发表于 2025-3-23 19:53:39
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自爱
发表于 2025-3-24 00:19:26
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synchronous
发表于 2025-3-24 06:12:27
Toxicology/Environmental aspects,Toxicology, the science concerning the studies of harmful effects of chemicals of both natural and industrial origin on living organisms, has the prime objective of investigating the possible risk to all forms of life from chemical substances.
厌倦吗你
发表于 2025-3-24 07:20:32
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不朽中国
发表于 2025-3-24 12:00:22
Production and uses of benzene derivatives,he major industrial products from benzene are alkylated derivatives such as ethylbenzene and cumene, which are used as basic materials for the production of styrene and phenol, and long-chain alkylbenzenes, which are used as feedstocks in the manufacture of surfactants.
CHURL
发表于 2025-3-24 15:29:33
,Polyalkylated benzenes — production and uses,nzenes (pseudocumene, mesitylene and hemimellitene), together with the tetramethylated benzenes durene, isodurene and prehnitene. Indane and indene compounds, penta- and hexamethylbenzene and cumene, are also present in these heavy gasoline fraction. (Cumene is predominantly converted to phenol as described in Chapter 5.2).
Aspiration
发表于 2025-3-24 21:12:52
,Anthracene — production and uses,stry began with the synthesis of the dyestuff alizarin by Carl Graebe and Carl Th. Liebermann, as well as by William H.Perkin in 1868, replacing the natural dye produced from madder. Anthraquinone dyestuffs have remained the most important class of dyes, alongside azo-dyes, since the beginning of the chemistry of synthetic dyestuffs.
顶点
发表于 2025-3-25 02:31:32
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