Coal tar oil

Aromatic hydrocarbon resins. The polymerization procedure and variables in the reactions of the aromatic hydrocarbon resins are similar to those for the coumarone-indene resins. However, the Cg feedstreams used in the polymerization of the aromatic hydrocarbon resins do not contain significant amounts of phenols or pyridine bases, so they are submitted directly to fractional distillation. Distillation produced more byproducts than light coal-tar oils. The aromatic hydrocarbon resins obtained have softening points between liquid and 125°C and Gardner colour of 6 to 11. By changing distillation conditions, aromatic hydrocarbon resins with softening points between 65 and 170°C and Gardner colour of 5 to 10 can also be obtained. 

Figure 1.2 Chromatogram of coal-tar oil obtained by using the following conditions column, Waters Spherisorb PAH 5 mm in 250 p.m id X 30 cm fused silica column oven temperature, 100°C UV detector wavelength to 254 nm mobile phase, 100 to 300 bar CO2 and 0.10 to 1.00 p.L min methanol over 30 minutes.

Steinkohlenteer, m. coal tar. -benzin, n. benzene benzol(e), -blase,/. coal-tar still, -essenz, /. first light oil. -farbe, /. coal-tar color, -kampher, m. naphthalene, -dl, n. coal-tar oil (leichtes, light oil schweres, heavy oil), -pech, n. coal-tar pitch, -prl-parat, n. coal-tar preparation, coal-tar prod uct-... 

Several methods can be employed to convert coal mto liquids, with or without the addition of a solvent or vehicle. Those methods which rely on simple pyrolysis or carbonization produce some liquids, but the main product is coke or char Extraction yields can be dramatically increased by heating the coal over 350°C in heavy solvents such as anthracene or coal-tar oils, sometimes with applied hydrogen pressure, or the addition of a catalyst Solvent components which are especially beneficial to the dissolution and stability of the products contain saturated aromatic structures, for example, as found in 1,2,3,4 tetrahydronaphthalene Ilydroaromatic compounds are known to transfer hydrogen atoms to the coal molecules and, thus, prevent polymerization... 

Synonym Gamma-Chloropropylene Oxide 3-Chloro-1,2-Propylene Oxide Chlorosulfonic Acid Chlorothene Chiorotoluene, Alpha Alpha-Chlorotoluene Omega-Chlorotoluene Chlorotrifluoroethylene Chlorotrimethylsilane Chlorsulfonic Acid Clilorylen Clip Chromic Acid Chromic Anhydride Chromic Oxide Chromium (VI) Dioxychloride Chromium Oxychloride Chromium Trioxide Chromyl Chloride Cianurina Citric Acid Citric Acid, Diammonium Salt Clarified Oil Clorox Cc Ral Coal Tar Oil Cobalt Acetate Cobalt Acetate Tetrahydrate Cobalt (II) Acetate Cobalt Chloride Cobalt (II) Chloride Cobaltous Acetate Cobaltous Chloride Cobaltous Chloride Dihydrate Cobaltous Chloride Hexahydrate Cobaltous Nitrate Cobaltous Nitrate Hexahydrate Cobaltous Sulfate Heptahydrate Cobalt Nitrate Cobalt (II) Nitrate Cobalt Sulfate Compound Name Epichlorohydrin Epichlorohydrin Chlorosulfonic Acid Trichloroethane Benzyl Chloride Benzyl Chloride Benzyl Chloride Trifluorochloroethylene Trimethylchlorosilane Chlorosulfonic Acid Trichloroethylene Cumene Hydroperoxide Chromic Anhydride Chromic Anhydride Chromic Anhydride Chromyl Chloride Chromyl Chloride Chromic Anhydride Chromyl Chloride Mercuric Cyanide Citric Acid Ammonium Citrate Oil Clarified Sodium Hypochlorite Coumaphos Oil Coal Tar Cobalt Acetate Cobalt Acetate Cobalt Acetate Cobalt Chloride Cobalt Chloride Cobalt Acetate Cobalt Chloride Cobalt Chloride Cobalt Chloride Cobalt Nitrate Cobalt Nitrate Cobalt Sulfate Cobalt Nitrate Cobalt Nitrate Cobalt Sulfate... 

Mixtures of gaseous or liquid hydrocarbons which can be vaporized represent the raw materials preferable for the industrial production of carbon black. Since aliphatic hydrocarbons give lower yields than aromatic hydrocarbons, the latter are primarily used. The best yields are given by unsubstituted polynuclear compounds with 3-4 rings. Certain fractions of coal tar oils and petrochemical oils from petroleum refinement or the production of ethylene from naphtha (aromatic concentrates and pyrolysis oils) are materials rich in these compounds. These aromatic oils, which are mixtures of a variety of substances, are the most important feedstocks today. Oil on a petrochemical basis is predominant. A typical petrochemical oil consists of 10-15% monocyclic, 50-60% bicyclic, 25-35% tricyclic, and 5-10% tetracyclic aroma tes. 

Incomplete combustion furnace black process petrochemical oils and coal tar oils... 

In Germany, where natural gas was not available in sufficient amounts, the gas black process was developed in the 1930s. It is similar to the channel black process, but uses coal tar oils instead of natural gas. Yields and production rates are much higher with oil-based feedstock this process is still used to manufacture high-quality pigment blacks with properties comparable to those of channel blacks. The gas black process has been used by Degussa on an industrial scale since 1935. 

There s hardly a thing a man can name Of beauty or use in life s small game, But you can extract in alembro or jar, From the physical basis of black coal tar Oil and ointment, and wax and wine, And the lovely colours called aniline ... 

Channel Black One of the processes used to make carbon black. In this process, natural gas was incompletely burned in small flames, which impinged on cooled channel irons that were continuously moved and scraped. Invented by L.J. McNutt in 1892 and commercialized that year in Gallagher, PA. The last U.S. plant was closed in 1976. The Gas Black process works similarly but uses coal tar oils as feedstocks. 

Gas Black A process for making carbon black. Similar to the Carbon Black process, but uses a coal tar oil as the feedstock. Developed in the 1930s and still in use in 2005. 

SYNS AOTA 1 BRICK OIL COAL TAR OIL COAL TAR OIL (DOT) CREOSOTE CREOSOTE, from COALTAR CREOSOTE OIL CREOSOTE PI CREOSOTUM CRESYUC CREOSOTE HEAVY OIL UQUID PITCH OIL NAPHTHALENE OIL PRESERV-O-SOTE RCRA WASTE NUMBER U051 TAR OIL WASH OIL... 

Dimethyl sulfate is produced by acting on fuming. sulfuric acid with methyl alcohol and distilling in vacuo. Before Uie war it was used in industry as a methylating agent for amines and phenols and as a reagent for detecting coal-tar oils. 

Several less common polymers with saturated carbon chain backbone are commercially available and have special practical applications. For example, indene obtained from the coal-tar oil by-products of coking operations can be polymerized by the addition of H2SO4 to form a linear hydrocarbon type polymer with relatively low DP [1-3]. The polymerization of coumarone from the same source generates a similar product, which is used in coatings, adhesives, etc. 

Light and heavy coal tar oil were applied dermally for the lifespan of mice or until persistent papillomas developed at the application site. Test solutions were applied three times weekly in male and female mice. Both produced skin tumors the light coal tar oil contained benzene, toluene, xylene, solvent naphtha, and was the residual oil drained from a naphthalene recovery operation the heavy coal tar oil was a mixture of creosote, anthracene oils, and the oil drained from the naphthalene recovery operation. The heavy oil was less potent compared to the effects observed in the BaP group of the study. 

Synonyms Coal tar oil Brick oil Heavy oil Naphthalene oil Liquid pitch Wood creosote... 

Runge, F. F., (1795-1867) rediscovered aniline in coal tar oil in 1834, but named it kyanol, because a bright blue color appeared whenever it was mixed with a bleaching powder (chloride of lime)11. Note that in his pioneer work, Runge also discovered, for the first time, phenol (called then carbolic acid ), pyrrole, quinoline, naphthalene, rosolic acid and some other bases12. 

Chrome brick Clay Coal tar oils Coal tars Coke... 

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