GB769293A - Process for the production of hydroaromatic hydrocarbons from coal tar and coal tar fractions and products therefrom - Google Patents

Process for the production of hydroaromatic hydrocarbons from coal tar and coal tar fractions and products therefrom

Info

Publication number
GB769293A
GB769293A GB2516752A GB2516752A GB769293A GB 769293 A GB769293 A GB 769293A GB 2516752 A GB2516752 A GB 2516752A GB 2516752 A GB2516752 A GB 2516752A GB 769293 A GB769293 A GB 769293A
Authority
GB
United Kingdom
Prior art keywords
atmospheres
coal tar
stage
hydrogenated
partial pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2516752A
Inventor
Donald Mcneil
Wright Waddington
Felix Berthold Popper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
COAL TAR RES ASS
Original Assignee
COAL TAR RES ASS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by COAL TAR RES ASS filed Critical COAL TAR RES ASS
Priority to GB2516752A priority Critical patent/GB769293A/en
Publication of GB769293A publication Critical patent/GB769293A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G65/00—Treatment of hydrocarbon oils by two or more hydrotreatment processes only
    • C10G65/02—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only
    • C10G65/04—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps
    • C10G65/08—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps at least one step being a hydrogenation of the aromatic hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions

Abstract

Coal tar, coal tar fractions and aromatic hydrocarbons derived from coal tar are hydrogenated in two stages, the first using a sulphur-resistant catalyst at 350-450 DEG C. and a hydrogen partial pressure of 0.5-70 atmospheres to destructively hydrogenate sulphur compounds and hydrogenate part of the aromatic hydrocarbons, the second being a non-destructive, complete hydrogenation of the product entirely in the vapour phase at 200-500 DEG C. and 20-100 atmospheres hydrogen partial pressure using a catalyst consisting of one or more Group 8 metals. The coal tar fractions used may comprise mixtures of aromatic hydrocarbons with partially hydrogenated derivatives, paraffins, olefins, and naphthenes. The first stage may be effected in liquid, vapour or mixed phase, continuously or batchwise. Catalysts include molybdates and thiomolybdates, supported or not, especially cobalt molybdate on alumina. The hydrogen partial pressure used increases with the complexity of the sulphur compounds present. The exit gas may be re-used after removal of H2S. The products are treated, if necessary, to remove H2S and completely hydrogenated in the second stage as in Specification 761,755. Excess hydrogen from each stage may be recycled. In examples: (1) sublimed naphthalene is desulphurized by hydrogenation at 375 DEG C. and 32 atmospheres using cobalt molybdate, and the product vaporized in hydrogen at 300 DEG C. and 32 atmospheres in the presence of nickel on kieselguhr to yield decahydronaphthalene; (2) a 200-280 DEG C. coal tar fraction freed of tar acids and bases is similarly desulphurized but at 410 DEG C., and then hydrogenated, after a caustic soda wash, to yield naphthenes; (3) a 300-380 DEG C. fraction is similarly treated, first at 410 DEG C. and 42 atmospheres, and then at 300-330 DEG C. and 32 atmospheres, the product then being recycled to the second stage at 360-370 DEG C. and 55 atmospheres; (4) a 120-200 DEG C. fraction is treated first at 410 DEG C. and 20 atmospheres, then at 270-280 DEG C. and 30 atmospheres.
GB2516752A 1952-10-08 1952-10-08 Process for the production of hydroaromatic hydrocarbons from coal tar and coal tar fractions and products therefrom Expired GB769293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2516752A GB769293A (en) 1952-10-08 1952-10-08 Process for the production of hydroaromatic hydrocarbons from coal tar and coal tar fractions and products therefrom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2516752A GB769293A (en) 1952-10-08 1952-10-08 Process for the production of hydroaromatic hydrocarbons from coal tar and coal tar fractions and products therefrom

Publications (1)

Publication Number Publication Date
GB769293A true GB769293A (en) 1957-03-06

Family

ID=10223306

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2516752A Expired GB769293A (en) 1952-10-08 1952-10-08 Process for the production of hydroaromatic hydrocarbons from coal tar and coal tar fractions and products therefrom

Country Status (1)

Country Link
GB (1) GB769293A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441497A (en) * 1965-08-20 1969-04-29 United States Steel Corp Jet fuels from hydrogenated coal tar derivatives and pinane-containing materials
GB2125817A (en) * 1982-08-23 1984-03-14 British Gas Corp Production of partially saturated polycyclic hydrocarbons and methane rich gas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441497A (en) * 1965-08-20 1969-04-29 United States Steel Corp Jet fuels from hydrogenated coal tar derivatives and pinane-containing materials
GB2125817A (en) * 1982-08-23 1984-03-14 British Gas Corp Production of partially saturated polycyclic hydrocarbons and methane rich gas

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