CS185595B2 - Proces for preparing sulphurfree naphthalene - Google Patents

Proces for preparing sulphurfree naphthalene

Info

Publication number
CS185595B2
CS185595B2 CS7600003209A CS320976A CS185595B2 CS 185595 B2 CS185595 B2 CS 185595B2 CS 7600003209 A CS7600003209 A CS 7600003209A CS 320976 A CS320976 A CS 320976A CS 185595 B2 CS185595 B2 CS 185595B2
Authority
CS
Czechoslovakia
Prior art keywords
sulphurfree
proces
naphthalene
preparing
sulphurfree naphthalene
Prior art date
Application number
CS7600003209A
Other languages
English (en)
Inventor
Georg Grigoleit
Helmut Koehler
Gerd Collin
Kurt Matern
Original Assignee
Ruetgerswerke Ag
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
Priority claimed from DE19752535192 external-priority patent/DE2535192C3/de
Application filed by Ruetgerswerke Ag filed Critical Ruetgerswerke Ag
Publication of CS185595B2 publication Critical patent/CS185595B2/cs

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/14875—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/005—Processes comprising at least two steps in series
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/14808—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with non-metals as element
    • C07C7/14816—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with non-metals as element oxygen; ozone
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/17—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with acids or sulfur oxides
    • C07C7/171—Sulfuric acid or oleum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CS7600003209A 1975-08-07 1976-05-13 Proces for preparing sulphurfree naphthalene CS185595B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752535192 DE2535192C3 (de) 1975-08-07 Verfahren zur Gewinnung von schwefelfreiem Reinnaphthalin und von Thionaphthen aus Steinkohlenteer

Publications (1)

Publication Number Publication Date
CS185595B2 true CS185595B2 (en) 1978-10-31

Family

ID=5953399

Family Applications (1)

Application Number Title Priority Date Filing Date
CS7600003209A CS185595B2 (en) 1975-08-07 1976-05-13 Proces for preparing sulphurfree naphthalene

Country Status (11)

Country Link
US (1) US4098838A (cs)
BE (1) BE844883A (cs)
CS (1) CS185595B2 (cs)
ES (1) ES447281A1 (cs)
FR (1) FR2320277A1 (cs)
GB (1) GB1519913A (cs)
IL (1) IL49990A (cs)
IT (1) IT1061237B (cs)
NL (1) NL186509B (cs)
PL (1) PL98953B1 (cs)
SU (1) SU619095A3 (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744066A1 (de) * 1977-09-30 1979-04-12 Ruetgerswerke Ag Verfahren zur herstellung von thionaphthen aus thionaphthensulfonsaeure
US6664433B1 (en) * 1999-04-28 2003-12-16 Nippon Steel Chemical Co., Ltd. Process for the purification of aromatic hydrocarbons and process for the preparation of high-purity aromatic hydrocarbons
CN101861344B (zh) * 2007-11-16 2013-08-28 三菱瓦斯化学株式会社 多官能度二甲基萘甲醛树脂及其制备方法
US9162952B2 (en) 2013-11-19 2015-10-20 Uop Llc Process for purifying products from coal tar
WO2016094798A1 (en) 2014-12-12 2016-06-16 Quantex Research Corporation Process for depolymerizing coal to co-produce pitch and naphthalene
CN108558591B (zh) * 2018-05-31 2021-05-11 山西豪仑科化工有限公司 一种萘残油分离回收方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1819680A (en) * 1921-03-29 1931-08-18 Barrett Co Purification of solid aromatic hydrocarbons
US1438710A (en) * 1921-09-19 1922-12-12 Barrett Co Purification of naphthalene
US1996262A (en) * 1931-12-17 1935-04-02 Sherwin Williams Co Purification of naphthalene
GB692098A (en) * 1950-03-31 1953-05-27 North Thames Gas Board Improvements in or relating to the purification of naphthalene
US2920121A (en) * 1957-12-13 1960-01-05 William E Sisco Process for recovery of naphthalene from sulfonic acid solutions
DE1261843B (de) * 1957-12-17 1968-02-29 Still Fa Carl Verfahren zur Gewinnung von Naphthalin mit dem Erstarrungspunkt von 78 bis 79 und darueber aus Steinkohlenteer
US2955144A (en) * 1958-06-18 1960-10-04 American Cyanamid Co Process for refining naphthalene
US3511889A (en) * 1967-10-10 1970-05-12 Nikolai Nikolaevich Vorozhtsov Method of purifying naphthalene

Also Published As

Publication number Publication date
BE844883A (fr) 1976-12-01
US4098838A (en) 1978-07-04
DE2535192B2 (de) 1977-06-30
NL186509B (nl) 1990-07-16
NL7606550A (nl) 1977-02-09
FR2320277A1 (fr) 1977-03-04
FR2320277B1 (cs) 1980-12-19
PL98953B1 (cs) 1978-06-30
DE2535192A1 (de) 1977-03-10
SU619095A3 (ru) 1978-08-05
ES447281A1 (es) 1977-07-01
IL49990A (en) 1978-12-17
IT1061237B (it) 1983-02-28
GB1519913A (en) 1978-08-02
IL49990A0 (en) 1976-09-30

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