ES447281A1 - Procedimiento para la obtencion de naftaleno puro exento de azufre a partir de alquitran de hulla y de tionafteno como subproducto. - Google Patents

Procedimiento para la obtencion de naftaleno puro exento de azufre a partir de alquitran de hulla y de tionafteno como subproducto.

Info

Publication number
ES447281A1
ES447281A1 ES447281A ES447281A ES447281A1 ES 447281 A1 ES447281 A1 ES 447281A1 ES 447281 A ES447281 A ES 447281A ES 447281 A ES447281 A ES 447281A ES 447281 A1 ES447281 A1 ES 447281A1
Authority
ES
Spain
Prior art keywords
naphthalene
thionaphthene
benzene
coal tar
solution
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
ES447281A
Other languages
English (en)
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.)
Rain Carbon Germany GmbH
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 ES447281A1 publication Critical patent/ES447281A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/148Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/14875Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with organic compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/005Processes comprising at least two steps in series
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/148Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/148Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/14808Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with non-metals as element
    • C07C7/14816Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with non-metals as element oxygen; ozone
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/148Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/17Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with acids or sulfur oxides
    • C07C7/171Sulfuric 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)
ES447281A 1975-08-07 1976-04-23 Procedimiento para la obtencion de naftaleno puro exento de azufre a partir de alquitran de hulla y de tionafteno como subproducto. Expired ES447281A1 (es)

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
ES447281A1 true ES447281A1 (es) 1977-07-01

Family

ID=5953399

Family Applications (1)

Application Number Title Priority Date Filing Date
ES447281A Expired ES447281A1 (es) 1975-08-07 1976-04-23 Procedimiento para la obtencion de naftaleno puro exento de azufre a partir de alquitran de hulla y de tionafteno como subproducto.

Country Status (11)

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

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
WO2009063860A1 (ja) * 2007-11-16 2009-05-22 Mitsubishi Gas Chemical Company, Inc. 多官能性ジメチルナフタレンホルムアルデヒド樹脂およびその製造方法
US9162952B2 (en) 2013-11-19 2015-10-20 Uop Llc Process for purifying products from coal tar
US9534176B2 (en) 2014-12-12 2017-01-03 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
IL49990A0 (en) 1976-09-30
BE844883A (fr) 1976-12-01
IL49990A (en) 1978-12-17
US4098838A (en) 1978-07-04
PL98953B1 (es) 1978-06-30
NL186509B (nl) 1990-07-16
GB1519913A (en) 1978-08-02
CS185595B2 (en) 1978-10-31
IT1061237B (it) 1983-02-28
NL7606550A (nl) 1977-02-09
SU619095A3 (ru) 1978-08-05
DE2535192B2 (de) 1977-06-30
FR2320277B1 (es) 1980-12-19
FR2320277A1 (fr) 1977-03-04
DE2535192A1 (de) 1977-03-10

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