IT1061237B - Procedimento per la produzione di naftalina pura priva di zolfo e di tionaftene da catrame di carbon fossile - Google Patents

Procedimento per la produzione di naftalina pura priva di zolfo e di tionaftene da catrame di carbon fossile

Info

Publication number
IT1061237B
IT1061237B IT49315/76A IT4931576A IT1061237B IT 1061237 B IT1061237 B IT 1061237B IT 49315/76 A IT49315/76 A IT 49315/76A IT 4931576 A IT4931576 A IT 4931576A IT 1061237 B IT1061237 B IT 1061237B
Authority
IT
Italy
Prior art keywords
tionaftene
naphthaline
sulfur
pure
free
Prior art date
Application number
IT49315/76A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1061237B publication Critical patent/IT1061237B/it

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)
IT49315/76A 1975-08-07 1976-05-04 Procedimento per la produzione di naftalina pura priva di zolfo e di tionaftene da catrame di carbon fossile IT1061237B (it)

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
IT1061237B true IT1061237B (it) 1983-02-28

Family

ID=5953399

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49315/76A IT1061237B (it) 1975-08-07 1976-05-04 Procedimento per la produzione di naftalina pura priva di zolfo e di tionaftene da catrame di carbon fossile

Country Status (11)

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

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
EP2210907B1 (en) * 2007-11-16 2017-03-08 Mitsubishi Gas Chemical Company, Inc. Polyfunctional dimethylnaphthalene formaldehyde resin, and process for production thereof
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
GB1519913A (en) 1978-08-02
PL98953B1 (it) 1978-06-30
CS185595B2 (en) 1978-10-31
FR2320277B1 (it) 1980-12-19
IL49990A (en) 1978-12-17
BE844883A (fr) 1976-12-01
DE2535192A1 (de) 1977-03-10
DE2535192B2 (de) 1977-06-30
US4098838A (en) 1978-07-04
IL49990A0 (en) 1976-09-30
NL7606550A (nl) 1977-02-09
NL186509B (nl) 1990-07-16
ES447281A1 (es) 1977-07-01
SU619095A3 (ru) 1978-08-05
FR2320277A1 (fr) 1977-03-04

Similar Documents

Publication Publication Date Title
BE839924A (fr) Procede de production de microcapsules par reticulation interfaciale et microcapsules ainsi obtenues
JPS51122023A (en) Process for converting isocyanate group of purified organic isocyanate to carbodiimide group
BR7606378A (pt) Processo para producao de gas de sintese
IT1061265B (it) Procedimento per la produzione di caramelle con gas incorporato
SE7608261L (sv) Gasframstellning
IT1063011B (it) Procedimento per la produzione di idrogeno
IT1046388B (it) Procedimento per la produzione di idrogeno
IT1061277B (it) Procedimento ed impianto per la produzione di organosilossani
IT1061407B (it) Processo per la produzione di etanolo da metanolo monossido di carbonio ed idrogeno
IT1093270B (it) Impianto e processo di regolazione del preriscaldamento di carbone da cokefare
IT1061237B (it) Procedimento per la produzione di naftalina pura priva di zolfo e di tionaftene da catrame di carbon fossile
IT1069584B (it) Procedimento per la produzione di solfosuccinati alchilici
IT1041985B (it) Esteri pirimidiniltionofosfonici processo per la loro produzione e loro impiego come insetticidi acaricidi e nematocidi
IT1058516B (it) Procedimento per la produzione di aromatici ad elevatissima purezza
SE390547B (sv) Forfarande for framstellning av kolfibrer genom karbonisering av polybutadienfibrer
IT7948446A0 (it) 3-fluorobenzodiazepine e procedimento per la loro produzione
FR2297837A1 (fr) Procede de production de la benzylamine et de la dibenzylamine
BR7601921A (pt) Processo de producao de hidratos alcali-metalicos
IT1061299B (it) Procedimento per la produzione 2 5 diclorotoluolo
BR7501665A (pt) Processo aperfeicoado para produzir tetracloreto de carbono
IT1040698B (it) Procedimento per la produzione di coke pregiato coke aciculare
IT1041953B (it) Processo per la produzione di idrazine organiche
IT1121684B (it) Isossazoli e procedimento per la loro produzione
BR7505264A (pt) Processo para producao de gases contendo hidrogenio,monoxido de carbono e hidrocarbonetos leves
IT1062635B (it) Procedimento per la produzione di gas per riduzione