FR2449063A1 - Procede de purification du trioxyde de chrome brut et produit obtenu par ce procede - Google Patents

Procede de purification du trioxyde de chrome brut et produit obtenu par ce procede

Info

Publication number
FR2449063A1
FR2449063A1 FR8003186A FR8003186A FR2449063A1 FR 2449063 A1 FR2449063 A1 FR 2449063A1 FR 8003186 A FR8003186 A FR 8003186A FR 8003186 A FR8003186 A FR 8003186A FR 2449063 A1 FR2449063 A1 FR 2449063A1
Authority
FR
France
Prior art keywords
bisulphate
crude
purification
product obtained
chrome trioxide
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.)
Granted
Application number
FR8003186A
Other languages
English (en)
French (fr)
Other versions
FR2449063B1 (US06272168-20010807-M00014.png
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.)
BRITISH CHROME CHEMICALS Ltd
Original Assignee
BRITISH CHROME CHEMICALS Ltd
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 BRITISH CHROME CHEMICALS Ltd filed Critical BRITISH CHROME CHEMICALS Ltd
Publication of FR2449063A1 publication Critical patent/FR2449063A1/fr
Application granted granted Critical
Publication of FR2449063B1 publication Critical patent/FR2449063B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00Compounds of chromium
    • C01G37/02Oxides or hydrates thereof
    • C01G37/033Chromium trioxide; Chromic acid
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
FR8003186A 1979-02-17 1980-02-13 Procede de purification du trioxyde de chrome brut et produit obtenu par ce procede Granted FR2449063A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7905656 1979-02-17

Publications (2)

Publication Number Publication Date
FR2449063A1 true FR2449063A1 (fr) 1980-09-12
FR2449063B1 FR2449063B1 (US06272168-20010807-M00014.png) 1985-03-08

Family

ID=10503259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8003186A Granted FR2449063A1 (fr) 1979-02-17 1980-02-13 Procede de purification du trioxyde de chrome brut et produit obtenu par ce procede

Country Status (9)

Country Link
US (1) US4291000A (US06272168-20010807-M00014.png)
JP (1) JPS55113626A (US06272168-20010807-M00014.png)
BE (1) BE881716A (US06272168-20010807-M00014.png)
DE (1) DE3005361A1 (US06272168-20010807-M00014.png)
FR (1) FR2449063A1 (US06272168-20010807-M00014.png)
GB (1) GB2041347B (US06272168-20010807-M00014.png)
IT (1) IT1128363B (US06272168-20010807-M00014.png)
NL (1) NL8000872A (US06272168-20010807-M00014.png)
ZA (1) ZA80691B (US06272168-20010807-M00014.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA814951B (en) * 1980-08-02 1982-08-25 British Chrome Chemicals Ltd Productions of chromium trioxide
US8336277B1 (en) 2011-07-07 2012-12-25 Solon Corporation Integrated photovoltaic rooftop modules
US9263985B2 (en) 2012-11-13 2016-02-16 Pi Solar Technology Gmbh Rooftop photovoltaic modules

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2034256A (en) * 1930-05-27 1936-03-17 Natural Products Refining Co Process for producing chromic acid
GB724246A (en) * 1952-02-15 1955-02-16 Diamond Alkali Co Improvements in or relating to the manufacture of solid chromic anhydride
CH316730A (fr) * 1952-11-01 1956-10-31 Diamond Alkali Co Procédé de préparation d'une composition contenant du chrome
SU385924A1 (ru) * 1969-01-28 1973-06-14 Способ получения окиси хрома

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US322011A (en) * 1885-07-14 Depabtment of the interior
US1429912A (en) * 1921-11-05 1922-09-19 D Adrian Alexander L Duval Process of making green chrome oxide
GB338938A (en) * 1929-07-30 1930-12-01 Harshaw Chem Corp An improved process and apparatus for the manufacture of chromium trioxide
DE742797C (de) * 1938-02-20 1943-12-11 Ig Farbenindustrie Ag Vorrichtung zur kontinuierlichen Durchfuehrung der bei der Darstellung von Chromsaeure aus Alkalichromaten bzw. -bichromaten und Schwefelsaeure sowie der zur Durchfuehrung aehnlich verlaufender Umsetzungen erforderlichen Reaktions- und Trennvorgaenge
DE1000016B (de) * 1952-02-15 1957-01-03 Diamond Alkali Co Verfahren zur Herstellung von Chromsaeureanhydrid
US2632688A (en) * 1952-02-15 1953-03-24 Diamond Alkali Co Production of chromium trioxide
DE1026290B (de) * 1953-03-20 1958-03-20 Diamond Alkali Co Verfahren zur Herstellung von Chromsaeureanhydrid
GB793973A (en) * 1954-10-12 1958-04-23 Diamond Alkali Co Improvements in or relating to chromium-containing compositions of matter
GB875111A (en) * 1958-07-17 1961-08-16 Bayer Ag A process for the production of chromium trioxide
US3002815A (en) * 1958-07-17 1961-10-03 Bayer Ag Process for the production of chromium trioxide
JPS5021992B1 (US06272168-20010807-M00014.png) * 1968-02-17 1975-07-26
US3607026A (en) * 1969-04-18 1971-09-21 Diamond Shamrock Corp Continuous chromic acid process and apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2034256A (en) * 1930-05-27 1936-03-17 Natural Products Refining Co Process for producing chromic acid
GB724246A (en) * 1952-02-15 1955-02-16 Diamond Alkali Co Improvements in or relating to the manufacture of solid chromic anhydride
CH316730A (fr) * 1952-11-01 1956-10-31 Diamond Alkali Co Procédé de préparation d'une composition contenant du chrome
SU385924A1 (ru) * 1969-01-28 1973-06-14 Способ получения окиси хрома

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CA1974 *

Also Published As

Publication number Publication date
DE3005361A1 (de) 1980-09-04
JPS55113626A (en) 1980-09-02
BE881716A (nl) 1980-08-14
GB2041347B (en) 1983-01-06
US4291000A (en) 1981-09-22
GB2041347A (en) 1980-09-10
NL8000872A (nl) 1980-08-19
DE3005361C2 (US06272168-20010807-M00014.png) 1990-11-29
FR2449063B1 (US06272168-20010807-M00014.png) 1985-03-08
JPH0142893B2 (US06272168-20010807-M00014.png) 1989-09-18
IT1128363B (it) 1986-05-28
IT8067233A0 (it) 1980-02-15
ZA80691B (en) 1981-02-25

Similar Documents

Publication Publication Date Title
FR2409962A1 (fr) Procede pour separer des composes chimiques d'une eau salee
FR2348155A1 (fr) Procede de recuperation d'acide chromique reutilisable a partir de solutions residuaires d'acide chromique contenant des impuretes et nouveaux produits ainsi obtenus
SE8701269L (sv) Framstellning av natriumklorat
FR2449063A1 (fr) Procede de purification du trioxyde de chrome brut et produit obtenu par ce procede
ATE76040T1 (de) Verfahren zur herstellung von siliziumtetrafluorid.
GB1514660A (en) Purification of propionic acid
BE815167A (fr) Procede de purification d'acide sulfurique contenant du mercure
BE821286A (fr) Procede de concentration d'acide sulfurique dilue contenant des sels
BE853975A (fr) Procede de traitement de solutions diluees d'acide sulfurique contenant du sulfate de fer (ii)
PL127258B2 (en) Method of obtaining diacetoketoglutenic acid
US3706531A (en) Process for the manufacture of sodium sulphate
FR2424878A1 (fr) Procede de lavage du phosphogypse residuaire obtenu lors de la decomposition, par l'acide sulfurique, de minerai phosphorique
FR2314140A1 (fr) Procede de purification d'acide sulfurique contenant de l'acide acetique
BE780103A (fr) Procede de purification de l'acide sulfurique pour la synthese catalytique du sulfate d'hydroxyl-ammonium
FR2361332A1 (fr) Procede de purification de l'acide terephtalique par cristallisation
BE851750A (fr) Procede pour la purification des eaux residuaires contenant des composes organiques de caractere anionique
JPS6172742A (ja) ベンズアルデヒド―2,4―ジスルホン酸のアルカリ金属塩およびアルカリ土類金属塩の製造方法
KR890000394A (ko) 하이드록시 안식향산의 제조방법
FR2299273A1 (fr) Procede de purification d'eaux residuaires contenant des composes organiques du type anionique
FR2392930A1 (fr) Purification du chlore par formation de cristaux d'hydrate de chlore
SU566765A1 (ru) Способ выделени сульфата натри из содовосульфатхлоридных растворов и сточных вод
SU1271829A1 (ru) Способ осветлени растворов плавиковошпатового производства
SU1495297A1 (ru) Способ выделени сульфата натри
GB1438635A (en) Production of anhydrous sodium sulphate
SU373258A1 (ru) Способ

Legal Events

Date Code Title Description
ST Notification of lapse