BR7801403A - Processo para a preparacao de tanino de cromo e sal de glauber - Google Patents

Processo para a preparacao de tanino de cromo e sal de glauber

Info

Publication number
BR7801403A
BR7801403A BR7801403A BR7801403A BR7801403A BR 7801403 A BR7801403 A BR 7801403A BR 7801403 A BR7801403 A BR 7801403A BR 7801403 A BR7801403 A BR 7801403A BR 7801403 A BR7801403 A BR 7801403A
Authority
BR
Brazil
Prior art keywords
tanine
chrome
preparation
glauber salt
glauber
Prior art date
Application number
BR7801403A
Other languages
English (en)
Inventor
H Niederprum
G Uecker
W Bockelmann
Original Assignee
Bayer 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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BR7801403A publication Critical patent/BR7801403A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/04—Mineral tanning
    • C14C3/06—Mineral tanning using chromium compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)
BR7801403A 1977-03-09 1978-03-08 Processo para a preparacao de tanino de cromo e sal de glauber BR7801403A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2710175A DE2710175C2 (de) 1977-03-09 1977-03-09 Verfahren zur Herstellung von Chromgerbstoff und Glaubersalz

Publications (1)

Publication Number Publication Date
BR7801403A true BR7801403A (pt) 1979-01-02

Family

ID=6003133

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7801403A BR7801403A (pt) 1977-03-09 1978-03-08 Processo para a preparacao de tanino de cromo e sal de glauber

Country Status (8)

Country Link
US (1) US4168240A (pt)
JP (1) JPS53113001A (pt)
BR (1) BR7801403A (pt)
DE (1) DE2710175C2 (pt)
ES (1) ES467659A1 (pt)
GB (1) GB1602043A (pt)
IT (1) IT1101838B (pt)
ZA (1) ZA781396B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI61855C (fi) * 1980-08-05 1982-10-11 Outokumpu Oy Foerfarande foer framstaellning av en jaernfri krom(iii)foerening
IT1156297B (it) * 1982-12-30 1987-01-28 Giovanni Tibaldi Metodo ed impianto automatico continuo per il recupero del cromo dalle acque reflue di conceria
US5250274A (en) * 1990-04-26 1993-10-05 Bayer Aktiengesellschaft Process for the production of sodium dichromate
US5520902A (en) * 1994-11-25 1996-05-28 Occidental Chemical Corporation Process for making chromium-free orthorhombic sodium sulfate
EP2322480A4 (en) * 2008-09-05 2012-01-18 Nippon Chemical Ind PROCESS FOR PRODUCING CHROMIUM HYDROXIDE

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US409336A (en) * 1889-08-20 Chrome-tanned leather and process of preparing the same
US1983733A (en) * 1932-11-14 1934-12-11 Virginia Smelting Company Method of making chromic salt solutions
US2110187A (en) * 1933-08-23 1938-03-08 Dudley A Willams Method of treating chrome liquors
US2766098A (en) * 1952-11-19 1956-10-09 Diamond Alkali Co Method of obtaining a chromiumcontaining tanning substance
US3097064A (en) * 1961-03-13 1963-07-09 Lloyd Donald W Recovery of values from pickling liquor
US3822993A (en) * 1972-04-07 1974-07-09 Revere Copper & Brass Inc Production of chrome tanning composition from waste chromium-copper pickling liquor
US3950131A (en) * 1973-06-20 1976-04-13 Hoffmann-Stafford Tanning Co. Continuous method for reclaiming chromium hydroxide from spent chrome tanning liquors and re-use thereof in subsequent tanning

Also Published As

Publication number Publication date
IT1101838B (it) 1985-10-07
ZA781396B (en) 1979-03-28
ES467659A1 (es) 1978-10-16
JPS53113001A (en) 1978-10-03
GB1602043A (en) 1981-11-04
DE2710175A1 (de) 1978-09-14
DE2710175C2 (de) 1986-08-28
IT7848314A0 (it) 1978-03-07
JPS6152083B2 (pt) 1986-11-12
US4168240A (en) 1979-09-18

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