SE7607635L - PROCEDURE FOR TREATMENT OF PHOSPHATE SLAM - Google Patents

PROCEDURE FOR TREATMENT OF PHOSPHATE SLAM

Info

Publication number
SE7607635L
SE7607635L SE7607635A SE7607635A SE7607635L SE 7607635 L SE7607635 L SE 7607635L SE 7607635 A SE7607635 A SE 7607635A SE 7607635 A SE7607635 A SE 7607635A SE 7607635 L SE7607635 L SE 7607635L
Authority
SE
Sweden
Prior art keywords
slam
phosphate
procedure
treatment
phosphate slam
Prior art date
Application number
SE7607635A
Other languages
Swedish (sv)
Inventor
D Pearson
J C Wilson
Original Assignee
Metallgesellschaft 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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of SE7607635L publication Critical patent/SE7607635L/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/37—Phosphates of heavy metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/305—Preparation from phosphorus-containing compounds by alkaline treatment
    • C01B25/306—Preparation from phosphorus-containing compounds by alkaline treatment from phosphates
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • C23C22/12—Orthophosphates containing zinc cations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
SE7607635A 1975-07-05 1976-07-02 PROCEDURE FOR TREATMENT OF PHOSPHATE SLAM SE7607635L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28414/75A GB1545515A (en) 1975-07-05 1975-07-05 Treatment of phosphate sludges

Publications (1)

Publication Number Publication Date
SE7607635L true SE7607635L (en) 1977-01-06

Family

ID=10275251

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7607635A SE7607635L (en) 1975-07-05 1976-07-02 PROCEDURE FOR TREATMENT OF PHOSPHATE SLAM

Country Status (5)

Country Link
DE (1) DE2629776A1 (en)
FR (1) FR2317221A1 (en)
GB (1) GB1545515A (en)
IT (1) IT1062108B (en)
SE (1) SE7607635L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4032956A1 (en) * 1990-10-18 1992-04-23 Henkel Kgaa METHOD FOR RECYCLING PHOSPATIUM SLUDGE
DE4117716A1 (en) * 1991-05-30 1992-12-03 Metallgesellschaft Ag ZINC REMOVAL FROM PHOSPHATE SLUDGE
DE4316240C2 (en) * 1992-05-26 2001-05-17 Volkswagen Ag Process for non-ferrous metal recycling in phosphating baths
CA2114297A1 (en) * 1993-01-29 1994-07-30 Tadashi Nishino Method for dissolving sludge and recovering constituents therefrom
CN1309667C (en) * 2004-01-20 2007-04-11 郑恒昌 Waste mud recovering method for metal surface phosphorizing treating process
CN110498402A (en) * 2019-09-25 2019-11-26 龚典局 A kind of phosphorous spent acid method of comprehensive utilization
CN114014289B (en) * 2021-10-30 2023-05-02 南昌大学 Method for purifying iron phosphate waste

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018850B (en) * 1955-12-31 1957-11-07 Albert Ag Chem Werke Process for decalcifying phosphates containing lime, clay and iron
JPS5519316B2 (en) * 1974-02-27 1980-05-24

Also Published As

Publication number Publication date
FR2317221A1 (en) 1977-02-04
IT1062108B (en) 1983-06-25
FR2317221B1 (en) 1978-09-01
GB1545515A (en) 1979-05-10
DE2629776A1 (en) 1977-01-20

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