BE843494A - Procede de preparation ou de solutions de phosphates alcalins pauvres en vanadium - Google Patents
Procede de preparation ou de solutions de phosphates alcalins pauvres en vanadiumInfo
- Publication number
- BE843494A BE843494A BE168379A BE168379A BE843494A BE 843494 A BE843494 A BE 843494A BE 168379 A BE168379 A BE 168379A BE 168379 A BE168379 A BE 168379A BE 843494 A BE843494 A BE 843494A
- Authority
- BE
- Belgium
- Prior art keywords
- vanadium
- solutions
- preparation
- low
- alkaline phosphates
- Prior art date
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
- C01B25/30—Alkali metal phosphates
- C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
- C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2528895A DE2528895B2 (de) | 1975-06-28 | 1975-06-28 | Verfahren zur Herstellung vanadiumarmer Alkaliphosphatlösungen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE843494A true BE843494A (fr) | 1976-12-28 |
Family
ID=5950155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE168379A BE843494A (fr) | 1975-06-28 | 1976-06-28 | Procede de preparation ou de solutions de phosphates alcalins pauvres en vanadium |
Country Status (15)
Country | Link |
---|---|
US (1) | US4053562A (fr) |
JP (1) | JPS525699A (fr) |
AT (1) | AT352079B (fr) |
BE (1) | BE843494A (fr) |
CA (1) | CA1061081A (fr) |
CH (1) | CH599901A5 (fr) |
DE (1) | DE2528895B2 (fr) |
ES (1) | ES449103A1 (fr) |
FR (1) | FR2317222A1 (fr) |
GB (1) | GB1485608A (fr) |
IL (1) | IL49915A (fr) |
IT (1) | IT1062777B (fr) |
NL (1) | NL162613C (fr) |
NO (1) | NO141887C (fr) |
ZA (1) | ZA763808B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3045645A1 (de) * | 1980-12-04 | 1982-07-22 | Hoechst Ag, 6000 Frankfurt | Verfahren zur reduktion von eisen in phospharsaurer loesung |
JPS57162237A (en) * | 1981-03-27 | 1982-10-06 | Takamatsu Electric Works Ltd | Current limiting fuse |
US4511541A (en) * | 1982-12-02 | 1985-04-16 | J. R. Simplot Company | Process for the recovery of cadmium and other metals from solution |
DE3437686C2 (de) * | 1984-10-15 | 1986-10-02 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Reduktion von Metallionen in wäßrigen Lösungen |
DE3437684C1 (de) * | 1984-10-15 | 1986-06-05 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Reduktion von Eisen und Vanadium in phosphorsaurer Lösung |
DE3437685C2 (de) * | 1984-10-15 | 1987-03-12 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Herstellung einer vanadiumarmen Alkaliphosphatlösung |
CH669257A5 (de) * | 1986-02-28 | 1989-02-28 | Mettler Instrumente Ag | Praezisionswaage. |
US5171548A (en) * | 1990-06-06 | 1992-12-15 | Advanced Separation Technologies Incorporated | Process for the removal of vanadium from wet process phosphoric acid |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2150921A (en) * | 1937-11-10 | 1939-03-21 | Du Pont | Manufacture of imino-amino-methane-sulphinic acid |
US2977191A (en) * | 1957-03-19 | 1961-03-28 | Union Chimique Belge Sa | Anhydrous colorless phosphates |
FR1191558A (fr) * | 1957-03-19 | 1959-10-20 | Saint Gobain | Préparation de phosphates alcalins incolores |
FR1200419A (fr) * | 1958-06-13 | 1959-12-21 | Applic Des Minerais De Thies S | Purification des phosphates |
DE1143496B (de) * | 1958-06-13 | 1963-02-14 | Applic Des Minerals De Thies S | Verfahren zur Reinigung von Alkaliphosphaten |
US3042609A (en) * | 1959-10-09 | 1962-07-03 | Petrolite Corp | Prevention of corrosion in systems containing a corrosive aqueous medium |
US3305305A (en) * | 1962-12-26 | 1967-02-21 | Hooker Chemical Corp | Purification of phosphate solutions |
US3493336A (en) * | 1964-06-18 | 1970-02-03 | Electric Reduction Co | Manufacture of alkali metal phosphates |
US3421846A (en) * | 1965-06-07 | 1969-01-14 | Hooker Chemical Corp | Production of sodium phosphates |
-
1975
- 1975-06-28 DE DE2528895A patent/DE2528895B2/de active Granted
-
1976
- 1976-06-01 GB GB22595/76A patent/GB1485608A/en not_active Expired
- 1976-06-15 CA CA254,851A patent/CA1061081A/fr not_active Expired
- 1976-06-21 IT IT00031/76A patent/IT1062777B/it active
- 1976-06-21 CH CH790276A patent/CH599901A5/xx not_active IP Right Cessation
- 1976-06-22 ES ES449103A patent/ES449103A1/es not_active Expired
- 1976-06-22 US US05/698,332 patent/US4053562A/en not_active Expired - Lifetime
- 1976-06-25 NO NO762208A patent/NO141887C/no unknown
- 1976-06-25 IL IL49915A patent/IL49915A/xx unknown
- 1976-06-25 ZA ZA763808A patent/ZA763808B/xx unknown
- 1976-06-25 NL NL7606985.A patent/NL162613C/xx not_active IP Right Cessation
- 1976-06-25 AT AT465776A patent/AT352079B/de active
- 1976-06-25 JP JP51075391A patent/JPS525699A/ja active Granted
- 1976-06-28 FR FR7619621A patent/FR2317222A1/fr active Granted
- 1976-06-28 BE BE168379A patent/BE843494A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1485608A (en) | 1977-09-14 |
DE2528895C3 (fr) | 1979-02-01 |
JPS5423914B2 (fr) | 1979-08-17 |
JPS525699A (en) | 1977-01-17 |
FR2317222A1 (fr) | 1977-02-04 |
IL49915A0 (en) | 1977-03-31 |
NO762208L (fr) | 1976-12-29 |
NO141887B (no) | 1980-02-18 |
AT352079B (de) | 1979-08-27 |
NL7606985A (nl) | 1976-12-30 |
US4053562A (en) | 1977-10-11 |
ES449103A1 (es) | 1977-07-01 |
CH599901A5 (fr) | 1978-06-15 |
IL49915A (en) | 1978-12-17 |
DE2528895A1 (de) | 1977-01-13 |
IT1062777B (it) | 1985-01-14 |
NL162613C (nl) | 1980-06-16 |
ATA465776A (de) | 1979-02-15 |
CA1061081A (fr) | 1979-08-28 |
DE2528895B2 (de) | 1978-04-13 |
NO141887C (no) | 1980-05-28 |
NL162613B (nl) | 1980-01-15 |
FR2317222B1 (fr) | 1980-11-07 |
ZA763808B (en) | 1977-06-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RO70525A (fr) | Procede de preparation des biphenyloxy-derives | |
FR2319609A1 (fr) | Procede de preparation de resorcines | |
BE857244A (fr) | Procede de preparation de 3-chlorocephalosporines | |
BE802541A (fr) | Procede de preparation de l'acide phosphorique | |
BE843494A (fr) | Procede de preparation ou de solutions de phosphates alcalins pauvres en vanadium | |
FR2302344A1 (fr) | Procede po | |
FR2298568A1 (fr) | Procede po | |
BE852668A (fr) | Procede de preparation de 3-halomethylcephemes | |
BE860267R (fr) | Procede de preparation de para-alkylphenols | |
BE842735A (fr) | Procede de preparation de para-alkylphenols | |
FR2300135A1 (fr) | Procede po | |
BE841768A (fr) | Procede de preparation de 2-aryl-2h-benzotriazoles | |
BE847331A (fr) | Procede de preparation de 4-alkyl-thiosemi-carbazides, | |
FR2342968A1 (fr) | Procede de preparation de 3-desoxyanthocyanidines | |
BE826343A (fr) | Procede de preparation de s-triazolo(3,4- bbenzothiazoles | |
RO70958A (fr) | Procede de preparation des esters de l'acide o-ethyle-s-n-propyle-o-2,2,2-trihaloethyle-thionothiol)phosphorique | |
BE753705A (fr) | Procede de preparation d'oxytrichlorure de vanadium | |
FR2319615A1 (fr) | Procede de preparation de cyclohexane-diones-1,3 | |
BE841229A (fr) | Procede de preparation d'esters alkylcarbamiques ou alcenylcarbamiques | |
RO72510A (fr) | Procede de preparation des phenylpyrazines | |
FR2317223A1 (fr) | Nouveau procede de preparation de solutions de phosphates alcalins pauvres en vanadium | |
BE850632R (fr) | Procede de preparation de para-alkylphenols | |
RO74444A (fr) | Procede de preparation de l-asphargil-o-sulphato-l-tyrozyle-l-methionyleglicyle 1- triptofyle-l-methionyle-l-asparagyle-l-fenylamides | |
BE848376A (fr) | Procede de preparation d'acide tetrafluoroborique concentre, | |
FR2350322A1 (fr) | Procede de preparation de b-halogene-acetals ou de b-halogene-cetals |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: HOECHST A.G. Effective date: 19870630 |