MY6600066A - A process for the production of phosporic acid and gypsum - Google Patents
A process for the production of phosporic acid and gypsumInfo
- Publication number
- MY6600066A MY6600066A MY6600066A MY6600066A MY6600066A MY 6600066 A MY6600066 A MY 6600066A MY 6600066 A MY6600066 A MY 6600066A MY 6600066 A MY6600066 A MY 6600066A MY 6600066 A MY6600066 A MY 6600066A
- Authority
- MY
- Malaysia
- Prior art keywords
- gypsum
- production
- phosporic acid
- phosporic
- acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
-
- 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
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
-
- 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
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/228—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen one form of calcium sulfate being formed and then converted to another form
- C01B25/229—Hemihydrate-dihydrate process
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4257960 | 1960-10-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
MY6600066A true MY6600066A (en) | 1966-12-31 |
Family
ID=12639963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MY6600066A MY6600066A (en) | 1960-10-26 | 1966-12-31 | A process for the production of phosporic acid and gypsum |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE609371A (en) |
DE (1) | DE1293136B (en) |
GB (1) | GB1007898A (en) |
MY (1) | MY6600066A (en) |
NL (2) | NL137436C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1557663A (en) * | 1975-08-01 | 1979-12-12 | Albright & Wilson | Process for preparing phosphore acid |
BE1016065A3 (en) * | 2004-06-01 | 2006-02-07 | Prayon Technologies | Process phosphoric acid production. |
DE102020100241A1 (en) | 2020-01-08 | 2021-07-08 | Thyssenkrupp Ag | Process for the production of phosphoric acid and calcium sulphate quality suitable for clinker process for the commercial and industrial utilization of calcium sulphate |
CN111451004B (en) * | 2020-04-20 | 2022-03-15 | 武汉工程大学 | Method for producing phosphate concentrate and by-producing alpha-semi-hydrated gypsum and magnesium carbonate from calcium collophanite |
CN112624175A (en) * | 2021-01-11 | 2021-04-09 | 宜都兴发化工有限公司 | Method for improving crystal form of phosphogypsum in wet-process phosphoric acid |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH141866A (en) * | 1928-06-05 | 1930-08-31 | Kunstduenger Patent Verwertung | Process for the preparation of a phosphoric acid solution. |
DE660561C (en) * | 1930-02-13 | 1938-05-28 | Dorr Ges M B H | Process for the digestion of rock phosphates |
US2049032A (en) * | 1932-07-02 | 1936-07-28 | Dorr Co Inc | Preparation of phosphoric acid |
NL74099C (en) * | 1950-03-03 |
-
0
- NL NL270658D patent/NL270658A/xx unknown
- NL NL137436D patent/NL137436C/xx active
-
1961
- 1961-10-19 BE BE609371A patent/BE609371A/en unknown
- 1961-10-24 DE DE1961N0020715 patent/DE1293136B/en not_active Withdrawn
- 1961-10-26 GB GB3843561A patent/GB1007898A/en not_active Expired
-
1966
- 1966-12-31 MY MY6600066A patent/MY6600066A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE609371A (en) | 1962-02-15 |
NL270658A (en) | |
GB1007898A (en) | 1965-10-22 |
NL137436C (en) | |
DE1293136B (en) | 1969-04-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MY6500111A (en) | Process for producing l-glutamic acid | |
MY6600066A (en) | A process for the production of phosporic acid and gypsum | |
CY387A (en) | Process for the production of xanthocilline | |
CA602092A (en) | Sulphonyl-ureas and a process for their manufacture | |
CA601648A (en) | Sulphonyl-ureas and a process for their manufacture | |
CA606806A (en) | Process for the production of thio-orotic acid | |
AU253501B2 (en) | Process forthe production of itaconic acid | |
CA590868A (en) | Process for the manufacture of 2-methyl-4-chlorophenoxy-acetic acid | |
CA595112A (en) | Process for the manufacture of 2-methyl-4-chloro-phenoxyacetic acid | |
AU255176B2 (en) | Dethorotetrahydrothiophene-2:5-dicarboxylic acid dichlondes and process for their manufacture | |
AU243400B2 (en) | Dithiophosphonic acid esters and process for their production | |
AU245342B2 (en) | Process for the production of b-4-methoxybenzoyl-b-haloacrylic acids | |
CA595670A (en) | Process for the production of epsilon-halocaproic acids | |
CA594144A (en) | Process for the production of oxopyrazolidines | |
AU246435B2 (en) | Process for the production of hexaethylbenzne | |
AU246541B2 (en) | Process for the production of griseoffulvin | |
AU256581B2 (en) | Process for the production of 2 -b- methoxy- ethylpyridine | |
AU249987B2 (en) | Phosphorus compounds and process for their production | |
CA600958A (en) | Process for the production of uranium | |
CA597524A (en) | Process for the production of hydroxylamine sulphate solutions | |
CA599573A (en) | Process for the production of derivatives of hyposulphurous acid | |
AU244248B2 (en) | Phosphonic acid esters and process for their production | |
AU242556B2 (en) | Phosphonic and phosphonic acid esters and process for their production | |
CA600685A (en) | Process for the production of alkali and alkaline-earth-metal salts of cyanodithioimidocarbonic acid | |
CA603174A (en) | Cyanoalkylsilanes and process for their production |