ZA764875B - Process for the manufacture of highly concentrated phosphoric acid containing calcium sulfate hemihydrate having good filterability - Google Patents
Process for the manufacture of highly concentrated phosphoric acid containing calcium sulfate hemihydrate having good filterabilityInfo
- Publication number
- ZA764875B ZA764875B ZA764875A ZA764875A ZA764875B ZA 764875 B ZA764875 B ZA 764875B ZA 764875 A ZA764875 A ZA 764875A ZA 764875 A ZA764875 A ZA 764875A ZA 764875 B ZA764875 B ZA 764875B
- Authority
- ZA
- South Africa
- Prior art keywords
- manufacture
- phosphoric acid
- calcium sulfate
- acid containing
- highly concentrated
- 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
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Silicon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50098305A JPS5851884B2 (ja) | 1975-08-13 | 1975-08-13 | 濾過性の良好な半水石膏を含有する高濃度燐酸の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA764875B true ZA764875B (en) | 1977-07-27 |
Family
ID=14216203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA764875A ZA764875B (en) | 1975-08-13 | 1976-08-13 | Process for the manufacture of highly concentrated phosphoric acid containing calcium sulfate hemihydrate having good filterability |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4101638A (it) |
| JP (1) | JPS5851884B2 (it) |
| AU (1) | AU503183B2 (it) |
| BE (1) | BE844897A (it) |
| BR (1) | BR7605283A (it) |
| CA (1) | CA1067675A (it) |
| DE (1) | DE2636140C2 (it) |
| ES (1) | ES450636A1 (it) |
| FR (1) | FR2320903A1 (it) |
| GB (1) | GB1560546A (it) |
| IN (1) | IN143813B (it) |
| IT (1) | IT1066381B (it) |
| MX (1) | MX3803E (it) |
| NL (1) | NL7609049A (it) |
| NZ (1) | NZ181752A (it) |
| SE (1) | SE423975B (it) |
| SU (1) | SU867292A3 (it) |
| TR (1) | TR20187A (it) |
| ZA (1) | ZA764875B (it) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4367197A (en) * | 1979-09-18 | 1983-01-04 | J. R. Simplot Company | Method for the control of excessive corrosion in phosphoric acid circuits |
| US4277454A (en) * | 1979-09-18 | 1981-07-07 | J. R. Simplot Company | Methods for the control of excessive corrosion in phosphoric acid circuits |
| DE3117813A1 (de) * | 1981-05-06 | 1982-11-25 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur herstellung von gipsformsteinen |
| LU84713A1 (fr) * | 1983-03-25 | 1984-11-14 | Prayon Soc | Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha |
| FR2598402B1 (fr) * | 1986-05-07 | 1990-06-01 | Rhone Poulenc Chimie | Procede de nettoyage de surfaces filtrantes |
| JPH0620201U (ja) * | 1992-05-13 | 1994-03-15 | 株式会社テイモー | 結束具 |
| US5590983A (en) * | 1995-09-05 | 1997-01-07 | Angell; Edwin C. | Method of improving soil irrigation with an improved solution grade calcium sulfate dihydrate |
| US7582308B2 (en) * | 2002-12-23 | 2009-09-01 | Kimberly-Clark Worldwide, Inc. | Odor control composition |
| US7754197B2 (en) | 2003-10-16 | 2010-07-13 | Kimberly-Clark Worldwide, Inc. | Method for reducing odor using coordinated polydentate compounds |
| US7794737B2 (en) | 2003-10-16 | 2010-09-14 | Kimberly-Clark Worldwide, Inc. | Odor absorbing extrudates |
| US7582485B2 (en) | 2003-10-16 | 2009-09-01 | Kimberly-Clark Worldride, Inc. | Method and device for detecting ammonia odors and helicobacter pylori urease infection |
| US7837663B2 (en) | 2003-10-16 | 2010-11-23 | Kimberly-Clark Worldwide, Inc. | Odor controlling article including a visual indicating device for monitoring odor absorption |
| US7413550B2 (en) | 2003-10-16 | 2008-08-19 | Kimberly-Clark Worldwide, Inc. | Visual indicating device for bad breath |
| US7141518B2 (en) | 2003-10-16 | 2006-11-28 | Kimberly-Clark Worldwide, Inc. | Durable charged particle coatings and materials |
| US7488520B2 (en) | 2003-10-16 | 2009-02-10 | Kimberly-Clark Worldwide, Inc. | High surface area material blends for odor reduction, articles utilizing such blends and methods of using same |
| US7438875B2 (en) * | 2003-10-16 | 2008-10-21 | Kimberly-Clark Worldwide, Inc. | Method for reducing odor using metal-modified silica particles |
| US7879350B2 (en) * | 2003-10-16 | 2011-02-01 | Kimberly-Clark Worldwide, Inc. | Method for reducing odor using colloidal nanoparticles |
| US7678367B2 (en) | 2003-10-16 | 2010-03-16 | Kimberly-Clark Worldwide, Inc. | Method for reducing odor using metal-modified particles |
| US20150175424A1 (en) * | 2013-12-23 | 2015-06-25 | Italo Innamorati | Process for the production of phosphoric acid |
| JP6701209B2 (ja) * | 2015-09-04 | 2020-05-27 | ライオン株式会社 | エトキシル化触媒及びその製造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1969449A (en) * | 1931-10-17 | 1934-08-07 | Rumford Chemical Works | Process of producing by-product calcium sulphate |
| BE621425A (it) * | 1962-06-23 | |||
| US3653826A (en) * | 1967-09-21 | 1972-04-04 | Nissan Chemical Ind Ltd | Process for the production of phosphoric acid at a high concentration and a gypsum by-product of improved quality |
| GB1248037A (en) * | 1968-01-13 | 1971-09-29 | Fisons Ltd | Calcium sulphate |
| GB1278247A (en) * | 1968-11-15 | 1972-06-21 | Fisons Ltd | Phosphoric acid |
-
1975
- 1975-08-13 JP JP50098305A patent/JPS5851884B2/ja not_active Expired
-
1976
- 1976-06-13 TR TR20187A patent/TR20187A/xx unknown
- 1976-08-02 US US05/710,741 patent/US4101638A/en not_active Expired - Lifetime
- 1976-08-03 GB GB32255/76A patent/GB1560546A/en not_active Expired
- 1976-08-05 BE BE169567A patent/BE844897A/xx not_active IP Right Cessation
- 1976-08-07 IN IN1427/CAL/76A patent/IN143813B/en unknown
- 1976-08-10 IT IT50826/76A patent/IT1066381B/it active
- 1976-08-10 AU AU16724/76A patent/AU503183B2/en not_active Expired
- 1976-08-11 DE DE2636140A patent/DE2636140C2/de not_active Expired
- 1976-08-12 NZ NZ181752A patent/NZ181752A/xx unknown
- 1976-08-12 CA CA258,967A patent/CA1067675A/en not_active Expired
- 1976-08-12 MX MX76100501U patent/MX3803E/es unknown
- 1976-08-12 ES ES450636A patent/ES450636A1/es not_active Expired
- 1976-08-12 SU SU762388516A patent/SU867292A3/ru active
- 1976-08-12 SE SE7609051A patent/SE423975B/xx not_active IP Right Cessation
- 1976-08-12 BR BR7605283A patent/BR7605283A/pt unknown
- 1976-08-13 ZA ZA764875A patent/ZA764875B/xx unknown
- 1976-08-13 NL NL7609049A patent/NL7609049A/xx not_active Application Discontinuation
- 1976-08-13 FR FR7624718A patent/FR2320903A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| TR20187A (tr) | 1980-11-01 |
| GB1560546A (en) | 1980-02-06 |
| BR7605283A (pt) | 1977-08-09 |
| FR2320903B1 (it) | 1981-05-22 |
| ES450636A1 (es) | 1977-12-16 |
| SE423975B (sv) | 1982-06-21 |
| JPS5851884B2 (ja) | 1983-11-18 |
| FR2320903A1 (fr) | 1977-03-11 |
| AU503183B2 (en) | 1979-08-23 |
| MX3803E (es) | 1981-07-22 |
| BE844897A (fr) | 1976-12-01 |
| CA1067675A (en) | 1979-12-11 |
| AU1672476A (en) | 1978-02-16 |
| SU867292A3 (ru) | 1981-09-23 |
| DE2636140A1 (de) | 1977-02-24 |
| US4101638A (en) | 1978-07-18 |
| JPS5221296A (en) | 1977-02-17 |
| IT1066381B (it) | 1985-03-04 |
| SE7609051L (sv) | 1977-02-14 |
| DE2636140C2 (de) | 1987-04-09 |
| IN143813B (it) | 1978-02-04 |
| NL7609049A (nl) | 1977-02-15 |
| NZ181752A (en) | 1978-06-02 |
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