JPS50142496A - - Google Patents
Info
- Publication number
- JPS50142496A JPS50142496A JP50039698A JP3969875A JPS50142496A JP S50142496 A JPS50142496 A JP S50142496A JP 50039698 A JP50039698 A JP 50039698A JP 3969875 A JP3969875 A JP 3969875A JP S50142496 A JPS50142496 A JP S50142496A
- Authority
- JP
- Japan
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
-
- 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
-
- 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
- C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
- C01B25/328—Defluorination during or after the preparation
-
- 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
- C01F11/20—Halides
- C01F11/22—Fluorides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/583—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing fluoride or fluorine compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Polymers & Plastics (AREA)
- Geology (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Removal Of Specific Substances (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45756574A | 1974-04-03 | 1974-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50142496A true JPS50142496A (enExample) | 1975-11-17 |
Family
ID=23817225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50039698A Pending JPS50142496A (enExample) | 1974-04-03 | 1975-04-01 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS50142496A (enExample) |
| BE (1) | BE827305A (enExample) |
| CA (1) | CA1045258A (enExample) |
| FR (1) | FR2266662B1 (enExample) |
| GB (1) | GB1505146A (enExample) |
| NL (1) | NL7503991A (enExample) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5346496A (en) * | 1976-10-12 | 1978-04-26 | Toyo Soda Mfg Co Ltd | Treating method for waste liquor discharged from wet process purification of phosphoric acid |
| JPS5421990A (en) * | 1977-07-21 | 1979-02-19 | Central Glass Co Ltd | Process for removing phosphorus compnent in fluorite |
| JPS5645826A (en) * | 1979-09-20 | 1981-04-25 | Mitsui Toatsu Chem Inc | Recovering and treating method for water-containing cake in wet process phosphoric acid manufacturing plant |
| JP2003080270A (ja) * | 2001-09-12 | 2003-03-18 | Okutama Kogyo Co Ltd | フッ素含有排水の処理方法 |
| CN102328984A (zh) * | 2011-08-11 | 2012-01-25 | 四川龙蟒钛业股份有限公司 | 磷化工废水的处理方法 |
| WO2013054875A1 (ja) * | 2011-10-13 | 2013-04-18 | セントラル硝子株式会社 | フルオロリン酸化合物を含む廃水の処理方法 |
| JP2014171967A (ja) * | 2013-03-08 | 2014-09-22 | Mitsubishi Materials Corp | フッ化カルシウムの回収方法とその回収設備 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2533128A1 (de) * | 1975-07-24 | 1977-02-10 | Bayer Ag | Verfahren zur herstellung von synthetischem flusspat |
| US4374810A (en) * | 1978-06-01 | 1983-02-22 | Agrico Chemical Company | Recovery of fluorine from pond water of wet process phosphoric acid plants and recycling of defluorinated water |
| US4233281A (en) * | 1978-06-09 | 1980-11-11 | Occidental Chemical Company | Recovery of hydrogen fluoride from metallic fluoride salts |
| CA2463361A1 (en) * | 2001-10-25 | 2003-05-01 | Imc Global Operations, Inc. | Purification of phosphoric acid plant pond water |
| US6758976B2 (en) | 2001-10-25 | 2004-07-06 | Imc Global Operations Inc. | Simplified purification of phosphoric acid plant pond water |
| CN102947229A (zh) * | 2010-05-18 | 2013-02-27 | 奥斯特拉营养康复技术有限公司 | 含磷酸盐的废水的处理 |
-
1975
- 1975-03-05 CA CA221,300A patent/CA1045258A/en not_active Expired
- 1975-03-07 GB GB9696/75A patent/GB1505146A/en not_active Expired
- 1975-03-28 BE BE154871A patent/BE827305A/xx unknown
- 1975-04-01 FR FR7510118A patent/FR2266662B1/fr not_active Expired
- 1975-04-01 JP JP50039698A patent/JPS50142496A/ja active Pending
- 1975-04-03 NL NL7503991A patent/NL7503991A/xx not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5346496A (en) * | 1976-10-12 | 1978-04-26 | Toyo Soda Mfg Co Ltd | Treating method for waste liquor discharged from wet process purification of phosphoric acid |
| JPS5421990A (en) * | 1977-07-21 | 1979-02-19 | Central Glass Co Ltd | Process for removing phosphorus compnent in fluorite |
| JPS5645826A (en) * | 1979-09-20 | 1981-04-25 | Mitsui Toatsu Chem Inc | Recovering and treating method for water-containing cake in wet process phosphoric acid manufacturing plant |
| JP2003080270A (ja) * | 2001-09-12 | 2003-03-18 | Okutama Kogyo Co Ltd | フッ素含有排水の処理方法 |
| CN102328984A (zh) * | 2011-08-11 | 2012-01-25 | 四川龙蟒钛业股份有限公司 | 磷化工废水的处理方法 |
| WO2013054875A1 (ja) * | 2011-10-13 | 2013-04-18 | セントラル硝子株式会社 | フルオロリン酸化合物を含む廃水の処理方法 |
| JP2014171967A (ja) * | 2013-03-08 | 2014-09-22 | Mitsubishi Materials Corp | フッ化カルシウムの回収方法とその回収設備 |
Also Published As
| Publication number | Publication date |
|---|---|
| BE827305A (fr) | 1975-07-16 |
| FR2266662A1 (enExample) | 1975-10-31 |
| FR2266662B1 (enExample) | 1981-02-27 |
| CA1045258A (en) | 1978-12-26 |
| NL7503991A (nl) | 1975-10-07 |
| GB1505146A (en) | 1978-03-30 |