JO3135B1 - Hydrochloric Acid Process for Production of Food-Grade Phosphorous Acid - Google Patents
Hydrochloric Acid Process for Production of Food-Grade Phosphorous AcidInfo
- Publication number
- JO3135B1 JO3135B1 JOP/2012/0393A JOP20120393A JO3135B1 JO 3135 B1 JO3135 B1 JO 3135B1 JO P20120393 A JOP20120393 A JO P20120393A JO 3135 B1 JO3135 B1 JO 3135B1
- Authority
- JO
- Jordan
- Prior art keywords
- extraction
- hydrochloric acid
- food
- phosphoric acid
- production
- Prior art date
Links
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title abstract 9
- 238000000034 method Methods 0.000 title abstract 8
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 title 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 9
- 238000000605 extraction Methods 0.000 abstract 6
- 235000011007 phosphoric acid Nutrition 0.000 abstract 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 4
- 239000012535 impurity Substances 0.000 abstract 3
- 229910019142 PO4 Inorganic materials 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 2
- 239000010452 phosphate Substances 0.000 abstract 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000000622 liquid--liquid extraction Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000000638 solvent extraction Methods 0.000 abstract 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 abstract 1
- 229940093635 tributyl phosphate Drugs 0.000 abstract 1
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
- C01B25/2208—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid
- C01B25/2212—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid with hydrochloric acid or hydrogen chloride in aqueous medium
-
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention discloses a hydrochloric acid process for production of food-grade phosphoric acid, which, based on a hydrochloric acid acidolysis process, utilizes impurity pre-removal and post-removal procedures to remove heavy metal impurities by stages, utilizes tri-butyl phosphate that features with simple composition and stable properties as the extracting agent to accomplish an extraction process and thereby can attain a good extraction result, and incorporates a dilute hydrochloric acid back-wash extraction procedure to achieve a high utilization rate of the extracting agent. Since the entire extraction and back-wash extraction process can be accomplished at normal temperature, the hydrochloric acid process disclosed in the present invention is especially suitable for use in industrial production to produce food-grade phosphoric acid; in addition, the liquid-liquid extraction process is highly controllable, the extraction and impurity removal efficiency is high, and the content of H3PO4 in the final phosphoric acid product can be higher than 75wt%, which means the obtained phosphoric acid has high quality and can be used directly in the food industry without any purification. The process disclosed in the present invention is applicable to both lean phosphate ore and rich phosphate ore.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110436529.4A CN102515134B (en) | 2011-12-23 | 2011-12-23 | Production technology of food-grade phosphoric acid with hydrochloric acid method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JO3135B1 true JO3135B1 (en) | 2017-09-20 |
Family
ID=46286288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JOP/2012/0393A JO3135B1 (en) | 2011-12-23 | 2012-12-23 | Hydrochloric Acid Process for Production of Food-Grade Phosphorous Acid |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102515134B (en) |
| JO (1) | JO3135B1 (en) |
| WO (1) | WO2013091367A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102992296A (en) * | 2012-11-09 | 2013-03-27 | 凯恩德利(北京)科贸有限公司 | Process for producing phosphoric acid through hydrochloric acid method |
| CN104986746B (en) * | 2015-08-07 | 2017-09-22 | 中化重庆涪陵化工有限公司 | The method for improving wet phosphoric acid purifying extraction yield |
| CN110116997A (en) * | 2019-06-25 | 2019-08-13 | 山东鲁北企业集团总公司 | A kind of method that wet phosphoric acid purifying removes iron |
| CN114832747A (en) * | 2022-04-06 | 2022-08-02 | 瓮福（集团）有限责任公司 | Phosphoric acid purifies dearsenification device |
| CN114804047A (en) * | 2022-04-06 | 2022-07-29 | 瓮福（集团）有限责任公司 | Phosphoric acid purification and dearsenification process |
| CN114772573A (en) * | 2022-05-29 | 2022-07-22 | 四川金地亚美科技有限公司 | Process for producing sodium potassium tripolyphosphate |
| CN115924871B (en) * | 2022-12-02 | 2023-09-15 | 上海太洋科技有限公司 | A kind of preparation method of optical grade copper metaphosphate |
| CN115893353A (en) * | 2023-01-09 | 2023-04-04 | 贵州胜威化工新材料研究院有限公司 | Synthetic method of ferric orthophosphate material |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1142719A (en) * | 1968-10-24 | 1969-02-12 | Israel Mining Ind Inst For Res | Phosphoric acid recovery |
| US4256716A (en) * | 1979-03-01 | 1981-03-17 | Occidental Research Corporation | Process for treating loaded extractant from purification of phosphoric acid by extraction |
| CN100396599C (en) * | 2004-12-14 | 2008-06-25 | 自贡鸿鹤化工股份有限公司 | Method for producing phosphoric acid co-production gypsum by hydrochloric acid method |
| CN101774556B (en) * | 2010-01-28 | 2011-12-07 | 四川大学 | Method for preparing industrial grade and food grade phosphoric acid by decomposing low grade phosphate rocks with hydrochloric acid |
| CN102134063B (en) * | 2011-01-12 | 2012-07-04 | 上海协达精细化工研发有限公司 | Method for manufacturing industrial phosphoric acid, industrial ammonium phosphate and food-grade phosphoric acid from medium and low-grade phosphorite by one-step extraction of hydrochloric acid method |
-
2011
- 2011-12-23 CN CN201110436529.4A patent/CN102515134B/en active Active
-
2012
- 2012-06-27 WO PCT/CN2012/077645 patent/WO2013091367A1/en not_active Ceased
- 2012-12-23 JO JOP/2012/0393A patent/JO3135B1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102515134B (en) | 2014-04-16 |
| CN102515134A (en) | 2012-06-27 |
| WO2013091367A1 (en) | 2013-06-27 |
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