SE429200B - Forfarande for atervinning av natriumcitrat fran vattenlosningar som anvents i ett absorptions/avdrivningsforfarande for so?712-atervinning - Google Patents
Forfarande for atervinning av natriumcitrat fran vattenlosningar som anvents i ett absorptions/avdrivningsforfarande for so?712-atervinningInfo
- Publication number
- SE429200B SE429200B SE7811278A SE7811278A SE429200B SE 429200 B SE429200 B SE 429200B SE 7811278 A SE7811278 A SE 7811278A SE 7811278 A SE7811278 A SE 7811278A SE 429200 B SE429200 B SE 429200B
- Authority
- SE
- Sweden
- Prior art keywords
- sodium citrate
- recovery
- evaporation
- absorption
- mother liquor
- Prior art date
Links
- 239000001509 sodium citrate Substances 0.000 title claims description 25
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 23
- 238000010521 absorption reaction Methods 0.000 title claims description 18
- 238000011084 recovery Methods 0.000 title claims description 8
- 229910001868 water Inorganic materials 0.000 title description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 5
- 239000012452 mother liquor Substances 0.000 claims description 19
- 239000002250 absorbent Substances 0.000 claims description 18
- 230000002745 absorbent Effects 0.000 claims description 18
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 15
- 238000001704 evaporation Methods 0.000 claims description 11
- 230000008020 evaporation Effects 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 9
- 235000011152 sodium sulphate Nutrition 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 20
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 13
- 239000007789 gas Substances 0.000 description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical class [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 229910021653 sulphate ion Inorganic materials 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical class [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical class [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- FNAQSUUGMSOBHW-UHFFFAOYSA-H calcium citrate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O FNAQSUUGMSOBHW-UHFFFAOYSA-H 0.000 description 1
- 239000001354 calcium citrate Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000009918 complex formation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000004289 sodium hydrogen sulphite Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000010591 solubility diagram Methods 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 159000000008 strontium salts Chemical class 0.000 description 1
- VTBSJEPGLHXIIS-UHFFFAOYSA-L strontium;sulfite Chemical compound [Sr+2].[O-]S([O-])=O VTBSJEPGLHXIIS-UHFFFAOYSA-L 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 235000013337 tricalcium citrate Nutrition 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7811278A SE429200B (sv) | 1978-10-31 | 1978-10-31 | Forfarande for atervinning av natriumcitrat fran vattenlosningar som anvents i ett absorptions/avdrivningsforfarande for so?712-atervinning |
| DE19792941882 DE2941882A1 (de) | 1978-10-31 | 1979-10-16 | Verfahren zum selektiven abtrennen von natriumzitrat aus einer waessrigen loesung |
| CA338,313A CA1127184A (fr) | 1978-10-31 | 1979-10-24 | Procede permettant de recuperer selectivement le citrate de sodium en solution aqueuse |
| US06/090,003 US4310691A (en) | 1978-10-31 | 1979-10-31 | Method for selectively recovering sodium citrate from an aqueous solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7811278A SE429200B (sv) | 1978-10-31 | 1978-10-31 | Forfarande for atervinning av natriumcitrat fran vattenlosningar som anvents i ett absorptions/avdrivningsforfarande for so?712-atervinning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7811278L SE7811278L (sv) | 1980-05-01 |
| SE429200B true SE429200B (sv) | 1983-08-22 |
Family
ID=20336226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7811278A SE429200B (sv) | 1978-10-31 | 1978-10-31 | Forfarande for atervinning av natriumcitrat fran vattenlosningar som anvents i ett absorptions/avdrivningsforfarande for so?712-atervinning |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4310691A (fr) |
| CA (1) | CA1127184A (fr) |
| DE (1) | DE2941882A1 (fr) |
| SE (1) | SE429200B (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989007973A1 (fr) * | 1988-02-24 | 1989-09-08 | Sintef | Procede de purification de solutions tampon aqueuses |
| WO1996016721A1 (fr) * | 1994-11-28 | 1996-06-06 | ABB Fläkt AB | Procede et appareillage de regulation de liquide pour l'epuration d'un gaz par voie humide |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4994609A (en) * | 1990-06-06 | 1991-02-19 | Innova S.A. | Production of citric acid |
| MX2013004816A (es) | 2010-10-29 | 2013-07-02 | Mecs Inc | Recuperacion regenerativa de dioxido de azufre de gases efluentes. |
| EP2844369B1 (fr) | 2012-05-02 | 2020-09-02 | MECS, Inc. | Récupération régénérative de contaminants à partir de gaz d'effluent |
| BR112015022004B8 (pt) | 2013-03-15 | 2022-07-12 | Mecs Inc | Processos para remoção de gás contaminante da fonte de gás e recuperação do referido gás e para a remoção de dióxido de enxofre de fonte de gás contendo dióxido de enxofre e recuperação do dióxido de enxofre |
| CN104557517B (zh) * | 2014-12-19 | 2016-12-07 | 日照金禾博源生化有限公司 | 一种废柠檬酸钠母液综合处理工艺 |
| CN117550762B (zh) * | 2024-01-11 | 2024-03-12 | 上海第二工业大学 | 一种钠离子电池正极材料生产废水零排放处理方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2142987A (en) * | 1935-12-24 | 1939-01-10 | Bacon | Recovery of sulphur dioxide from gases |
| US2134482A (en) * | 1935-12-28 | 1938-10-25 | Commw Edison Co | Process of recovering so from waste gases |
| GB489745A (en) | 1937-05-20 | 1938-08-03 | Cons Mining & Smelting Company | Process for the absorption and subsequent recovery of sulphur dioxide from gases containing the same |
| NO133546C (fr) * | 1972-11-24 | 1976-05-19 | Sintef |
-
1978
- 1978-10-31 SE SE7811278A patent/SE429200B/sv not_active IP Right Cessation
-
1979
- 1979-10-16 DE DE19792941882 patent/DE2941882A1/de not_active Withdrawn
- 1979-10-24 CA CA338,313A patent/CA1127184A/fr not_active Expired
- 1979-10-31 US US06/090,003 patent/US4310691A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989007973A1 (fr) * | 1988-02-24 | 1989-09-08 | Sintef | Procede de purification de solutions tampon aqueuses |
| US5108625A (en) * | 1988-02-24 | 1992-04-28 | Sintef | Process for removing sodium sulfate from aqueous buffer solutions |
| WO1996016721A1 (fr) * | 1994-11-28 | 1996-06-06 | ABB Fläkt AB | Procede et appareillage de regulation de liquide pour l'epuration d'un gaz par voie humide |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2941882A1 (de) | 1980-05-14 |
| CA1127184A (fr) | 1982-07-06 |
| SE7811278L (sv) | 1980-05-01 |
| US4310691A (en) | 1982-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6589497B2 (en) | Process for preparing soda ash from solution mined bicarbonate brines | |
| US6576206B2 (en) | Bicarbonate conversion in a carbonate monohydrate process | |
| DE69500717T2 (de) | Magnesium-unterstützte Auswaschung von Schwefeldioxid mit Herstellung von Gips | |
| CN110734406A (zh) | 通过尿素热解生产高纯度三聚氰胺的氨消耗减少的低能耗方法及相关设备 | |
| SE429200B (sv) | Forfarande for atervinning av natriumcitrat fran vattenlosningar som anvents i ett absorptions/avdrivningsforfarande for so?712-atervinning | |
| JPH02303591A (ja) | 排出液から硝酸塩及び/又は有機汚染物質の除去法 | |
| US6106796A (en) | Method of ammonium sulfate purification | |
| CN109906200B (zh) | 从氯化钾和硫酸生产硫酸钾的方法 | |
| CA1091898A (fr) | Procede d'extraction de dioxyde de soufre porte dans des gaz de combustion | |
| US3886069A (en) | Process for purification of aqueous sodium citrate solutions | |
| US4118467A (en) | Treatment of gas containing hydrogen sulfide | |
| US5108625A (en) | Process for removing sodium sulfate from aqueous buffer solutions | |
| US3709978A (en) | Process for purifying industrial waste gases containing hydrogen fluoride | |
| US4588564A (en) | Process for recovering arsenic trioxide from exhaust gas of smelting | |
| DE3538231C2 (fr) | ||
| SU1011202A1 (ru) | Способ очистки газа от сероводорода | |
| SU1142443A1 (ru) | Способ получени диоксида селена | |
| AU709404B2 (en) | Process for the recovery of sulphuric acid from spent acids containing metal sulphates | |
| JPS6323129B2 (fr) | ||
| HU176220B (en) | Method for purifying final gases containing fluor | |
| JPH02137717A (ja) | チオシアン酸アンモニウムの製造方法 | |
| DE10158657A1 (de) | Aufbereitungsverfahren von Prozessabstoßströmen | |
| SE439154B (sv) | Forfarande vid produktion av svavelsyra ur svaveldioxidhaltig gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7811278-6 Effective date: 19880322 Format of ref document f/p: F |