FR2356634A1 - Procede pour eliminer l'energie thermique d'un melange aqueux de sulfate de sodium - Google Patents
Procede pour eliminer l'energie thermique d'un melange aqueux de sulfate de sodiumInfo
- Publication number
- FR2356634A1 FR2356634A1 FR7720101A FR7720101A FR2356634A1 FR 2356634 A1 FR2356634 A1 FR 2356634A1 FR 7720101 A FR7720101 A FR 7720101A FR 7720101 A FR7720101 A FR 7720101A FR 2356634 A1 FR2356634 A1 FR 2356634A1
- Authority
- FR
- France
- Prior art keywords
- thermal energy
- aqueous mixture
- heat exchanger
- sodium sulphate
- removing thermal
- Prior art date
- 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.)
- Granted
Links
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 title abstract 7
- 229910052938 sodium sulfate Inorganic materials 0.000 title abstract 4
- 235000011152 sodium sulphate Nutrition 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 239000000203 mixture Substances 0.000 title abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000002826 coolant Substances 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 159000000000 sodium salts Chemical class 0.000 abstract 1
- 230000001180 sulfating effect Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
- C11D11/04—Special methods for preparing compositions containing mixtures of detergents by chemical means, e.g. by sulfonating in the presence of other compounding ingredients followed by neutralising
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/96—Methods for the preparation of sulfates in general
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/32—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- ing And Chemical Polishing (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Procédé pour éliminer l'énergie thermique d'un mélange aqueux de sulfate de sodium et du sel de sodium d'un acide organique sulfurique ou sulfonique. Ce procédé comporte les étapes suivantes : a. Réaction de l'acide organique sulfurique ou sulfonique et d'un excès de l'agent de sulfatation avec un composant alcalin et formation d'une solution sursaturée en sulfate de sodium; et b. Refroidissement de la masse réactionnelle formée à l'étape a dans un échangeur de chaleur tout en maintenant le liquide de refroidissement de l'échangeur de chaleur à une température inférieure à la température à laquelle le sulfate de sodium anhydre se forme. Réduction de dépôt de sulfate de sodium sur les surfaces d'un échangeur de chaleur.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/701,729 US4430271A (en) | 1976-07-01 | 1976-07-01 | Energy transfer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2356634A1 true FR2356634A1 (fr) | 1978-01-27 |
FR2356634B1 FR2356634B1 (fr) | 1983-10-14 |
Family
ID=24818448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7720101A Granted FR2356634A1 (fr) | 1976-07-01 | 1977-06-30 | Procede pour eliminer l'energie thermique d'un melange aqueux de sulfate de sodium |
Country Status (8)
Country | Link |
---|---|
US (1) | US4430271A (fr) |
JP (1) | JPS5325285A (fr) |
BE (1) | BE856306A (fr) |
CA (1) | CA1104582A (fr) |
DE (1) | DE2729036A1 (fr) |
ES (1) | ES460237A1 (fr) |
FR (1) | FR2356634A1 (fr) |
IT (1) | IT1082113B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5158690A (en) * | 1992-02-18 | 1992-10-27 | International Business Machines Corporation | Thermophoretic filtering of liquids |
GB9713748D0 (en) * | 1997-06-27 | 1997-09-03 | Unilever Plc | Production of detergent granulates |
CN106512879B (zh) * | 2016-03-25 | 2019-04-12 | 中国石油集团东北炼化工程有限公司吉林设计院 | 在甲基丙烯酸甲酯的制备中防止酯化釜内结块的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3024258A (en) * | 1957-06-11 | 1962-03-06 | Chemithon Corp | Continuous sulfonation process |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE867393C (de) * | 1951-03-04 | 1953-02-16 | Colgate Palmolive Peet Co | Verfahren zum Neutralisieren eines noch ueberschuessiges Sulfonierungsmittel enthaltenden organischen Sulfonsaeure-bzw. Schwefelsaeureestergemisches |
US3971815A (en) * | 1974-11-13 | 1976-07-27 | The Procter & Gamble Company | Acid mix process |
-
1976
- 1976-07-01 US US05/701,729 patent/US4430271A/en not_active Expired - Lifetime
-
1977
- 1977-06-22 CA CA281,123A patent/CA1104582A/fr not_active Expired
- 1977-06-28 DE DE19772729036 patent/DE2729036A1/de not_active Withdrawn
- 1977-06-29 ES ES460237A patent/ES460237A1/es not_active Expired
- 1977-06-30 FR FR7720101A patent/FR2356634A1/fr active Granted
- 1977-06-30 IT IT25289/77A patent/IT1082113B/it active
- 1977-06-30 JP JP7844177A patent/JPS5325285A/ja active Pending
- 1977-06-30 BE BE178943A patent/BE856306A/fr not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3024258A (en) * | 1957-06-11 | 1962-03-06 | Chemithon Corp | Continuous sulfonation process |
Also Published As
Publication number | Publication date |
---|---|
BE856306A (fr) | 1977-12-30 |
DE2729036A1 (de) | 1978-01-12 |
ES460237A1 (es) | 1978-08-16 |
JPS5325285A (en) | 1978-03-08 |
FR2356634B1 (fr) | 1983-10-14 |
US4430271A (en) | 1984-02-07 |
IT1082113B (it) | 1985-05-21 |
CA1104582A (fr) | 1981-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |