DE841744C - Kristallisationsverfahren - Google Patents
KristallisationsverfahrenInfo
- Publication number
- DE841744C DE841744C DEI1725A DEI0001725A DE841744C DE 841744 C DE841744 C DE 841744C DE I1725 A DEI1725 A DE I1725A DE I0001725 A DEI0001725 A DE I0001725A DE 841744 C DE841744 C DE 841744C
- Authority
- DE
- Germany
- Prior art keywords
- current
- cooling
- crystals
- vessel
- coil
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 11
- 238000002425 crystallisation Methods 0.000 title claims description 8
- 230000008025 crystallization Effects 0.000 title claims description 7
- 238000001816 cooling Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 241000270295 Serpentes Species 0.000 description 13
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 8
- 239000008096 xylene Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 150000003738 xylenes Chemical class 0.000 description 2
- 241000768714 Anoides Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/909—Heat considerations
- Y10S585/911—Heat considerations introducing, maintaining, or removing heat by atypical procedure
- Y10S585/913—Electric
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/949—Miscellaneous considerations
- Y10S585/95—Prevention or removal of corrosion or solid deposits
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB21037/49A GB698870A (en) | 1949-08-12 | 1949-08-12 | Improvements in and relating to crystallising processes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE841744C true DE841744C (de) | 1952-06-19 |
Family
ID=10156112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEI1725A Expired DE841744C (de) | 1949-08-12 | 1950-08-13 | Kristallisationsverfahren |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2701266A (en, 2012) |
| DE (1) | DE841744C (en, 2012) |
| FR (1) | FR1023931A (en, 2012) |
| GB (1) | GB698870A (en, 2012) |
| NL (1) | NL75853C (en, 2012) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1104508A (en) * | 1965-08-18 | 1968-02-28 | Ici Ltd | Refrigeration processes |
| DE3239603A1 (de) * | 1982-10-26 | 1984-04-26 | Linde Ag, 6200 Wiesbaden | Verfahren zum gleichzeitigen entfernen von h(pfeil abwaerts)2(pfeil abwaerts)s, so(pfeil abwaerts)2(pfeil abwaerts) und elementarem schwefel aus gasgemischen |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1746144A (en) * | 1927-03-08 | 1930-02-04 | Gen Electric | Production of piezo-electric elements |
| US1940065A (en) * | 1927-12-15 | 1933-12-19 | Ig Farbenindustrie Ag | Separatrion and purification of ortho, meta and para xylene |
| US2500298A (en) * | 1944-09-29 | 1950-03-14 | Philco Corp | Defrosting system for refrigerating apparatus |
| US2491413A (en) * | 1946-07-25 | 1949-12-13 | Cutler Hammer Inc | Welding controller |
| NL63332C (en, 2012) * | 1947-06-05 |
-
0
- NL NL75853D patent/NL75853C/xx active
-
1949
- 1949-08-12 GB GB21037/49A patent/GB698870A/en not_active Expired
-
1950
- 1950-07-25 US US175839A patent/US2701266A/en not_active Expired - Lifetime
- 1950-08-07 FR FR1023931D patent/FR1023931A/fr not_active Expired
- 1950-08-13 DE DEI1725A patent/DE841744C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1023931A (fr) | 1953-03-25 |
| GB698870A (en) | 1953-10-28 |
| NL75853C (en, 2012) | |
| US2701266A (en) | 1955-02-01 |
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