GB491945A - Improvements in and relating to methods of producing crystalline substances in a gravel-like or sandy form of high weight per unit volume, and apparatus therefor - Google Patents

Improvements in and relating to methods of producing crystalline substances in a gravel-like or sandy form of high weight per unit volume, and apparatus therefor

Info

Publication number
GB491945A
GB491945A GB33585/36A GB3358536A GB491945A GB 491945 A GB491945 A GB 491945A GB 33585/36 A GB33585/36 A GB 33585/36A GB 3358536 A GB3358536 A GB 3358536A GB 491945 A GB491945 A GB 491945A
Authority
GB
United Kingdom
Prior art keywords
vessel
gravel
relating
methods
per unit
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
Application number
GB33585/36A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saeurefabrik Schweizerhall
Original Assignee
Saeurefabrik Schweizerhall
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Saeurefabrik Schweizerhall filed Critical Saeurefabrik Schweizerhall
Publication of GB491945A publication Critical patent/GB491945A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0018Evaporation of components of the mixture to be separated
    • B01D9/0031Evaporation of components of the mixture to be separated by heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

<PICT:0491945/III/1> <PICT:0491945/III/2> In a method of producing a crystalline substance in a sandy form of low water-content, a solution is evaporated in a vessel 1 and stirred. Helical blades 7, 8, 10, and 11 of opposite twist effect the stirring and the vessel may be heated by gas burners or a jacket for heating fluid. The stirring blades sweep closely over the walls of the vessel and project above the material in the vessel. Air, nitrogen, carbon dioxide or steam may be admitted to the vessel and is then stirred into the mass by the blades. The apparatus may be of double trough form and have two parallel shafts bearing stirring blades.
GB33585/36A 1935-12-07 1936-12-07 Improvements in and relating to methods of producing crystalline substances in a gravel-like or sandy form of high weight per unit volume, and apparatus therefor Expired GB491945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE491945X 1935-12-07

Publications (1)

Publication Number Publication Date
GB491945A true GB491945A (en) 1938-09-12

Family

ID=6544337

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33585/36A Expired GB491945A (en) 1935-12-07 1936-12-07 Improvements in and relating to methods of producing crystalline substances in a gravel-like or sandy form of high weight per unit volume, and apparatus therefor

Country Status (1)

Country Link
GB (1) GB491945A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900668A (en) * 1955-11-04 1959-08-25 Henkel & Cie A G Production of granular perborates
EP0400073A1 (en) * 1988-04-18 1990-12-05 Chen-Yen Cheng Methods and apparatuses for conducting solid-liquid-vapor multiple phase transformation operations
WO2017016659A1 (en) * 2015-07-29 2017-02-02 Heitmann Torsten Crystallizer or reactor and method for continuously growing crystals or continuously managing a reaction

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900668A (en) * 1955-11-04 1959-08-25 Henkel & Cie A G Production of granular perborates
EP0400073A1 (en) * 1988-04-18 1990-12-05 Chen-Yen Cheng Methods and apparatuses for conducting solid-liquid-vapor multiple phase transformation operations
EP0400073A4 (en) * 1988-04-18 1991-06-12 Chen-Yen Cheng Methods and apparatuses for conducting solid-liquid-vapor multiple phase transformation operations
WO2017016659A1 (en) * 2015-07-29 2017-02-02 Heitmann Torsten Crystallizer or reactor and method for continuously growing crystals or continuously managing a reaction
US10661198B2 (en) 2015-07-29 2020-05-26 Torsten Heitmann Crystallizer or reactor and method for continuously growing crystals or continuously managing a reaction

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