GB595132A - An improved evaporating apparatus for continuous operation under vacuum - Google Patents

An improved evaporating apparatus for continuous operation under vacuum

Info

Publication number
GB595132A
GB595132A GB18716/44A GB1871644A GB595132A GB 595132 A GB595132 A GB 595132A GB 18716/44 A GB18716/44 A GB 18716/44A GB 1871644 A GB1871644 A GB 1871644A GB 595132 A GB595132 A GB 595132A
Authority
GB
United Kingdom
Prior art keywords
evaporator
preheater
tanks
tank
under vacuum
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
GB18716/44A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB595132A publication Critical patent/GB595132A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00—Treatment of rubber latex
    • C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
    • C08C1/075—Concentrating
    • C08C1/12—Concentrating by evaporation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/10—Vacuum distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

Latex or other liquid is concentrated under vacuum in an apparatus comprising an evaporator connected to a source of vacuum, a preheater connected to the evaporator, a plurality of tanks connected to the evaporator and to the preheater, means for reducing the pressure in each tank, a circulating pump and valves in the conduits connecting the tanks to the evaporator and preheater which enable liquid to flow from one tank through the preheater and evaporator into another tank. In Fig. 1 an evaporator 1 communicates with three tanks 2, 3 and 4 through conduits 5, 6, 7 or through 8 and 9 and <PICT:0595132/III/1> preheater 10, with valves 2a, 2b, 3a, 3b, 4a and 4b respectively controlling the flow to and from the tanks. Each tank has four valve-controlled outlets communicating with the atmosphere, the supply of latex, a compressed air manifold 11, a vacuum manifold 12 and the liquid withdrawal pipe. Specifications 382,235 and 393,732 are referred to.
GB18716/44A 1943-09-14 1944-09-29 An improved evaporating apparatus for continuous operation under vacuum Expired GB595132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US595132XA 1943-09-14 1943-09-14

Publications (1)

Publication Number Publication Date
GB595132A true GB595132A (en) 1947-11-27

Family

ID=22023449

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18716/44A Expired GB595132A (en) 1943-09-14 1944-09-29 An improved evaporating apparatus for continuous operation under vacuum

Country Status (1)

Country Link
GB (1) GB595132A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437233A1 (en) * 1978-09-27 1980-04-25 Bon Alexandre De Distillation plant - in which the liq. to be distilled is controllably heated and vibrated in a low pressure environment
EP0685248A1 (en) * 1994-06-03 1995-12-06 Büchi Labortechnik AG Process and apparatus for distillation of liquids

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437233A1 (en) * 1978-09-27 1980-04-25 Bon Alexandre De Distillation plant - in which the liq. to be distilled is controllably heated and vibrated in a low pressure environment
EP0685248A1 (en) * 1994-06-03 1995-12-06 Büchi Labortechnik AG Process and apparatus for distillation of liquids

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