GB556942A - Improvements in or relating to the liquid treatment of solid materials - Google Patents

Improvements in or relating to the liquid treatment of solid materials

Info

Publication number
GB556942A
GB556942A GB5459/42A GB545942A GB556942A GB 556942 A GB556942 A GB 556942A GB 5459/42 A GB5459/42 A GB 5459/42A GB 545942 A GB545942 A GB 545942A GB 556942 A GB556942 A GB 556942A
Authority
GB
United Kingdom
Prior art keywords
solids
compartments
compartment
baffles
liquid
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
GB5459/42A
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.)
Acordis UK Ltd
Original Assignee
British Celanese Ltd
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 British Celanese Ltd filed Critical British Celanese Ltd
Publication of GB556942A publication Critical patent/GB556942A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B17/00—Apparatus for esterification or etherification of cellulose
    • C08B17/02—Apparatus for esterification or etherification of cellulose for making organic esters of cellulose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0269—Solid material in other moving receptacles
    • B01D11/0273—Solid material in other moving receptacles in rotating drums
    • B01D11/0276—Solid material in other moving receptacles in rotating drums with the general transport direction of the solids parallel to the rotation axis of the conveyor, e.g. spirals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

556,942. Treating solids with liquids-; washing granular materials. BRITISH CELANESE, Ltd. April 23, 1942. No. 5459. Convention date, April 24, 1941. [Classes 82 (i) and 82 (ii)] Apparatus for treating solids with liquids comprises a vessel divided into a series of compartments, solids and liquids being fed to opposite ends of the series and means being provided for passing solids from one compartment to the next in one direction and liquid from one compartment of the next in the opposite direction. The apparatus may be used in the treatment of cellulose acetate and the like materials and the material may be passed through a series of units in which it is treated with different liquid. in. successive units. In the apparatus shown the solids are fed through a pipe 7 and liquid through a pipe 9 to the ends of a rotary vessel 6 divided into compartments 14. Perforated baffles 18 and solid baffles B are so arranged in the compartments that on the rotation of the vessel 6 the solids are lifted by the baffles 18 and passed through central openings 17 in the partitions 13 into the next compartment in one direction, while liquid is lifted by the parts B und passed through openings 22 in the opposite direction. The baffles in successive compartments are preferably so positioned that the solid is discharged from each compartment shortly before fresh material enters it.
GB5459/42A 1941-04-24 1942-04-23 Improvements in or relating to the liquid treatment of solid materials Expired GB556942A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US556942XA 1941-04-24 1941-04-24

Publications (1)

Publication Number Publication Date
GB556942A true GB556942A (en) 1943-10-28

Family

ID=21999560

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5459/42A Expired GB556942A (en) 1941-04-24 1942-04-23 Improvements in or relating to the liquid treatment of solid materials

Country Status (1)

Country Link
GB (1) GB556942A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666240A (en) * 1968-05-14 1972-05-30 Loedige Wilhelm Gravity mixer
FR2414938A1 (en) * 1978-01-23 1979-08-17 Genie Guy APPARATUS FOR THE EXTRACTION BY MEANS OF A LIQUID OF PRODUCTS THAT ARE PART OF SOLID MATERIALS
GB2303805A (en) * 1995-07-29 1997-03-05 Lindley Plant Ltd Apparatus for wet separation of particles and contaminants

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666240A (en) * 1968-05-14 1972-05-30 Loedige Wilhelm Gravity mixer
FR2414938A1 (en) * 1978-01-23 1979-08-17 Genie Guy APPARATUS FOR THE EXTRACTION BY MEANS OF A LIQUID OF PRODUCTS THAT ARE PART OF SOLID MATERIALS
GB2303805A (en) * 1995-07-29 1997-03-05 Lindley Plant Ltd Apparatus for wet separation of particles and contaminants

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