ES459741A1 - Procedimiento y dispositivo de lavado de manera continua o discontinua de un producto impregnado por una sustancia li- quida. - Google Patents

Procedimiento y dispositivo de lavado de manera continua o discontinua de un producto impregnado por una sustancia li- quida.

Info

Publication number
ES459741A1
ES459741A1 ES459741A ES459741A ES459741A1 ES 459741 A1 ES459741 A1 ES 459741A1 ES 459741 A ES459741 A ES 459741A ES 459741 A ES459741 A ES 459741A ES 459741 A1 ES459741 A1 ES 459741A1
Authority
ES
Spain
Prior art keywords
washing
liquid
substance
washing operation
eliminated
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
ES459741A
Other languages
English (en)
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.)
Societe Nationale des Poudres et Explosifs
Original Assignee
Societe Nationale des Poudres et Explosifs
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 Societe Nationale des Poudres et Explosifs filed Critical Societe Nationale des Poudres et Explosifs
Publication of ES459741A1 publication Critical patent/ES459741A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D12/00—Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
    • C08B5/02—Cellulose nitrate, i.e. nitrocellulose
    • C08B5/04—Post-esterification treatments, e.g. densification of powders, including purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

Procedimiento y dispositivo de lavado de manera continua o discontinua de un producto impregnado por una sustancia líquida, que ha de ser eliminada, caracterizado dicho procedimiento por el hecho de someter el producto a una secuencia de operaciones de lavado sucesivas en una zona de lavado.
ES459741A 1976-06-16 1977-06-14 Procedimiento y dispositivo de lavado de manera continua o discontinua de un producto impregnado por una sustancia li- quida. Expired ES459741A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7618225A FR2354796A1 (fr) 1976-06-16 1976-06-16 Procede et dispositif de lavage d'un produit impregne par une substance liquide

Publications (1)

Publication Number Publication Date
ES459741A1 true ES459741A1 (es) 1978-11-16

Family

ID=9174454

Family Applications (1)

Application Number Title Priority Date Filing Date
ES459741A Expired ES459741A1 (es) 1976-06-16 1977-06-14 Procedimiento y dispositivo de lavado de manera continua o discontinua de un producto impregnado por una sustancia li- quida.

Country Status (7)

Country Link
US (1) US4184891A (es)
DE (1) DE2727057A1 (es)
ES (1) ES459741A1 (es)
FR (1) FR2354796A1 (es)
GB (1) GB1578483A (es)
IT (1) IT1083525B (es)
SE (1) SE7706864L (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1096315B (it) * 1978-05-24 1985-08-26 Snam Progetti Metodo per l'estrazione solido-liquido e apparecchiatura adatta allo scopo
GB2059469B (en) * 1979-09-26 1983-09-01 Reed International Ltd Washing fibre stock
US4396435A (en) * 1980-06-24 1983-08-02 General Electric Company Fluid handling system
US5659912A (en) * 1995-09-22 1997-08-26 Thies Gmbh & Co. Process for the removal of residues from textile substrates
DE10220270B4 (de) * 2002-05-07 2017-01-26 Dow Global Technologies Inc. Kontinuierliches Verfahren zur Herstellung und/oder Aufarbeitung von Polysaccharidderivaten
CN112500500B (zh) * 2020-11-25 2022-08-05 北方化学工业股份有限公司 一种回收硝化纤维素残酸的装置及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686192A (en) * 1950-12-20 1954-08-10 Bonotto Michele Continuous percolation extraction
US2949337A (en) * 1957-06-24 1960-08-16 Dow Chemical Co Washing tow bundles of synthetic fibers
US3117031A (en) * 1960-05-09 1964-01-07 John L Kerby Method and apparatus for countercurrent washing of solid particles such as crystals
DE2434305C2 (de) * 1974-07-17 1983-09-29 Hans Höllmüller Maschinenbau GmbH & Co, 7033 Herrenberg Ätzanlage
US4039349A (en) * 1976-02-17 1977-08-02 Bethlehem Steel Corporation Method and apparatus for multi-stage rinsing

Also Published As

Publication number Publication date
IT1083525B (it) 1985-05-21
DE2727057A1 (de) 1977-12-29
FR2354796B1 (es) 1982-01-15
SE7706864L (sv) 1977-12-17
GB1578483A (en) 1980-11-05
US4184891A (en) 1980-01-22
FR2354796A1 (fr) 1978-01-13

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