FR1298961A - Countercurrent method and apparatus for washing or purifying granular materials or the like - Google Patents

Countercurrent method and apparatus for washing or purifying granular materials or the like

Info

Publication number
FR1298961A
FR1298961A FR862695A FR862695A FR1298961A FR 1298961 A FR1298961 A FR 1298961A FR 862695 A FR862695 A FR 862695A FR 862695 A FR862695 A FR 862695A FR 1298961 A FR1298961 A FR 1298961A
Authority
FR
France
Prior art keywords
washing
granular materials
countercurrent method
purifying
purifying granular
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
FR862695A
Other languages
French (fr)
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.)
KIRKLEES Ltd
Original Assignee
KIRKLEES 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 KIRKLEES Ltd filed Critical KIRKLEES Ltd
Priority to FR862695A priority Critical patent/FR1298961A/en
Application granted granted Critical
Publication of FR1298961A publication Critical patent/FR1298961A/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
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • 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
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0223—Moving bed of solid material
    • 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
    • B01D11/028—Flow sheets
    • B01D11/0284—Multistage extraction

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)
FR862695A 1961-05-24 1961-05-24 Countercurrent method and apparatus for washing or purifying granular materials or the like Expired FR1298961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR862695A FR1298961A (en) 1961-05-24 1961-05-24 Countercurrent method and apparatus for washing or purifying granular materials or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR862695A FR1298961A (en) 1961-05-24 1961-05-24 Countercurrent method and apparatus for washing or purifying granular materials or the like

Publications (1)

Publication Number Publication Date
FR1298961A true FR1298961A (en) 1962-07-20

Family

ID=8755751

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862695A Expired FR1298961A (en) 1961-05-24 1961-05-24 Countercurrent method and apparatus for washing or purifying granular materials or the like

Country Status (1)

Country Link
FR (1) FR1298961A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052337A2 (en) * 1980-11-19 1982-05-26 Wolff Walsrode Aktiengesellschaft Purification of cellulose and starch ethers
EP0053741A1 (en) * 1980-11-27 1982-06-16 Wolff Walsrode Aktiengesellschaft Purification of cellulose and starch ethers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052337A2 (en) * 1980-11-19 1982-05-26 Wolff Walsrode Aktiengesellschaft Purification of cellulose and starch ethers
EP0052337A3 (en) * 1980-11-19 1982-06-02 Wolff Walsrode Aktiengesellschaft Purification of cellulose and starch ethers
EP0053741A1 (en) * 1980-11-27 1982-06-16 Wolff Walsrode Aktiengesellschaft Purification of cellulose and starch ethers

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