CH226671A - Process for processing the sulfuric acid precipitation baths circulating in the viscose spinning or casting machines. - Google Patents

Process for processing the sulfuric acid precipitation baths circulating in the viscose spinning or casting machines.

Info

Publication number
CH226671A
CH226671A CH226671DA CH226671A CH 226671 A CH226671 A CH 226671A CH 226671D A CH226671D A CH 226671DA CH 226671 A CH226671 A CH 226671A
Authority
CH
Switzerland
Prior art keywords
circulating
processing
sulfuric acid
acid precipitation
casting machines
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH226671A publication Critical patent/CH226671A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/255—Means for correcting the capacitance value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F21/00—Indexing means; Indexing tabs or protectors therefor
    • B42F21/06—Tabs detachably mounted on sheets, papers, cards, or suspension files
    • B42F21/08—Tabs detachably mounted on sheets, papers, cards, or suspension files in one of a number of predetermined positions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
    • D01F13/02—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of cellulose, cellulose derivatives or proteins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/30—Means for indicating condition of fuse structurally associated with the fuse
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inorganic Chemistry (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
CH226671D 1941-02-21 1942-02-21 Process for processing the sulfuric acid precipitation baths circulating in the viscose spinning or casting machines. CH226671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE210241X 1941-02-21

Publications (1)

Publication Number Publication Date
CH226671A true CH226671A (en) 1943-04-30

Family

ID=5796323

Family Applications (4)

Application Number Title Priority Date Filing Date
CH224768D CH224768A (en) 1941-02-21 1941-12-30 Stacked capacitor.
CH224763D CH224763A (en) 1941-02-21 1942-02-03 Display device for fuses.
CH225569D CH225569A (en) 1941-02-21 1942-02-16 Tab for card files.
CH226671D CH226671A (en) 1941-02-21 1942-02-21 Process for processing the sulfuric acid precipitation baths circulating in the viscose spinning or casting machines.

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CH224768D CH224768A (en) 1941-02-21 1941-12-30 Stacked capacitor.
CH224763D CH224763A (en) 1941-02-21 1942-02-03 Display device for fuses.
CH225569D CH225569A (en) 1941-02-21 1942-02-16 Tab for card files.

Country Status (4)

Country Link
BE (1) BE444581A (en)
CH (4) CH224768A (en)
FR (1) FR879522A (en)
NL (1) NL57565C (en)

Also Published As

Publication number Publication date
CH224768A (en) 1942-12-15
FR879522A (en) 1943-02-25
CH225569A (en) 1943-02-15
CH224763A (en) 1942-12-15
BE444581A (en)
NL57565C (en) 1900-01-01

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