FR890506A - Process and apparatus for obtaining cellulose by hydrolytic and then biochemical treatment of fibrous cellulosic materials - Google Patents

Process and apparatus for obtaining cellulose by hydrolytic and then biochemical treatment of fibrous cellulosic materials

Info

Publication number
FR890506A
FR890506A FR890506DA FR890506A FR 890506 A FR890506 A FR 890506A FR 890506D A FR890506D A FR 890506DA FR 890506 A FR890506 A FR 890506A
Authority
FR
France
Prior art keywords
hydrolytic
biochemical treatment
cellulosic materials
fibrous cellulosic
obtaining cellulose
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
Other languages
French (fr)
Inventor
Georges Meunier
Philippe Naldi
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 filed Critical
Application granted granted Critical
Publication of FR890506A publication Critical patent/FR890506A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005Treatment of cellulose-containing material with microorganisms or enzymes
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/22Processes using, or culture media containing, cellulose or hydrolysates thereof
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00Preparation of oxygen-containing organic compounds
    • C12P7/02Preparation of oxygen-containing organic compounds containing a hydroxy group
    • C12P7/04Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
    • C12P7/06Ethanol, i.e. non-beverage
    • C12P7/08Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
    • C12P7/10Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Virology (AREA)
  • Medicinal Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
FR890506D 1942-07-22 1942-07-22 Process and apparatus for obtaining cellulose by hydrolytic and then biochemical treatment of fibrous cellulosic materials Expired FR890506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR890506T 1942-07-22

Publications (1)

Publication Number Publication Date
FR890506A true FR890506A (en) 1944-02-10

Family

ID=9380803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890506D Expired FR890506A (en) 1942-07-22 1942-07-22 Process and apparatus for obtaining cellulose by hydrolytic and then biochemical treatment of fibrous cellulosic materials

Country Status (1)

Country Link
FR (1) FR890506A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756571A1 (en) * 1996-12-02 1998-06-05 Creca Preparing packaging materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756571A1 (en) * 1996-12-02 1998-06-05 Creca Preparing packaging materials

Similar Documents

Publication Publication Date Title
CH241113A (en) Preparation for the treatment of fibers containing keratin.
FR890506A (en) Process and apparatus for obtaining cellulose by hydrolytic and then biochemical treatment of fibrous cellulosic materials
FR941668A (en) Impregnation process for the treatment of fibrous materials
FR888915A (en) Process for the desulphation of coagulation baths for viscose spinning
FR950907A (en) Process for the treatment of cellulosic material containing lignin
CH255109A (en) Process for treating vegetable matter to obtain paper pulp.
FR882150A (en) Process for the improvement of fibrous substances
FR904199A (en) Process for the treatment of fibers and fibrous materials
FR897561A (en) Process for the additional treatment of waste from viscose spinning baths
FR896197A (en) Process for obtaining mixed esters of cellulose
FR895726A (en) Method and apparatus for the preparation of highly concentrated alkaline liquors
FR950906A (en) Improved process and apparatus for the manufacture of pulp from cellulosic materials
FR55582E (en) Process and apparatus for obtaining acetone from pyroligneous juices
FR977059A (en) Process and apparatus for obtaining acetone from pyroligneous juices
FR979968A (en) Wood pre-treatment process for the preparation of wood pulp
FR891589A (en) Process for the continuous treatment of cellulose to give spinning solutions
FR896987A (en) Process for preparing alkali cellulose
FR935375A (en) Process for processing cellulosic pulps for the preparation of viscose and resulting product
FR889492A (en) Process for preparing reeds for obtaining spinnable fibers
FR887308A (en) Process for scouring fibrous materials or cellulose
FR874381A (en) Process for obtaining pure cellulose
FR899905A (en) Process to slow down the maturation of alkali-cellulose
FR891577A (en) Process for alkalinizing cellulose
FR1001894A (en) Process for the treatment of cellulosic fibers with alkaline agents
FR971352A (en) Process for using the emissive properties of certain substances to exert anti-crystallizing, sterilizing or activating actions, and applications of said process