GB1495029A - Treatment of waste paper - Google Patents

Treatment of waste paper

Info

Publication number
GB1495029A
GB1495029A GB1326175A GB1326175A GB1495029A GB 1495029 A GB1495029 A GB 1495029A GB 1326175 A GB1326175 A GB 1326175A GB 1326175 A GB1326175 A GB 1326175A GB 1495029 A GB1495029 A GB 1495029A
Authority
GB
United Kingdom
Prior art keywords
paper
organisms
micro
waste
treatment
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
GB1326175A
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.)
MUMFORD C
Original Assignee
MUMFORD C
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 MUMFORD C filed Critical MUMFORD C
Priority to GB1326175A priority Critical patent/GB1495029A/en
Publication of GB1495029A publication Critical patent/GB1495029A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Fertilizers (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

1495029 Cultivating bacteria &c on paper waste C MUMFORD 23 June 1976 [1 April 1975] 13261/75 Heading C6F [Also in Division D2] A method of rendering vegetable and other parchmentized paper waste suitable for recycling involves shredding the paper waste, fermentatively degrading the shredded waste in an aqueous medium by cellulose-digesting micro-organisms or cellulolytic enzymes derived therefrom, recovering the weakened, digested paper from the treatment tank, as by a power conveyer, and collecting on a vacuum filter the protein-containing microbial mass produced. The micro-organisms employed may be naturally occurring strains from lakes, ponds, rivers, aquaria or soil, or mutants thereof. Sporocytophaga and Clostridium are among the genera (and species) particularly mentioned. The requisite nutrients for the cultivation may be added in the form of a specified proprietary agricultural fertilizer. The nitrogen requirements may be supplied by the propagation in the culture medium of nitrogen-fixing bacteria (Azotobacter). Where enzymes per se are to be employed, they may be secured by filtering a suspension of whole or crushed microbial cells, e.g. of Aspergillus niger. The usual enzyme is cellulase, #-1,4-glucan-4-glucan hydrolase. The treatment tank may be lined with polyethylene. The digested paper after treatment with sodium hypochlorite solution to kill off any micro-organisms, is added to other paper-making pulp in a conventional paper-making plant in a proportion of 10 or 20 wt. per cent.
GB1326175A 1976-06-23 1976-06-23 Treatment of waste paper Expired GB1495029A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1326175A GB1495029A (en) 1976-06-23 1976-06-23 Treatment of waste paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1326175A GB1495029A (en) 1976-06-23 1976-06-23 Treatment of waste paper

Publications (1)

Publication Number Publication Date
GB1495029A true GB1495029A (en) 1977-12-14

Family

ID=10019757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1326175A Expired GB1495029A (en) 1976-06-23 1976-06-23 Treatment of waste paper

Country Status (1)

Country Link
GB (1) GB1495029A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604198A1 (en) * 1986-09-22 1988-03-25 Du Pin Cellulose PROCESS FOR TREATING A PAPER PULP BY AN ENZYMATIC SOLUTION
EP0291142A1 (en) * 1987-04-13 1988-11-17 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno A method of obtaining usable fibrous material with the aid of micro-organisms from paper and particularly laminated paper
EP0382259A2 (en) * 1989-02-10 1990-08-16 Ajinomoto Co., Inc. A complex of a fibrous material and fungi and a process for its preparation
FR2701275A1 (en) * 1993-02-09 1994-08-12 Sibille Rech Process and installation for the recovery of cellulosic fibers of paper origin, and paper obtained from such recovered fibers.
FR2756571A1 (en) * 1996-12-02 1998-06-05 Creca Preparing packaging materials
WO2007012322A1 (en) * 2005-07-29 2007-02-01 Schaell Paul Method and plant for anaerobic treatment of effluent containing cellular materials

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604198A1 (en) * 1986-09-22 1988-03-25 Du Pin Cellulose PROCESS FOR TREATING A PAPER PULP BY AN ENZYMATIC SOLUTION
EP0262040A1 (en) * 1986-09-22 1988-03-30 La Cellulose Du Pin Process for treating a paper pulp with an enzymatic solution
EP0291142A1 (en) * 1987-04-13 1988-11-17 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno A method of obtaining usable fibrous material with the aid of micro-organisms from paper and particularly laminated paper
EP0382259A2 (en) * 1989-02-10 1990-08-16 Ajinomoto Co., Inc. A complex of a fibrous material and fungi and a process for its preparation
EP0382259A3 (en) * 1989-02-10 1991-12-18 Ajinomoto Co., Inc. A complex of a fibrous material and fungi and a process for its preparation
FR2701275A1 (en) * 1993-02-09 1994-08-12 Sibille Rech Process and installation for the recovery of cellulosic fibers of paper origin, and paper obtained from such recovered fibers.
EP0611205A1 (en) * 1993-02-09 1994-08-17 Sibille Recherche Process and plant for the recovery of cellulosic fibres from waste paper, and paper obtained with these fibres
FR2756571A1 (en) * 1996-12-02 1998-06-05 Creca Preparing packaging materials
WO2007012322A1 (en) * 2005-07-29 2007-02-01 Schaell Paul Method and plant for anaerobic treatment of effluent containing cellular materials

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee