GB1495029A - Treatment of waste paper - Google Patents
Treatment of waste paperInfo
- 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
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.
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)
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 |
-
1976
- 1976-06-23 GB GB1326175A patent/GB1495029A/en not_active Expired
Cited By (9)
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 |