AU474222B2 - Preparation of paper pulp - Google Patents

Preparation of paper pulp

Info

Publication number: AU474222B2
Authority: AU; Australia
Prior art keywords: preparation; paper pulp; pulp; paper
Prior art date: 1971-06-01
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

AU42450/72A

Other versions

AU4245072A (en

Inventor

Joel Villavicencio Eduardo

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.)

Process Evaluation and Development Corp

Original Assignee

Process Evaluation and Development Corp

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.)

1971-06-01

Filing date

1972-05-18

Publication date

1976-07-15

1972-05-18 Application filed by Process Evaluation and Development Corp filed Critical Process Evaluation and Development Corp

1973-11-22 Publication of AU4245072A publication Critical patent/AU4245072A/en

1976-07-15 Application granted granted Critical

1976-07-15 Publication of AU474222B2 publication Critical patent/AU474222B2/en

Status Expired legal-status Critical Current

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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous processes
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Paper (AREA)

AU42450/72A 1971-06-01 1972-05-18 Preparation of paper pulp Expired AU474222B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US14900071A	1971-06-01	1971-06-01
USUS149,000		1971-06-01

Publications (2)

Publication Number	Publication Date
AU4245072A AU4245072A (en)	1973-11-22
AU474222B2 true AU474222B2 (en)	1976-07-15

Family

ID=22528372

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
AU42450/72A Expired AU474222B2 (en)	1971-06-01	1972-05-18	Preparation of paper pulp
AU42510/72A Expired AU475331B2 (en)	1971-06-01	1972-05-19	Paper, pulp and pulping process

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
AU42510/72A Expired AU475331B2 (en)	1971-06-01	1972-05-19	Paper, pulp and pulping process

Country Status (8)

Country	Link
US (1)	US3738908A (en)
JP (1)	JPS5539678B1 (en)
AU (2)	AU474222B2 (en)
BR (2)	BR7203417D0 (en)
EG (1)	EG10779A (en)
ES (1)	ES403376A1 (en)
FR (1)	FR2154407B1 (en)
PH (1)	PH9628A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3923591A (en) *	1972-03-21	1975-12-02	Process Evaluation Devel	Prehydrolysis and digestion of fibrous lignocellulosic material
ZA75370B (en) *	1974-02-15	1976-01-28	H Funk	Method of treating bagasse
US4199399A (en) *	1976-04-19	1980-04-22	Process Evaluation & Development Corp.	Method for preparing bagasse dissolving pulps and producing rayon having a degree of polymerization of at least 800 therefrom
AU7782181A (en) *	1980-11-25	1982-06-03	Australian Paper Manufacturers Limited	Oxidisation of spent pulp liquor
AT387247B (en) *	1987-05-12	1988-12-27	Voest Alpine Ind Anlagen	COMBINED PROCESS FOR THE THERMAL AND CHEMICAL TREATMENT OF BIOMASS CONTAINING LIGNOCELLULOSE AND FOR THE EXTRACTION OF FURFURAL
AT387408B (en) *	1987-05-12	1989-01-25	Voest Alpine Ind Anlagen	COMBINED METHOD FOR THE THERMAL AND CHEMICAL TREATMENT OF BIOMASS CONTAINING LIGNOCELLULOSE AND FOR THE EXTRACTION OF FURFURAL

1971
- 1971-06-01 US US00149000A patent/US3738908A/en not_active Expired - Lifetime
1972
- 1972-05-18 AU AU42450/72A patent/AU474222B2/en not_active Expired
- 1972-05-19 AU AU42510/72A patent/AU475331B2/en not_active Expired
- 1972-05-29 BR BR003417/72A patent/BR7203417D0/en unknown
- 1972-05-29 BR BR003416/72A patent/BR7203416D0/en unknown
- 1972-05-30 EG EG220/72A patent/EG10779A/en active
- 1972-05-31 FR FR7219543A patent/FR2154407B1/fr not_active Expired
- 1972-05-31 ES ES403376A patent/ES403376A1/en not_active Expired
- 1972-06-01 JP JP5385472A patent/JPS5539678B1/ja active Pending
- 1972-06-26 PH PH13571*UA patent/PH9628A/en unknown

Also Published As

Publication number	Publication date
BR7203416D0 (en)	1973-07-19
JPS5539678B1 (en)	1980-10-13
ES403376A1 (en)	1975-04-16
AU475331B2 (en)	1976-08-19
FR2154407A1 (en)	1973-05-11
US3738908A (en)	1973-06-12
EG10779A (en)	1976-05-31
PH9628A (en)	1976-01-20
FR2154407B1 (en)	1974-01-04
BR7203417D0 (en)	1973-07-19
AU4251072A (en)	1973-11-22
AU4245072A (en)	1973-11-22

Publication	Publication Date	Title
CA1003408A (en)	1977-01-11	Preparation of dipeptide-alkylesters
CA970111A (en)	1975-07-01	Preparation of wood pulp
CA941655A (en)	1974-02-12	Pulp refiners
CA1001808A (en)	1976-12-21	Manufacture of cellulose pulp for paper and paper board
AU474222B2 (en)	1976-07-15	Preparation of paper pulp
CA980513A (en)	1975-12-30	Bleaching of waste paper pulp
CA973662A (en)	1975-09-02	Process for the preparation of mechanical pulps
CA967360A (en)	1975-05-13	Manufacture of printing paper
CA945794A (en)	1974-04-23	Headbox
EG10682A (en)	1976-02-29	Preparation of paper pulp
CA944906A (en)	1974-04-09	Preparation of cellulosic sheet material having improved softness
CA987183A (en)	1976-04-13	Surface sizing of paper
CA955707A (en)	1974-10-08	Production of pulp
CA880656A (en)	1971-09-14	Production of paper
CA960687A (en)	1975-01-07	Preparation of trimethylsilylpropiolate
CA869266A (en)	1971-04-27	Paper formation
CA862446A (en)	1971-02-02	Paper formation
CA876093A (en)	1971-07-20	Preservation of paper
CA877858A (en)	1971-08-10	High opacity paper
CA887407A (en)	1971-12-07	Headbox
AU459607B2 (en)	1973-01-11	Production of synthetic papers
CA886306A (en)	1971-11-23	Paper forming arrangement
CA866838A (en)	1971-03-23	Preparation of di-lithio(perfluoroalkylethylsilyl)-neocarboranes
CA874195A (en)	1971-06-29	Pulper
CA872837A (en)	1971-06-08	Preparation of pentachlorophenol