AU475331B2 - Paper, pulp and pulping process - Google Patents

Paper, pulp and pulping process

Info

Publication number: AU475331B2
Authority: AU; Australia
Prior art keywords: pulp; paper; pulping process; pulping
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

AU42510/72A

Other versions

AU4251072A (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

1972-05-19

Publication date

1976-08-19

1972-05-19 Application filed by Process Evaluation and Development Corp filed Critical Process Evaluation and Development Corp

1973-11-22 Publication of AU4251072A publication Critical patent/AU4251072A/en

1976-08-19 Application granted granted Critical

1976-08-19 Publication of AU475331B2 publication Critical patent/AU475331B2/en

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title 1
238000004537 pulping Methods 0.000 title 1

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)

AU42510/72A 1971-06-01 1972-05-19 Paper, pulp and pulping process Expired AU475331B2 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date
US14900071A	1971-06-01	1971-06-01
USUS149,000		1971-06-01
USUS220390		1972-01-24
USUS236589		1972-03-21

Publications (2)

Publication Number	Publication Date
AU4251072A AU4251072A (en)	1973-11-22
AU475331B2 true AU475331B2 (en)	1976-08-19

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 Before (1)

Application Number	Title	Priority Date	Filing Date
AU42450/72A Expired AU474222B2 (en)	1971-06-01	1972-05-18	Preparation of paper pulp

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1982001901A1 (en) *	1980-11-25	1982-06-10	Barker Gordon J	Reutilization of spent pulping liquors

Families Citing this family (5)

* 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
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
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

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 ES ES403376A patent/ES403376A1/en not_active Expired
- 1972-05-31 FR FR7219543A patent/FR2154407B1/fr not_active Expired
- 1972-06-01 JP JP5385472A patent/JPS5539678B1/ja active Pending
- 1972-06-26 PH PH13571*UA patent/PH9628A/en unknown

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1982001901A1 (en) *	1980-11-25	1982-06-10	Barker Gordon J	Reutilization of spent pulping liquors

Also Published As

Publication number	Publication date
PH9628A (en)	1976-01-20
EG10779A (en)	1976-05-31
ES403376A1 (en)	1975-04-16
FR2154407A1 (en)	1973-05-11
AU474222B2 (en)	1976-07-15
AU4251072A (en)	1973-11-22
AU4245072A (en)	1973-11-22
US3738908A (en)	1973-06-12
JPS5539678B1 (en)	1980-10-13
BR7203417D0 (en)	1973-07-19
FR2154407B1 (en)	1974-01-04
BR7203416D0 (en)	1973-07-19

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