CA1138697A - Production of mechanical wood pulp - Google Patents

Production of mechanical wood pulp

Info

Publication number: CA1138697A
Authority: CA; Canada
Prior art keywords: liquid; water; boiling point; wood; wood pulp
Prior art date: 1979-01-19
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

CA000343955A

Other languages

English (en)

French (fr)

Inventor

Theodor Bahr

Siegbert Fischer

Werner Lorenz

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.)

JM Voith GmbH

Original Assignee

JM Voith GmbH

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.)

1979-01-19

Filing date

1980-01-18

Publication date

1983-01-04

1980-01-18 Application filed by JM Voith GmbH filed Critical JM Voith GmbH

1983-01-04 Application granted granted Critical

1983-01-04 Publication of CA1138697A publication Critical patent/CA1138697A/en

Status Expired legal-status Critical Current

Links

229920001131 Pulp (paper) Polymers 0.000 title claims description 10
238000004519 manufacturing process Methods 0.000 title description 4
239000007788 liquid Substances 0.000 claims abstract description 22
238000000034 method Methods 0.000 claims abstract description 17
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
238000009835 boiling Methods 0.000 claims abstract description 9
239000002023 wood Substances 0.000 claims abstract description 8
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 7
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical group [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
239000011780 sodium chloride Substances 0.000 claims description 4
GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical group [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 4
239000000203 mixture Substances 0.000 claims description 3
229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
235000011152 sodium sulphate Nutrition 0.000 claims description 2
235000010265 sodium sulphite Nutrition 0.000 claims description 2
150000003839 salts Chemical class 0.000 claims 4
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
239000004131 EU approved raising agent Substances 0.000 claims 1
238000004537 pulping Methods 0.000 claims 1
WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
229920005610 lignin Polymers 0.000 description 3
235000002639 sodium chloride Nutrition 0.000 description 3
BBMCTIGTTCKYKF-UHFFFAOYSA-N 1-heptanol Chemical compound CCCCCCCO BBMCTIGTTCKYKF-UHFFFAOYSA-N 0.000 description 2
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
238000001816 cooling Methods 0.000 description 2
206010037660 Pyrexia Diseases 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
235000019445 benzyl alcohol Nutrition 0.000 description 1
239000007767 bonding agent Substances 0.000 description 1
239000000835 fiber Substances 0.000 description 1
239000012634 fragment Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000004575 stone Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Wood Science & Technology (AREA)
Mechanical Engineering (AREA)
Paper (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Switches With Compound Operations (AREA)
Manufacturing Of Electric Cables (AREA)

CA000343955A 1979-01-19 1980-01-18 Production of mechanical wood pulp Expired CA1138697A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEP2901943.0		1979-01-19
DE2901943A DE2901943C3 (de)	1979-01-19	1979-01-19	Verfahren zur Herstellung von Holzschliff

Publications (1)

Publication Number	Publication Date
CA1138697A true CA1138697A (en)	1983-01-04

Family

ID=6060895

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000343955A Expired CA1138697A (en)	1979-01-19	1980-01-18	Production of mechanical wood pulp

Country Status (15)

Country	Link
JP (1)	JPS5598986A (de)
AT (1)	AT371164B (de)
BE (1)	BE881180A (de)
BR (1)	BR5901751U (de)
CA (1)	CA1138697A (de)
CH (1)	CH645145A5 (de)
DE (1)	DE2901943C3 (de)
ES (1)	ES8102236A1 (de)
FI (1)	FI800123A7 (de)
FR (1)	FR2446885A1 (de)
GB (1)	GB2040727A (de)
IT (1)	IT1119612B (de)
NL (1)	NL7909076A (de)
NO (1)	NO150728C (de)
SE (1)	SE8000440L (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN109112872B (zh) *	2018-10-25	2023-12-05	厦门中乾机械有限公司	一种多功能的制浆机
EP4232248A1 (de) *	2020-10-25	2023-08-30	Smartech The Industry Pivot Ltd.	Verbesserte verwendung von mdi in holzwerkstoffen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE211047C (de) *
DE397183C (de) *	1923-06-19	1924-06-16	Leopold Enge	Verfahren zur Erzeugung von Holzschliff fuer die Papierfabrikation
DE504705C (de) *	1928-06-24	1930-08-07	Chemische Werke Koholyt A G	Verfahren zur Herstellung und Verarbeitung von Holzschliff und anderen Faserprodukten
US1813988A (en) *	1929-01-16	1931-07-14	Allison R Chambers	Process for the manufacture of ground wood pulp
DE682070C (de) *	1937-04-01	1939-10-07	Werner Lange	Verfahren und Vorrichtung zur Herstellung von Holzschliff aus Kiefernholz
DE677504C (de) *	1937-06-29	1939-06-27	Chem Fab Coswig Anhalt Hans Sc	Verfahren zur Herstellung von Holzschliff aus harzreichen Hoelzern, insbesondere Kiefernholz
DE707894C (de) *	1937-09-21	1941-07-07	Tschimmer & Schwarz Chem Fab D	Verfahren zur Herstellung von Holzschliff, insbesondere aus harzreichen Hoelzern
US2388592A (en) *	1940-03-21	1945-11-06	Defibrator Ab	Process of making ligno-cellulose pulps from straw
GB765690A (en) *	1954-01-27	1957-01-09	Powell River Company Ltd	Improvements in or relating to a process of producing groundwood pulp
FR1401560A (fr) *	1964-05-29	1965-06-04	Defibrator Ab	Procédé de fabrication de pâtes cellulosiques à partir de copeaux dans un appareil défibreur

1979
- 1979-01-19 DE DE2901943A patent/DE2901943C3/de not_active Expired
- 1979-12-03 AT AT0762679A patent/AT371164B/de not_active IP Right Cessation
- 1979-12-17 NL NL7909076A patent/NL7909076A/nl not_active Application Discontinuation
- 1979-12-18 BR BR5901751U patent/BR5901751U/pt unknown
- 1979-12-21 IT IT69466/79A patent/IT1119612B/it active
1980
- 1980-01-09 GB GB8000646A patent/GB2040727A/en not_active Withdrawn
- 1980-01-10 CH CH15180A patent/CH645145A5/de not_active IP Right Cessation
- 1980-01-14 FR FR8000948A patent/FR2446885A1/fr not_active Withdrawn
- 1980-01-15 FI FI800123A patent/FI800123A7/fi not_active Application Discontinuation
- 1980-01-16 BE BE0/198988A patent/BE881180A/fr not_active IP Right Cessation
- 1980-01-18 JP JP375480A patent/JPS5598986A/ja active Pending
- 1980-01-18 NO NO800125A patent/NO150728C/no unknown
- 1980-01-18 CA CA000343955A patent/CA1138697A/en not_active Expired
- 1980-01-18 ES ES487815A patent/ES8102236A1/es not_active Expired
- 1980-01-18 SE SE8000440A patent/SE8000440L/ unknown

Also Published As

Publication number	Publication date
CH645145A5 (de)	1984-09-14
AT371164B (de)	1983-06-10
BR5901751U (pt)	1981-06-16
DE2901943A1 (de)	1980-07-24
IT1119612B (it)	1986-03-10
ES487815A0 (es)	1980-12-16
SE8000440L (sv)	1980-07-20
GB2040727A (en)	1980-09-03
DE2901943C3 (de)	1982-02-25
DE2901943B2 (de)	1981-06-25
NO150728C (no)	1984-12-05
FI800123A7 (fi)	1981-01-01
ATA762679A (de)	1982-10-15
IT7969466A0 (it)	1979-12-21
FR2446885A1 (fr)	1980-08-14
NL7909076A (nl)	1980-07-22
ES8102236A1 (es)	1980-12-16
JPS5598986A (en)	1980-07-28
NO800125L (no)	1980-07-21
NO150728B (no)	1984-08-27
BE881180A (fr)	1980-05-16

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Legal Events

Date	Code	Title	Description
2000-01-04	MKEX	Expiry