DD147784A3 - Verfahren zur herstellung von zellstoff aus stroh - Google Patents

Verfahren zur herstellung von zellstoff aus stroh Download PDF

Info

Publication number: DD147784A3
Authority: DD; German Democratic Republic
Prior art keywords: straw; pulp; oxygen; sodium carbonate; digestion
Prior art date: 1978-12-14

Application number

DD20974478A

Other languages

German (de)

English (en)

Inventor

Pal Lengyel

Christian Bergner

Guenther Magister

Original Assignee

Lengyel Veronika P B

Lengyel Janos

Lengyel Laszlo

Christian Bergner

Guenther Magister

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.)

1978-12-14

Filing date

1978-12-14

Publication date

1981-04-22

1978-12-14 Application filed by Lengyel Veronika P B, Lengyel Janos, Lengyel Laszlo, Christian Bergner, Guenther Magister filed Critical Lengyel Veronika P B

1978-12-14 Priority to DD20974478A priority Critical patent/DD147784A3/de

1979-09-13 Priority to HUPA001363 priority patent/HU181468B/hu

1979-11-14 Priority to SU797770922A priority patent/SU1035110A1/ru

1979-12-06 Priority to DE19792949023 priority patent/DE2949023A1/de

1979-12-08 Priority to RO9948579A priority patent/RO77555A/fr

1979-12-14 Priority to FR7930762A priority patent/FR2444049A1/fr

1981-04-22 Publication of DD147784A3 publication Critical patent/DD147784A3/de

Links

239000010902 straw Substances 0.000 title claims abstract description 20
238000000034 method Methods 0.000 title claims abstract description 18
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 17
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
239000001301 oxygen Substances 0.000 claims abstract description 8
229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 8
239000000203 mixture Substances 0.000 claims abstract description 5
238000004519 manufacturing process Methods 0.000 claims abstract description 3
239000011734 sodium Substances 0.000 claims description 10
241001460678 Napo <wasp> Species 0.000 claims description 2
239000007858 starting material Substances 0.000 claims description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
230000029087 digestion Effects 0.000 abstract description 10
239000003513 alkali Substances 0.000 abstract description 6
239000003795 chemical substances by application Substances 0.000 abstract description 3
239000000835 fiber Substances 0.000 abstract 1
241000209140 Triticum Species 0.000 description 7
235000021307 Triticum Nutrition 0.000 description 7
239000007864 aqueous solution Substances 0.000 description 5
230000000052 comparative effect Effects 0.000 description 5
229910052708 sodium Inorganic materials 0.000 description 5
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
239000000084 colloidal system Substances 0.000 description 2
238000010411 cooking Methods 0.000 description 2
239000007789 gas Substances 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
230000001681 protective effect Effects 0.000 description 2
229910021653 sulphate ion Inorganic materials 0.000 description 2
239000002351 wastewater Substances 0.000 description 2
229920003043 Cellulose fiber Polymers 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
241000050617 Papilio paris Species 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
235000002017 Zea mays subsp mays Nutrition 0.000 description 1
241000482268 Zea mays subsp. mays Species 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
230000009965 odorless effect Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000000243 solution Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
239000002699 waste material Substances 0.000 description 1
239000002023 wood Substances 0.000 description 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

DD20974478A 1978-12-14 1978-12-14 Verfahren zur herstellung von zellstoff aus stroh DD147784A3 (de)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
DD20974478A DD147784A3 (de)	1978-12-14	1978-12-14	Verfahren zur herstellung von zellstoff aus stroh
HUPA001363 HU181468B (en)	1978-12-14	1979-09-13	Method for producing straw-pulp
SU797770922A SU1035110A1 (ru)	1978-12-14	1979-11-14	Способ получени целлюлозы
DE19792949023 DE2949023A1 (de)	1978-12-14	1979-12-06	Verfahren zur herstellung von zellstoff aus stroh
RO9948579A RO77555A (fr)	1978-12-14	1979-12-08	Procede pour la fabrication de la cellulose de pailles
FR7930762A FR2444049A1 (fr)	1978-12-14	1979-12-14	Procede de fabrication de cellulose a paritr de la paille

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DD20974478A DD147784A3 (de)	1978-12-14	1978-12-14	Verfahren zur herstellung von zellstoff aus stroh

Publications (1)

Publication Number	Publication Date
DD147784A3 true DD147784A3 (de)	1981-04-22

Family

ID=5515818

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD20974478A DD147784A3 (de)	1978-12-14	1978-12-14	Verfahren zur herstellung von zellstoff aus stroh

Country Status (6)

Country	Link
DD (1)	DD147784A3 (fr)
DE (1)	DE2949023A1 (fr)
FR (1)	FR2444049A1 (fr)
HU (1)	HU181468B (fr)
RO (1)	RO77555A (fr)
SU (1)	SU1035110A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DD154451A3 (de) *	1980-05-12	1982-03-24	Mihalne Atomyr	Verfahren zur herstellung von zellstoff aus einjahrespflanzen,insbesondere stroh

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1004854A (fr) *	1947-05-23	1952-04-03		Procédé de traitement de plantes pour l'obtention de pâte à papier ou de produits similaires
JPS5622991B2 (fr) *	1973-05-01	1981-05-28

1978
- 1978-12-14 DD DD20974478A patent/DD147784A3/de not_active IP Right Cessation
1979
- 1979-09-13 HU HUPA001363 patent/HU181468B/hu unknown
- 1979-11-14 SU SU797770922A patent/SU1035110A1/ru active
- 1979-12-06 DE DE19792949023 patent/DE2949023A1/de not_active Withdrawn
- 1979-12-08 RO RO9948579A patent/RO77555A/fr unknown
- 1979-12-14 FR FR7930762A patent/FR2444049A1/fr active Granted

Also Published As

Publication number	Publication date
SU1035110A1 (ru)	1983-08-15
FR2444049B1 (fr)	1984-09-07
DE2949023A1 (de)	1980-07-03
HU181468B (en)	1983-07-28
FR2444049A1 (fr)	1980-07-11
RO77555A (fr)	1982-02-01

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Legal Events

Date	Code	Title	Description
1995-12-21	ENJ	Ceased due to non-payment of renewal fee