ES424741A1 - Procedimiento para la oxidacion de licor a base de sosa y de sulfuro de sodio utilizado en la fabricacion de la pasta de papel. - Google Patents

Procedimiento para la oxidacion de licor a base de sosa y de sulfuro de sodio utilizado en la fabricacion de la pasta de papel.

Info

Publication number: ES424741A1
Authority: ES; Spain
Prior art keywords: sodium; oxidation; manufacture; paper pulp; procedure
Prior art date: 1973-03-28
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

ES424741A

Other languages

English (en)

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.)

Europeen Cellulose

Groupement Europeen de la Cellulose

Original Assignee

Europeen Cellulose

Groupement Europeen de la Cellulose

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.)

1973-03-28

Filing date

1974-03-28

Publication date

1976-06-01

1974-03-28 Application filed by Europeen Cellulose, Groupement Europeen de la Cellulose filed Critical Europeen Cellulose

1976-06-01 Publication of ES424741A1 publication Critical patent/ES424741A1/es

Status Expired legal-status Critical Current

Links

229920001131 Pulp (paper) Polymers 0.000 title abstract 2
238000004519 manufacturing process Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
230000003647 oxidation Effects 0.000 title abstract 2
238000007254 oxidation reaction Methods 0.000 title abstract 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title 1
229910052708 sodium Inorganic materials 0.000 title 1
239000011734 sodium Substances 0.000 title 1
229910052979 sodium sulfide Inorganic materials 0.000 title 1
GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 title 1
239000002699 waste material Substances 0.000 abstract 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

Landscapes

Paper (AREA)

ES424741A 1973-03-28 1974-03-28 Procedimiento para la oxidacion de licor a base de sosa y de sulfuro de sodio utilizado en la fabricacion de la pasta de papel. Expired ES424741A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7311209A FR2223504B1 (es)	1973-03-28	1973-03-28

Publications (1)

Publication Number	Publication Date
ES424741A1 true ES424741A1 (es)	1976-06-01

Family

ID=9117012

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES424741A Expired ES424741A1 (es)	1973-03-28	1974-03-28	Procedimiento para la oxidacion de licor a base de sosa y de sulfuro de sodio utilizado en la fabricacion de la pasta de papel.

Country Status (5)

Country	Link
US (1)	US4073727A (es)
BR (1)	BR7402290D0 (es)
CA (1)	CA1001364A (es)
ES (1)	ES424741A1 (es)
FR (1)	FR2223504B1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5061377A (en) *	1989-07-25	1991-10-29	Canadian Liquid Air Ltd./Air Liquide Canada	Pipeline reactor and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2690425A (en) *	1950-03-23	1954-09-28	Du Pont	Waste disposal process
US2774585A (en) *	1953-08-17	1956-12-18	John J Wirts	Apparatus for purifying liquid materials
US3178260A (en) *	1961-03-02	1965-04-13	Papel Loreto & Pena Pobre	Method for the oxidation of black liquor
US3207572A (en) *	1961-09-12	1965-09-21	Ass Pulp & Paper Mills	Wet combustion of waste liquors
US3545731A (en) *	1966-11-08	1970-12-08	Gen Dynamics Corp	Apparatus for producing bubbles of very small,microscopic size
US3696929A (en) *	1970-11-27	1972-10-10	Chemical Construction Corp	Apparatus for the oxidation of liquids

1973
- 1973-03-28 FR FR7311209A patent/FR2223504B1/fr not_active Expired
1974
- 1974-03-20 US US05/453,046 patent/US4073727A/en not_active Expired - Lifetime
- 1974-03-22 BR BR2290/74A patent/BR7402290D0/pt unknown
- 1974-03-26 CA CA195,972A patent/CA1001364A/en not_active Expired
- 1974-03-28 ES ES424741A patent/ES424741A1/es not_active Expired

Also Published As

Publication number	Publication date
FR2223504B1 (es)	1975-10-31
BR7402290D0 (pt)	1974-11-19
CA1001364A (en)	1976-12-14
US4073727A (en)	1978-02-14
FR2223504A1 (es)	1974-10-25

Similar Documents

Publication	Publication Date	Title
NO141660C (no)	1980-04-16	Vireduk for papirfremstilling.
CA1003676A (en)	1977-01-18	Process for the manufacture of paper pulp from waste paper
IT1020150B (it)	1977-12-20	Spappolatore di cartaccia
NO141659C (no)	1980-04-16	Massepaaloep for papirmaskin.
NO142205C (no)	1980-07-16	Apparat for gjennomhulling av papirark.
SE389086B (sv)	1976-10-25	Behallare for pappersrullar
ES424741A1 (es)	1976-06-01	Procedimiento para la oxidacion de licor a base de sosa y de sulfuro de sodio utilizado en la fabricacion de la pasta de papel.
BE810468A (fr)	1974-07-31	Procede ameliore de blanchiment de la pate a papier
NO137909C (no)	1978-05-16	Avstrykerblad ("foil") for papirmaskiner
CA980513A (en)	1975-12-30	Bleaching of waste paper pulp
AT338613B (de)	1977-09-12	Leimungsmittel fur papier
SE401534B (sv)	1978-05-16	Meldinlopp for pappersmaskiner
BR7107414D0 (pt)	1973-02-27	Processo de purgacao de digestor de polpa de papel
AU4251072A (en)	1973-11-22	Paper, pulp and pulping process
ES221400Y (es)	1977-03-01	Contenedor-suministrador de hojas de papel.
MX146729A (es)	1982-08-04	Mejoras en sistema de suministro de pasta de papel a una maquina para la fabricacion de papel
NO141219C (no)	1980-01-30	Massepaaloep for papirmaskin.
SU521047A1 (ru)	1976-07-15	Штамп дл обработки листового материала
FI52880C (fi)	1977-12-12	Tissuepaperikone.
NO741270L (no)	1974-10-10	Fremgangsmåte for fremstilling av bleket sulfitmasse.
CH547914A (de)	1974-04-11	Flotationsverfahren zur regenerierung von altpapier.
AR194559A1 (es)	1973-07-23	Procedimiento de tratamiento de la pulpa de papel
ES482868A0 (es)	1980-12-01	Un procedimiento para la produccion de pasta de papel.
AR198764A1 (es)	1974-07-15	Un procedimiento para hacer pasta papelera de material fibroso, celulosico
ES210016U (es)	1976-04-16	Porta rollos de papel higienico.