ES374816A1 - Perfeccionamientos en el sistema de tratar y recuperar sus-tancias quimicas procedentes de licor negro que con tienen sulfuro de sodio para la elaboracion de pulpa. - Google Patents

Perfeccionamientos en el sistema de tratar y recuperar sus-tancias quimicas procedentes de licor negro que con tienen sulfuro de sodio para la elaboracion de pulpa.

Info

Publication number: ES374816A1
Authority: ES; Spain
Prior art keywords: produce; liquor; black liquor; sodium; sodium carbonate
Prior art date: 1968-12-27
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

ES374816A

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.)

Combustion Engineering Inc

Original Assignee

Combustion Engineering Inc

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.)

1968-12-27

Filing date

1969-12-22

Publication date

1972-01-16

1969-12-22 Application filed by Combustion Engineering Inc filed Critical Combustion Engineering Inc

1972-01-16 Publication of ES374816A1 publication Critical patent/ES374816A1/es

Status Expired legal-status Critical Current

Links

239000000126 substance Substances 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 2
238000011084 recovery Methods 0.000 title abstract 2
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 title 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 8
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 4
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 abstract 4
229910000029 sodium carbonate Inorganic materials 0.000 abstract 4
GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 abstract 3
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 2
239000001569 carbon dioxide Substances 0.000 abstract 2
229910002092 carbon dioxide Inorganic materials 0.000 abstract 2
230000004927 fusion Effects 0.000 abstract 2
229910000037 hydrogen sulfide Inorganic materials 0.000 abstract 2
229910000030 sodium bicarbonate Inorganic materials 0.000 abstract 2
235000017557 sodium bicarbonate Nutrition 0.000 abstract 2
229910052979 sodium sulfide Inorganic materials 0.000 abstract 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
238000010411 cooking Methods 0.000 abstract 1
239000007789 gas Substances 0.000 abstract 1
VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 abstract 1
238000004537 pulping Methods 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
- 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
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor

Landscapes

Paper (AREA)

ES374816A 1968-12-27 1969-12-22 Perfeccionamientos en el sistema de tratar y recuperar sus-tancias quimicas procedentes de licor negro que con tienen sulfuro de sodio para la elaboracion de pulpa. Expired ES374816A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US78734768A	1968-12-27	1968-12-27

Publications (1)

Publication Number	Publication Date
ES374816A1 true ES374816A1 (es)	1972-01-16

Family

ID=25141184

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES374816A Expired ES374816A1 (es)	1968-12-27	1969-12-22	Perfeccionamientos en el sistema de tratar y recuperar sus-tancias quimicas procedentes de licor negro que con tienen sulfuro de sodio para la elaboracion de pulpa.

Country Status (4)

Country	Link
US (1)	US3560329A (es)
BR (1)	BR6912462D0 (es)
ES (1)	ES374816A1 (es)
FR (1)	FR2027224A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110054334A (zh) *	2018-01-18	2019-07-26	金东纸业（江苏）股份有限公司	一种制浆废液的预处理系统

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS523232B1 (es) *	1970-06-06	1977-01-26
US3912577A (en) *	1970-06-26	1975-10-14	Nittetsu Chem Eng	Method and apparatus for treatment of liquid wastes
US3909344A (en) *	1973-12-03	1975-09-30	Erco Envirotech Ltd	Removal of sodium chloride from pulp mill operations
US4162187A (en) *	1974-05-09	1979-07-24	The Mead Corporation	Process for production of sodium thiosulfate and sodium hydroxide
US3954552A (en) *	1974-08-05	1976-05-04	Erco Envirotech Ltd.	Removal of sodium chloride from pulp mill systems
US3945880A (en) *	1974-08-05	1976-03-23	Erco Envirotech Ltd.	Sodium chloride removal in pulp mill systems
US3959068A (en) *	1974-10-24	1976-05-25	The Babcock & Wilcox Company	Process and apparatus for recovery of sulfur from a polysulfide pulping operation
US4007082A (en) *	1975-08-15	1977-02-08	Hooker Chemicals & Plastics Corporation	Kraft mill recovery system
US3996097A (en) *	1975-08-15	1976-12-07	Hooker Chemicals & Plastics Corporation	Kraft mill recovery system
SE407244B (sv) *	1976-02-05	1979-03-19	Mo Och Domsjoe Ab	Forfarande for framstellning av cellulosamassa av lovved i tva steg
US4153502A (en) *	1977-05-06	1979-05-08	Corrosion Service Company Limited	Process for the production of polysulphide pulping liquor from pulp mill recovery smelt
US5360513A (en) *	1992-02-13	1994-11-01	A. Ahlstrom Corporation	Sulphur removal from gases associated with boilers having cascade evaporators
EP2592186A1 (en)	2011-11-08	2013-05-15	Södra Cell AB	Kraft pulping process

1968
- 1968-12-27 US US787347A patent/US3560329A/en not_active Expired - Lifetime
1969
- 1969-09-16 BR BR212462/69A patent/BR6912462D0/pt unknown
- 1969-12-22 ES ES374816A patent/ES374816A1/es not_active Expired
- 1969-12-26 FR FR6945078A patent/FR2027224A1/fr not_active Withdrawn

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110054334A (zh) *	2018-01-18	2019-07-26	金东纸业（江苏）股份有限公司	一种制浆废液的预处理系统
CN110054334B (zh) *	2018-01-18	2021-11-23	金东纸业（江苏）股份有限公司	一种制浆废液的预处理系统

Also Published As

Publication number	Publication date
BR6912462D0 (pt)	1973-01-09
US3560329A (en)	1971-02-02
FR2027224A1 (es)	1970-09-25

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