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
ES374816A1 ES374816A ES374816A ES374816A1 ES 374816 A1 ES374816 A1 ES 374816A1 ES 374816 A ES374816 A ES 374816A ES 374816 A ES374816 A ES 374816A ES 374816 A1 ES374816 A1 ES 374816A1
Authority
ES
Spain
Prior art keywords
produce
liquor
black liquor
sodium
sodium carbonate
Prior art date
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.)
Filing date
Publication date
Application filed by Combustion Engineering Inc filed Critical Combustion Engineering Inc
Publication of ES374816A1 publication Critical patent/ES374816A1/es
Expired legal-status Critical Current

Links

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
US3945880A (en) * 1974-08-05 1976-03-23 Erco Envirotech Ltd. Sodium chloride removal in pulp mill systems
US3954552A (en) * 1974-08-05 1976-05-04 Erco Envirotech Ltd. Removal of sodium chloride from 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

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

Similar Documents

Publication Publication Date Title
ES374816A1 (es) 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.
SE8302245L (sv) Kemikalieatervinning ur massaavlutar
SE303424B (es)
ES392100A1 (es) Metodo para el tratamiento del licor residual que contiene na2 s y na2 co3 procedente de un procedimiento de pulpacion al polisulfuro.
SE7900474L (sv) Forfarande for behandling av avfallsslagg
GB785561A (en) Regeneration of ammonia-sulphur dioxide cooking acid used in production of wood pulp
US2909407A (en) Method in the recovery of alkali and sulphur by carbonization of melt soda solutions obtained in the manufacture of cellulose
EP0049831A3 (en) Process for the precipitation of lignosulfonate from waste sulfite liquor
GB1077324A (en) Improved method for the regeneration of cooking liquor from waste liquor obtained from cooking cellulose containing fibre materials
ES400063A1 (es) Procedimiento para extraer dioxido de azufre de un gas que lo contiene.
ES422905A1 (es) Procedimiento para la recuperacion de mercurio desde gases.
GB784650A (en) Recovery of cooking liquor from spent soda pulping liquors
NO762084L (es)
Giro Carbonation of spent monosulphite pulping liquors
JPS5220660A (en) Treatment method of waste liquor of fiber industry containing sulfuric acid root
JPS51112774A (en) Apparatus for treatment of exhaust gas from oxidation of pulp black li quor
GB965162A (en) Recovery of sodium carbonate from waste liquors
GB1106934A (en) Improved process for the treatment of residual acid liquors
ES440213A1 (es) Un procedimiento de tratamiento de un agua residual.
GB1131354A (en) Improvements relating to the treatment of inorganic dust
ES8702510A1 (es) Procedimiento para recuperar uranio de una sola solucion de carbonatos que contiene iones de dicho metal.
ES311273A1 (es) Un procedimiento para producir pasta blanqueada de material celulosico.
Vos et al. Manufacture of cellulosic products
SE8204500L (sv) Extraktion av arsenik i losning i vetskor innehallande alkalimetallkarbonat, -sulfat och eventuellt -hydroxid samt minst en av metallerna vanadin, uran och molybden
ES365621A1 (es) Procedimiento para la recuperacion de dioxido de azufre a partir de un gas.