ES8106950A1 - Un procedimiento mejorado para eliminar la silice de un li- cor de pulpa con laminado con silice. - Google Patents

Un procedimiento mejorado para eliminar la silice de un li- cor de pulpa con laminado con silice.

Info

Publication number
ES8106950A1
ES8106950A1 ES495480A ES495480A ES8106950A1 ES 8106950 A1 ES8106950 A1 ES 8106950A1 ES 495480 A ES495480 A ES 495480A ES 495480 A ES495480 A ES 495480A ES 8106950 A1 ES8106950 A1 ES 8106950A1
Authority
ES
Spain
Prior art keywords
desilication
liquor
silica
alkaline pulp
pulp processes
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
ES495480A
Other languages
English (en)
Other versions
ES495480A0 (es
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.)
Dorr Oliver Inc
Original Assignee
Dorr Oliver 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 Dorr Oliver Inc filed Critical Dorr Oliver Inc
Publication of ES495480A0 publication Critical patent/ES495480A0/es
Publication of ES8106950A1 publication Critical patent/ES8106950A1/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
    • 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
    • D21C3/22—Other features of pulping processes
    • D21C3/226—Use of compounds avoiding scale formation
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Paper (AREA)

Abstract

PROCESOS DE TIPO ALCALINO PARA EL TRATAMIENTO DE LA PULPA EN LA ELABORACION DE LA MISMA. SE DIGIERE UN MATERIAL FIBROSO CELULOSICO CON UN LICOR BLANCO QUE CONTIENE HIDROXIDO DE SODIO, DANDO UN LICOR NEGRO RESULTANTE DE LA PULPA. SE SEPARA ESTE Y SE CONCENTRA EN EVAPORADORES DE EFECTOS MULTIPLES. SE QUEMA EL LICOR NEGRO CONCENTRADO PARA DAR CENIZA NEGRA, FUNDICION O GRAGEAS, TRATANDOSE A CONTINUACION PARA RECUPERAR EL HIDROXIDO DE SODIO EN FORMA DE UN LICOR BLANCO. SE INTRODUCE BAUXITA EN EL LICOR BLANCO PARA PRODUCIR ALUMINATO SODICO QUE REACCIONA CON LA SILICE EXISTENTE. SE SEPARAN LAS IMPUREZAS SOLIDAS INTRODUCIDAS CON LA BAUXITA Y SE RECIRCULA LA OPERACION DE DIGESTION CON LA SOLUCION DE LICOR BLANCO-ALUMINATO SODICO.
ES495480A 1979-12-10 1980-09-30 Un procedimiento mejorado para eliminar la silice de un li- cor de pulpa con laminado con silice. Expired ES8106950A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10146879A 1979-12-10 1979-12-10

Publications (2)

Publication Number Publication Date
ES495480A0 ES495480A0 (es) 1981-09-01
ES8106950A1 true ES8106950A1 (es) 1981-09-01

Family

ID=22284815

Family Applications (2)

Application Number Title Priority Date Filing Date
ES495480A Expired ES8106950A1 (es) 1979-12-10 1980-09-30 Un procedimiento mejorado para eliminar la silice de un li- cor de pulpa con laminado con silice.
ES500104A Granted ES500104A0 (es) 1979-12-10 1981-03-05 Un procedimiento mejorado para eliminar la silice de un li- cor de pulpa contaminado con silice

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES500104A Granted ES500104A0 (es) 1979-12-10 1981-03-05 Un procedimiento mejorado para eliminar la silice de un li- cor de pulpa contaminado con silice

Country Status (10)

Country Link
JP (1) JPS5696983A (es)
AU (1) AU539450B2 (es)
DE (1) DE3045526A1 (es)
EG (1) EG14460A (es)
ES (2) ES8106950A1 (es)
GB (1) GB2065188B (es)
IN (1) IN154386B (es)
MX (1) MX155270A (es)
PH (1) PH17804A (es)
ZA (1) ZA805709B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118223A (en) * 1982-03-23 1983-10-26 Mahindra Kumar Makhija Pulp manufacture
AT401070B (de) * 1993-12-23 1996-06-25 Austrian Energy & Environment Verfahren zur gewinnung grobkörniger reiner kieselsäure
JP4663815B1 (ja) * 2010-03-31 2011-04-06 日本製紙株式会社 炭酸カルシウムの製造方法
JP4663816B2 (ja) * 2009-07-08 2011-04-06 日本製紙株式会社 ホタテ貝殻焼成物を用いる苛性化炭酸カルシウムの製造方法
WO2011004855A1 (ja) * 2009-07-08 2011-01-13 日本製紙株式会社 貝殻焼成物を用いる苛性化炭酸カルシウムの製造方法
EP2753750B1 (en) * 2011-09-05 2019-03-06 Stora Enso Oyj Process for treating hardwood black liquor and hardwood black liquor treated according to the process
JP2013188172A (ja) * 2012-03-14 2013-09-26 Showa Chemical Industry Co Ltd 育苗マット
SE540305C2 (en) * 2017-02-07 2018-06-05 Valmet Oy System and method for silica removal in a pulping process

Also Published As

Publication number Publication date
GB2065188B (en) 1984-05-16
JPS6364559B2 (es) 1988-12-12
GB2065188A (en) 1981-06-24
ES495480A0 (es) 1981-09-01
DE3045526A1 (de) 1981-09-24
ES8202081A1 (es) 1982-01-01
IN154386B (es) 1984-10-20
JPS5696983A (en) 1981-08-05
AU539450B2 (en) 1984-09-27
ES500104A0 (es) 1982-01-01
AU6219280A (en) 1981-06-18
EG14460A (en) 1984-03-31
ZA805709B (en) 1982-04-28
PH17804A (en) 1984-12-13
MX155270A (es) 1988-02-12

Similar Documents

Publication Publication Date Title
GB1431427A (en) Method for processing bauxites
GB1367155A (en) Treatment of water
ES8202081A1 (es) Un procedimiento mejorado para eliminar la silice de un li- cor de pulpa contaminado con silice
HUP0103434A2 (hu) Javított Bayer-féle kausztifikáló eljárás
GB1267972A (en) Flocculation-deflocculation steps in mineral wool-clay board formation
GB381697A (en) Method of relieving alkaline waste liquors from the soda or sulphate pulp manufacture, of silica
GB1362829A (en) Lime and silica-rich high-alumina cement
KR850001716A (ko) 쇼트가 함유되지 않는 (shot-free)판지
ES8506543A1 (es) Procedimiento de fabricacion de zeolitas
SE7804239L (sv) Beredning av vitlut
MY100107A (en) Production of alumina from gibbsite-bearing bauxite of low reactive silica content.
GB1467537A (en) Method of producing calcium fluoride from fluosilicic acid
SE9202258L (sv) Enstegsslaecknings- och -kausticeringsfoerfarande
JPS62289691A (ja) 苛性化方法
GB1528146A (en) Process for digesting goethite-containing bauxites according to the bayer technology
US3719705A (en) Method for manufacturing sulfite pulp cooking liquor from sulfite pulp spent liquor
EP0121043A3 (en) Process for producing fine dispersions of metal oxides in hydrated alumina
NO853753L (no) Prosess som utnytter kalkslam i kaustiseringscyklusen i kr aft-prosessen.
GB1500014A (en) Method of preparing magnesium oxide
GB1535207A (en) Process of producing calcium aluminate monosulphate hydrate
Libby The Effects of Lime/Limestone Characteristics of Causticization
US3630829A (en) Recovery of kraft white liquor with sulfur addition provided by calcium sulfate
GB1371600A (en) Process for the manufacture of sheet material
GB381520A (en) Improvements in the preparation of alumina
AU450309B2 (en) Method for directly converting sodium carbonate into caustic soda and application of said method to pulp and paper industry