ES2122907A1 - Procedimiento ecologico de obtencion de celulosa. - Google Patents

Procedimiento ecologico de obtencion de celulosa.

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Publication number
ES2122907A1
ES2122907A1 ES09601829A ES9601829A ES2122907A1 ES 2122907 A1 ES2122907 A1 ES 2122907A1 ES 09601829 A ES09601829 A ES 09601829A ES 9601829 A ES9601829 A ES 9601829A ES 2122907 A1 ES2122907 A1 ES 2122907A1
Authority
ES
Spain
Prior art keywords
washing
pulp
dilution
cellulose
reaction
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.)
Granted
Application number
ES09601829A
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English (en)
Other versions
ES2122907B1 (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.)
VALVERDE ALONSO ANGEL
Original Assignee
VALVERDE ALONSO ANGEL
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 VALVERDE ALONSO ANGEL filed Critical VALVERDE ALONSO ANGEL
Priority to ES9601829A priority Critical patent/ES2122907B1/es
Publication of ES2122907A1 publication Critical patent/ES2122907A1/es
Application granted granted Critical
Publication of ES2122907B1 publication Critical patent/ES2122907B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)

Abstract

PROCEDIMIENTO ECOLOGICO DE OBTENCION DE CELULOSA. SE LIBERA INTEGRAMENTE LA CELULOSA, EXCEPCIONALMENTE BLANCA, DE LOS MATERIALES QUE LA CONTIENEN, MEDIANTE LA REACCION CONTROLADA DEL PEROXIDO DE HIDROGENO SOBRE LA LIGNINA INCRUSTANTE PRODUCIENDO SU TOTAL DISOLUCION, SI ACTUA EN SOLUCION ACUOSA DE CONCENTRACION ADECUADA Y CONVENIENTEMENTE ACIDULADA, NO GENERANDOSE SUSTANCIAS TOXICAS NI CONTAMINANTES, PUDIENDO REALIZARSE A PRESION NORMAL Y A MENOS DE 105, EN DOS DISPOSITIVOS DISTINTOS: A) CONTINUO: TRANSPORTANDO EL MATERIAL MEDIANTE TRES HUSILLOS: 1.C EN UN CILINDRO REACTOR CON CALEFACCION Y CONDENSADOR A REFLUJO; 2.C EN OTRO PARALELO PARA DISPERSAR LA PULPA POR DILUCION Y 3.C EN OTRO INCLINADO PARA SU LAVADO Y REBOSADO DE LAS SOLUCIONES. B) EN TRES ETAPAS, UTILIZANDO CINTA TRANSPORTADORA: 1.C SUMERGIENDO EL MATERIAL EN UN TUNEL CON ZOCALO CALEFACTOR Y TECHO REFRIGERADO CONDENSADOR; 2.C ETAPA DE DILUCION Y DISPERSION DE LA PULPA Y 3.C DE LAVADO Y SECADO, RECICLANDOSE EL AGUA UTILIZADA.
ES9601829A 1996-08-22 1996-08-22 Procedimiento ecologico de obtencion de celulosa. Expired - Fee Related ES2122907B1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9601829A ES2122907B1 (es) 1996-08-22 1996-08-22 Procedimiento ecologico de obtencion de celulosa.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9601829A ES2122907B1 (es) 1996-08-22 1996-08-22 Procedimiento ecologico de obtencion de celulosa.

Publications (2)

Publication Number Publication Date
ES2122907A1 true ES2122907A1 (es) 1998-12-16
ES2122907B1 ES2122907B1 (es) 1999-07-01

Family

ID=8295871

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9601829A Expired - Fee Related ES2122907B1 (es) 1996-08-22 1996-08-22 Procedimiento ecologico de obtencion de celulosa.

Country Status (1)

Country Link
ES (1) ES2122907B1 (es)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1008315A1 (ru) * 1981-07-10 1983-03-30 Белорусский Ордена Трудового Красного Знамени Технологический Институт Им.С.М.Кирова Способ получени целлюлозы
US4756799A (en) * 1985-03-13 1988-07-12 Eka Ab Method of manufacturing bleached chemimechanical and semichemical fibre pulp by means of a one-stage impregnation process
WO1992007139A1 (fr) * 1990-10-17 1992-04-30 Interox International S.A. Procede pour la preservation des caracteristiques de resistance mecanique des pates a papier chimiques
RU2019613C1 (ru) * 1992-08-18 1994-09-15 Валерий Анатольевич Демин Способ отбелки лиственной сульфатной целлюлозы
RU2042004C1 (ru) * 1992-12-25 1995-08-20 Красноярская государственная технологическая академия Способ получения волокнистого полуфабриката для изготовления бумаг

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1008315A1 (ru) * 1981-07-10 1983-03-30 Белорусский Ордена Трудового Красного Знамени Технологический Институт Им.С.М.Кирова Способ получени целлюлозы
US4756799A (en) * 1985-03-13 1988-07-12 Eka Ab Method of manufacturing bleached chemimechanical and semichemical fibre pulp by means of a one-stage impregnation process
WO1992007139A1 (fr) * 1990-10-17 1992-04-30 Interox International S.A. Procede pour la preservation des caracteristiques de resistance mecanique des pates a papier chimiques
RU2019613C1 (ru) * 1992-08-18 1994-09-15 Валерий Анатольевич Демин Способ отбелки лиственной сульфатной целлюлозы
RU2042004C1 (ru) * 1992-12-25 1995-08-20 Красноярская государственная технологическая академия Способ получения волокнистого полуфабриката для изготовления бумаг

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
BASE DE DATOS WPI en EPOQUE, semana 8407, Londres: Derwent Publications Ltd., AN 84-041014, & SU 1008315 A1 (BELORUSS KIROV TECH INS) 30.03.1983 *
BASE DE DATOS WPI en EPOQUE, semana 9521, Derwent Publications Ltd., AN 95-160112 & RU 2019609 A1 (BELO KIROV TECH INST) 15.09.1994 *
BASE DE DATOS WPI en EPOQUE, semana 9521, Derwent Publications Ltd., AN 95-160116 & RU 2019613 C1 (DEMIV V A) 15.09.1994 *
BASE DE DATOS WPI en EPOQUE, semana 9618, Derwent Publications Ltd., AN 96-178497 & RU 2042004 C1 (SIBE TECH INST) 20.08.1995 *
POPPIUS-LEVLIN, K et al.: MILOX pulping with acetic acid/peroxyacetic acid. Paper and Timber, 1991, Vol. 73 N‘ 2, páginas 154-158, página 155, columna 2, líneas 13-21. *

Also Published As

Publication number Publication date
ES2122907B1 (es) 1999-07-01

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