ES2030343A6 - Preparacion de disoluciones purificadas de antraquinona aptas para su empleo en la fabricacion de pastas para papel a partir de antraquinona de baja pureza. - Google Patents

Preparacion de disoluciones purificadas de antraquinona aptas para su empleo en la fabricacion de pastas para papel a partir de antraquinona de baja pureza.

Info

Publication number
ES2030343A6
ES2030343A6 ES9002974A ES9002974A ES2030343A6 ES 2030343 A6 ES2030343 A6 ES 2030343A6 ES 9002974 A ES9002974 A ES 9002974A ES 9002974 A ES9002974 A ES 9002974A ES 2030343 A6 ES2030343 A6 ES 2030343A6
Authority
ES
Spain
Prior art keywords
anthraquinone
manufacture
preparation
paper pulp
low purity
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 - Fee Related
Application number
ES9002974A
Other languages
English (en)
Inventor
Paba Mercedes Oliet
Miquel Julio Tijero
Onsurbe Jose Carlos Burillo
Somolinos Francisco Rodriguez
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.)
Universidad Complutense de Madrid
Original Assignee
Universidad Complutense de Madrid
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 Universidad Complutense de Madrid filed Critical Universidad Complutense de Madrid
Priority to ES9002974A priority Critical patent/ES2030343A6/es
Publication of ES2030343A6 publication Critical patent/ES2030343A6/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Paper (AREA)

Abstract

PREPARACION DE DISOLUCIONES PURIFICADAS DE ANTRAQUINONA APTAS PARA SU EMPLEO EN LA FABRICACION DE PASTAS PARA PAPEL A PARTIR DE ANTRAQUINONA DE BAJA PUREZA, OBTENIDAS MEDIANTE PURIFICACION POR REDUCCION EN MEDIO ALCALINO DE LA ANTRAQUINONA O SUS HOMOLOGOS, EMPLEANDO COMO AGENTES REDUCTORES DISOLUCIONES ACUOSAS ALCALINAS CUALES SON LAS LEJIAS NECESARIAS PARA LA COCCION DE MATERIALES LIGNOCELULOSICOS POR LOS PROCEDIMIENTOS DENOMINADOS <AL SULFATO>, A <LA SOSA> Y <AL SULFITO>.
ES9002974A 1990-11-22 1990-11-22 Preparacion de disoluciones purificadas de antraquinona aptas para su empleo en la fabricacion de pastas para papel a partir de antraquinona de baja pureza. Expired - Fee Related ES2030343A6 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9002974A ES2030343A6 (es) 1990-11-22 1990-11-22 Preparacion de disoluciones purificadas de antraquinona aptas para su empleo en la fabricacion de pastas para papel a partir de antraquinona de baja pureza.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9002974A ES2030343A6 (es) 1990-11-22 1990-11-22 Preparacion de disoluciones purificadas de antraquinona aptas para su empleo en la fabricacion de pastas para papel a partir de antraquinona de baja pureza.

Publications (1)

Publication Number Publication Date
ES2030343A6 true ES2030343A6 (es) 1992-10-16

Family

ID=8269727

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9002974A Expired - Fee Related ES2030343A6 (es) 1990-11-22 1990-11-22 Preparacion de disoluciones purificadas de antraquinona aptas para su empleo en la fabricacion de pastas para papel a partir de antraquinona de baja pureza.

Country Status (1)

Country Link
ES (1) ES2030343A6 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0780356A3 (en) * 1995-12-21 1997-08-27 Kawasaki Kasei Chemicals Process for the preparation of a solution of an alkaline salt of anthrahydroquinone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0780356A3 (en) * 1995-12-21 1997-08-27 Kawasaki Kasei Chemicals Process for the preparation of a solution of an alkaline salt of anthrahydroquinone

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Legal Events

Date Code Title Description
FD2A Announcement of lapse in spain

Effective date: 20110228