ES2004275A6 - Un procedimiento mejorado para blanquear pasta de madera kraft - Google Patents

Un procedimiento mejorado para blanquear pasta de madera kraft

Info

Publication number
ES2004275A6
ES2004275A6 ES8700887A ES8700887A ES2004275A6 ES 2004275 A6 ES2004275 A6 ES 2004275A6 ES 8700887 A ES8700887 A ES 8700887A ES 8700887 A ES8700887 A ES 8700887A ES 2004275 A6 ES2004275 A6 ES 2004275A6
Authority
ES
Spain
Prior art keywords
bleaching
pulp
peroxide
pulp slurry
hypochlorite
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
ES8700887A
Other languages
English (en)
Inventor
William Gustov Strunk
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.)
FMC Corp
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Publication of ES2004275A6 publication Critical patent/ES2004275A6/es
Expired legal-status Critical Current

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Abstract

UN PROCEDIMIENTO MEJORADO PARA BLOQUEAR PASTA DE MADERA KRAFT, EN EL QUE SE REFUERZA LA RESPUESTA DE BLANQUEO DE PASTA PAPELERA KRAFT A LA ETAPA DE PEROXIGENO DE UNA SECUENCIA DE BLANQUEO C-E-H-P Y QUE IMPLICA INCORPORAR SUFICIENTE LIQUIDO DE TRATAMIENTO PROCEDENTE DE LA ETAPA DE CLORACION PARA AJUSTAR EL PH DE LA PASTA PAPELERA A CONTINUACION DE LA ETAPA DE HIPOCLORITO A UN VALOR INFERIOR A 7 Y, SUBSIGUIENTEMENTE, BLANQUEAR LA PASTA PAPELERA EN LA ETAPA DE PEROXIGENO. EL INVENTO ES APLICABLE A LA FABRICACION DE PAPEL.
ES8700887A 1986-03-31 1987-03-30 Un procedimiento mejorado para blanquear pasta de madera kraft Expired ES2004275A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84652586A 1986-03-31 1986-03-31

Publications (1)

Publication Number Publication Date
ES2004275A6 true ES2004275A6 (es) 1988-12-16

Family

ID=25298179

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8700887A Expired ES2004275A6 (es) 1986-03-31 1987-03-30 Un procedimiento mejorado para blanquear pasta de madera kraft

Country Status (2)

Country Link
JP (1) JPS62243893A (es)
ES (1) ES2004275A6 (es)

Also Published As

Publication number Publication date
JPH0149836B2 (es) 1989-10-26
JPS62243893A (ja) 1987-10-24

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990301