GB8725264D0 - Reducing content of silica - Google Patents

Reducing content of silica

Info

Publication number
GB8725264D0
GB8725264D0 GB878725264A GB8725264A GB8725264D0 GB 8725264 D0 GB8725264 D0 GB 8725264D0 GB 878725264 A GB878725264 A GB 878725264A GB 8725264 A GB8725264 A GB 8725264A GB 8725264 D0 GB8725264 D0 GB 8725264D0
Authority
GB
United Kingdom
Prior art keywords
silica
reducing content
reducing
content
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
GB878725264A
Other versions
GB2196999B (en
GB2196999A (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.)
FREDERICIA AB
Original Assignee
FREDERICIA AB
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 FREDERICIA AB filed Critical FREDERICIA AB
Publication of GB8725264D0 publication Critical patent/GB8725264D0/en
Publication of GB2196999A publication Critical patent/GB2196999A/en
Application granted granted Critical
Publication of GB2196999B publication Critical patent/GB2196999B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
GB8725264A 1986-11-03 1987-10-28 A process for reducing the content of silica in black liquor Expired - Fee Related GB2196999B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK524186A DK154659C (en) 1986-11-03 1986-11-03 PROCEDURE FOR REDUCING SILICON CONTENT IN BLACK CELLULOSE MANUFACTURING

Publications (3)

Publication Number Publication Date
GB8725264D0 true GB8725264D0 (en) 1987-12-02
GB2196999A GB2196999A (en) 1988-05-11
GB2196999B GB2196999B (en) 1991-01-23

Family

ID=8140741

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8725264A Expired - Fee Related GB2196999B (en) 1986-11-03 1987-10-28 A process for reducing the content of silica in black liquor

Country Status (2)

Country Link
DK (1) DK154659C (en)
GB (1) GB2196999B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107743B (en) * 1999-01-12 2001-09-28 Andritz Ahlstrom Oy Procedure for reducing the silica content of the green liquor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331507A (en) * 1979-12-10 1982-05-25 Dorr-Oliver Incorporated Desilication in alkaline pulp processes

Also Published As

Publication number Publication date
DK524186D0 (en) 1986-11-03
GB2196999B (en) 1991-01-23
GB2196999A (en) 1988-05-11
DK154659B (en) 1988-12-05
DK524186A (en) 1988-05-04
DK154659C (en) 1989-05-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941028