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BR9102248A - SYSTEM C02 FOR DIRECT NEUTRALIZATION AND INDIRECT NEUTRALIZATION OF ALKALINE CELLULAS PULPS OBTAINED IN DIGESTORS, OR BY RECYCLING USED PAPERS - Google Patents

SYSTEM C02 FOR DIRECT NEUTRALIZATION AND INDIRECT NEUTRALIZATION OF ALKALINE CELLULAS PULPS OBTAINED IN DIGESTORS, OR BY RECYCLING USED PAPERS

Info

Publication number
BR9102248A
BR9102248A BR9102248A BR9102248A BR9102248A BR 9102248 A BR9102248 A BR 9102248A BR 9102248 A BR9102248 A BR 9102248A BR 9102248 A BR9102248 A BR 9102248A BR 9102248 A BR9102248 A BR 9102248A
Authority
BR
Brazil
Prior art keywords
neutralization
cellulas
digestors
alkaline
indirect
Prior art date
Application number
BR9102248A
Other languages
Portuguese (pt)
Inventor
Pedro Loureiro Durao
Adonai Alvino Pessoa
Original Assignee
Liquid Carbonic Ind Sa
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 Liquid Carbonic Ind Sa filed Critical Liquid Carbonic Ind Sa
Priority to BR9102248A priority Critical patent/BR9102248A/en
Publication of BR9102248A publication Critical patent/BR9102248A/en

Links

Classifications

    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling
BR9102248A 1991-05-31 1991-05-31 SYSTEM C02 FOR DIRECT NEUTRALIZATION AND INDIRECT NEUTRALIZATION OF ALKALINE CELLULAS PULPS OBTAINED IN DIGESTORS, OR BY RECYCLING USED PAPERS BR9102248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9102248A BR9102248A (en) 1991-05-31 1991-05-31 SYSTEM C02 FOR DIRECT NEUTRALIZATION AND INDIRECT NEUTRALIZATION OF ALKALINE CELLULAS PULPS OBTAINED IN DIGESTORS, OR BY RECYCLING USED PAPERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9102248A BR9102248A (en) 1991-05-31 1991-05-31 SYSTEM C02 FOR DIRECT NEUTRALIZATION AND INDIRECT NEUTRALIZATION OF ALKALINE CELLULAS PULPS OBTAINED IN DIGESTORS, OR BY RECYCLING USED PAPERS

Publications (1)

Publication Number Publication Date
BR9102248A true BR9102248A (en) 1993-01-12

Family

ID=4052010

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9102248A BR9102248A (en) 1991-05-31 1991-05-31 SYSTEM C02 FOR DIRECT NEUTRALIZATION AND INDIRECT NEUTRALIZATION OF ALKALINE CELLULAS PULPS OBTAINED IN DIGESTORS, OR BY RECYCLING USED PAPERS

Country Status (1)

Country Link
BR (1) BR9102248A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0911443A1 (en) * 1997-10-24 1999-04-28 Praxair Technology, Inc. Improved process for adjusting the alkalinity of a pulp slurry in a broke pulper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0911443A1 (en) * 1997-10-24 1999-04-28 Praxair Technology, Inc. Improved process for adjusting the alkalinity of a pulp slurry in a broke pulper

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 31/05/2011