ES8106010A1 - Process for the production of cellulose by using dispersions of nitroanthraquinones. - Google Patents

Process for the production of cellulose by using dispersions of nitroanthraquinones.

Info

Publication number
ES8106010A1
ES8106010A1 ES495827A ES495827A ES8106010A1 ES 8106010 A1 ES8106010 A1 ES 8106010A1 ES 495827 A ES495827 A ES 495827A ES 495827 A ES495827 A ES 495827A ES 8106010 A1 ES8106010 A1 ES 8106010A1
Authority
ES
Spain
Prior art keywords
nitroanthraquinones
dispersions
production
cellulose
relates
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
ES495827A
Other languages
Spanish (es)
Other versions
ES495827A0 (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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of ES8106010A1 publication Critical patent/ES8106010A1/en
Publication of ES495827A0 publication Critical patent/ES495827A0/en
Granted 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The invention relates to dispersions of nitroanthraquinones in liquid dispersing agents of the same or similar specific density as the nitroanthraquinones. The invention furthermore relates to processes for the production of these dispersions and their use for recovering cellulose from lignocellulose material.
ES495827A 1979-10-12 1980-10-10 PROCEDURE FOR OBTAINING NITROAN-TRAQUIN DISPERSIONS Granted ES495827A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792941385 DE2941385A1 (en) 1979-10-12 1979-10-12 DISPERSIONS OF NITROANTHRACHINONES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE

Publications (2)

Publication Number Publication Date
ES8106010A1 true ES8106010A1 (en) 1981-07-01
ES495827A0 ES495827A0 (en) 1981-07-01

Family

ID=6083350

Family Applications (1)

Application Number Title Priority Date Filing Date
ES495827A Granted ES495827A0 (en) 1979-10-12 1980-10-10 PROCEDURE FOR OBTAINING NITROAN-TRAQUIN DISPERSIONS

Country Status (10)

Country Link
EP (1) EP0027213A1 (en)
JP (1) JPS5661332A (en)
AU (1) AU6310080A (en)
BR (1) BR8006530A (en)
DE (1) DE2941385A1 (en)
ES (1) ES495827A0 (en)
FI (1) FI803201L (en)
NO (1) NO802818L (en)
NZ (1) NZ195206A (en)
ZA (1) ZA806225B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2415662A1 (en) * 1974-04-01 1975-10-23 Basf Ag 1-Nitro-anthraquinone separation from reaction mixt - by reduction of dinitro-anthraquinones in solvents in opt presence of water
CA1073161A (en) * 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process
CA1094264A (en) * 1976-12-14 1981-01-27 Canadian Industries Limited Delignification of lignocellulosic material with a soda liquor containing a cyclic keto compound and a nitro aromatic compound

Also Published As

Publication number Publication date
FI803201L (en) 1981-04-13
BR8006530A (en) 1981-05-12
EP0027213A1 (en) 1981-04-22
NO802818L (en) 1981-04-13
DE2941385A1 (en) 1981-04-23
JPS5661332A (en) 1981-05-26
NZ195206A (en) 1983-04-12
ZA806225B (en) 1981-10-28
ES495827A0 (en) 1981-07-01
AU6310080A (en) 1981-04-16

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