JPS6225796B2 - - Google Patents

Info

Publication number
JPS6225796B2
JPS6225796B2 JP13522879A JP13522879A JPS6225796B2 JP S6225796 B2 JPS6225796 B2 JP S6225796B2 JP 13522879 A JP13522879 A JP 13522879A JP 13522879 A JP13522879 A JP 13522879A JP S6225796 B2 JPS6225796 B2 JP S6225796B2
Authority
JP
Japan
Prior art keywords
pulp
calcium
added
bleaching
sodium
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
JP13522879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5663089A (en
Inventor
Makoto Iwasaki
Tsutomu Horikoshi
Minoru Hosoki
Takeshi Nagai
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.)
New Oji Paper Co Ltd
Original Assignee
Oji Paper Co Ltd
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 Oji Paper Co Ltd filed Critical Oji Paper Co Ltd
Priority to JP13522879A priority Critical patent/JPS5663089A/ja
Publication of JPS5663089A publication Critical patent/JPS5663089A/ja
Publication of JPS6225796B2 publication Critical patent/JPS6225796B2/ja
Granted legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

Landscapes

  • Paper (AREA)
JP13522879A 1979-10-22 1979-10-22 Deinking of waste paper pulp Granted JPS5663089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13522879A JPS5663089A (en) 1979-10-22 1979-10-22 Deinking of waste paper pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13522879A JPS5663089A (en) 1979-10-22 1979-10-22 Deinking of waste paper pulp

Publications (2)

Publication Number Publication Date
JPS5663089A JPS5663089A (en) 1981-05-29
JPS6225796B2 true JPS6225796B2 (enrdf_load_stackoverflow) 1987-06-04

Family

ID=15146802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13522879A Granted JPS5663089A (en) 1979-10-22 1979-10-22 Deinking of waste paper pulp

Country Status (1)

Country Link
JP (1) JPS5663089A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9507710D0 (en) * 1995-04-13 1995-05-31 Ecc Int Ltd Waste paper treatment process
US6059927A (en) 1997-09-23 2000-05-09 Queen's University At Kingston Method of reducing brightness reversion and yellowness (B*) of bleached mechanical wood pulps
GB9804068D0 (en) * 1998-02-27 1998-04-22 Mcilroy Andrew Bleach stabiliser

Also Published As

Publication number Publication date
JPS5663089A (en) 1981-05-29

Similar Documents

Publication Publication Date Title
US4381969A (en) Process for the regeneration of waste paper
US4959123A (en) Process for deinking printed waste paper
US2211908A (en) Manufacture of caustic soda and calcium carbonate
USH479H (en) Wood pulp bleaching process
EP1885941B1 (en) Process for deinking recycled fibers and use of an acid in deinking
EP0172684B1 (en) Dimethyldiallyl ammonium chloride/acrylamide copolymers as deinkers
JPS6225796B2 (enrdf_load_stackoverflow)
EP0464110B1 (en) Bleaching process for the production of high bright pulps
US2582496A (en) Deinking and bleaching of paper
US2322185A (en) Process for making paper
US2786757A (en) Method for preparing a paper product
JP2761934B2 (ja) ピッチコントロール剤及びピッチコントロール方法
JPS5927436B2 (ja) 木材パルプの過酸化物漂白方法
EP1246965B1 (en) Method for eliminating detrimental substances in a process liquid
EP2231922A1 (en) Removal of stickies from a pulp suspension, reduction of calcium compounds in reject and use of carbon dioxide in papermaking
SU988941A1 (ru) Способ подготовки макулатурной массы дл изготовлени туалетной бумаги
JP3149954B2 (ja) 保持率と排水性とを改善するためのナフタリンスルホン酸塩およびポリエチレンオキシドを包含する方法および使用
US2687942A (en) Bleaching of groundwood-sulfite pulp mixtures
JP6865936B2 (ja) 古紙パルプの製造方法
JP2000265384A (ja) 脱インキパルプの製造方法
JPS5922832B2 (ja) 過酸化物漂白パルプの製造方法
JPH0641889A (ja) 着色古紙の脱色及び漂白方法
JP2630349B2 (ja) 再生パルプ製造方法
US1746451A (en) Process of making pulp
JPH0835188A (ja) 古紙の脱墨漂白方法