CA2346915A1 - Procede de production de cellulose - Google Patents

Procede de production de cellulose Download PDF

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Publication number
CA2346915A1
CA2346915A1 CA002346915A CA2346915A CA2346915A1 CA 2346915 A1 CA2346915 A1 CA 2346915A1 CA 002346915 A CA002346915 A CA 002346915A CA 2346915 A CA2346915 A CA 2346915A CA 2346915 A1 CA2346915 A1 CA 2346915A1
Authority
CA
Canada
Prior art keywords
liquor
pinene
polysulphide
trs
reduce
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
CA002346915A
Other languages
English (en)
Other versions
CA2346915C (fr
Inventor
Alexandr Gorokhov
Irina Yeremeyeva
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2346915A1 publication Critical patent/CA2346915A1/fr
Application granted granted Critical
Publication of CA2346915C publication Critical patent/CA2346915C/fr
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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • 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
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
    • 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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
    • 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
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
CA002346915A 1999-02-22 1999-02-22 Procede de production de cellulose Expired - Fee Related CA2346915C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB1999/000388 WO2000050689A1 (fr) 1999-02-22 1999-02-22 Procede de production de cellulose

Publications (2)

Publication Number Publication Date
CA2346915A1 true CA2346915A1 (fr) 2000-08-31
CA2346915C CA2346915C (fr) 2005-09-27

Family

ID=11004830

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002346915A Expired - Fee Related CA2346915C (fr) 1999-02-22 1999-02-22 Procede de production de cellulose

Country Status (2)

Country Link
CA (1) CA2346915C (fr)
WO (1) WO2000050689A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114122424A (zh) * 2021-10-26 2022-03-01 合肥师范学院 一种亲水碳基Ni纳米ORR电催化剂的制备方法
CN116022783A (zh) * 2023-01-09 2023-04-28 南阳天成新能源科技有限公司 一种改性石墨负极材料及其制备方法和应用

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1093739A1 (ru) * 1983-01-13 1984-05-23 Украинское научно-производственное объединение целлюлозно-бумажной промышленности Способ приготовлени раствора полисульфида щелочного металла дл варки целлюлозусодержащего сырь
RU2000140C1 (ru) * 1991-12-16 1993-09-07 Александр Петрович Горохов Способ приготовлени катализатора дл очистки газоконденсатов от серосодержащих соединений
RU2006269C1 (ru) * 1991-12-16 1994-01-30 Горохов Александр Петрович Способ очистки газовых конденсатов от серосодержащих соединений

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114122424A (zh) * 2021-10-26 2022-03-01 合肥师范学院 一种亲水碳基Ni纳米ORR电催化剂的制备方法
CN114122424B (zh) * 2021-10-26 2023-11-10 合肥师范学院 一种亲水碳基Ni纳米ORR电催化剂的制备方法
CN116022783A (zh) * 2023-01-09 2023-04-28 南阳天成新能源科技有限公司 一种改性石墨负极材料及其制备方法和应用
CN116022783B (zh) * 2023-01-09 2023-08-08 南阳天成新能源科技有限公司 一种改性石墨负极材料及其制备方法和应用

Also Published As

Publication number Publication date
WO2000050689A1 (fr) 2000-08-31
CA2346915C (fr) 2005-09-27

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Effective date: 20180222