RU96114249A - METHOD FOR PRODUCING CELLULOSE FOR CHEMICAL PROCESSING - Google Patents

METHOD FOR PRODUCING CELLULOSE FOR CHEMICAL PROCESSING

Info

Publication number
RU96114249A
RU96114249A RU96114249/12A RU96114249A RU96114249A RU 96114249 A RU96114249 A RU 96114249A RU 96114249/12 A RU96114249/12 A RU 96114249/12A RU 96114249 A RU96114249 A RU 96114249A RU 96114249 A RU96114249 A RU 96114249A
Authority
RU
Russia
Prior art keywords
chemical processing
cooking
producing cellulose
cellulose
additive
Prior art date
Application number
RU96114249/12A
Other languages
Russian (ru)
Other versions
RU2106448C1 (en
Inventor
М.Г. Мутовина
Н.Е. Самсонов
Т.А. Бондарева
Б.А. Фадеев
Г.Ю. Тольман
А.Н. Тимошевский
Ю.П. Дедик
Л.Н. Банзина
В.Н. Ефимова
Г.А. Бородулин
В.З. Просолова
В.Н. Захаренко
В.А. Кирсанов
А.А. Савин
Original Assignee
Камский целлюлозно-бумажный комбинат
АООТ Центральный научно-исследовательский институт бумаги
Filing date
Publication date
Application filed by Камский целлюлозно-бумажный комбинат, АООТ Центральный научно-исследовательский институт бумаги filed Critical Камский целлюлозно-бумажный комбинат
Priority to RU96114249A priority Critical patent/RU2106448C1/en
Priority claimed from RU96114249A external-priority patent/RU2106448C1/en
Application granted granted Critical
Publication of RU2106448C1 publication Critical patent/RU2106448C1/en
Publication of RU96114249A publication Critical patent/RU96114249A/en

Links

Claims (2)

1. Способ получения целлюлозы для химической переработки, включающий кислую варку целлюлозосодержащего сырья бисульфитным раствором в варочном аппарате, отбор отработанного раствора и горячее облагораживание продукта варки гидроксидом натрия в присутствии добавки в том же аппарате, отличающийся тем, что в качестве добавки на стадии облагораживания используют оксид магния в количестве 5 - 30% от массы гидроксида натрия, при этом кислую варку проводят при pH 1,8 - 2,15, содержании всего SO2 5,1 - 5,4% и температуре 148 - 151oC.1. A method of producing cellulose for chemical processing, including acid cooking of cellulose-containing raw materials with a bisulfite solution in a cooking apparatus, selection of the spent solution and hot refinement of the cooking product with sodium hydroxide in the presence of an additive in the same apparatus, characterized in that oxide is used as an additive in the refinement stage magnesium in an amount of 5 - 30% by weight of sodium hydroxide, while acid cooking is carried out at a pH of 1.8 - 2.15, the content of all SO 2 5.1 - 5.4% and a temperature of 148 - 151 o C. 2. Способ по п.1, отличающийся тем, что используют бисульфитный раствор на натриевом основании или на смешанном основании, в качестве которого используют смесь MgO и Na2O при соотношении от 1 : 1 до 1 : 4.2. The method according to claim 1, characterized in that they use a bisulfite solution on a sodium base or on a mixed base, which is used as a mixture of MgO and Na 2 O in a ratio of 1: 1 to 1: 4.
RU96114249A 1996-07-22 1996-07-22 Method for production of chemical cellulose RU2106448C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96114249A RU2106448C1 (en) 1996-07-22 1996-07-22 Method for production of chemical cellulose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96114249A RU2106448C1 (en) 1996-07-22 1996-07-22 Method for production of chemical cellulose

Publications (2)

Publication Number Publication Date
RU2106448C1 RU2106448C1 (en) 1998-03-10
RU96114249A true RU96114249A (en) 1998-08-20

Family

ID=20183264

Family Applications (1)

Application Number Title Priority Date Filing Date
RU96114249A RU2106448C1 (en) 1996-07-22 1996-07-22 Method for production of chemical cellulose

Country Status (1)

Country Link
RU (1) RU2106448C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2607172C1 (en) * 2015-12-11 2017-01-10 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Method of cellulose producing for ethers and esters

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