[go: up one dir, main page]

RU93033494A - METHOD FOR PRODUCING BISULPHITE CELLULOSE ON MIXED BASIS - Google Patents

METHOD FOR PRODUCING BISULPHITE CELLULOSE ON MIXED BASIS

Info

Publication number
RU93033494A
RU93033494A RU93033494/12A RU93033494A RU93033494A RU 93033494 A RU93033494 A RU 93033494A RU 93033494/12 A RU93033494/12 A RU 93033494/12A RU 93033494 A RU93033494 A RU 93033494A RU 93033494 A RU93033494 A RU 93033494A
Authority
RU
Russia
Prior art keywords
producing
cellulose
bisulphite
cooking
target product
Prior art date
Application number
RU93033494/12A
Other languages
Russian (ru)
Other versions
RU2027813C1 (en
Inventor
М.Г. Мутовина
Т.А. Бондарева
Н.Е. Самсонов
В.З. Просолова
Ю.В. Гранкин
Б.А. Фадеев
Б.В. Орехов
В.А. Кирсанов
В.В. Мусинский
В.Ф. Иванов
В.И. Татарчук
В.Н. Ефимова
Г.Ю. Тольман
Н.А. Дьяков
А.Н. Тимошевский
Ю.П. Дедик
К.М. Ершов
Р.И. Найдина
В.З. Лапухин
В.М. Коптев
Original Assignee
Камский целлюлозно-бумажный комбинат
Filing date
Publication date
Application filed by Камский целлюлозно-бумажный комбинат filed Critical Камский целлюлозно-бумажный комбинат
Priority to RU93033494A priority Critical patent/RU2027813C1/en
Priority claimed from RU93033494A external-priority patent/RU2027813C1/en
Application granted granted Critical
Publication of RU2027813C1 publication Critical patent/RU2027813C1/en
Publication of RU93033494A publication Critical patent/RU93033494A/en

Links

Claims (1)

Сущность изобретения: способ получения бисульфитной целлюлозы включает введение в варочный аппарат щепы, раствора бисульфита на смешенном основании и последующую варку древесной щепы при повышенной температуре. В качестве смешенного основания используют смесь МgО и Na2 в соотношении 1:2 - 1:3, а варку проводят при температуре 152 - 160oC, рН 2,2 - 3,5 и содержании всего SO2 3,5 - 5,0%. Использование предлагаемого способа позволяет улучшить качество целевого продукта за счет увеличения белизны и физико-механических свойств, а также повысить выход целевого продукта.The inventive method for producing bisulfite cellulose includes the introduction into the cooking apparatus of chips, a solution of bisulfite on a mixed base and subsequent cooking of wood chips at elevated temperatures. As a mixed base, a mixture of MgO and Na 2 is used in a ratio of 1: 2 - 1: 3, and cooking is carried out at a temperature of 152 - 160 o C, pH 2.2 - 3.5 and a total SO 2 content of 3.5 - 5, 0%. Using the proposed method allows to improve the quality of the target product by increasing whiteness and physical and mechanical properties, as well as to increase the yield of the target product.
RU93033494A 1993-06-29 1993-06-29 Method of bisulfite cellulose producing RU2027813C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93033494A RU2027813C1 (en) 1993-06-29 1993-06-29 Method of bisulfite cellulose producing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93033494A RU2027813C1 (en) 1993-06-29 1993-06-29 Method of bisulfite cellulose producing

Publications (2)

Publication Number Publication Date
RU2027813C1 RU2027813C1 (en) 1995-01-27
RU93033494A true RU93033494A (en) 1997-04-20

Family

ID=20144072

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93033494A RU2027813C1 (en) 1993-06-29 1993-06-29 Method of bisulfite cellulose producing

Country Status (1)

Country Link
RU (1) RU2027813C1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2114230C1 (en) * 1997-10-08 1998-06-27 Открытое акционерное общество "ЦНИИБ" Method of preparing bisulfite cellulose
RU2119987C1 (en) * 1998-02-25 1998-10-10 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" Cellulose production method
RU2153545C1 (en) * 1999-12-28 2000-07-27 Камский целлюлозно-бумажный комбинат Method of preparing bleached chemico-thermomechanical pulp

Similar Documents

Publication Publication Date Title
FI803722L (en) ANORDINATION OF FOERFARANDE FOR DELIGNIFICATION AV MASS AV MEDELKONSISTENS MED HJAELP AV SYRE
GB1236910A (en) A process for the manufacture of xylose and xylitol
MX4260A (en) PROCESS TO PRODUCE LIGNIN, PRODUCT OBTAINED AND APPARATUS FOR FIBERING VEGETABLE WOODEN PULP.
BG46600A3 (en) Method for preparing derivatives of dihydrobenzofuran and of chromancarboxamides
RU93033494A (en) METHOD FOR PRODUCING BISULPHITE CELLULOSE ON MIXED BASIS
RU92006248A (en) METHOD FOR PRODUCING BISULPHITE DECIDUAL HALF CELLULOSE
RU2027813C1 (en) Method of bisulfite cellulose producing
RU93058344A (en) HIGH EFFICIENCY METHOD OF BLEACHING CHLORIDE PULP PULP
SE9101587D0 (en) PROCEDURES FOR PREPARING CHEMICAL MECHANICAL MASS
ES2194078T3 (en) A PROCEDURE FOR CELLULOSE PRODUCTION.
HUT57834A (en) Multistage process for obtaining sugar from sugar beet, as well as special raw sugar
SU1560663A1 (en) Method of bleaching wood pulp
SE9002039D0 (en) SAVE TO PREPARE
DK0422476T4 (en) Process for producing flavored meat
SU1040010A1 (en) Process for bleaching cellulose
RU93036674A (en) METHOD FOR PRODUCING FLOCOCULENT
UA7014A1 (en) METHOD OF PREPARATION OF 4-AMINO-5-CHLORINE-1-PHENYLPYRIDAZONE- (6)
RU2015235C1 (en) Method of preparing of bisulfite leafy hemicellulose on the magnesium-base
SU829748A1 (en) Method of obtaining fibrous cellulose semifinished product
SU1157039A1 (en) Method of obtaining cellulose chlorine-sulfate derivative
RU98102909A (en) METHOD FOR PRODUCING CELLULOSE
NO872670L (en) 4-BENZYLOXY-3-PYRROLIN-2-ON, PREPARATION AND USE THEREOF IN THE SYNTHESIS OF TETRIC ACID.
SU522300A1 (en) Pulp Production Method
SU630331A1 (en) Method of obtaining pulp
ATE192627T1 (en) METHOD FOR PRODUCING MARZIPAN