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RU95113735A - METHOD FOR PRODUCING CELLULOSE - Google Patents

METHOD FOR PRODUCING CELLULOSE

Info

Publication number
RU95113735A
RU95113735A RU95113735/12A RU95113735A RU95113735A RU 95113735 A RU95113735 A RU 95113735A RU 95113735/12 A RU95113735/12 A RU 95113735/12A RU 95113735 A RU95113735 A RU 95113735A RU 95113735 A RU95113735 A RU 95113735A
Authority
RU
Russia
Prior art keywords
pyrogenic
wood
resin
additive
water
Prior art date
Application number
RU95113735/12A
Other languages
Russian (ru)
Other versions
RU2078168C1 (en
Inventor
Н.Е. Рихтер
Е.А. Демченко
Ю.М. Гольдшмидт
М.Н. Кокорина
Н.Н. Николаева
В.П. Родионов
С.В. Жуковский
Original Assignee
Акционерное общество открытого типа "Светогорск"
Filing date
Publication date
Application filed by Акционерное общество открытого типа "Светогорск" filed Critical Акционерное общество открытого типа "Светогорск"
Priority to RU95113735A priority Critical patent/RU2078168C1/en
Priority claimed from RU95113735A external-priority patent/RU2078168C1/en
Application granted granted Critical
Publication of RU2078168C1 publication Critical patent/RU2078168C1/en
Publication of RU95113735A publication Critical patent/RU95113735A/en

Links

Claims (1)

Способ получения целлюлозы путем варки целлюлозосодержащего сырья в щелочном растворе в присутствии добавки - нейтрализованного водным раствором едкого натра жидкого продукта пиролиза древесины, содержащего водорастворимую пирогенную древесную смолу, при расходе указанной добавки 0,5 - 3,0% от массы абсолютно сухого сырья, отличающийся тем, что в качестве добавки используют нейтрализованный водным раствором едкого натра жидкий продукт пиролиза древесины, дополнительно содержащий нерастворимую в воде отстойную пирогенную древесную смолу и экстракционную пирогенную древесную смолу при массовом соотношении водорастворимой пирогенной смолы, нерастворимой в воде пирогенной смолы и экстракционной пирогенной смолы соответственно 1,0 : 0,5 : 0,5 - 1 : 1 : 1.The method of producing cellulose by cooking cellulose-containing raw materials in an alkaline solution in the presence of an additive - a wood pyrolysis liquid product neutralized with an aqueous solution of caustic soda containing wood-soluble pyrogenic wood resin, at a flow rate of said additive of 0.5-3.0% by weight of absolutely dry raw materials, characterized in that, as an additive, a liquid product of wood pyrolysis neutralized with an aqueous solution of caustic soda is used, additionally containing water-insoluble settling pyrogenic wood smo lu and extraction pyrogenic wood resin in a weight ratio of water-soluble pyrogenic resin, water-insoluble pyrogenic resin and extraction pyrogenic resin, respectively 1.0: 0.5: 0.5 to 1: 1: 1.
RU95113735A 1995-08-10 1995-08-10 Method of cellulose production RU2078168C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU95113735A RU2078168C1 (en) 1995-08-10 1995-08-10 Method of cellulose production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95113735A RU2078168C1 (en) 1995-08-10 1995-08-10 Method of cellulose production

Publications (2)

Publication Number Publication Date
RU2078168C1 RU2078168C1 (en) 1997-04-27
RU95113735A true RU95113735A (en) 1997-08-10

Family

ID=20170854

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95113735A RU2078168C1 (en) 1995-08-10 1995-08-10 Method of cellulose production

Country Status (1)

Country Link
RU (1) RU2078168C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2312835C2 (en) * 2005-11-07 2007-12-20 Открытое акционерное общество "Котласский целлюлозно-бумажный комбинат" Complex additive and raw mixture for preparing concrete

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