SU469782A1 - Cellulose Bleaching Method - Google Patents
Cellulose Bleaching MethodInfo
- Publication number
- SU469782A1 SU469782A1 SU1648934A SU1648934A SU469782A1 SU 469782 A1 SU469782 A1 SU 469782A1 SU 1648934 A SU1648934 A SU 1648934A SU 1648934 A SU1648934 A SU 1648934A SU 469782 A1 SU469782 A1 SU 469782A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- bleaching method
- cellulose
- cellulose bleaching
- chlorine dioxide
- treatment
- Prior art date
Links
Landscapes
- Paper (AREA)
Description
ваниЯМ ГОСТа № 5982-59 иа сульфитную вискозную целлюлозу (дл содержание смолы и золы 0,2 и 0,06% -соответственно, содержание железа 10,0 мг/кг, белизна 90,0%;Vanium IG of state standard specification No. 5982-59 and sulfite viscose pulp (for resin and ash content of 0.2 and 0.06%, respectively, iron content 10.0 mg / kg, whiteness 90.0%;
дл штапел указанные величины составл ютfor staples, the indicated values are
0,3 и 0,08%, 20,0 мг/кг, 89,0% соответственно).0.3 and 0.08%, 20.0 mg / kg, 89.0%, respectively).
В таблице приведены результаты, полученНые при отбелке целлюлозы известным иThe table shows the results obtained by bleaching the known pulp and
предлагаемым способами.proposed ways.
Расход двуокиси хлора рассчитан по двуокиси хлора. Chlorine dioxide consumption is calculated using chlorine dioxide.
Предмет изобретени Subject invention
Способ отбелки целлюлозы с применением обработки целлюлозы двуокисью хлора и хлором , щелочаого облагораживани и ооСледующей двухступенчатой гипохлоритной обработкой , отличающийс тем, что, с цельюA method of bleaching cellulose using chlorine dioxide and chlorine treatment of cellulose, alkaline refining and the following two-step hypochlorite treatment, characterized in that
улучшени качества целевого продукта « устранени смол ных отложений, исходную целлюлозу перед двухступенчатой пипохлоритной обработкой подвергают обработке двуокисью хлора, шелочнОМу облагораживанию и обработке хлором.improving the quality of the target product, the removal of tar deposits, the initial cellulose is treated with chlorine dioxide, silk refining and chlorine treatment before two-stage pipochlorite treatment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1648934A SU469782A1 (en) | 1971-04-13 | 1971-04-13 | Cellulose Bleaching Method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1648934A SU469782A1 (en) | 1971-04-13 | 1971-04-13 | Cellulose Bleaching Method |
Publications (1)
Publication Number | Publication Date |
---|---|
SU469782A1 true SU469782A1 (en) | 1975-05-05 |
Family
ID=20473042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1648934A SU469782A1 (en) | 1971-04-13 | 1971-04-13 | Cellulose Bleaching Method |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU469782A1 (en) |
-
1971
- 1971-04-13 SU SU1648934A patent/SU469782A1/en active
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