SU605555A3 - Способ отбелки целлюлозной массы - Google Patents

Способ отбелки целлюлозной массы

Info

Publication number: SU605555A3
Authority: SU; USSR - Soviet Union
Prior art keywords: pulp; chlorine; chlorine dioxide; wastewater; amount
Prior art date: 1971-01-22

Application number

SU721737114A

Other languages

English (en)

Russian (ru)

Inventor

Дж. Голл Ральф

Х.Томпсон Фредерик

Original Assignee

Хукер Кемикал Корпорейшн (Фирма)

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.)

1971-01-22

Filing date

1972-01-12

Publication date

1978-04-30

1972-01-12 Application filed by Хукер Кемикал Корпорейшн (Фирма) filed Critical Хукер Кемикал Корпорейшн (Фирма)

1978-04-30 Application granted granted Critical

1978-04-30 Publication of SU605555A3 publication Critical patent/SU605555A3/ru

Links

238000000034 method Methods 0.000 title claims description 12
238000004061 bleaching Methods 0.000 title description 6
229920002678 cellulose Polymers 0.000 title description 2
239000001913 cellulose Substances 0.000 title description 2
WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 14
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 13
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 8
239000000460 chlorine Substances 0.000 claims description 8
229910052801 chlorine Inorganic materials 0.000 claims description 8
239000004155 Chlorine dioxide Substances 0.000 claims description 7
235000019398 chlorine dioxide Nutrition 0.000 claims description 7
239000000126 substance Substances 0.000 claims description 7
239000002351 wastewater Substances 0.000 claims description 7
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 4
229910052783 alkali metal Inorganic materials 0.000 claims description 4
239000000835 fiber Substances 0.000 claims description 4
-1 alkali metal hypochlorite Chemical class 0.000 claims description 3
238000004140 cleaning Methods 0.000 claims 1
239000007787 solid Substances 0.000 description 4
238000000605 extraction Methods 0.000 description 3
239000003513 alkali Substances 0.000 description 2
238000005660 chlorination reaction Methods 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
238000010979 pH adjustment Methods 0.000 description 1
238000004076 pulp bleaching Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

SU721737114A 1971-01-22 1972-01-12 Способ отбелки целлюлозной массы SU605555A3 (ru)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US10899571A	1971-01-22	1971-01-22

Publications (1)

Publication Number	Publication Date
SU605555A3 true SU605555A3 (ru)	1978-04-30

Family

ID=22325250

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SU721737114A SU605555A3 (ru)	1971-01-22	1972-01-12	Способ отбелки целлюлозной массы

Country Status (12)

Country	Link
JP (1)	JPS5020601B1 (es)
AU (1)	AU458729B2 (es)
BR (1)	BR7200385D0 (es)
CA (1)	CA975111A (es)
DE (1)	DE2202662A1 (es)
ES (1)	ES399036A1 (es)
FR (1)	FR2122963A5 (es)
IT (1)	IT946779B (es)
NL (1)	NL7200822A (es)
SE (1)	SE390991B (es)
SU (1)	SU605555A3 (es)
ZA (1)	ZA718559B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI884507L (fi) *	1987-10-05	1989-04-06	Champion Int Corp	Foerminskning av faerg i pappersfabriksavfallsvatten genom oxidering med klordioxid.

1971
- 1971-12-17 CA CA130,453A patent/CA975111A/en not_active Expired
- 1971-12-22 ZA ZA718559A patent/ZA718559B/xx unknown
- 1971-12-23 AU AU37265/71A patent/AU458729B2/en not_active Expired
1972
- 1972-01-12 SU SU721737114A patent/SU605555A3/ru active
- 1972-01-19 ES ES399036A patent/ES399036A1/es not_active Expired
- 1972-01-19 FR FR7201731A patent/FR2122963A5/fr not_active Expired
- 1972-01-20 NL NL7200822A patent/NL7200822A/xx unknown
- 1972-01-20 DE DE19722202662 patent/DE2202662A1/de active Pending
- 1972-01-21 IT IT19638/72A patent/IT946779B/it active
- 1972-01-21 SE SE7200707A patent/SE390991B/xx unknown
- 1972-01-21 JP JP47008244A patent/JPS5020601B1/ja active Pending
- 1972-01-24 BR BR385/72A patent/BR7200385D0/pt unknown

Also Published As

Publication number	Publication date
DE2202662A1 (de)	1972-08-03
AU3726571A (en)	1973-06-28
AU458729B2 (en)	1975-03-06
SE390991B (sv)	1977-01-31
BR7200385D0 (pt)	1973-07-17
JPS5020601B1 (es)	1975-07-16
IT946779B (it)	1973-05-21
FR2122963A5 (en)	1972-09-01
NL7200822A (es)	1972-07-25
ES399036A1 (es)	1975-06-01
ZA718559B (en)	1972-09-27
CA975111A (en)	1975-09-30

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