CA1061058A - Defibrage a l'oxygene - Google Patents

Defibrage a l'oxygene

Info

Publication number: CA1061058A
Authority: CA; Canada
Prior art keywords: pressure; oxygen; cooking; psi; digestor
Prior art date: 1975-05-13
Legal status (The legal status 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 status listed.): Expired

Application number

CA226,831A

Other languages

English (en)

Other versions

CA226831S (en

Inventor

Larry D. Markham

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Domtar Inc

Original Assignee

Domtar Inc

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.)

1975-05-13

Filing date

1975-05-13

Publication date

1979-08-28

1975-05-13 Application filed by Domtar Inc filed Critical Domtar Inc

1975-05-13 Priority to CA226,831A priority Critical patent/CA1061058A/fr

1979-08-28 Application granted granted Critical

1979-08-28 Publication of CA1061058A publication Critical patent/CA1061058A/fr

Status Expired legal-status Critical Current

Links

QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 58
229910052760 oxygen Inorganic materials 0.000 title claims abstract description 58
239000001301 oxygen Substances 0.000 title claims abstract description 58
238000004537 pulping Methods 0.000 title abstract description 11
238000010411 cooking Methods 0.000 claims abstract description 27
238000000034 method Methods 0.000 claims abstract description 26
239000007789 gas Substances 0.000 claims abstract description 25
239000000463 material Substances 0.000 claims abstract description 11
238000013022 venting Methods 0.000 claims abstract description 10
230000001351 cycling effect Effects 0.000 claims description 9
230000006872 improvement Effects 0.000 claims description 5
230000003245 working effect Effects 0.000 claims 1
238000002347 injection Methods 0.000 abstract 1
239000007924 injection Substances 0.000 abstract 1
230000008569 process Effects 0.000 description 11
230000029087 digestion Effects 0.000 description 9
239000002023 wood Substances 0.000 description 9
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
239000003513 alkali Substances 0.000 description 7
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
238000010926 purge Methods 0.000 description 5
229910002092 carbon dioxide Inorganic materials 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 4
239000007788 liquid Substances 0.000 description 4
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
239000001569 carbon dioxide Substances 0.000 description 3
239000001913 cellulose Substances 0.000 description 3
229920002678 cellulose Polymers 0.000 description 3
229910001882 dioxygen Inorganic materials 0.000 description 3
229910000029 sodium carbonate Inorganic materials 0.000 description 3
206010037544 Purging Diseases 0.000 description 2
208000036366 Sensation of pressure Diseases 0.000 description 2
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000035515 penetration Effects 0.000 description 2
239000000243 solution Substances 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
241000208140 Acer Species 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
239000012670 alkaline solution Substances 0.000 description 1
238000004061 bleaching Methods 0.000 description 1
230000000740 bleeding effect Effects 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000007792 gaseous phase Substances 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
239000000203 mixture Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
229960003903 oxygen Drugs 0.000 description 1
239000002245 particle Substances 0.000 description 1
229920000136 polysorbate Polymers 0.000 description 1
230000000750 progressive effect Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
239000013643 reference control Substances 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
235000017557 sodium bicarbonate Nutrition 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000009279 wet oxidation reaction Methods 0.000 description 1

Landscapes

Paper (AREA)

CA226,831A 1975-05-13 1975-05-13 Defibrage a l'oxygene Expired CA1061058A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA226,831A CA1061058A (fr)	1975-05-13	1975-05-13	Defibrage a l'oxygene

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA226,831A CA1061058A (fr)	1975-05-13	1975-05-13	Defibrage a l'oxygene

Publications (1)

Publication Number	Publication Date
CA1061058A true CA1061058A (fr)	1979-08-28

Family

ID=4103070

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA226,831A Expired CA1061058A (fr)	1975-05-13	1975-05-13	Defibrage a l'oxygene

Country Status (1)

Country	Link
CA (1)	CA1061058A (fr)

1975
- 1975-05-13 CA CA226,831A patent/CA1061058A/fr not_active Expired

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