CA1141507A - Procede de defibrage du cedre - Google Patents

Procede de defibrage du cedre

Info

Publication number: CA1141507A
Authority: CA; Canada
Prior art keywords: vessel; chips; pressure; impregnation; gaseous
Prior art date: 1975-02-12
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

CA000335708A

Other languages

English (en)

Inventor

John Gordy

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.)

NEW FIBERS INTERNATIONAL Corp

Original Assignee

NEW FIBERS INTERNATIONAL Corp

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.)

1975-02-12

Filing date

1979-09-14

Publication date

1983-02-22

1975-02-12 Priority claimed from CA219,908A external-priority patent/CA1095663A/fr

1979-09-14 Application filed by NEW FIBERS INTERNATIONAL Corp filed Critical NEW FIBERS INTERNATIONAL Corp

1983-02-22 Application granted granted Critical

1983-02-22 Publication of CA1141507A publication Critical patent/CA1141507A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 27
241000218645 Cedrus Species 0.000 title claims abstract description 19
239000002023 wood Substances 0.000 claims abstract description 16
229920002522 Wood fibre Polymers 0.000 claims abstract description 5
239000002025 wood fiber Substances 0.000 claims abstract description 5
238000005470 impregnation Methods 0.000 claims description 50
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 48
239000007788 liquid Substances 0.000 claims description 31
239000000376 reactant Substances 0.000 claims description 27
239000006227 byproduct Substances 0.000 claims description 12
QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 11
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
229920005610 lignin Polymers 0.000 claims description 6
238000006243 chemical reaction Methods 0.000 claims description 5
239000002657 fibrous material Substances 0.000 claims description 4
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 2
GRYSXUXXBDSYRT-WOUKDFQISA-N (2r,3r,4r,5r)-2-(hydroxymethyl)-4-methoxy-5-[6-(methylamino)purin-9-yl]oxolan-3-ol Chemical compound C1=NC=2C(NC)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1OC GRYSXUXXBDSYRT-WOUKDFQISA-N 0.000 claims 1
239000000463 material Substances 0.000 abstract description 9
238000009413 insulation Methods 0.000 abstract description 3
238000012856 packing Methods 0.000 abstract description 3
239000003337 fertilizer Substances 0.000 description 22
239000007789 gas Substances 0.000 description 21
238000011084 recovery Methods 0.000 description 13
241000196324 Embryophyta Species 0.000 description 12
238000003860 storage Methods 0.000 description 12
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
239000000243 solution Substances 0.000 description 7
239000000126 substance Substances 0.000 description 7
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 6
239000000908 ammonium hydroxide Substances 0.000 description 6
239000007792 gaseous phase Substances 0.000 description 6
229910017604 nitric acid Inorganic materials 0.000 description 6
239000007791 liquid phase Substances 0.000 description 5
229910021529 ammonia Inorganic materials 0.000 description 4
239000013522 chelant Substances 0.000 description 4
239000000470 constituent Substances 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
239000002655 kraft paper Substances 0.000 description 4
AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 description 3
VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 3
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 3
229910052921 ammonium sulfate Inorganic materials 0.000 description 3
235000011130 ammonium sulphate Nutrition 0.000 description 3
238000004891 communication Methods 0.000 description 3
238000010411 cooking Methods 0.000 description 3
238000013461 design Methods 0.000 description 3
229910001447 ferric ion Inorganic materials 0.000 description 3
229910052500 inorganic mineral Inorganic materials 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
229910021645 metal ion Inorganic materials 0.000 description 3
239000011707 mineral Substances 0.000 description 3
235000000346 sugar Nutrition 0.000 description 3
238000012546 transfer Methods 0.000 description 3
239000002699 waste material Substances 0.000 description 3
229920003043 Cellulose fiber Polymers 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
238000013459 approach Methods 0.000 description 2
239000012298 atmosphere Substances 0.000 description 2
230000009920 chelation Effects 0.000 description 2
238000009833 condensation Methods 0.000 description 2
230000005494 condensation Effects 0.000 description 2
238000010276 construction Methods 0.000 description 2
230000007613 environmental effect Effects 0.000 description 2
239000011344 liquid material Substances 0.000 description 2
150000002739 metals Chemical class 0.000 description 2
239000012071 phase Substances 0.000 description 2
238000012545 processing Methods 0.000 description 2
238000007789 sealing Methods 0.000 description 2
239000002689 soil Substances 0.000 description 2
150000008163 sugars Chemical class 0.000 description 2
231100000331 toxic Toxicity 0.000 description 2
230000002588 toxic effect Effects 0.000 description 2
238000013022 venting Methods 0.000 description 2
238000005406 washing Methods 0.000 description 2
229910052725 zinc Inorganic materials 0.000 description 2
239000011701 zinc Substances 0.000 description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
229910017974 NH40H Inorganic materials 0.000 description 1
229920001131 Pulp (paper) Polymers 0.000 description 1
239000002253 acid Substances 0.000 description 1
230000005791 algae growth Effects 0.000 description 1
230000004075 alteration Effects 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
239000013043 chemical agent Substances 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000010960 commercial process Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
239000002826 coolant Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
239000000835 fiber Substances 0.000 description 1
238000005187 foaming Methods 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
238000009434 installation Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
230000013011 mating Effects 0.000 description 1
238000012806 monitoring device Methods 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
230000001473 noxious effect Effects 0.000 description 1
238000009275 open burning Methods 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
239000002574 poison Substances 0.000 description 1
231100000614 poison Toxicity 0.000 description 1
239000000843 powder Substances 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
238000004537 pulping Methods 0.000 description 1
230000036647 reaction Effects 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000011347 resin Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
-1 steam Substances 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
150000003464 sulfur compounds Chemical class 0.000 description 1
150000003568 thioethers Chemical class 0.000 description 1

Landscapes

Fertilizers (AREA)

CA000335708A 1975-02-12 1979-09-14 Procede de defibrage du cedre Expired CA1141507A (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
CA219,908A CA1095663A (fr)	1975-02-12	1975-02-12	Methode de defibrage
US96297078A	1978-11-22	1978-11-22
US962,970		1978-11-22

Publications (1)

Publication Number	Publication Date
CA1141507A true CA1141507A (fr)	1983-02-22

Family

ID=25667825

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000335708A Expired CA1141507A (fr)	1975-02-12	1979-09-14	Procede de defibrage du cedre

Country Status (1)

Country	Link
CA (1)	CA1141507A (fr)

1979
- 1979-09-14 CA CA000335708A patent/CA1141507A/fr not_active Expired

Legal Events

Date	Code	Title	Description
2000-02-22	MKEX	Expiry

Publication	Publication Date	Title
US4259147A (en)	1981-03-31	Pulping process
US9683329B2 (en)	2017-06-20	Methods of producing a paper product
US3726756A (en)	1973-04-10	Pulping of woody substances in gaseous media
NO162733B (no)	1989-10-30	Fremgangsmaate for fremstilling av kokevaeske for kraftmassekoking samt kokevaeske for dette.
CA1107920A (fr)	1981-09-01	Systeme de prevaporisation des copeaux de bois sous pression atmospherique ou quasi-atmospherique avec un flux minimum d'air
CA1141507A (fr)	1983-02-22	Procede de defibrage du cedre
US4259151A (en)	1981-03-31	Pulping apparatus
CA2608090A1 (fr)	2006-11-16	Nouveaux produits et procedes issus d'une bioraffinerie de produits forestiers
EP1618248B1 (fr)	2011-08-10	Impregnation de liquide acide dans des copeaux avant un procede de fabrication de pate au sulfate
US5385641A (en)	1995-01-31	Delignification of cellulosic raw materials using acetic acid, nitric acid and ozone
FI95723B (fi)	1995-11-30	Menetelmä suovan hapottamiseksi suurella yliannostuksella NaHSO3-liuosta
US2999783A (en)	1961-09-12	Process for simultaneous production of high alpha-pulp with furfural from latifoliate tree materials
CA1232785A (fr)	1988-02-16	Dispositif de traitement des pates de lignocellulose par recours a une phase gazeuse
CA1129162A (fr)	1982-08-10	Systeme de recuperation de reactif provenant du traitement des pates de bois
FI73020C (fi)	1987-08-10	Foerfarande foer delignifiering/blekning av cellulosamassa.
US4130457A (en)	1978-12-19	Method of pulping with polysulfide
US3193444A (en)	1965-07-06	Continuous sulphate pulping method with countercurrent heating and concurrent cooking zones and apparatus therefor
EP1874997B1 (fr)	2012-04-04	Production de pate en utilisant un agent organique gazeux comme milieu de chauffage et d'acceleration de reaction
Kondo et al.	1984	Formation and reaction of coniferyl alcohol during alkaline pulping
Westmoreland et al.	1991	Sulfur dioxide-ethanol-water pulping of hardwoods
US4115186A (en)	1978-09-19	Process for bleaching cellulose pulp with molecular oxygen
FI80083B (fi)	1989-12-29	Foerfarande och anordning foer foerbehandling av cellulosahaltigt raoaemne.
CA1088260A (fr)	1980-10-28	Procede de fabrication d'un produit semi-fin a partir, de legumines haches
NO130020B (fr)	1974-06-24
CN215139750U (zh)	2021-12-14	一种化学反应釜的防爆保护装置