NO742827L - - Google Patents

Info

Publication number: NO742827L
Authority: NO; Norway
Prior art keywords: sodium; mixture; sodium chloride; solution; sulphide
Prior art date: 1973-08-07

Application number

NO742827A

Other languages

English (en)

Norwegian (no)

Inventor

D W Reeve

Original Assignee

Erco Envirotech Ltd

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.)

1973-08-07

Filing date

1974-08-05

Publication date

1975-03-03

1974-08-05 Application filed by Erco Envirotech Ltd filed Critical Erco Envirotech Ltd

1975-03-03 Publication of NO742827L publication Critical patent/NO742827L/no

Links

FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 562
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 342
239000011780 sodium chloride Substances 0.000 claims description 281
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 275
GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 250
239000000243 solution Substances 0.000 claims description 190
229910000029 sodium carbonate Inorganic materials 0.000 claims description 170
229910052938 sodium sulfate Inorganic materials 0.000 claims description 166
235000011152 sodium sulphate Nutrition 0.000 claims description 166
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 158
238000000034 method Methods 0.000 claims description 123
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 107
239000000203 mixture Substances 0.000 claims description 99
238000004061 bleaching Methods 0.000 claims description 95
239000007864 aqueous solution Substances 0.000 claims description 62
238000005406 washing Methods 0.000 claims description 57
239000007788 liquid Substances 0.000 claims description 52
239000007787 solid Substances 0.000 claims description 49
238000002386 leaching Methods 0.000 claims description 46
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 38
239000000126 substance Substances 0.000 claims description 32
229910052979 sodium sulfide Inorganic materials 0.000 claims description 31
239000003518 caustics Substances 0.000 claims description 30
229910052801 chlorine Inorganic materials 0.000 claims description 28
238000000605 extraction Methods 0.000 claims description 28
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 26
239000000460 chlorine Substances 0.000 claims description 26
238000010411 cooking Methods 0.000 claims description 25
238000009835 boiling Methods 0.000 claims description 24
229910052708 sodium Inorganic materials 0.000 claims description 24
239000002244 precipitate Substances 0.000 claims description 23
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 claims description 22
239000011734 sodium Substances 0.000 claims description 22
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 21
229920001131 Pulp (paper) Polymers 0.000 claims description 20
239000012452 mother liquor Substances 0.000 claims description 20
239000008247 solid mixture Substances 0.000 claims description 20
239000004155 Chlorine dioxide Substances 0.000 claims description 19
235000019398 chlorine dioxide Nutrition 0.000 claims description 19
238000004140 cleaning Methods 0.000 claims description 16
238000001816 cooling Methods 0.000 claims description 16
239000013078 crystal Substances 0.000 claims description 16
238000005194 fractionation Methods 0.000 claims description 15
239000012736 aqueous medium Substances 0.000 claims description 14
238000004064 recycling Methods 0.000 claims description 13
239000007844 bleaching agent Substances 0.000 claims description 12
238000004519 manufacturing process Methods 0.000 claims description 11
238000001556 precipitation Methods 0.000 claims description 11
229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
235000008733 Citrus aurantifolia Nutrition 0.000 claims description 8
235000011941 Tilia x europaea Nutrition 0.000 claims description 8
239000004571 lime Substances 0.000 claims description 8
238000000926 separation method Methods 0.000 claims description 7
239000002023 wood Substances 0.000 claims description 6
239000000835 fiber Substances 0.000 claims description 4
239000002657 fibrous material Substances 0.000 claims description 4
230000007935 neutral effect Effects 0.000 claims description 3
239000000725 suspension Substances 0.000 claims description 3
229920002678 cellulose Polymers 0.000 claims description 2
239000001913 cellulose Substances 0.000 claims description 2
238000000746 purification Methods 0.000 claims description 2
230000001376 precipitating effect Effects 0.000 claims 3
239000012141 concentrate Substances 0.000 claims 2
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
229920002522 Wood fibre Polymers 0.000 claims 1
238000009825 accumulation Methods 0.000 claims 1
238000010936 aqueous wash Methods 0.000 claims 1
150000001805 chlorine compounds Chemical class 0.000 claims 1
238000007654 immersion Methods 0.000 claims 1
229940088417 precipitated calcium carbonate Drugs 0.000 claims 1
229910021653 sulphate ion Inorganic materials 0.000 claims 1
239000002025 wood fiber Substances 0.000 claims 1
238000001704 evaporation Methods 0.000 description 48
230000008020 evaporation Effects 0.000 description 47
239000000155 melt Substances 0.000 description 41
238000002425 crystallisation Methods 0.000 description 28
230000008025 crystallization Effects 0.000 description 25
230000004048 modification Effects 0.000 description 24
238000012986 modification Methods 0.000 description 24
238000004090 dissolution Methods 0.000 description 19
238000010586 diagram Methods 0.000 description 13
238000011084 recovery Methods 0.000 description 13
230000008929 regeneration Effects 0.000 description 11
238000011069 regeneration method Methods 0.000 description 11
241001062472 Stokellia anisodon Species 0.000 description 8
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 8
150000003839 salts Chemical class 0.000 description 8
230000002378 acidificating effect Effects 0.000 description 7
150000001875 compounds Chemical class 0.000 description 7
229920006395 saturated elastomer Polymers 0.000 description 6
239000010802 sludge Substances 0.000 description 6
150000003464 sulfur compounds Chemical class 0.000 description 6
230000015572 biosynthetic process Effects 0.000 description 5
238000010790 dilution Methods 0.000 description 5
239000012895 dilution Substances 0.000 description 5
238000003723 Smelting Methods 0.000 description 4
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
239000003513 alkali Substances 0.000 description 4
229910001514 alkali metal chloride Inorganic materials 0.000 description 4
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
125000001309 chloro group Chemical group Cl* 0.000 description 4
239000004744 fabric Substances 0.000 description 4
239000002655 kraft paper Substances 0.000 description 4
239000001301 oxygen Substances 0.000 description 4
229910052760 oxygen Inorganic materials 0.000 description 4
125000004436 sodium atom Chemical group 0.000 description 4
229910052717 sulfur Inorganic materials 0.000 description 4
239000011593 sulfur Substances 0.000 description 4
BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 3
229920003043 Cellulose fiber Polymers 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
239000000123 paper Substances 0.000 description 3
238000011282 treatment Methods 0.000 description 3
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
229910052783 alkali metal Inorganic materials 0.000 description 2
150000001340 alkali metals Chemical class 0.000 description 2
238000010276 construction Methods 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
238000000151 deposition Methods 0.000 description 2
238000005868 electrolysis reaction Methods 0.000 description 2
239000002609 medium Substances 0.000 description 2
230000003647 oxidation Effects 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
229920001021 polysulfide Polymers 0.000 description 2
GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
-1 sodium sulphate Chemical class 0.000 description 2
AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 2
235000019345 sodium thiosulphate Nutrition 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
206010015137 Eructation Diseases 0.000 description 1
239000005708 Sodium hypochlorite Substances 0.000 description 1
239000004133 Sodium thiosulphate Substances 0.000 description 1
BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical class [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
OHDVHWAWMUKQFF-UHFFFAOYSA-N [O].[Na].[S] Chemical class [O].[Na].[S] OHDVHWAWMUKQFF-UHFFFAOYSA-N 0.000 description 1
239000002253 acid Substances 0.000 description 1
229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
150000008041 alkali metal carbonates Chemical class 0.000 description 1
229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
239000008346 aqueous phase Substances 0.000 description 1
208000027687 belching Diseases 0.000 description 1
FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical class OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
239000000920 calcium hydroxide Substances 0.000 description 1
235000011116 calcium hydroxide Nutrition 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
238000009993 causticizing Methods 0.000 description 1
238000001311 chemical methods and process Methods 0.000 description 1
238000005660 chlorination reaction Methods 0.000 description 1
239000012459 cleaning agent Substances 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
238000011109 contamination Methods 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000007865 diluting Methods 0.000 description 1
239000000706 filtrate Substances 0.000 description 1
238000010304 firing Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
239000013067 intermediate product Substances 0.000 description 1
239000002608 ionic liquid Substances 0.000 description 1
239000010985 leather Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
238000002156 mixing Methods 0.000 description 1
230000000422 nocturnal effect Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000012071 phase Substances 0.000 description 1
239000000047 product Substances 0.000 description 1
239000002994 raw material Substances 0.000 description 1
239000012047 saturated solution Substances 0.000 description 1
239000013535 sea water Substances 0.000 description 1
238000007789 sealing Methods 0.000 description 1
235000015424 sodium Nutrition 0.000 description 1
SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
HYHCSLBZRBJJCH-UHFFFAOYSA-N sodium polysulfide Chemical compound [Na+].S HYHCSLBZRBJJCH-UHFFFAOYSA-N 0.000 description 1
235000010265 sodium sulphite Nutrition 0.000 description 1
XHFLOLLMZOTPSM-UHFFFAOYSA-M sodium;hydrogen carbonate;hydrate Chemical compound [OH-].[Na+].OC(O)=O XHFLOLLMZOTPSM-UHFFFAOYSA-M 0.000 description 1
ZNKXTIAQRUWLRL-UHFFFAOYSA-M sodium;sulfane;hydroxide Chemical class O.[Na+].[SH-] ZNKXTIAQRUWLRL-UHFFFAOYSA-M 0.000 description 1
239000007790 solid phase Substances 0.000 description 1
239000012265 solid product Substances 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
239000013589 supplement Substances 0.000 description 1
230000001502 supplementing effect Effects 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
230000002588 toxic effect Effects 0.000 description 1
239000002699 waste material Substances 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0042—Fractionating or concentration of spent liquors by special methods
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye

Landscapes

Paper (AREA)
Noodles (AREA)

NO742827A 1973-08-07 1974-08-05 NO742827L (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3741373		1973-08-07

Publications (1)

Publication Number	Publication Date
NO742827L true NO742827L (fr)	1975-03-03

Family

ID=10396310

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO742827A NO742827L (fr)	1973-08-07	1974-08-05

Country Status (4)

Country	Link
ES (1)	ES429003A1 (fr)
FI (1)	FI58523C (fr)
NO (1)	NO742827L (fr)
SE (1)	SE403633B (fr)

1974
- 1974-08-05 NO NO742827A patent/NO742827L/no unknown
- 1974-08-06 SE SE7410086A patent/SE403633B/xx unknown
- 1974-08-06 ES ES429003A patent/ES429003A1/es not_active Expired
- 1974-08-07 FI FI2351/74A patent/FI58523C/fi active

Also Published As

Publication number	Publication date
SE403633B (sv)	1978-08-28
FI235174A7 (fr)	1975-02-08
SE7410086L (fr)	1975-02-10
FI58523C (fi)	1981-02-10
ES429003A1 (es)	1976-08-16
FI58523B (fi)	1980-10-31

Publication	Publication Date	Title
BR112015001412B1 (pt)	2021-05-18	métodos para remoção de polpa a partir de madeira e recuperação de produto químico de formação de polpa a partir de licor negro, e para a recuperação de produtos químicos de formação de polpa de madeira a partir de licor negro
CA1070457A (fr)	1980-01-29	Elimination du chlorure de soude en fabrication de la pate a papier
US3746612A (en)	1973-07-17	Removal of sodium chloride from white pulping liquor
US5702570A (en)	1997-12-30	Process of producing sodium hydroxide from sodium sulphate in a pulp mill
US4329199A (en)	1982-05-11	Process for digesting and bleaching cellulosic material with reduced emissions
FI62363B (fi)	1982-08-31	Foerfarande foer aotervinning av natriumklorid fraon cellulosafabrikens processer
US4093508A (en)	1978-06-06	Process for recovering chemicals from the waste liquors of sulfate cellulose digestion and the waste waters of bleaching
US3950217A (en)	1976-04-13	Removal of sodium chloride from pulping operations
CA1058358A (fr)	1979-07-17	Extraction du chlorure de sodium des liquides sulfuriques
US3650889A (en)	1972-03-21	Pollution controlled polysulfide recovery process
US5607548A (en)	1997-03-04	Process for dividing the sulphide content of the green liquor for the production of white liquors having high and low sulphidity
US4253911A (en)	1981-03-03	Process for maintaining a low sodium chloride content in recycled sodium chemicals of sodium-based pulp manufacturing processes
US4249990A (en)	1981-02-10	Process for removal of potassium values from pulp mill liquors
NO742827L (fr)	1975-03-03
SE466551B (sv)	1992-03-02	Foerfarande foer aatervinning av avlutarna fraan kokning och blekning av cellulosa
US3945880A (en)	1976-03-23	Sodium chloride removal in pulp mill systems
CA1064206A (fr)	1979-10-16	Methode de recuperation de substances par l'extraction de solutions usees de la delignification de matieres lignocellulosiques au moyen d'agents de blanchiment generateurs de chlorure
NO762084L (fr)	1976-12-20
CA1059271A (fr)	1979-07-31	Suppression du chlorure de sodium dans les installations de fabrication de pate a papier
SU1109057A3 (ru)	1984-08-15	Способ получени целлюлозы
CA1109611A (fr)	1981-09-29	Procede au potassium pour usines de pates
CA1102055A (fr)	1981-06-02	Systeme modifie pour la recuperation de chlorure de sodium a partir de la lessive blanche
NO772300L (no)	1979-01-02	Fremgangsmaate ved koking av cellulosefibre
SE435304B (sv)	1984-09-17	Utnyttjande av vid kokvetskeberedning framstellt svavelvete vid framstellning av klordioxid for blekning
NO743078L (fr)	1975-03-24