FI111177B - Laite ja menetelmä teollisuusprosessin alkaliteetin ja pH-arvon ohjaamiseksi - Google Patents

Laite ja menetelmä teollisuusprosessin alkaliteetin ja pH-arvon ohjaamiseksi Download PDF

Info

Publication number: FI111177B
Authority: FI; Finland
Prior art keywords: water; alkalinity; acidic; reactor; inlet
Prior art date: 2001-12-12

Application number

FI20012442A

Other languages

English (en)

Finnish (fi)

Swedish (sv)

Other versions

FI20012442A0 (fi

Inventor

Hannu Leino

Original Assignee

Linde Ag

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.)

2001-12-12

Filing date

2001-12-12

Publication date

2003-06-13

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8562461&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI111177(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2001-12-12 Application filed by Linde Ag filed Critical Linde Ag

2001-12-12 Priority to FI20012442A priority Critical patent/FI111177B/fi

2001-12-12 Publication of FI20012442A0 publication Critical patent/FI20012442A0/fi

2002-12-12 Priority to EP02785467A priority patent/EP1461499B1/de

2002-12-12 Priority to CNB028279964A priority patent/CN1309906C/zh

2002-12-12 Priority to AT02785467T priority patent/ATE384826T1/de

2002-12-12 Priority to AU2002350774A priority patent/AU2002350774B2/en

2002-12-12 Priority to ES02785467T priority patent/ES2299611T3/es

2002-12-12 Priority to US10/488,183 priority patent/US7175759B2/en

2002-12-12 Priority to PCT/FI2002/001012 priority patent/WO2003050356A1/en

2002-12-12 Priority to EP08100636A priority patent/EP1953120A1/de

2002-12-12 Priority to DE60224835T priority patent/DE60224835T2/de

2002-12-12 Priority to CA2469389A priority patent/CA2469389C/en

2003-06-13 Publication of FI111177B publication Critical patent/FI111177B/fi

2003-06-13 Application granted granted Critical

2004-07-09 Priority to NO20042909A priority patent/NO337068B1/no

Links

238000000034 method Methods 0.000 title claims abstract description 95
238000004519 manufacturing process Methods 0.000 title claims abstract description 67
239000000126 substance Substances 0.000 claims abstract description 77
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
230000002378 acidificating effect Effects 0.000 claims abstract description 64
239000000203 mixture Substances 0.000 claims abstract description 37
230000003139 buffering effect Effects 0.000 claims abstract description 25
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 72
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 34
239000000463 material Substances 0.000 claims description 26
239000000725 suspension Substances 0.000 claims description 25
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 19
239000002253 acid Substances 0.000 claims description 18
239000003795 chemical substances by application Substances 0.000 claims description 18
229910002092 carbon dioxide Inorganic materials 0.000 claims description 17
238000006243 chemical reaction Methods 0.000 claims description 16
239000001569 carbon dioxide Substances 0.000 claims description 15
238000011282 treatment Methods 0.000 claims description 15
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
239000002585 base Substances 0.000 claims description 12
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
239000012736 aqueous medium Substances 0.000 claims description 9
239000000872 buffer Substances 0.000 claims description 9
229910000019 calcium carbonate Inorganic materials 0.000 claims description 9
239000007787 solid Substances 0.000 claims description 9
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 7
-1 alum Chemical compound 0.000 claims description 7
239000012062 aqueous buffer Substances 0.000 claims description 7
229910001424 calcium ion Inorganic materials 0.000 claims description 7
239000007788 liquid Substances 0.000 claims description 7
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 6
229910052783 alkali metal Inorganic materials 0.000 claims description 6
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 6
150000002500 ions Chemical class 0.000 claims description 6
238000012544 monitoring process Methods 0.000 claims description 6
239000007864 aqueous solution Substances 0.000 claims description 5
239000013505 freshwater Substances 0.000 claims description 5
238000002156 mixing Methods 0.000 claims description 5
150000007524 organic acids Chemical class 0.000 claims description 5
238000001556 precipitation Methods 0.000 claims description 5
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
229940037003 alum Drugs 0.000 claims description 4
229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
238000007865 diluting Methods 0.000 claims description 4
239000002351 wastewater Substances 0.000 claims description 4
UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 3
238000001816 cooling Methods 0.000 claims description 3
150000007522 mineralic acids Chemical class 0.000 claims description 3
229910000288 alkali metal carbonate Inorganic materials 0.000 claims description 2
150000008041 alkali metal carbonates Chemical class 0.000 claims description 2
150000008044 alkali metal hydroxides Chemical class 0.000 claims description 2
229910000318 alkali metal phosphate Inorganic materials 0.000 claims description 2
150000001340 alkali metals Chemical class 0.000 claims description 2
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
239000000920 calcium hydroxide Substances 0.000 claims description 2
229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 2
229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
239000001488 sodium phosphate Substances 0.000 claims description 2
229910000162 sodium phosphate Inorganic materials 0.000 claims description 2
RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
239000002699 waste material Substances 0.000 claims description 2
NGWKGSCSHDHHAJ-YPFQVHCOSA-N Liquoric acid Chemical compound C1C[C@H](O)C(C)(C)C2CC[C@@]3(C)[C@]4(C)C[C@H]5O[C@@H]([C@](C6)(C)C(O)=O)C[C@@]5(C)[C@@H]6C4=CC(=O)C3[C@]21C NGWKGSCSHDHHAJ-YPFQVHCOSA-N 0.000 claims 1
230000001376 precipitating effect Effects 0.000 claims 1
239000000376 reactant Substances 0.000 claims 1
238000003756 stirring Methods 0.000 claims 1
238000007792 addition Methods 0.000 description 13
239000012895 dilution Substances 0.000 description 10
238000010790 dilution Methods 0.000 description 10
BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 9
235000010216 calcium carbonate Nutrition 0.000 description 7
229920001131 Pulp (paper) Polymers 0.000 description 5
239000000835 fiber Substances 0.000 description 5
239000000243 solution Substances 0.000 description 5
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
238000004090 dissolution Methods 0.000 description 4
239000007789 gas Substances 0.000 description 4
239000002994 raw material Substances 0.000 description 4
238000004065 wastewater treatment Methods 0.000 description 4
150000007513 acids Chemical class 0.000 description 3
238000004061 bleaching Methods 0.000 description 3
239000007853 buffer solution Substances 0.000 description 3
239000011575 calcium Substances 0.000 description 3
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
238000005260 corrosion Methods 0.000 description 3
230000007797 corrosion Effects 0.000 description 3
239000003651 drinking water Substances 0.000 description 3
235000020188 drinking water Nutrition 0.000 description 3
239000012530 fluid Substances 0.000 description 3
238000000227 grinding Methods 0.000 description 3
230000002906 microbiologic effect Effects 0.000 description 3
235000011007 phosphoric acid Nutrition 0.000 description 3
238000004537 pulping Methods 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
235000018185 Betula X alpestris Nutrition 0.000 description 2
235000018212 Betula X uliginosa Nutrition 0.000 description 2
102000011045 Chloride Channels Human genes 0.000 description 2
108010062745 Chloride Channels Proteins 0.000 description 2
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
238000013019 agitation Methods 0.000 description 2
239000011260 aqueous acid Substances 0.000 description 2
230000004071 biological effect Effects 0.000 description 2
238000010411 cooking Methods 0.000 description 2
238000009826 distribution Methods 0.000 description 2
GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 2
239000000945 filler Substances 0.000 description 2
235000005985 organic acids Nutrition 0.000 description 2
KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
238000004064 recycling Methods 0.000 description 2
239000002002 slurry Substances 0.000 description 2
230000003068 static effect Effects 0.000 description 2
238000004448 titration Methods 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
241000196324 Embryophyta 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
235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
229910019142 PO4 Inorganic materials 0.000 description 1
235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
235000011613 Pinus brutia Nutrition 0.000 description 1
241000018646 Pinus brutia Species 0.000 description 1
240000003768 Solanum lycopersicum Species 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
238000003556 assay Methods 0.000 description 1
235000010338 boric acid Nutrition 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
238000004880 explosion Methods 0.000 description 1
239000000284 extract Substances 0.000 description 1
238000000605 extraction Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
238000005187 foaming Methods 0.000 description 1
238000000265 homogenisation Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
238000009434 installation Methods 0.000 description 1
STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 1
229940012189 methyl orange Drugs 0.000 description 1
238000003801 milling Methods 0.000 description 1
238000003541 multi-stage reaction Methods 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000002245 particle Substances 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
239000010452 phosphate Substances 0.000 description 1
239000000843 powder Substances 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
229940088417 precipitated calcium carbonate Drugs 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
235000012239 silicon dioxide Nutrition 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
238000005063 solubilization Methods 0.000 description 1
230000007928 solubilization Effects 0.000 description 1
238000003860 storage Methods 0.000 description 1
238000010977 unit operation Methods 0.000 description 1
238000005406 washing Methods 0.000 description 1
239000003643 water by type Substances 0.000 description 1
238000004383 yellowing Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/08—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
- D21H23/10—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH at least two kinds of compounds being added
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention

Landscapes

Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Paper (AREA)
Processing Of Solid Wastes (AREA)
Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Treating Waste Gases (AREA)
Studio Devices (AREA)
Control Of Non-Electrical Variables (AREA)
Treatment Of Sludge (AREA)

FI20012442A 2001-12-12 2001-12-12 Laite ja menetelmä teollisuusprosessin alkaliteetin ja pH-arvon ohjaamiseksi FI111177B (fi)

Priority Applications (12)

Application Number	Priority Date	Filing Date	Title
FI20012442A FI111177B (fi)	2001-12-12	2001-12-12	Laite ja menetelmä teollisuusprosessin alkaliteetin ja pH-arvon ohjaamiseksi
CA2469389A CA2469389C (en)	2001-12-12	2002-12-12	An apparatus and a method for controlling the alkalinity and ph of an industrial process
ES02785467T ES2299611T3 (es)	2001-12-12	2002-12-12	Aparato y metodo para controlar la alcalinidad y el ph de un proceso industrial.
CNB028279964A CN1309906C (zh)	2001-12-12	2002-12-12	控制工业过程的碱度和pH的装置和方法
AT02785467T ATE384826T1 (de)	2001-12-12	2002-12-12	Vorrichtung und methode zur gezielten einstellung vor alkalinität und ph bei einem technischen verfahren
AU2002350774A AU2002350774B2 (en)	2001-12-12	2002-12-12	An apparatus and a method for controlling the alkalinity and pH of an industrial process
EP02785467A EP1461499B1 (de)	2001-12-12	2002-12-12	Vorrichtung und methode zur gezielten einstellung vor alkalinität und ph bei einem technischen verfahren
US10/488,183 US7175759B2 (en)	2001-12-12	2002-12-12	Apparatus and a method for controlling the alkalinity and pH of an industrial process
PCT/FI2002/001012 WO2003050356A1 (en)	2001-12-12	2002-12-12	An apparatus and a method for controlling the alkalinity and ph of an industrial process
EP08100636A EP1953120A1 (de)	2001-12-12	2002-12-12	Vorrichtung und Verfahren zur Kontrolle der Alkalinität und des pH-Werts eines Industrieprozesses
DE60224835T DE60224835T2 (de)	2001-12-12	2002-12-12	Vorrichtung und methode zur gezielten einstellung vor alkalinität und ph bei einem technischen verfahren
NO20042909A NO337068B1 (no)	2001-12-12	2004-07-09	Apparatur og fremgangsmåte for å regulere alkalinitet og pH i en industriell prosess

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI20012442		2001-12-12
FI20012442A FI111177B (fi)	2001-12-12	2001-12-12	Laite ja menetelmä teollisuusprosessin alkaliteetin ja pH-arvon ohjaamiseksi

Publications (2)

Publication Number	Publication Date
FI20012442A0 FI20012442A0 (fi)	2001-12-12
FI111177B true FI111177B (fi)	2003-06-13

Family

ID=8562461

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI20012442A FI111177B (fi)	2001-12-12	2001-12-12	Laite ja menetelmä teollisuusprosessin alkaliteetin ja pH-arvon ohjaamiseksi

Country Status (11)

Country	Link
US (1)	US7175759B2 (de)
EP (2)	EP1461499B1 (de)
CN (1)	CN1309906C (de)
AT (1)	ATE384826T1 (de)
AU (1)	AU2002350774B2 (de)
CA (1)	CA2469389C (de)
DE (1)	DE60224835T2 (de)
ES (1)	ES2299611T3 (de)
FI (1)	FI111177B (de)
NO (1)	NO337068B1 (de)
WO (1)	WO2003050356A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI102911B1 (fi) *	1997-06-13	1999-03-15	Aga Ab	Menetelmä massasuspension pH:n stabiloimiseksi ja paperin tuottamiseksi stabiloidusta massasta
US7056419B2 (en)	2002-09-30	2006-06-06	American Air Liquide, Inc.	Methods for modifying electrical properties of papermaking compositions using carbon dioxide
DE10347919A1 (de) *	2003-10-15	2005-05-19	Voith Paper Patent Gmbh	Verfahren zum Einstellen eines pH-Werts und Maschine zur Herstellung einer Faserstoffbahn
US7785442B2 (en) *	2006-01-25	2010-08-31	Nalco Company	Method and arrangement for feeding chemicals into a papermaking process
US7550060B2 (en) *	2006-01-25	2009-06-23	Nalco Company	Method and arrangement for feeding chemicals into a process stream
US7938934B2 (en) *	2006-01-25	2011-05-10	Nalco Company	ASA emulsification with ultrasound
EP1816259A1 (de) *	2006-02-07	2007-08-08	L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude	Verwendung von Kohlendioxid zur Optimierung des pH-Werts im nassen Teil der Papiermachine
BRPI0708794B1 (pt) *	2006-03-13	2016-10-11	Fp Innovations	processo para deslignificação de uma polpa lignocelulósica em uma suspensão aquosa
FI120742B (fi) *	2006-05-10	2010-02-15	Outokumpu Oy	Menetelmä terästuotannon yhteydessä
FI20070126A0 (fi)	2006-09-08	2007-02-13	Linde Ag	Menetelmä hartsin poistamiseksi massasta ja hiilidioksidin tai (bi)karbonaatin käyttö tähän tarkoitukseen
FI120651B (fi) *	2007-04-30	2010-01-15	Linde Ag	Menetelmä energiankulutuksen vähentämiseksi massasuspension jauhatuksessa paperinvalmistusprosessissa
ATE480597T1 (de) *	2007-12-12	2010-09-15	Omya Development Ag	Verfahren zur herstellung von oberflächenreaktives fällungskalziumkarbonat
FI20085797A7 (fi) *	2008-08-27	2010-02-28	Linde Ag	Menetelmä puskuriliuoksen valmistamiseksi paperinvalmistusprosessissa
FI20105231L (fi)	2010-03-10	2011-09-11	Wetend Technologies Oy	Menetelmä ja reaktori yhden tai useamman kemikaalin sekoittamiseksi prosessinestevirtaukseen
GB201006347D0 (en) *	2010-04-16	2010-06-02	Linde Ag	Gas pressure control valve
US8951419B2 (en) *	2010-12-17	2015-02-10	Burnett Lime Company, Inc.	Method and apparatus for water treatment
FI126072B (en)	2013-03-18	2016-06-15	Linde Ag	Fiber filling procedure
DE102013105166B4 (de)	2013-05-21	2017-08-31	Grundwasserforschungsinstitut Gmbh Dresden	Verfahren zur bedarfsangepassten alkalischen Konditionierung von Gewässern
CN104591365B (zh) *	2014-10-31	2017-02-15	浙江海洋学院	液体酸度控制仪机及使用方法
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- 2001-12-12 FI FI20012442A patent/FI111177B/fi not_active IP Right Cessation
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ATE384826T1 (de)	2008-02-15
AU2002350774B2 (en)	2008-03-13
CN1309906C (zh)	2007-04-11
CA2469389C (en)	2010-11-23
FI20012442A0 (fi)	2001-12-12
NO20042909L (no)	2004-07-09
US20040238455A1 (en)	2004-12-02
WO2003050356A1 (en)	2003-06-19
DE60224835D1 (de)	2008-03-13
NO337068B1 (no)	2016-01-11
CN1617964A (zh)	2005-05-18
US7175759B2 (en)	2007-02-13
ES2299611T3 (es)	2008-06-01
EP1461499B1 (de)	2008-01-23
AU2002350774A1 (en)	2003-06-23
DE60224835T2 (de)	2009-01-22
CA2469389A1 (en)	2003-06-19
EP1953120A1 (de)	2008-08-06
EP1461499A1 (de)	2004-09-29

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Publication	Publication Date	Title
FI111177B (fi)	2003-06-13	Laite ja menetelmä teollisuusprosessin alkaliteetin ja pH-arvon ohjaamiseksi
FI102911B (fi)	1999-03-15	Menetelmä massasuspension pH:n stabiloimiseksi ja paperin tuottamiseks i stabiloidusta massasta
US7550060B2 (en)	2009-06-23	Method and arrangement for feeding chemicals into a process stream
US4198266A (en)	1980-04-15	Oxygen delignification of wood pulp
EP2167729B1 (de)	2013-11-20	Verfahren und anordnung für die zufuhr von chemikalien in einem papierherstellungsverfahren
US20100300632A1 (en)	2010-12-02	Method and arrangement for feeding chemicals into a pulp process stream
CZ9802011A3 (cs)	1999-03-17	Způsob odsiřování odpadních kouřových plynů
RU2350550C1 (ru)	2009-03-27	Способ и устройство для производства диоксида хлора
JP4523989B2 (ja)	2010-08-11	汚泥の削減方法および削減装置
EP0076788A1 (de)	1983-04-13	Verwendung von sauerstoffabgebenden Stoffen zur Herabsetzung der Dunkelfärbung von Pulpe
JP3691845B2 (ja)	2005-09-07	高濃度パルプ粒子を漂白するための反応装置
SE514687C2 (sv)	2001-04-02	Metod för eliminering av skadliga substanser i en processvätska
NO333781B1 (no)	2013-09-16	Fremgangsmate til bleking av mekanisk masse
AU2022265547A1 (en)	2023-11-16	Oxidation of sulphur species
FI20235507A1 (fi)	2024-11-09	Menetelmä ja järjestely pcc:n valmistamiseksi
EP2329078B1 (de)	2013-01-23	Verfahren zur herstellung einer pufferlösung in einem papierherstellungsverfahren
FI20235928A1 (fi)	2025-02-22	Menetelmä ja reaktori pcc:n valmistamiseksi
BR112021000948B1 (pt)	2025-03-25	Processo para controlar os níveis de sódio e enxofre em uma fábrica de celulose
SE442880B (sv)	1986-02-03	Forfarande for delignifiering/blekning av cellulosamassa med klordioxid/klor i samma steg
BR112021000948A2 (pt)	2021-04-20	processo para controlar os níveis de sódio e enxofre em uma fábrica de celulose