FI76642C - Foerfarande och apparat foer bestaemning av cellulosamassaegenskaper. - Google Patents

Foerfarande och apparat foer bestaemning av cellulosamassaegenskaper. Download PDF

Info

Publication number: FI76642C
Authority: FI; Finland
Prior art keywords: pulp; sample; vessel; suspension; analysis
Prior art date: 1982-06-16

Application number

FI832142A

Other languages

English (en)

Finnish (fi)

Swedish (sv)

Other versions

FI832142L (fi

FI832142A0 (fi

FI76642B (fi

Inventor

Kjell Aoke Malmgren

Original Assignee

Mo Och Domsjoe Ab

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.)

1982-06-16

Filing date

1983-06-14

Publication date

1988-11-10

1983-06-14 Application filed by Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab

1983-06-14 Publication of FI832142A0 publication Critical patent/FI832142A0/fi

1983-12-17 Publication of FI832142L publication Critical patent/FI832142L/fi

1988-07-29 Application granted granted Critical

1988-07-29 Publication of FI76642B publication Critical patent/FI76642B/fi

1988-11-10 Publication of FI76642C publication Critical patent/FI76642C/fi

Links

229920002678 cellulose Polymers 0.000 title claims description 5
239000001913 cellulose Substances 0.000 title claims description 5
238000000034 method Methods 0.000 claims description 51
238000006243 chemical reaction Methods 0.000 claims description 49
239000000725 suspension Substances 0.000 claims description 44
239000000835 fiber Substances 0.000 claims description 43
238000004458 analytical method Methods 0.000 claims description 38
230000003287 optical effect Effects 0.000 claims description 30
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
229920005610 lignin Polymers 0.000 claims description 26
239000000126 substance Substances 0.000 claims description 25
238000005406 washing Methods 0.000 claims description 15
238000005259 measurement Methods 0.000 claims description 13
238000005070 sampling Methods 0.000 claims description 11
238000012216 screening Methods 0.000 claims description 10
238000002474 experimental method Methods 0.000 claims description 8
239000007788 liquid Substances 0.000 claims description 7
238000004064 recycling Methods 0.000 claims description 6
238000004448 titration Methods 0.000 claims description 6
230000008859 change Effects 0.000 claims description 2
239000000463 material Substances 0.000 claims 1
239000000243 solution Substances 0.000 description 34
NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 27
239000012286 potassium permanganate Substances 0.000 description 24
239000013055 pulp slurry Substances 0.000 description 20
239000002002 slurry Substances 0.000 description 16
238000001035 drying Methods 0.000 description 15
AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 14
235000019345 sodium thiosulphate Nutrition 0.000 description 14
238000005303 weighing Methods 0.000 description 13
238000011002 quantification Methods 0.000 description 11
229940001474 sodium thiosulfate Drugs 0.000 description 11
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
238000004537 pulping Methods 0.000 description 9
230000008569 process Effects 0.000 description 8
ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 7
238000004061 bleaching Methods 0.000 description 7
239000011630 iodine Substances 0.000 description 7
229910052740 iodine Inorganic materials 0.000 description 7
235000008331 Pinus X rigitaeda Nutrition 0.000 description 6
235000011613 Pinus brutia Nutrition 0.000 description 6
241000018646 Pinus brutia Species 0.000 description 6
235000018185 Betula X alpestris Nutrition 0.000 description 4
235000018212 Betula X uliginosa Nutrition 0.000 description 4
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
229920001131 Pulp (paper) Polymers 0.000 description 4
229910001882 dioxygen Inorganic materials 0.000 description 4
238000012545 processing Methods 0.000 description 4
239000004133 Sodium thiosulphate Substances 0.000 description 3
229920002472 Starch Polymers 0.000 description 3
238000001514 detection method Methods 0.000 description 3
238000000605 extraction Methods 0.000 description 3
239000010802 sludge Substances 0.000 description 3
239000008107 starch Substances 0.000 description 3
235000019698 starch Nutrition 0.000 description 3
238000012360 testing method Methods 0.000 description 3
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
238000007605 air drying Methods 0.000 description 2
238000007664 blowing Methods 0.000 description 2
238000004364 calculation method Methods 0.000 description 2
238000005660 chlorination reaction Methods 0.000 description 2
238000010411 cooking Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
230000035484 reaction time Effects 0.000 description 2
238000011160 research Methods 0.000 description 2
239000007787 solid Substances 0.000 description 2
229910021653 sulphate ion Inorganic materials 0.000 description 2
238000011282 treatment Methods 0.000 description 2
229920003043 Cellulose fiber Polymers 0.000 description 1
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
241001168730 Simo Species 0.000 description 1
230000009471 action Effects 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
238000003556 assay Methods 0.000 description 1
239000007844 bleaching agent Substances 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000007865 diluting Methods 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
238000010981 drying operation Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000012535 impurity Substances 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
238000009533 lab test Methods 0.000 description 1
238000012417 linear regression Methods 0.000 description 1
238000000691 measurement method Methods 0.000 description 1
229910052697 platinum Inorganic materials 0.000 description 1
238000005086 pumping Methods 0.000 description 1
238000004904 shortening Methods 0.000 description 1
239000011734 sodium Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
- 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
- D21C7/00—Digesters
- D21C7/12—Devices for regulating or controlling
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/34—Paper
- G01N33/343—Paper pulp

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
General Health & Medical Sciences (AREA)
Physics & Mathematics (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Food Science & Technology (AREA)
Medicinal Chemistry (AREA)
Engineering & Computer Science (AREA)
Paper (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)

FI832142A 1982-06-16 1983-06-14 Foerfarande och apparat foer bestaemning av cellulosamassaegenskaper. FI76642C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE8203740A SE453867B (sv)	1982-06-16	1982-06-16	Forfarande och apparat for bestemning av cellulosamassaegenskaper
SE8203740		1982-06-16

Publications (4)

Publication Number	Publication Date
FI832142A0 FI832142A0 (fi)	1983-06-14
FI832142L FI832142L (fi)	1983-12-17
FI76642B FI76642B (fi)	1988-07-29
FI76642C true FI76642C (fi)	1988-11-10

Family

ID=20347084

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI832142A FI76642C (fi)	1982-06-16	1983-06-14	Foerfarande och apparat foer bestaemning av cellulosamassaegenskaper.

Country Status (3)

Country	Link
CA (1)	CA1207554A (fr)
FI (1)	FI76642C (fr)
SE (1)	SE453867B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN103630501B (zh) *	2013-11-14	2016-01-06	华南理工大学	一种快速纸浆卡伯值测定仪及其控制方法

1982
- 1982-06-16 SE SE8203740A patent/SE453867B/sv not_active IP Right Cessation
1983
- 1983-06-13 CA CA000430265A patent/CA1207554A/fr not_active Expired
- 1983-06-14 FI FI832142A patent/FI76642C/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
CA1207554A (fr)	1986-07-15
FI832142L (fi)	1983-12-17
FI832142A0 (fi)	1983-06-14
SE8203740L (sv)	1983-12-17
SE453867B (sv)	1988-03-07
FI76642B (fi)	1988-07-29

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Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: MO OCH DOMSJOE AKTIEBOLAG