NO800508L - Fremgangsmaate til aa oeke lysheten hos kalkstein - Google Patents
Fremgangsmaate til aa oeke lysheten hos kalksteinInfo
- Publication number
- NO800508L NO800508L NO800508A NO800508A NO800508L NO 800508 L NO800508 L NO 800508L NO 800508 A NO800508 A NO 800508A NO 800508 A NO800508 A NO 800508A NO 800508 L NO800508 L NO 800508L
- Authority
- NO
- Norway
- Prior art keywords
- limestone
- slurry
- approx
- acetic acid
- brightness
- Prior art date
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 44
- 235000019738 Limestone Nutrition 0.000 claims description 40
- 239000006028 limestone Substances 0.000 claims description 40
- 239000002002 slurry Substances 0.000 claims description 28
- 239000007844 bleaching agent Substances 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000008394 flocculating agent Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical group OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 description 15
- 238000011282 treatment Methods 0.000 description 13
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 12
- 239000000523 sample Substances 0.000 description 11
- 238000004061 bleaching Methods 0.000 description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- 238000005189 flocculation Methods 0.000 description 6
- 230000016615 flocculation Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000010422 painting Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 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
- 238000001035 drying Methods 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 235000013980 iron oxide Nutrition 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 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
- 241001085205 Prenanthella exigua Species 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 238000007593 dry painting process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000011049 pearl Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- PENRVBJTRIYHOA-UHFFFAOYSA-L zinc dithionite Chemical compound [Zn+2].[O-]S(=O)S([O-])=O PENRVBJTRIYHOA-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
- C09C1/022—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Magnetic Heads (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/015,089 US4239736A (en) | 1979-02-26 | 1979-02-26 | Method for increasing the brightness of limestone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO800508L true NO800508L (no) | 1980-08-27 |
Family
ID=21769467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO800508A NO800508L (no) | 1979-02-26 | 1980-02-22 | Fremgangsmaate til aa oeke lysheten hos kalkstein |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4239736A (de) |
| JP (1) | JPS55116625A (de) |
| AU (1) | AU526864B2 (de) |
| BR (1) | BR8001111A (de) |
| CA (1) | CA1134563A (de) |
| DE (1) | DE3007220A1 (de) |
| ES (1) | ES8102991A1 (de) |
| FI (1) | FI800520A (de) |
| FR (1) | FR2449712A1 (de) |
| GB (1) | GB2043612B (de) |
| IT (1) | IT1127357B (de) |
| NL (1) | NL8001024A (de) |
| NO (1) | NO800508L (de) |
| SE (1) | SE8001456L (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900533A (en) * | 1981-02-24 | 1990-02-13 | English Clays Lovering Pochin & Company | Alkaline earth metal carbonates |
| DE3122218A1 (de) * | 1981-06-04 | 1982-12-23 | Peroxid-Chemie GmbH, 8023 Höllriegelskreuth | Verfahren zum aufhellen von naturkreide |
| US4389323A (en) * | 1981-11-02 | 1983-06-21 | Gancy Alan B | Process of making two uniform grades of calcium magnesium acetate |
| US4426308A (en) | 1981-12-21 | 1984-01-17 | Gancy Alan B | Process of making calcium acetate deicing agents |
| US4377488A (en) * | 1981-12-21 | 1983-03-22 | Gancy Alan B | Process of making calcium acetate deicing agents |
| US4488978A (en) * | 1983-02-10 | 1984-12-18 | Gancy Alan B | Coarse-particle calcium/magnesium acetate suitable for roadway and walkway deicing, and process for its manufacture |
| US4661164A (en) * | 1985-02-15 | 1987-04-28 | Franklin Industries, Inc. | Method of tinting a mineral filler |
| US4824653A (en) * | 1988-09-29 | 1989-04-25 | Franklin Industries, Inc. | Method of bleaching limestone |
| US5690897A (en) * | 1994-11-21 | 1997-11-25 | Minerals Technologies Inc. | Method for purification of calcium carbonate |
| CA2237960A1 (en) * | 1997-06-18 | 1998-12-18 | Goldcorp Inc. | Manufacture of precipitated calcium carbonate of improved colour with stable crystalline form |
| US6527431B2 (en) * | 2001-04-10 | 2003-03-04 | Taiwan Footwear Research Institute | Combined mixing and injecting device for a mold |
| US7105139B2 (en) * | 2002-04-25 | 2006-09-12 | Imerys Pigments, Inc. | Stabilization of the viscosity of formamidine sulfinic acid bleached calcium carbonate slurries |
| US7833339B2 (en) | 2006-04-18 | 2010-11-16 | Franklin Industrial Minerals | Mineral filler composition |
| US7651559B2 (en) | 2005-11-04 | 2010-01-26 | Franklin Industrial Minerals | Mineral composition |
| US10590003B1 (en) | 2017-08-24 | 2020-03-17 | Mississippi Lime Company | Method of brightening ground calcium carbonate |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB567998A (en) * | 1943-07-30 | 1945-03-13 | Pilkington Brothers Ltd | Improvements in or relating to processes for reducing iron impurities in ground calcite, dolomite, magnesite and cryolite |
| US2520850A (en) * | 1944-02-12 | 1950-08-29 | Minnick Leonard John | Process of whitening alkaline earth carbonates |
| GB1394910A (en) * | 1972-10-23 | 1975-05-21 | Pluss Stauffer Ag | Process for the optical brightening of minerals |
| AU476200B2 (en) * | 1973-03-08 | 1975-09-11 | RALPH ASHWORTH and KATHLEEN MARY PLUCK DEREK | Mineral bleaching process |
| JPS50122498A (de) * | 1974-03-13 | 1975-09-26 | ||
| JPS5147597A (en) * | 1974-10-23 | 1976-04-23 | Denki Kagaku Kogyo Kk | Tansankarushiumuno hakushokudokojokahoho |
| JPS5147598A (en) * | 1974-10-23 | 1976-04-23 | Denki Kagaku Kogyo Kk | Tansankarushiumuno hakushokudokairyoho |
| GB1599632A (en) * | 1977-01-19 | 1981-10-07 | English Clays Lovering Pochin | Comminution of solid materials |
| JPS5390199A (en) * | 1977-01-20 | 1978-08-08 | Shiraishi Kogyo Kaisha Ltd | Method of modifying calcium carbonate |
| JPS53119299A (en) * | 1977-03-29 | 1978-10-18 | Shiraishi Kogyo Kaisha Ltd | Surfacee modified material of cubic calcium carbonate having diameters of 0*1 to 1*0 micro meter |
-
1979
- 1979-02-26 US US06/015,089 patent/US4239736A/en not_active Expired - Lifetime
-
1980
- 1980-01-30 CA CA000344728A patent/CA1134563A/en not_active Expired
- 1980-02-05 AU AU55237/80A patent/AU526864B2/en not_active Ceased
- 1980-02-13 GB GB8004856A patent/GB2043612B/en not_active Expired
- 1980-02-13 IT IT47888/80A patent/IT1127357B/it active
- 1980-02-20 NL NL8001024A patent/NL8001024A/nl not_active Application Discontinuation
- 1980-02-21 FI FI800520A patent/FI800520A/fi not_active Application Discontinuation
- 1980-02-22 FR FR8003908A patent/FR2449712A1/fr not_active Withdrawn
- 1980-02-22 NO NO800508A patent/NO800508L/no unknown
- 1980-02-22 DE DE19803007220 patent/DE3007220A1/de not_active Withdrawn
- 1980-02-25 SE SE8001456A patent/SE8001456L/ not_active Application Discontinuation
- 1980-02-25 ES ES488913A patent/ES8102991A1/es not_active Expired
- 1980-02-26 JP JP2331580A patent/JPS55116625A/ja active Pending
- 1980-02-26 BR BR8001111A patent/BR8001111A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT8047888A0 (it) | 1980-02-13 |
| US4239736A (en) | 1980-12-16 |
| ES488913A0 (es) | 1981-02-16 |
| JPS55116625A (en) | 1980-09-08 |
| GB2043612B (en) | 1983-01-26 |
| NL8001024A (nl) | 1980-08-28 |
| GB2043612A (en) | 1980-10-08 |
| AU526864B2 (en) | 1983-02-03 |
| AU5523780A (en) | 1980-09-04 |
| ES8102991A1 (es) | 1981-02-16 |
| FR2449712A1 (fr) | 1980-09-19 |
| FI800520A (fi) | 1980-08-27 |
| CA1134563A (en) | 1982-11-02 |
| SE8001456L (sv) | 1980-08-27 |
| BR8001111A (pt) | 1980-10-29 |
| IT1127357B (it) | 1986-05-21 |
| DE3007220A1 (de) | 1980-09-04 |
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