CA2114439C - Ore pelletisation - Google Patents
Ore pelletisation Download PDFInfo
- Publication number
- CA2114439C CA2114439C CA002114439A CA2114439A CA2114439C CA 2114439 C CA2114439 C CA 2114439C CA 002114439 A CA002114439 A CA 002114439A CA 2114439 A CA2114439 A CA 2114439A CA 2114439 C CA2114439 C CA 2114439C
- Authority
- CA
- Canada
- Prior art keywords
- cross linking
- polymer
- particles
- process according
- linking agent
- Prior art date
- 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 - Lifetime
Links
- 238000005453 pelletization Methods 0.000 title claims description 9
- 229920000642 polymer Polymers 0.000 claims abstract description 61
- 239000002245 particle Substances 0.000 claims abstract description 56
- 239000011230 binding agent Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000004132 cross linking Methods 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000000178 monomer Substances 0.000 claims abstract description 13
- 239000008188 pellet Substances 0.000 claims abstract description 13
- 238000013019 agitation Methods 0.000 claims abstract description 3
- 238000010304 firing Methods 0.000 claims abstract description 3
- 239000011872 intimate mixture Substances 0.000 claims abstract description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 19
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 16
- 229920006037 cross link polymer Polymers 0.000 claims description 9
- 229920001059 synthetic polymer Polymers 0.000 claims description 9
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims description 7
- 229940047670 sodium acrylate Drugs 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 5
- 239000003792 electrolyte Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 159000000007 calcium salts Chemical class 0.000 claims description 2
- 239000008233 hard water Substances 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims 1
- 239000004971 Cross linker Substances 0.000 description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- 229910000029 sodium carbonate Inorganic materials 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000000440 bentonite Substances 0.000 description 5
- 229910000278 bentonite Inorganic materials 0.000 description 5
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 5
- 239000000499 gel Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000518 rheometry Methods 0.000 description 4
- 125000000129 anionic group Chemical group 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- -1 50 to 80% Chemical compound 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229920002907 Guar gum Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000665 guar gum Substances 0.000 description 2
- 235000010417 guar gum Nutrition 0.000 description 2
- 229960002154 guar gum Drugs 0.000 description 2
- 229920006158 high molecular weight polymer Polymers 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 101100443311 Caenorhabditis elegans dlg-1 gene Proteins 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 239000004970 Chain extender Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 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
- 229920002472 Starch Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229920006318 anionic polymer Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- VPYJNCGUESNPMV-UHFFFAOYSA-N triallylamine Chemical compound C=CCN(CC=C)CC=C VPYJNCGUESNPMV-UHFFFAOYSA-N 0.000 description 1
- 238000000196 viscometry Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 229920003170 water-soluble synthetic polymer Polymers 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Crushing And Pulverization Processes (AREA)
- Medicines Containing Plant Substances (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9116700.7 | 1991-08-02 | ||
| GB919116700A GB9116700D0 (en) | 1991-08-02 | 1991-08-02 | Ore pelletisation |
| PCT/GB1992/001433 WO1993003190A2 (en) | 1991-08-02 | 1992-08-03 | Ore pelletisation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2114439A1 CA2114439A1 (en) | 1993-02-18 |
| CA2114439C true CA2114439C (en) | 2004-04-27 |
Family
ID=10699403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002114439A Expired - Lifetime CA2114439C (en) | 1991-08-02 | 1992-08-03 | Ore pelletisation |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5435834A (forum.php) |
| EP (1) | EP0596992B1 (forum.php) |
| JP (1) | JPH06509391A (forum.php) |
| AU (1) | AU664709B2 (forum.php) |
| BR (1) | BR9206328A (forum.php) |
| CA (1) | CA2114439C (forum.php) |
| GB (1) | GB9116700D0 (forum.php) |
| IN (1) | IN180770B (forum.php) |
| MX (1) | MX9204514A (forum.php) |
| WO (1) | WO1993003190A2 (forum.php) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037881A (en) * | 1989-10-30 | 1991-08-06 | American Cyanamid Company | Emulsified mannich acrylamide polymers |
| US5723548A (en) * | 1988-12-19 | 1998-03-03 | Cytec Technology Corp. | Emulsified mannich acrylamide polymers |
| USRE37037E1 (en) | 1988-12-19 | 2001-01-30 | Cytec Technology Corp. | Emulsified mannich acrylamide polymers |
| GB9721085D0 (en) * | 1997-10-03 | 1997-12-03 | Allied Colloids Ltd | Mineral palletisation |
| GB9724032D0 (en) * | 1997-11-13 | 1998-01-14 | Allied Colloids Ltd | Ore pelletisation |
| US6965547B2 (en) * | 2001-01-25 | 2005-11-15 | Dphi Acquisitions, Inc. | Tracking and focus servo system with error signal inverse non-linearity calibration |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA890342A (en) * | 1968-09-03 | 1972-01-11 | S. Jordan Theodore | Particle agglomeration |
| US4690971A (en) * | 1985-03-05 | 1987-09-01 | Allied Colloids Limited | Water absorbing polymers |
| GB8529418D0 (en) * | 1985-11-29 | 1986-01-08 | Allied Colloids Ltd | Iron ore pelletisation |
| EP0288150B1 (en) * | 1987-03-24 | 1994-02-23 | Ciba Specialty Chemicals Water Treatments Limited | Ore pelletisation |
| GB8918913D0 (en) * | 1989-08-18 | 1989-09-27 | Allied Colloids Ltd | Agglomeration of particulate materials |
| GB9116698D0 (en) * | 1991-08-02 | 1991-09-18 | Allied Colloids Ltd | Ore pelletisation |
-
1991
- 1991-08-02 GB GB919116700A patent/GB9116700D0/en active Pending
-
1992
- 1992-07-31 IN IN465MA1992 patent/IN180770B/en unknown
- 1992-08-03 MX MX9204514A patent/MX9204514A/es unknown
- 1992-08-03 WO PCT/GB1992/001433 patent/WO1993003190A2/en active IP Right Grant
- 1992-08-03 JP JP5503411A patent/JPH06509391A/ja active Pending
- 1992-08-03 US US08/190,115 patent/US5435834A/en not_active Expired - Lifetime
- 1992-08-03 EP EP92916671A patent/EP0596992B1/en not_active Expired - Lifetime
- 1992-08-03 CA CA002114439A patent/CA2114439C/en not_active Expired - Lifetime
- 1992-08-03 AU AU23803/92A patent/AU664709B2/en not_active Expired
- 1992-08-03 BR BR9206328A patent/BR9206328A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IN180770B (forum.php) | 1998-03-14 |
| EP0596992B1 (en) | 1997-11-05 |
| GB9116700D0 (en) | 1991-09-18 |
| BR9206328A (pt) | 1995-04-11 |
| WO1993003190A2 (en) | 1993-02-18 |
| US5435834A (en) | 1995-07-25 |
| AU2380392A (en) | 1993-03-02 |
| EP0596992A1 (en) | 1994-05-18 |
| WO1993003190A3 (en) | 1993-03-18 |
| MX9204514A (es) | 1993-04-01 |
| AU664709B2 (en) | 1995-11-30 |
| CA2114439A1 (en) | 1993-02-18 |
| JPH06509391A (ja) | 1994-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |