NZ215368A - Use of brown coal in metal production - Google Patents
Use of brown coal in metal productionInfo
- Publication number
- NZ215368A NZ215368A NZ215368A NZ21536886A NZ215368A NZ 215368 A NZ215368 A NZ 215368A NZ 215368 A NZ215368 A NZ 215368A NZ 21536886 A NZ21536886 A NZ 21536886A NZ 215368 A NZ215368 A NZ 215368A
- Authority
- NZ
- New Zealand
- Prior art keywords
- iron
- ore
- coal
- composites
- produced
- Prior art date
Links
- 239000003077 lignite Substances 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910052751 metal Inorganic materials 0.000 title description 3
- 239000002184 metal Substances 0.000 title description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 31
- 239000003245 coal Substances 0.000 claims description 29
- 239000002131 composite material Substances 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 238000000197 pyrolysis Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000010008 shearing Methods 0.000 claims description 10
- 239000012141 concentrate Substances 0.000 claims description 8
- 238000003723 Smelting Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 239000008188 pellet Substances 0.000 description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 15
- 239000007789 gas Substances 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 238000006722 reduction reaction Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 235000008504 concentrate Nutrition 0.000 description 5
- 238000004898 kneading Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000001603 reducing effect Effects 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 238000011835 investigation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000003039 volatile agent Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 101100494773 Caenorhabditis elegans ctl-2 gene Proteins 0.000 description 1
- 101100112369 Fasciola hepatica Cat-1 gene Proteins 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910001296 Malleable iron Inorganic materials 0.000 description 1
- 101100005271 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) cat-1 gene Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000011174 green composite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 150000008442 polyphenolic compounds Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000000007 visual effect Effects 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/008—Composition or distribution of the charge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
- C21B5/023—Injection of the additives into the melting part
- C21B5/026—Injection of the additives into the melting part of plastic material
-
- 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
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
-
- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/02—Preliminary treatment of ores; Preliminary refining of zinc oxide
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPG977685 | 1985-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ215368A true NZ215368A (en) | 1988-02-29 |
Family
ID=3770981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ215368A NZ215368A (en) | 1985-03-18 | 1986-03-04 | Use of brown coal in metal production |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS61270342A (ref) |
| CN (1) | CN1011143B (ref) |
| BR (1) | BR8601177A (ref) |
| CA (1) | CA1281907C (ref) |
| DD (1) | DD250551A5 (ref) |
| DE (1) | DE3608899A1 (ref) |
| FI (1) | FI84840C (ref) |
| FR (1) | FR2582018B1 (ref) |
| IN (1) | IN165327B (ref) |
| NZ (1) | NZ215368A (ref) |
| SE (1) | SE463104B (ref) |
| ZA (1) | ZA861957B (ref) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10311345A1 (de) * | 2003-03-14 | 2004-09-23 | Trützschler GmbH & Co KG | Vorrichtung zur Ermittlung der Faserlängen und der Faserlängenverteilung an einer Fasermaterialprobe, insbesondere in der Spinnereivorbereitung |
| US8999033B2 (en) * | 2010-12-15 | 2015-04-07 | Midrex Technologies, Inc. | Method and system for producing direct reduced iron and/or hot metal using brown coal |
| US20190300982A1 (en) * | 2016-11-23 | 2019-10-03 | Environmental Clean Technologies Limited | Low temperature direct reduction of metal oxides via the in situ production of reducing gas |
| CN106903323A (zh) * | 2017-04-17 | 2017-06-30 | 江苏省冶金设计院有限公司 | 一种铁精粉低温快速还原方法和装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE677261C (de) * | 1936-08-15 | 1939-06-22 | Max Lengersdorff | Verfahren zur Vorbereitung von Eisenerzen fuer das Reduzieren und Schmelzen |
| NZ207098A (en) * | 1983-02-17 | 1986-09-10 | Univ Melbourne | Upgrading brown coal by subjecting it to shear forces |
| DE3603005A1 (de) * | 1985-02-01 | 1986-08-21 | CRA Services Ltd., Melbourne, Victoria | Verfahren zur herstellung von verdichteten kohlepellets |
-
1986
- 1986-03-04 NZ NZ215368A patent/NZ215368A/en unknown
- 1986-03-05 SE SE8601005A patent/SE463104B/sv not_active IP Right Cessation
- 1986-03-14 DD DD86287911A patent/DD250551A5/de unknown
- 1986-03-14 FI FI861077A patent/FI84840C/fi not_active IP Right Cessation
- 1986-03-17 ZA ZA861957A patent/ZA861957B/xx unknown
- 1986-03-17 DE DE19863608899 patent/DE3608899A1/de not_active Withdrawn
- 1986-03-17 BR BR8601177A patent/BR8601177A/pt unknown
- 1986-03-17 CN CN86101735A patent/CN1011143B/zh not_active Expired
- 1986-03-17 IN IN207/CAL/86A patent/IN165327B/en unknown
- 1986-03-17 JP JP61059066A patent/JPS61270342A/ja active Pending
- 1986-03-18 CA CA000504432A patent/CA1281907C/en not_active Expired - Fee Related
- 1986-03-18 FR FR8603833A patent/FR2582018B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE8601005D0 (sv) | 1986-03-05 |
| FI861077A0 (fi) | 1986-03-14 |
| CN1011143B (zh) | 1991-01-09 |
| SE8601005L (sv) | 1986-09-19 |
| ZA861957B (en) | 1987-01-28 |
| DE3608899A1 (de) | 1986-09-18 |
| JPS61270342A (ja) | 1986-11-29 |
| DD250551A5 (de) | 1987-10-14 |
| FI84840B (fi) | 1991-10-15 |
| SE463104B (sv) | 1990-10-08 |
| BR8601177A (pt) | 1986-11-25 |
| FI84840C (fi) | 1992-01-27 |
| CN86101735A (zh) | 1986-11-19 |
| FR2582018A1 (fr) | 1986-11-21 |
| FI861077L (fi) | 1986-09-19 |
| CA1281907C (en) | 1991-03-26 |
| FR2582018B1 (fr) | 1989-11-17 |
| IN165327B (ref) | 1989-09-23 |
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