RO85058B - Procedeu de obtinere a peletelor din minereuri de fier si, de preferinta, din cenusa de pirita - Google Patents
Procedeu de obtinere a peletelor din minereuri de fier si, de preferinta, din cenusa de piritaInfo
- Publication number
- RO85058B RO85058B RO107926A RO10792682A RO85058B RO 85058 B RO85058 B RO 85058B RO 107926 A RO107926 A RO 107926A RO 10792682 A RO10792682 A RO 10792682A RO 85058 B RO85058 B RO 85058B
- Authority
- RO
- Romania
- Prior art keywords
- pellets
- content
- ranging
- grade
- proportion
- Prior art date
Links
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
- C22B1/2406—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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
-
- 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
- C22B1/11—Removing sulfur, phosphorus or arsenic other than by roasting
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
Procedeul de obtinere a peletelor din minereuri de fier si, de preferinta din cenusi de pirita, cu un continut de 0,1...0,5% As, conform inventiei, prevede preamestecarea în proportiei de maximum 5% si, de preferinta 2...3%, cu un material reducator purtator de carbon, granulare în conditii uzuale, uscarea peletelor obtinute la 150 degree C, timp de 30 min, dezarseniere prin încalzire în atmosfera reducatoare la peste 800 degree C, de preferinta, la maximum 1000 degree C. în scopul obtinerii unor pelete calitativ superioare, cu un continut de As rezidual de maximum 0,01% si, de preferinta, de 0,005%, prin stropire purtatorilor de fier fin divizati, în proportiei de minimum 0,5%, cu smoala, aleasa între, smoala la tratarea termica a huilei, smoala de la carcarea termica întîrziata, carbune rafinat cu solvent si smoala de extractie din petrol, cu temperatura de înmuiere cuprinsa între 30 si 300 degree C si, de preferinta, între 60 si 150 degree C, greutatea specifica la 15 degree C cuprinsa între 1,02 si 1,90 si, de preferinta între 1,09 si 1,50 g/cm3, avînd un raport atomic H:C cuprins între 0,2 si 1,5 si, de preferinta între 0,5 si 1 si un continut însumat de benzen solubil si chinolina insolubila cuprins între 0,4 si 70% si, de preferinta, între 20 si 40% si dezarsenierea, de preferinta, al minimum 900 degree C a peletelor astfel obtinute, uscate preliminar.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56099237A JPS589935A (ja) | 1981-06-26 | 1981-06-26 | ペレツトの製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
RO85058A RO85058A (ro) | 1984-08-17 |
RO85058B true RO85058B (ro) | 1984-09-30 |
Family
ID=14242072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO107926A RO85058B (ro) | 1981-06-26 | 1982-06-18 | Procedeu de obtinere a peletelor din minereuri de fier si, de preferinta, din cenusa de pirita |
Country Status (8)
Country | Link |
---|---|
US (1) | US4549904A (ro) |
JP (1) | JPS589935A (ro) |
KR (1) | KR890003015B1 (ro) |
BG (1) | BG50727A3 (ro) |
ES (1) | ES8304610A1 (ro) |
RO (1) | RO85058B (ro) |
SE (1) | SE8203962L (ro) |
ZA (1) | ZA824054B (ro) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1051242A4 (en) * | 1997-11-10 | 2001-07-25 | James Pirtle | BINDER FORMULATION USED IN THE MANUFACTURE OF MINERAL PELLETS |
TW461920B (en) * | 1998-09-25 | 2001-11-01 | Mitsubishi Heavy Ind Ltd | Method of producing reduced iron and production facilities therefor |
JP3004265B1 (ja) * | 1998-11-24 | 2000-01-31 | 株式会社神戸製鋼所 | 炭材内装ペレット及び還元鉄製造方法 |
JP2008260683A (ja) * | 2006-04-28 | 2008-10-30 | Dowa Metals & Mining Co Ltd | 砒酸鉄粉末 |
US8231775B2 (en) | 2009-06-25 | 2012-07-31 | Uop Llc | Pitch composition |
US8202480B2 (en) * | 2009-06-25 | 2012-06-19 | Uop Llc | Apparatus for separating pitch from slurry hydrocracked vacuum gas oil |
US8540870B2 (en) * | 2009-06-25 | 2013-09-24 | Uop Llc | Process for separating pitch from slurry hydrocracked vacuum gas oil |
US9150470B2 (en) | 2012-02-02 | 2015-10-06 | Uop Llc | Process for contacting one or more contaminated hydrocarbons |
JP5820344B2 (ja) * | 2012-07-05 | 2015-11-24 | 株式会社神戸製鋼所 | 還元物の製造方法 |
CN115318249A (zh) * | 2022-08-25 | 2022-11-11 | 陕西师范大学 | 一种脱硫脱硝活性焦及其制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1272944B (de) * | 1963-01-12 | 1968-07-18 | Metallgesellschaft Ag | Verfahren zum Entarsenieren und Reduzieren von arsenhaltigen Eisenerzen oder Abbraenden in einem Arbeitsgang |
US3941582A (en) * | 1969-06-12 | 1976-03-02 | Baum Jesse J | Direct reduced iron |
US3876416A (en) * | 1969-09-18 | 1975-04-08 | Kureha Chemical Ind Co Ltd | Ore pellet with sulfonated hydrocarbon binding agent and method for producing same |
US3870507A (en) * | 1973-05-14 | 1975-03-11 | Ferro Carb Agglomeration | Control of pollution by recycling solid particulate steel mill wastes |
-
1981
- 1981-06-26 JP JP56099237A patent/JPS589935A/ja active Pending
-
1982
- 1982-06-07 US US06/385,362 patent/US4549904A/en not_active Expired - Fee Related
- 1982-06-09 ZA ZA824054A patent/ZA824054B/xx unknown
- 1982-06-18 RO RO107926A patent/RO85058B/ro unknown
- 1982-06-22 ES ES513356A patent/ES8304610A1/es not_active Expired
- 1982-06-23 BG BG057107A patent/BG50727A3/xx unknown
- 1982-06-24 SE SE8203962A patent/SE8203962L/ not_active Application Discontinuation
- 1982-06-24 KR KR8202820A patent/KR890003015B1/ko active
Also Published As
Publication number | Publication date |
---|---|
KR840000646A (ko) | 1984-02-25 |
ES513356A0 (es) | 1983-03-01 |
BG50727A3 (en) | 1992-10-15 |
SE8203962D0 (sv) | 1982-06-24 |
JPS589935A (ja) | 1983-01-20 |
ES8304610A1 (es) | 1983-03-01 |
ZA824054B (en) | 1983-03-30 |
RO85058A (ro) | 1984-08-17 |
SE8203962L (sv) | 1982-12-27 |
US4549904A (en) | 1985-10-29 |
KR890003015B1 (ko) | 1989-08-18 |
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