JPS58214321A - 直接還元製鉄プロセスにおける湿式排ガス脱硫方法 - Google Patents

直接還元製鉄プロセスにおける湿式排ガス脱硫方法

Info

Publication number: JPS58214321A
Authority: JP; Japan
Prior art keywords: direct reduction; gypsum; sent; exhaust gas; sulfuric acid
Prior art date: 1982-06-04
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.): Granted

Application number

JP57095689A

Other languages

English (en)

Japanese (ja)

Other versions

JPH0221853B2 (2

Inventor

Hideaki Shiraishi

白石　秀明

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Sumitomo Heavy Industries Ltd

Original Assignee

Sumitomo Heavy Industries Ltd

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.)

1982-06-04

Filing date

1982-06-04

Publication date

1983-12-13

1982-06-04 Application filed by Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd

1982-06-04 Priority to JP57095689A priority Critical patent/JPS58214321A/ja

1983-12-13 Publication of JPS58214321A publication Critical patent/JPS58214321A/ja

1990-05-16 Publication of JPH0221853B2 publication Critical patent/JPH0221853B2/ja

Status Granted legal-status Critical Current

Links

238000006477 desulfuration reaction Methods 0.000 title claims abstract description 15
230000023556 desulfurization Effects 0.000 title claims abstract description 15
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 8
229910052742 iron Inorganic materials 0.000 title abstract 4
238000004519 manufacturing process Methods 0.000 title abstract 4
238000000034 method Methods 0.000 claims abstract description 29
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 24
239000010440 gypsum Substances 0.000 claims abstract description 13
229910052602 gypsum Inorganic materials 0.000 claims abstract description 13
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims abstract description 7
239000002699 waste material Substances 0.000 claims abstract description 7
238000006243 chemical reaction Methods 0.000 claims abstract description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
230000001590 oxidative effect Effects 0.000 claims abstract 2
239000007789 gas Substances 0.000 claims description 9
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 6
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
239000003546 flue gas Substances 0.000 claims description 5
229940043430 calcium compound Drugs 0.000 claims description 4
150000001674 calcium compounds Chemical class 0.000 claims description 4
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
229910052739 hydrogen Inorganic materials 0.000 claims 1
239000001257 hydrogen Substances 0.000 claims 1
125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
238000002485 combustion reaction Methods 0.000 abstract description 4
230000003647 oxidation Effects 0.000 abstract description 3
238000007254 oxidation reaction Methods 0.000 abstract description 3
239000000428 dust Substances 0.000 abstract description 2
239000007788 liquid Substances 0.000 abstract description 2
238000006386 neutralization reaction Methods 0.000 abstract description 2
238000005406 washing Methods 0.000 abstract description 2
150000001875 compounds Chemical class 0.000 abstract 1
238000002425 crystallisation Methods 0.000 description 6
230000008025 crystallization Effects 0.000 description 6
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
238000010521 absorption reaction Methods 0.000 description 4
229910000037 hydrogen sulfide Inorganic materials 0.000 description 4
239000003795 chemical substances by application Substances 0.000 description 2
239000002002 slurry Substances 0.000 description 2
WHBHBVVOGNECLV-OBQKJFGGSA-N 11-deoxycortisol Chemical compound O=C1CC[C@]2(C)[C@H]3CC[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 WHBHBVVOGNECLV-OBQKJFGGSA-N 0.000 description 1
241000272814 Anser sp. Species 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
230000002745 absorbent Effects 0.000 description 1
239000002250 absorbent Substances 0.000 description 1
239000011575 calcium Substances 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
235000011116 calcium hydroxide Nutrition 0.000 description 1
239000000920 calcium hydroxide Substances 0.000 description 1
239000003638 chemical reducing agent Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
239000000498 cooling water Substances 0.000 description 1
230000003009 desulfurizing effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
239000010459 dolomite Substances 0.000 description 1
229910000514 dolomite Inorganic materials 0.000 description 1
239000004571 lime Substances 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
230000002265 prevention Effects 0.000 description 1
239000000779 smoke Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000002912 waste gas Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/464—Sulfates of Ca from gases containing sulfur oxides

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Treating Waste Gases (AREA)

JP57095689A 1982-06-04 1982-06-04 直接還元製鉄プロセスにおける湿式排ガス脱硫方法 Granted JPS58214321A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP57095689A JPS58214321A (ja)	1982-06-04	1982-06-04	直接還元製鉄プロセスにおける湿式排ガス脱硫方法

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP57095689A JPS58214321A (ja)	1982-06-04	1982-06-04	直接還元製鉄プロセスにおける湿式排ガス脱硫方法

Publications (2)

Publication Number	Publication Date
JPS58214321A true JPS58214321A (ja)	1983-12-13
JPH0221853B2 JPH0221853B2 (2)	1990-05-16

Family

ID=14144455

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP57095689A Granted JPS58214321A (ja)	1982-06-04	1982-06-04	直接還元製鉄プロセスにおける湿式排ガス脱硫方法

Country Status (1)

Country	Link
JP (1)	JPS58214321A (2)

1982
- 1982-06-04 JP JP57095689A patent/JPS58214321A/ja active Granted

Also Published As

Publication number	Publication date
JPH0221853B2 (2)	1990-05-16

Publication	Publication Date	Title
US3226192A (en)	1965-12-28	Process of treating waste gas containing sulfur oxide
CN103768910B (zh)	2015-09-16	一种冶炼烟气中so2和重金属协同净化方法及装置
US4133650A (en)	1979-01-09	Removing sulfur dioxide from exhaust air
PL310845A1 (en)	1996-04-15	Method of desulphurising flue gases
CA1193073A (en)	1985-09-10	Process for removal of sulfur oxides from hot gases
JPH1060449A (ja)	1998-03-03	コークス炉ガスの精製方法
CA1047739A (en)	1979-02-06	Method of removing sulfur-containing gases from waste gas
US3251649A (en)	1966-05-17	Process of producing sulfuric acid
GB1518247A (en)	1978-07-19	Process for treating exhaust gases
JP4507291B2 (ja)	2010-07-21	排煙脱硫廃棄物の処理方法及びその装置
JPH0331488B2 (2)	1991-05-07
US4038367A (en)	1977-07-26	Process for the removal of SOx and NOx from waste gases using alkali metal or alkaline earth metal iodide
AU696509B2 (en)	1998-09-10	Process for removing SO2 from gases which contain it, with direct production of elemental sulfur
JPH0221853B2 (2)	1990-05-16
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JPH04346816A (ja)	1992-12-02	排ガスの処理方法
CN114377539A (zh)	2022-04-22	一种二氧化硫烟气的脱硫与硫回收方法
JPH0521610B2 (2)	1993-03-25
JPS6127645B2 (2)	1986-06-26
JPS60225624A (ja)	1985-11-09	硫黄酸化物含有ガスの処理方法
JPS5857213B2 (ja)	1983-12-19	排煙脱硫方法
US3600131A (en)	1971-08-17	Removal of sulfur dioxide from waste gases
JPS5768120A (en)	1982-04-26	Dry type stack gas desulfurization method
JPS56126428A (en)	1981-10-03	Dry type stack gas desulfurizing process
JPS5849422A (ja)	1983-03-23	排煙脱硫方法