JPS5556878A - Removing method for hydrogen sulfide and cyanogen in gas liquor - Google Patents
Removing method for hydrogen sulfide and cyanogen in gas liquorInfo
- Publication number
- JPS5556878A JPS5556878A JP12976478A JP12976478A JPS5556878A JP S5556878 A JPS5556878 A JP S5556878A JP 12976478 A JP12976478 A JP 12976478A JP 12976478 A JP12976478 A JP 12976478A JP S5556878 A JPS5556878 A JP S5556878A
- Authority
- JP
- Japan
- Prior art keywords
- waste water
- hydrogen sulfide
- cyanogen
- gas
- oxygen
- 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.)
- Pending
Links
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 title abstract 7
- 239000007789 gas Substances 0.000 title abstract 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title abstract 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 239000002351 wastewater Substances 0.000 abstract 6
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N thiocyanic acid Chemical compound SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 abstract 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 3
- 239000001301 oxygen Substances 0.000 abstract 3
- 229910052760 oxygen Inorganic materials 0.000 abstract 3
- -1 air Chemical compound 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 2
- 239000000571 coke Substances 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract 1
- 238000005273 aeration Methods 0.000 abstract 1
- 230000021962 pH elevation Effects 0.000 abstract 1
- 229920001021 polysulfide Polymers 0.000 abstract 1
- 239000005077 polysulfide Substances 0.000 abstract 1
- 150000008117 polysulfides Polymers 0.000 abstract 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
PURPOSE: To remove hydrogen sulfide and free cyanogen present in waste water in the form of thiocyanic acid by the procedure in which the washing waste water of coke oven gas is made alkaline and then aerated with a gas oxygen such as air at a specific temperature or more.
CONSTITUTION: The washing waste water of the coke oven gas is made alkaline and put in the container 1. And, the container is placed in the constant-temperature tank 2 of 60°C or more and kept at the temperature, and then a gas containing oxygen, e.g., air, is blown into the waste water for more than 30min for aeration, whereupon the hydrogen sulfide converted into an alkali sulfide by alkalinization in the waste water is further converted into an alkali polysulfide by reaction with oxygen and then it reacts with free cyanogen ion present in the waste water to form thiocyanic acid. Thus, the hydrogen sulfide and free cyanogen fixed in this way can be removed.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12976478A JPS5556878A (en) | 1978-10-20 | 1978-10-20 | Removing method for hydrogen sulfide and cyanogen in gas liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12976478A JPS5556878A (en) | 1978-10-20 | 1978-10-20 | Removing method for hydrogen sulfide and cyanogen in gas liquor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5556878A true JPS5556878A (en) | 1980-04-26 |
Family
ID=15017615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12976478A Pending JPS5556878A (en) | 1978-10-20 | 1978-10-20 | Removing method for hydrogen sulfide and cyanogen in gas liquor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5556878A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58289A (en) * | 1981-06-25 | 1983-01-05 | Sumikin Coke Co Ltd | Removing method for hydrogen sulfide and hydrogen cyanide from gas liquor |
| JPS6054788A (en) * | 1983-08-11 | 1985-03-29 | クルツプ−コツパ−ス・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Method of treating waste water generated when crude gas fromcoal gasifier is washed directly by water |
| EP0228104A2 (en) * | 1985-12-30 | 1987-07-08 | Shell Internationale Researchmaatschappij B.V. | Process for removal of iron cyanide complex |
| KR19990008596A (en) * | 1997-07-02 | 1999-02-05 | 김종진 | Method for promoting biological wastewater treatment of demineralized waste liquor and its device |
| KR20040038337A (en) * | 2002-10-31 | 2004-05-08 | 주식회사 포스코 | Method for removing sulfuration hydrogen contained ammonia water |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5075569A (en) * | 1973-11-05 | 1975-06-20 |
-
1978
- 1978-10-20 JP JP12976478A patent/JPS5556878A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5075569A (en) * | 1973-11-05 | 1975-06-20 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58289A (en) * | 1981-06-25 | 1983-01-05 | Sumikin Coke Co Ltd | Removing method for hydrogen sulfide and hydrogen cyanide from gas liquor |
| JPS6215276B2 (en) * | 1981-06-25 | 1987-04-07 | Sumikin Kako Kk | |
| JPS6054788A (en) * | 1983-08-11 | 1985-03-29 | クルツプ−コツパ−ス・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Method of treating waste water generated when crude gas fromcoal gasifier is washed directly by water |
| JPH0523838B2 (en) * | 1983-08-11 | 1993-04-05 | Krupp Koppers Gmbh | |
| EP0228104A2 (en) * | 1985-12-30 | 1987-07-08 | Shell Internationale Researchmaatschappij B.V. | Process for removal of iron cyanide complex |
| KR19990008596A (en) * | 1997-07-02 | 1999-02-05 | 김종진 | Method for promoting biological wastewater treatment of demineralized waste liquor and its device |
| KR20040038337A (en) * | 2002-10-31 | 2004-05-08 | 주식회사 포스코 | Method for removing sulfuration hydrogen contained ammonia water |
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