JPS56136695A - Treatment of water containing hydrazines - Google Patents
Treatment of water containing hydrazinesInfo
- Publication number
- JPS56136695A JPS56136695A JP3909580A JP3909580A JPS56136695A JP S56136695 A JPS56136695 A JP S56136695A JP 3909580 A JP3909580 A JP 3909580A JP 3909580 A JP3909580 A JP 3909580A JP S56136695 A JPS56136695 A JP S56136695A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- hydrazines
- water
- copper
- tank
- 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
Abstract
PURPOSE: To decompose hydrazines to nitrogen and water, recover copper compounds and efficiently remove the hydrazines by mixing the copper compounds with waste water contg. hydrazines and filtering the same by allowing the water to contact air.
CONSTITUTION: One or more of copper compounds such as copper sulfate, copper chloride, and copper oxide are injected through an injection pipe 4 and mixed into and with the waste water contg. hydrazines flowing from a raw water pipe 3 into an oxidizing tank 1. Next, it is contacted with the air diffused from an air feed pipe 5 through an air diffusion pipe 6 so that it is oxidized. Thence, the aerated liquid of the tank 1 is sent through a pipe 7 into a filter tank 2, where the aerated liquid is filtered by the two layers, upper layer 2b and lower layer 2a, and solids are separated from liquid. The filtered water flows out from a pipe 8. The solids are washed by the back-washing water fed from a pipe 9, are returned through a return pipe 10 into the tank 1 and are reused as copper compounds.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3909580A JPS56136695A (en) | 1980-03-28 | 1980-03-28 | Treatment of water containing hydrazines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3909580A JPS56136695A (en) | 1980-03-28 | 1980-03-28 | Treatment of water containing hydrazines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56136695A true JPS56136695A (en) | 1981-10-26 |
Family
ID=12543514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3909580A Pending JPS56136695A (en) | 1980-03-28 | 1980-03-28 | Treatment of water containing hydrazines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56136695A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1152094A (en) * | 1997-07-30 | 1999-02-26 | Mitsubishi Heavy Ind Ltd | Method for treating drain containing ethanolamine |
| KR100403412B1 (en) * | 1999-01-07 | 2003-10-30 | 니폰 쇼쿠바이 컴파니 리미티드 | Method for treating waste water |
| JP2013000658A (en) * | 2011-06-16 | 2013-01-07 | Kurita Water Ind Ltd | Treatment method of wastewater containing hydrazine and chelate formation organic compound |
-
1980
- 1980-03-28 JP JP3909580A patent/JPS56136695A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1152094A (en) * | 1997-07-30 | 1999-02-26 | Mitsubishi Heavy Ind Ltd | Method for treating drain containing ethanolamine |
| KR100403412B1 (en) * | 1999-01-07 | 2003-10-30 | 니폰 쇼쿠바이 컴파니 리미티드 | Method for treating waste water |
| JP2013000658A (en) * | 2011-06-16 | 2013-01-07 | Kurita Water Ind Ltd | Treatment method of wastewater containing hydrazine and chelate formation organic compound |
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