JPS5556013A - Treating method for waste water used to wash garbage incineration plant exhaust gas - Google Patents
Treating method for waste water used to wash garbage incineration plant exhaust gasInfo
- Publication number
- JPS5556013A JPS5556013A JP12853678A JP12853678A JPS5556013A JP S5556013 A JPS5556013 A JP S5556013A JP 12853678 A JP12853678 A JP 12853678A JP 12853678 A JP12853678 A JP 12853678A JP S5556013 A JPS5556013 A JP S5556013A
- Authority
- JP
- Japan
- Prior art keywords
- mercury
- remove
- waste water
- water
- fed
- 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
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
- Removal Of Specific Substances (AREA)
Abstract
PURPOSE: To crystallization-recover a high quality raw material salt from the title waste water by successively removing mercury, sodium sulfate and CO2 2+ by treatment with a chelate resin, chloride adding reaction and CO2 blowing, respectively.
CONSTITUTION: The waste water pretreated to remove SS solids and org. matters such as BOD and COD is treated with a chelate resin in mercury chelate resin tower 5 to selectively remove mercury. The mercury-free water is fed toneutralization precipitation vessel 6, where it is adjusted to pH 10W11 with NaOH to separation- remove heavy metals. The mercury- and heavy metals-free water is then fed to gypsum forming reaction vessel 9 to add a chloride such as CaCl2, and the chloride- added water is supplied to gypsum separator 11 through thickener 10 to separation- remove gypsum 22 and sodium sulfate. This SO4 2--free water is fed to CaCO3 forming reaction tower 12, where it is adjusted to pH≥7 with NaOH and CO2 is blown to remove Ca2+ as CaCO3. The resulting water is sent to NaCl crystallizer 18 to rystallize NaCl. Thus, high purity NaCl 24 is separation-recovered 19.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12853678A JPS5556013A (en) | 1978-10-20 | 1978-10-20 | Treating method for waste water used to wash garbage incineration plant exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12853678A JPS5556013A (en) | 1978-10-20 | 1978-10-20 | Treating method for waste water used to wash garbage incineration plant exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5556013A true JPS5556013A (en) | 1980-04-24 |
Family
ID=14987173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12853678A Pending JPS5556013A (en) | 1978-10-20 | 1978-10-20 | Treating method for waste water used to wash garbage incineration plant exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5556013A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100230100B1 (en) * | 1991-09-10 | 1999-11-15 | 더블유. 니첼스 | A method for preparing an industrial aqueous solution of sodium chloride and the use of an aqueous sodium chloride solution for preparing an electrolyte of an aqueous sodium hydroxide solution, for preparing sodium carbonate, and for preparing sodium chloride crystals. |
| CN108675499A (en) * | 2018-05-30 | 2018-10-19 | 龙蟒佰利联集团股份有限公司 | A kind of method of chloride slag mashing waste water integrated treatment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5240476A (en) * | 1975-09-26 | 1977-03-29 | Daido Kagaku Sochi Kk | Process and equipment for treating exhaust gas from waste incinerator |
-
1978
- 1978-10-20 JP JP12853678A patent/JPS5556013A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5240476A (en) * | 1975-09-26 | 1977-03-29 | Daido Kagaku Sochi Kk | Process and equipment for treating exhaust gas from waste incinerator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100230100B1 (en) * | 1991-09-10 | 1999-11-15 | 더블유. 니첼스 | A method for preparing an industrial aqueous solution of sodium chloride and the use of an aqueous sodium chloride solution for preparing an electrolyte of an aqueous sodium hydroxide solution, for preparing sodium carbonate, and for preparing sodium chloride crystals. |
| CN108675499A (en) * | 2018-05-30 | 2018-10-19 | 龙蟒佰利联集团股份有限公司 | A kind of method of chloride slag mashing waste water integrated treatment |
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