JPS5460754A - Process for treating waste water - Google Patents
Process for treating waste waterInfo
- Publication number
- JPS5460754A JPS5460754A JP12570577A JP12570577A JPS5460754A JP S5460754 A JPS5460754 A JP S5460754A JP 12570577 A JP12570577 A JP 12570577A JP 12570577 A JP12570577 A JP 12570577A JP S5460754 A JPS5460754 A JP S5460754A
- Authority
- JP
- Japan
- Prior art keywords
- sands
- waste water
- sludges
- treatment
- water containing
- 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 Sludge (AREA)
Abstract
PURPOSE: To provide the subject process comprising passing waste water through a screening device to remove sieving residues, and thereafter passing the same through a liquid cyclone to remove sands and the like, thereby to reduce the load in the treatment steps, to simplify the device and reduce the treatment cost.
CONSTITUTION: Waste water containing sieve residues, sands, sludges and the like is passed through a screen device 8 in which a large number of sheet-like discs are arranged slidably at intervals of several millimeters or a large number of sheets are inclined and arranged thereby to remove relatively coarse dusts. The thus removed sieving residues are washed, and thereafter dehydrated and subjected to burning treatment. Then, the waste water containing sands, sludges and the like is led to the inlet 9a of the liquid cyclone 9, and sands having large specific gravities are exhausted out of the lower outlet 9c while turning within the cyclone. The waste water containing sludges is subjected to ordinary treatment. Sands removed from the liquid cyclone 9 are treated by a sand washing device or the like.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12570577A JPS5460754A (en) | 1977-10-21 | 1977-10-21 | Process for treating waste water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12570577A JPS5460754A (en) | 1977-10-21 | 1977-10-21 | Process for treating waste water |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5460754A true JPS5460754A (en) | 1979-05-16 |
Family
ID=14916677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12570577A Pending JPS5460754A (en) | 1977-10-21 | 1977-10-21 | Process for treating waste water |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5460754A (en) |
-
1977
- 1977-10-21 JP JP12570577A patent/JPS5460754A/en active Pending
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