JPS5588900A - Sludge dehydration treating method - Google Patents
Sludge dehydration treating methodInfo
- Publication number
- JPS5588900A JPS5588900A JP16431578A JP16431578A JPS5588900A JP S5588900 A JPS5588900 A JP S5588900A JP 16431578 A JP16431578 A JP 16431578A JP 16431578 A JP16431578 A JP 16431578A JP S5588900 A JPS5588900 A JP S5588900A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- acrylamide
- amt
- copolymer
- mannich modification
- 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
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
Abstract
PURPOSE: To considerably enhance the effect of aggregating snd dehydrating sludge by combinedly adding dust coal and a Mannich modification product of an acrylamide (co)polymer to the sludge and dehydrating the sludge thus aggregated.
CONSTITUTION: To raw sludge, excess sludge, digested sludge, etc. discharged from treatment of various kinds of waste water are combinedly added dust coal and the above-mentioned Mannich modification product in an amt. of 50W500wt% and 0.05W5wt%, respectively to the amt. of solid matter in the sludge. The sludge is then mixed while agitating by a known method in a mixing vessel or the like, followed by aggregation and dehydration. The Mannich modification product is of polyacrylamide or of a copolymer contg. a dominant amt. of acrylamide. Mannich modification is performed by reacting the (co)polymer with aldehydes and sec. amines. A copolymer of acrylamide and a vinyl monomer copolymerizable with acrylamide is pref. used as the above copolymer.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16431578A JPS5588900A (en) | 1978-12-27 | 1978-12-27 | Sludge dehydration treating method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16431578A JPS5588900A (en) | 1978-12-27 | 1978-12-27 | Sludge dehydration treating method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5588900A true JPS5588900A (en) | 1980-07-04 |
Family
ID=15790803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16431578A Pending JPS5588900A (en) | 1978-12-27 | 1978-12-27 | Sludge dehydration treating method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5588900A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63232900A (en) * | 1987-03-20 | 1988-09-28 | Kubota Ltd | Method for dehydrating sludge |
-
1978
- 1978-12-27 JP JP16431578A patent/JPS5588900A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63232900A (en) * | 1987-03-20 | 1988-09-28 | Kubota Ltd | Method for dehydrating sludge |
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