JPS6235836B2 - - Google Patents
Info
- Publication number
- JPS6235836B2 JPS6235836B2 JP56016867A JP1686781A JPS6235836B2 JP S6235836 B2 JPS6235836 B2 JP S6235836B2 JP 56016867 A JP56016867 A JP 56016867A JP 1686781 A JP1686781 A JP 1686781A JP S6235836 B2 JPS6235836 B2 JP S6235836B2
- Authority
- JP
- Japan
- Prior art keywords
- suspension
- flocculant
- added
- sludge
- flocculating
- 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.)
- Expired
Links
- 239000000725 suspension Substances 0.000 claims description 36
- 239000010802 sludge Substances 0.000 claims description 30
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 29
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 22
- 150000001341 alkaline earth metal compounds Chemical class 0.000 claims description 19
- 238000011282 treatment Methods 0.000 claims description 17
- 125000002091 cationic group Chemical group 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 230000003311 flocculating effect Effects 0.000 claims description 9
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 6
- 229920000877 Melamine resin Polymers 0.000 claims description 6
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 150000002736 metal compounds Chemical class 0.000 claims description 4
- 229920001661 Chitosan Polymers 0.000 claims description 3
- 229920002873 Polyethylenimine Polymers 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 3
- 229920002717 polyvinylpyridine Polymers 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 159000000009 barium salts Chemical class 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 150000004679 hydroxides Chemical class 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims 1
- 238000005189 flocculation Methods 0.000 description 26
- 230000016615 flocculation Effects 0.000 description 26
- 238000003756 stirring Methods 0.000 description 24
- 230000000694 effects Effects 0.000 description 13
- 239000008394 flocculating agent Substances 0.000 description 10
- 239000002351 wastewater Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 6
- 230000002776 aggregation Effects 0.000 description 5
- 125000000129 anionic group Chemical group 0.000 description 5
- 238000011284 combination treatment Methods 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- 239000001110 calcium chloride Substances 0.000 description 4
- 229910001628 calcium chloride Inorganic materials 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000010800 human waste Substances 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- -1 sulfuric acid band Chemical compound 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1686781A JPS57132509A (en) | 1981-02-09 | 1981-02-09 | Flocculation treatment of suspension |
| US06/287,453 US4382864A (en) | 1980-08-08 | 1981-07-27 | Process for dewatering sludges |
| DE19813131411 DE3131411A1 (de) | 1980-08-08 | 1981-08-07 | Verfahren zum entwaessern von schlaemmen |
| GB8124156A GB2082163B (en) | 1980-08-08 | 1981-08-07 | Dewatering sludges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1686781A JPS57132509A (en) | 1981-02-09 | 1981-02-09 | Flocculation treatment of suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57132509A JPS57132509A (en) | 1982-08-16 |
| JPS6235836B2 true JPS6235836B2 (fi) | 1987-08-04 |
Family
ID=11928156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1686781A Granted JPS57132509A (en) | 1980-08-08 | 1981-02-09 | Flocculation treatment of suspension |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57132509A (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6115665B1 (ja) * | 2016-03-04 | 2017-04-19 | 栗田工業株式会社 | 水処理薬品の調製方法および水処理方法 |
| JP6115661B1 (ja) * | 2016-02-10 | 2017-04-19 | 栗田工業株式会社 | 水処理方法 |
| WO2017138184A1 (ja) * | 2016-02-10 | 2017-08-17 | 栗田工業株式会社 | 凝集剤および水処理方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5125362A (en) * | 1974-08-23 | 1976-03-01 | Oshita Naojiro | Haisui kendakusuinoshorihoho |
| JPS5315277A (en) * | 1976-07-28 | 1978-02-10 | Kyoritsu Yuki Kogyo Kenkyusho:Kk | Applying method for polymer flocculating-dehydrating agent |
-
1981
- 1981-02-09 JP JP1686781A patent/JPS57132509A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5125362A (en) * | 1974-08-23 | 1976-03-01 | Oshita Naojiro | Haisui kendakusuinoshorihoho |
| JPS5315277A (en) * | 1976-07-28 | 1978-02-10 | Kyoritsu Yuki Kogyo Kenkyusho:Kk | Applying method for polymer flocculating-dehydrating agent |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57132509A (en) | 1982-08-16 |
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