JPS6353131B2 - - Google Patents
Info
- Publication number
- JPS6353131B2 JPS6353131B2 JP54064985A JP6498579A JPS6353131B2 JP S6353131 B2 JPS6353131 B2 JP S6353131B2 JP 54064985 A JP54064985 A JP 54064985A JP 6498579 A JP6498579 A JP 6498579A JP S6353131 B2 JPS6353131 B2 JP S6353131B2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- solution
- cake
- aluminum sulfate
- dehydrated
- 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
- 239000010802 sludge Substances 0.000 claims description 73
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 71
- 239000000243 solution Substances 0.000 claims description 66
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- 238000010790 dilution Methods 0.000 claims description 16
- 239000012895 dilution Substances 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 19
- 229910052782 aluminium Inorganic materials 0.000 description 19
- 238000004062 sedimentation Methods 0.000 description 17
- 239000007787 solid Substances 0.000 description 11
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 10
- 235000011941 Tilia x europaea Nutrition 0.000 description 10
- 239000012267 brine Substances 0.000 description 10
- 239000004571 lime Substances 0.000 description 10
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 10
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 230000035699 permeability Effects 0.000 description 9
- 239000002245 particle Substances 0.000 description 7
- 238000005345 coagulation Methods 0.000 description 6
- 230000015271 coagulation Effects 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 6
- 238000007710 freezing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 6
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000011362 coarse particle Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 206010020751 Hypersensitivity Diseases 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 208000026935 allergic disease Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010800 human waste Substances 0.000 description 2
- 230000009610 hypersensitivity Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 208000013403 hyperactivity Diseases 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6498579A JPS55158122A (en) | 1979-05-28 | 1979-05-28 | Aluminum sulfate recovering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6498579A JPS55158122A (en) | 1979-05-28 | 1979-05-28 | Aluminum sulfate recovering method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55158122A JPS55158122A (en) | 1980-12-09 |
| JPS6353131B2 true JPS6353131B2 (enrdf_load_stackoverflow) | 1988-10-21 |
Family
ID=13273848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6498579A Granted JPS55158122A (en) | 1979-05-28 | 1979-05-28 | Aluminum sulfate recovering method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55158122A (enrdf_load_stackoverflow) |
-
1979
- 1979-05-28 JP JP6498579A patent/JPS55158122A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55158122A (en) | 1980-12-09 |
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