JPS646833B2 - - Google Patents
Info
- Publication number
- JPS646833B2 JPS646833B2 JP9533281A JP9533281A JPS646833B2 JP S646833 B2 JPS646833 B2 JP S646833B2 JP 9533281 A JP9533281 A JP 9533281A JP 9533281 A JP9533281 A JP 9533281A JP S646833 B2 JPS646833 B2 JP S646833B2
- Authority
- JP
- Japan
- Prior art keywords
- catalytic
- dephosphorization
- aqueous solution
- treated
- acid
- 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
- 230000003197 catalytic effect Effects 0.000 claims description 63
- 239000000463 material Substances 0.000 claims description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 239000007864 aqueous solution Substances 0.000 claims description 32
- 239000002253 acid Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 229910019142 PO4 Inorganic materials 0.000 claims description 12
- 235000021317 phosphate Nutrition 0.000 claims description 12
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 11
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910001424 calcium ion Inorganic materials 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000001506 calcium phosphate Substances 0.000 claims description 5
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 5
- 235000011010 calcium phosphates Nutrition 0.000 claims description 5
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 5
- 159000000007 calcium salts Chemical class 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 22
- 239000011574 phosphorus Substances 0.000 description 22
- 229910052698 phosphorus Inorganic materials 0.000 description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000011575 calcium Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 239000008399 tap water Substances 0.000 description 8
- 235000020679 tap water Nutrition 0.000 description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 6
- 229910052791 calcium Inorganic materials 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 150000007524 organic acids Chemical class 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010306 acid treatment Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229910052585 phosphate mineral Inorganic materials 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000011975 tartaric acid Substances 0.000 description 2
- 235000002906 tartaric acid Nutrition 0.000 description 2
- -1 CaCl 2 Substances 0.000 description 1
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 241000243321 Cnidaria Species 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010800 human waste Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052816 inorganic phosphate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
- Water Treatment By Sorption (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9533281A JPS57209682A (en) | 1981-06-22 | 1981-06-22 | Catalytic dephosphorization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9533281A JPS57209682A (en) | 1981-06-22 | 1981-06-22 | Catalytic dephosphorization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57209682A JPS57209682A (en) | 1982-12-23 |
| JPS646833B2 true JPS646833B2 (it) | 1989-02-06 |
Family
ID=14134757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9533281A Granted JPS57209682A (en) | 1981-06-22 | 1981-06-22 | Catalytic dephosphorization |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57209682A (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5942087A (ja) * | 1982-09-02 | 1984-03-08 | Ataka Kogyo Kk | 水処理用晶析材の活性化方法 |
-
1981
- 1981-06-22 JP JP9533281A patent/JPS57209682A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57209682A (en) | 1982-12-23 |
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