JPS60110393A - 水中のリン酸除去材 - Google Patents
水中のリン酸除去材Info
- Publication number
- JPS60110393A JPS60110393A JP21910683A JP21910683A JPS60110393A JP S60110393 A JPS60110393 A JP S60110393A JP 21910683 A JP21910683 A JP 21910683A JP 21910683 A JP21910683 A JP 21910683A JP S60110393 A JPS60110393 A JP S60110393A
- Authority
- JP
- Japan
- Prior art keywords
- phosphoric acid
- water
- magnesium oxide
- acid removal
- granular
- 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.)
- Granted
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims description 40
- 239000000463 material Substances 0.000 title claims description 28
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 20
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 26
- 239000000395 magnesium oxide Substances 0.000 claims description 19
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 7
- 159000000007 calcium salts Chemical class 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- 238000002425 crystallisation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008025 crystallization Effects 0.000 description 7
- 229910019142 PO4 Inorganic materials 0.000 description 6
- 238000011001 backwashing Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 6
- 239000000347 magnesium hydroxide Substances 0.000 description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 6
- 235000021317 phosphate Nutrition 0.000 description 6
- 239000002367 phosphate rock Substances 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000012085 test solution Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 239000011236 particulate material Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 239000011575 calcium Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000008262 pumice Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 235000008708 Morus alba Nutrition 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 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 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21910683A JPS60110393A (ja) | 1983-11-21 | 1983-11-21 | 水中のリン酸除去材 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21910683A JPS60110393A (ja) | 1983-11-21 | 1983-11-21 | 水中のリン酸除去材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60110393A true JPS60110393A (ja) | 1985-06-15 |
| JPS6231997B2 JPS6231997B2 (enrdf_load_stackoverflow) | 1987-07-11 |
Family
ID=16730347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21910683A Granted JPS60110393A (ja) | 1983-11-21 | 1983-11-21 | 水中のリン酸除去材 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60110393A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013027807A1 (ja) * | 2011-08-24 | 2013-02-28 | 株式会社 東芝 | リン回収剤とその製造方法 |
| WO2014049897A1 (ja) * | 2012-09-25 | 2014-04-03 | 株式会社 東芝 | リン回収剤 |
-
1983
- 1983-11-21 JP JP21910683A patent/JPS60110393A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013027807A1 (ja) * | 2011-08-24 | 2013-02-28 | 株式会社 東芝 | リン回収剤とその製造方法 |
| JP5665891B2 (ja) * | 2011-08-24 | 2015-02-04 | 株式会社東芝 | リン回収剤とその製造方法 |
| WO2014049897A1 (ja) * | 2012-09-25 | 2014-04-03 | 株式会社 東芝 | リン回収剤 |
| JP2014079744A (ja) * | 2012-09-25 | 2014-05-08 | Toshiba Corp | リン回収剤 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6231997B2 (enrdf_load_stackoverflow) | 1987-07-11 |
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