JPH0128627B2 - - Google Patents
Info
- Publication number
- JPH0128627B2 JPH0128627B2 JP27348384A JP27348384A JPH0128627B2 JP H0128627 B2 JPH0128627 B2 JP H0128627B2 JP 27348384 A JP27348384 A JP 27348384A JP 27348384 A JP27348384 A JP 27348384A JP H0128627 B2 JPH0128627 B2 JP H0128627B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- pipe
- material layer
- treated
- treated water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 72
- 239000010410 layer Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 37
- 239000003513 alkali Substances 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 7
- 239000011575 calcium Substances 0.000 claims description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- 230000003197 catalytic effect Effects 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 18
- 238000005273 aeration Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 239000011574 phosphorus Substances 0.000 description 10
- 229910052698 phosphorus Inorganic materials 0.000 description 10
- 239000000126 substance Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000006114 decarboxylation reaction Methods 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002367 phosphate rock Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 235000012254 magnesium hydroxide Nutrition 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 235000012245 magnesium oxide Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27348384A JPS61153191A (ja) | 1984-12-26 | 1984-12-26 | 接触脱リン装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27348384A JPS61153191A (ja) | 1984-12-26 | 1984-12-26 | 接触脱リン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61153191A JPS61153191A (ja) | 1986-07-11 |
JPH0128627B2 true JPH0128627B2 (el) | 1989-06-05 |
Family
ID=17528533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP27348384A Granted JPS61153191A (ja) | 1984-12-26 | 1984-12-26 | 接触脱リン装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61153191A (el) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4631169B2 (ja) * | 2001-01-11 | 2011-02-16 | 栗田工業株式会社 | 正リン酸含有水の脱リン方法及び脱リン装置 |
JP4001472B2 (ja) * | 2001-09-06 | 2007-10-31 | 株式会社荏原製作所 | 金属含有水の処理方法及び処理装置 |
JP2005095758A (ja) * | 2003-09-24 | 2005-04-14 | National Agriculture & Bio-Oriented Research Organization | 無機態窒素・リン含有水の処理方法及び装置 |
JP4519485B2 (ja) * | 2004-03-04 | 2010-08-04 | 荏原エンジニアリングサービス株式会社 | リンの回収方法及び装置 |
JP4756260B2 (ja) * | 2004-11-10 | 2011-08-24 | 独立行政法人農業・食品産業技術総合研究機構 | 懸濁物を伴う無機態窒素・リン含有水の処理方法 |
JP5540034B2 (ja) * | 2012-03-07 | 2014-07-02 | 三井造船環境エンジニアリング株式会社 | リン含有水のリン回収装置 |
JP5963656B2 (ja) * | 2012-11-28 | 2016-08-03 | 水ing株式会社 | 汚泥処理装置およびリンの製造方法 |
-
1984
- 1984-12-26 JP JP27348384A patent/JPS61153191A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61153191A (ja) | 1986-07-11 |
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