JP6367085B2 - 有機性排水処理におけるリン回収及びスケール発生防止方法及び装置 - Google Patents
有機性排水処理におけるリン回収及びスケール発生防止方法及び装置 Download PDFInfo
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- JP6367085B2 JP6367085B2 JP2014224347A JP2014224347A JP6367085B2 JP 6367085 B2 JP6367085 B2 JP 6367085B2 JP 2014224347 A JP2014224347 A JP 2014224347A JP 2014224347 A JP2014224347 A JP 2014224347A JP 6367085 B2 JP6367085 B2 JP 6367085B2
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- 238000004065 wastewater treatment Methods 0.000 title claims description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title description 45
- 229910052698 phosphorus Inorganic materials 0.000 title description 45
- 239000011574 phosphorus Substances 0.000 title description 45
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- 238000000034 method Methods 0.000 title description 29
- 230000002265 prevention Effects 0.000 title description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 66
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- 238000006243 chemical reaction Methods 0.000 claims description 52
- 239000006228 supernatant Substances 0.000 claims description 22
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 12
- 239000011777 magnesium Substances 0.000 claims description 12
- 229910052749 magnesium Inorganic materials 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 12
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- 229910019142 PO4 Inorganic materials 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 9
- 239000010452 phosphate Substances 0.000 claims description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- 239000011575 calcium Substances 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims 1
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 30
- 150000003839 salts Chemical class 0.000 description 21
- 238000004090 dissolution Methods 0.000 description 16
- 229910001629 magnesium chloride Inorganic materials 0.000 description 15
- 238000005755 formation reaction Methods 0.000 description 13
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- 230000015572 biosynthetic process Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 230000018044 dehydration Effects 0.000 description 6
- 238000006297 dehydration reaction Methods 0.000 description 6
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- 229920003169 water-soluble polymer Polymers 0.000 description 4
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
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- 238000001556 precipitation Methods 0.000 description 3
- 238000009287 sand filtration Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 125000000143 2-carboxyethyl group Chemical group [H]OC(=O)C([H])([H])C([H])([H])* 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229940120146 EDTMP Drugs 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 description 2
- 235000011010 calcium phosphates Nutrition 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 description 2
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 2
- 239000004137 magnesium phosphate Substances 0.000 description 2
- 229910000157 magnesium phosphate Inorganic materials 0.000 description 2
- 229960002261 magnesium phosphate Drugs 0.000 description 2
- 235000010994 magnesium phosphates Nutrition 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 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 2
- 239000002455 scale inhibitor Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 210000002700 urine Anatomy 0.000 description 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- RPEIKJGZYJQGJL-UHFFFAOYSA-N 2-hydroxyethane-1,1-disulfonic acid Chemical compound OCC(S(O)(=O)=O)S(O)(=O)=O RPEIKJGZYJQGJL-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 1
- 241001643597 Evas Species 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
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- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 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
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- -1 phosphate compound Chemical class 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
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- 229940047670 sodium acrylate Drugs 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229910052567 struvite Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Description
[1]有機性排水処理設備における難溶解性リン酸塩形成反応槽の上澄み水排出部に、スケール分散剤を添加することを特徴とする、有機性排水処理におけるリン回収及びスケール発生防止方法。
[2]前記スケール分散剤の添加量は、20mg/L未満であることを特徴とする[1]に記載のリン回収及びスケール発生防止方法。
[3]有機性排水処理設備における難溶解性リン酸塩形成反応槽の上澄み水排出部に、スケール分散剤を添加する手段を設けたことを特徴とする有機性排水処理設備。
[4]前記難溶解性リン酸塩形成反応槽からの上澄み水を受け容れる処理水槽、当該上澄み水と脱水分離液とを混合する分離液槽、当該上澄み水の少なくとも一部を受け容れ、当該難溶解性リン酸塩形成反応槽にマグネシウム源を供給するマグネシウム源溶解槽又はカルシウム源を供給するカルシウム源溶解槽から選択される1槽以上をさらに具備し、当該選択された1槽以上に追加のスケール分散剤を添加する手段を設けたことを特徴とする[3]に記載の有機性排水処理設備。
Claims (1)
- 有機性排水処理設備における難溶解性リン酸塩形成反応槽の上澄み水排出部に、スケール分散剤を添加する手段を設け、
前記難溶解性リン酸塩形成反応槽からの上澄み水を受け容れる処理水槽、当該上澄み水と脱水分離液とを混合する分離液槽、当該上澄み水の少なくとも一部を受け容れ、当該難溶解性リン酸塩形成反応槽にマグネシウム源を供給するマグネシウム源溶解槽又はカルシウム源を供給するカルシウム源溶解槽から選択される1槽以上をさらに具備し、当該選択された1槽以上に追加のスケール分散剤を添加する手段を設けたことを特徴とする有機性排水処理設備。
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JP6367085B2 true JP6367085B2 (ja) | 2018-08-01 |
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Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4439040B2 (ja) * | 1999-08-03 | 2010-03-24 | 前澤工業株式会社 | 排水処理装置 |
JP4288336B2 (ja) * | 2003-05-19 | 2009-07-01 | 昭和環境システム株式会社 | 廃水よりリン酸カルシウムの製造方法 |
JP4785353B2 (ja) * | 2004-06-22 | 2011-10-05 | オルガノ株式会社 | フッ素含有水の晶析処理方法 |
JP2010017631A (ja) * | 2008-07-09 | 2010-01-28 | Kurita Water Ind Ltd | リン酸含有水の処理方法及び処理装置 |
JP5217883B2 (ja) * | 2008-10-10 | 2013-06-19 | 栗田工業株式会社 | リン酸、硝酸および有機酸含有水の処理方法および処理装置 |
CN101935093B (zh) * | 2010-08-17 | 2012-05-23 | 南京大学 | 一种高浓度氮磷废水的连续流反应器及其处理废水的方法 |
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