JP2014050841A - 水処理方法 - Google Patents
水処理方法 Download PDFInfo
- Publication number
- JP2014050841A JP2014050841A JP2013231988A JP2013231988A JP2014050841A JP 2014050841 A JP2014050841 A JP 2014050841A JP 2013231988 A JP2013231988 A JP 2013231988A JP 2013231988 A JP2013231988 A JP 2013231988A JP 2014050841 A JP2014050841 A JP 2014050841A
- Authority
- JP
- Japan
- Prior art keywords
- water treatment
- boron
- fluorine
- wastewater
- added
- 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
- 238000011282 treatment Methods 0.000 title claims abstract description 141
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 229910001868 water Inorganic materials 0.000 title claims abstract description 126
- 238000000034 method Methods 0.000 title claims abstract description 80
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 84
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052796 boron Inorganic materials 0.000 claims abstract description 80
- 239000002351 wastewater Substances 0.000 claims abstract description 80
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 53
- 239000011737 fluorine Substances 0.000 claims abstract description 53
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 51
- 239000000292 calcium oxide Substances 0.000 claims abstract description 42
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 42
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 30
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 30
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 30
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 26
- 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 abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 17
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011669 selenium Substances 0.000 claims abstract description 15
- 229910052711 selenium Inorganic materials 0.000 claims abstract description 15
- 150000002506 iron compounds Chemical class 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 239000011575 calcium Substances 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000000126 substance Substances 0.000 abstract description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 47
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 21
- 230000000694 effects Effects 0.000 description 15
- 230000008569 process Effects 0.000 description 13
- 239000002994 raw material Substances 0.000 description 13
- 238000000926 separation method Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 11
- 238000006477 desulfuration reaction Methods 0.000 description 10
- 230000023556 desulfurization Effects 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000003546 flue gas Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 7
- 229910052785 arsenic Inorganic materials 0.000 description 7
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- -1 fluorine ions Chemical class 0.000 description 6
- 238000004065 wastewater treatment Methods 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 5
- 229910052787 antimony Inorganic materials 0.000 description 5
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 5
- 238000005345 coagulation Methods 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 4
- 229910052683 pyrite Inorganic materials 0.000 description 4
- 239000011028 pyrite Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 150000001342 alkaline earth metals Chemical class 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 2
- 235000014413 iron hydroxide Nutrition 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000358 iron sulfate Inorganic materials 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052952 pyrrhotite Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 101100399296 Mus musculus Lime1 gene Proteins 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- LIQLLTGUOSHGKY-UHFFFAOYSA-N [B].[F] Chemical compound [B].[F] LIQLLTGUOSHGKY-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 235000011126 aluminium potassium sulphate Nutrition 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- NFMAZVUSKIJEIH-UHFFFAOYSA-N bis(sulfanylidene)iron Chemical compound S=[Fe]=S NFMAZVUSKIJEIH-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 229910001701 hydrotalcite Inorganic materials 0.000 description 1
- 229960001545 hydrotalcite Drugs 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000339 iron disulfide Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229940050271 potassium alum Drugs 0.000 description 1
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
Abstract
【解決手段】ホウ素、フッ素を含有する排水に、アルミニウムとカルシウムのモル比が1:5〜1:22の範囲になるように配合された硫酸アルミニウムと生石灰からなる水処理剤を添加し、ホウ素とフッ素を除去する。さらに消石灰を添加してもよい。さらに鉄化合物を添加し、セレンを除去することができる。生石灰及び消石灰を粉末として排水に添加してもよく、生石灰及び消石灰の含有量が20質量%以下のスラリーを排水に添加してもよい。
【選択図】なし
Description
ホウ酸試薬、塩酸(濃度35〜36%)、水酸化ナトリウムを用いてホウ素濃度B:500mg/L、塩化物イオン濃度0〜10,000mg/Lの模擬排水を調整した。これに、表1に示す水処理剤を添加し、以下に記載する方法でホウ素水処理試験を実施した。
(1)試薬で調整したホウ素濃度500mg/Lの模擬排水を500mlビーカーに200ml分取し、所定配合の水処理剤を添加し、ホウ素等の水処理能力を評価する。
(4)吸引ろ過装置にろ紙(5C)をセットし、溶液を真空ろ過する。(pH測定)
(5)ろ液を使用し、ICPを用いてホウ素濃度を測定する。また、排水中に含有する場合はセレン濃度をICPにて測定、フッ素濃度をガラス電極で測定する。
ここでは、ホウ素濃度95.1mg/L、フッ素濃度31.8mg/Lの窯業における排水の処理を検討する。排水中の両成分を一律排水基準値以下まで処理することが、水処理の目的である。(ホウ素:10mg/L以下、フッ素:8mg/L)この排水に以下の水処理剤を粉末として添加し、前記の方法で水処理試験を行った。
(実施例7)この排水に表1に記載した水処理剤を1.5質量%添加した。この結果は表3のとおりとなった。
ここでは、排煙脱硫排水の処理例を示す。石炭火力発電所から採取した脱硫排水にホウ酸試薬を添加し、ホウ素濃度をおよそ500mg/Lに調整を行った。調整後の排水の特性は以下のとおりであった。この排水に表1、実施例6に示した水処理剤を1.7質量%添加して、前記と同様の方法で水処理試験を実施した。この結果を表3に示す。
(排煙脱硫排水の特性)
・排水組成等:Ca:1210mg/l、Cl:3850mg/L、SO4:2510mg/L等、pH7.5
・有害イオン濃度:ホウ素濃度491mg/L(原水:185mg/L)、フッ素16.4mg/L、全セレン:0.55mg/L
表3、実施例8の結果に示すとおり本発明の水処理剤により、高濃度のホウ素を含有する排水を、全成分とも海域への排水基準以下まで極めて良好に処理することができた。また、この処理におけるホウ素の除去能力は20mg/gと極めて高い水準となった。(排水基準(海域):ホウ素:230mg/L、フッ素:15mg/L、全セレン:0.30mg/L)
ここで使用した二硫化鉄粉(黄鉄鉱粉)は、中国製粉砕品であり粒度100メッシュ以下、組成はFe:48.7質量%、S:45.9質量%、SiO2:4.1質量%の高純度なものである。また、生石灰、硫酸アルミニウムは前記と同じものを使用した。
Claims (5)
- ホウ素、フッ素を含有する排水に、アルミニウムとカルシウムのモル比が1:5〜1:22の範囲になるように配合された硫酸アルミニウムと生石灰からなる水処理剤を添加し、ホウ素とフッ素を除去することを特徴とする水処理方法。
- さらに消石灰を添加することを特徴とする請求項1記載の水処理方法。
- さらに鉄化合物を添加し、セレンを除去することを特徴とする請求項1又は2記載の水処理方法。
- 生石灰及び消石灰を粉末として排水に添加することを特徴とする請求項2記載の水処理方法。
- 生石灰及び消石灰の含有量が20質量%以下のスラリーを排水に添加することを特徴とする請求項2記載の水処理方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013231988A JP5831914B2 (ja) | 2013-11-08 | 2013-11-08 | 水処理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013231988A JP5831914B2 (ja) | 2013-11-08 | 2013-11-08 | 水処理方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009256791A Division JP5451323B2 (ja) | 2009-11-10 | 2009-11-10 | 水処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014050841A true JP2014050841A (ja) | 2014-03-20 |
JP5831914B2 JP5831914B2 (ja) | 2015-12-09 |
Family
ID=50609837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013231988A Active JP5831914B2 (ja) | 2013-11-08 | 2013-11-08 | 水処理方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5831914B2 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101559852B1 (ko) | 2014-11-13 | 2015-10-13 | 오에스케이 주식회사 | 식각공정에서 발생하는 붕불산 폐수의 처리방법 |
JP2016187779A (ja) * | 2015-03-30 | 2016-11-04 | 住友重機械エンバイロメント株式会社 | 排水処理装置及び排水処理方法 |
JP2017100118A (ja) * | 2015-11-25 | 2017-06-08 | 株式会社武部鉄工所 | 水処理方法及び水処理システム |
JP2018131355A (ja) * | 2017-02-15 | 2018-08-23 | 住友大阪セメント株式会社 | 石膏の製造方法およびセメント組成物の製造方法 |
CN114195238A (zh) * | 2021-11-29 | 2022-03-18 | 内蒙古久科康瑞环保科技有限公司 | 一种同步除氟除硅药剂及其使用方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101802859B1 (ko) * | 2017-04-13 | 2017-11-29 | 삼성엔지니어링 주식회사 | 불소 폐수 처리 방법 및 장치 |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5226759A (en) * | 1975-08-27 | 1977-02-28 | Showa Koji Kk | Method of treating waste water containing borofluoride |
JPS5268754A (en) * | 1975-12-03 | 1977-06-07 | Showa Koji Kk | Method of treating waste water containing borofluoride |
JP2001179266A (ja) * | 1999-12-27 | 2001-07-03 | Taiheiyo Cement Corp | セレン含有水の処理方法 |
JP2001239273A (ja) * | 2000-03-01 | 2001-09-04 | Kurita Water Ind Ltd | ホウ素およびフッ素含有水の処理方法 |
JP2001276814A (ja) * | 2000-03-30 | 2001-10-09 | Japan Organo Co Ltd | フッ素および/またはホウ素を含む排水の処理方法 |
JP2003211169A (ja) * | 2001-10-31 | 2003-07-29 | Chubu Electric Power Co Inc | ホウ素含有固化体およびその調製方法 |
JP2004000883A (ja) * | 2002-03-29 | 2004-01-08 | Taiheiyo Cement Corp | セレンを含む溶液の処理方法 |
JP2007038171A (ja) * | 2005-08-04 | 2007-02-15 | Nec Facilities Ltd | ホウ素含有排水の処理方法及び処理装置 |
JP2007302885A (ja) * | 2006-04-14 | 2007-11-22 | Univ Waseda | 有害物質の不溶化剤 |
JP2007301456A (ja) * | 2006-05-10 | 2007-11-22 | Nec Facilities Ltd | ホウ素含有排水の処理方法及び処理装置 |
JP2009095810A (ja) * | 2007-10-19 | 2009-05-07 | Nec Facilities Ltd | ホウ素含有排水の処理方法及び処理装置 |
JP2009214027A (ja) * | 2008-03-11 | 2009-09-24 | Denki Kagaku Kogyo Kk | 多孔質浄化材料及びそれを用いた多孔質フィルターによる浄化方法 |
WO2009128490A1 (ja) * | 2008-04-16 | 2009-10-22 | 株式会社Azmec | 有害物質の不溶化剤、有害物質の不溶化方法及び水処理方法 |
JP2010082497A (ja) * | 2008-09-29 | 2010-04-15 | Lion Corp | 水処理剤及び水処理方法 |
JP2010269309A (ja) * | 2010-08-05 | 2010-12-02 | Nec Facilities Ltd | ホウ素含有排水の処理方法及び処理装置 |
-
2013
- 2013-11-08 JP JP2013231988A patent/JP5831914B2/ja active Active
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5226759A (en) * | 1975-08-27 | 1977-02-28 | Showa Koji Kk | Method of treating waste water containing borofluoride |
JPS5268754A (en) * | 1975-12-03 | 1977-06-07 | Showa Koji Kk | Method of treating waste water containing borofluoride |
JP2001179266A (ja) * | 1999-12-27 | 2001-07-03 | Taiheiyo Cement Corp | セレン含有水の処理方法 |
JP2001239273A (ja) * | 2000-03-01 | 2001-09-04 | Kurita Water Ind Ltd | ホウ素およびフッ素含有水の処理方法 |
JP2001276814A (ja) * | 2000-03-30 | 2001-10-09 | Japan Organo Co Ltd | フッ素および/またはホウ素を含む排水の処理方法 |
JP2003211169A (ja) * | 2001-10-31 | 2003-07-29 | Chubu Electric Power Co Inc | ホウ素含有固化体およびその調製方法 |
JP2004000883A (ja) * | 2002-03-29 | 2004-01-08 | Taiheiyo Cement Corp | セレンを含む溶液の処理方法 |
JP2007038171A (ja) * | 2005-08-04 | 2007-02-15 | Nec Facilities Ltd | ホウ素含有排水の処理方法及び処理装置 |
JP2007302885A (ja) * | 2006-04-14 | 2007-11-22 | Univ Waseda | 有害物質の不溶化剤 |
JP2007301456A (ja) * | 2006-05-10 | 2007-11-22 | Nec Facilities Ltd | ホウ素含有排水の処理方法及び処理装置 |
JP2009095810A (ja) * | 2007-10-19 | 2009-05-07 | Nec Facilities Ltd | ホウ素含有排水の処理方法及び処理装置 |
JP2009214027A (ja) * | 2008-03-11 | 2009-09-24 | Denki Kagaku Kogyo Kk | 多孔質浄化材料及びそれを用いた多孔質フィルターによる浄化方法 |
WO2009128490A1 (ja) * | 2008-04-16 | 2009-10-22 | 株式会社Azmec | 有害物質の不溶化剤、有害物質の不溶化方法及び水処理方法 |
JP2010082497A (ja) * | 2008-09-29 | 2010-04-15 | Lion Corp | 水処理剤及び水処理方法 |
JP2010269309A (ja) * | 2010-08-05 | 2010-12-02 | Nec Facilities Ltd | ホウ素含有排水の処理方法及び処理装置 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101559852B1 (ko) | 2014-11-13 | 2015-10-13 | 오에스케이 주식회사 | 식각공정에서 발생하는 붕불산 폐수의 처리방법 |
JP2016187779A (ja) * | 2015-03-30 | 2016-11-04 | 住友重機械エンバイロメント株式会社 | 排水処理装置及び排水処理方法 |
JP2017100118A (ja) * | 2015-11-25 | 2017-06-08 | 株式会社武部鉄工所 | 水処理方法及び水処理システム |
JP2018131355A (ja) * | 2017-02-15 | 2018-08-23 | 住友大阪セメント株式会社 | 石膏の製造方法およびセメント組成物の製造方法 |
CN114195238A (zh) * | 2021-11-29 | 2022-03-18 | 内蒙古久科康瑞环保科技有限公司 | 一种同步除氟除硅药剂及其使用方法 |
Also Published As
Publication number | Publication date |
---|---|
JP5831914B2 (ja) | 2015-12-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5831914B2 (ja) | 水処理方法 | |
JP5451323B2 (ja) | 水処理方法 | |
JP5239718B2 (ja) | 重金属類を含有する排水の水処理方法 | |
CN101962239B (zh) | 一种钛白废水的净化方法 | |
JP5913436B2 (ja) | ホウ素除去剤 | |
CN110040878B (zh) | 一种含氟废水深度处理方法 | |
CN102001734B (zh) | 处理含汞废水的重金属沉降剂 | |
CN107628632B (zh) | 一种利用粉煤灰制备絮凝剂聚合氯化铝的方法 | |
WO2018168558A1 (ja) | 水処理方法、水処理用マグネシウム剤、および水処理用マグネシウム剤の製造方法 | |
JP4809080B2 (ja) | フッ素イオンを含有する排水の処理方法および排水処理剤 | |
JP6355913B2 (ja) | アルミニウム成分(Al成分)を含有する廃泥の処理物を含むイオン交換体、イオン交換体の製造方法、及び該イオン交換体を含有する有害元素イオン除去剤 | |
JP5607787B1 (ja) | 酸性廃水の処理方法 | |
JP4306394B2 (ja) | セメントキルン抽気ダストの処理方法 | |
JP5206453B2 (ja) | セメントキルン抽気ダストの処理方法 | |
CN104150642B (zh) | 一种改性赤泥粉处理污酸废水的方法 | |
JP2010082497A (ja) | 水処理剤及び水処理方法 | |
JP2011016120A (ja) | 排水中のフッ素イオンの除去剤とそれを使用したフッ素イオンの除去方法 | |
WO2013117996A1 (en) | Processes for the removal of metals and oxyanions from aqueous streams | |
JP2001347104A (ja) | 粉末状浄化処理剤および上水および排水の浄化処理方法 | |
US4336142A (en) | Removal of heavy metals with gamma dicalcium silicate | |
JP2010234306A (ja) | セレンの不溶化処理方法 | |
JP5206455B2 (ja) | セメントキルン抽気ダストの処理方法 | |
JP6610855B2 (ja) | 重金属処理材及び重金属含有飛灰洗浄液の処理方法 | |
JP2007021485A (ja) | 結晶性珪酸ナトリウムを用いた排水を浄化する方法又は排水浄化剤 | |
KR101707769B1 (ko) | 수처리제 제조방법 및 그에 의해 제조되는 수처리제 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20131206 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20131211 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150302 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150430 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20151006 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20151021 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5831914 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |