JP2008149241A - 地下水の浄化方法 - Google Patents
地下水の浄化方法 Download PDFInfo
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- JP2008149241A JP2008149241A JP2006338698A JP2006338698A JP2008149241A JP 2008149241 A JP2008149241 A JP 2008149241A JP 2006338698 A JP2006338698 A JP 2006338698A JP 2006338698 A JP2006338698 A JP 2006338698A JP 2008149241 A JP2008149241 A JP 2008149241A
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- groundwater
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- 239000003673 groundwater Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 30
- 229910052796 boron Inorganic materials 0.000 claims abstract description 57
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000002245 particle Substances 0.000 claims abstract description 47
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 43
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 239000003513 alkali Substances 0.000 claims abstract description 19
- MBBZMMPHUWSWHV-BDVNFPICSA-N N-methylglucamine Chemical group CNC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO MBBZMMPHUWSWHV-BDVNFPICSA-N 0.000 claims abstract description 12
- 125000000524 functional group Chemical group 0.000 claims abstract description 10
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 5
- 231100000719 pollutant Toxicity 0.000 claims abstract description 5
- 238000000746 purification Methods 0.000 claims description 48
- 230000003472 neutralizing effect Effects 0.000 claims description 15
- 238000001179 sorption measurement Methods 0.000 claims description 15
- 239000002689 soil Substances 0.000 claims description 10
- 239000004927 clay Substances 0.000 claims description 8
- 239000000356 contaminant Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 5
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 5
- 239000000347 magnesium hydroxide Substances 0.000 claims description 5
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 5
- 239000012466 permeate Substances 0.000 claims description 5
- 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 claims description 4
- 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 claims description 4
- 239000003864 humus Substances 0.000 claims description 4
- 229910001701 hydrotalcite Inorganic materials 0.000 claims description 4
- 229960001545 hydrotalcite Drugs 0.000 claims description 4
- 239000003456 ion exchange resin Substances 0.000 claims description 4
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 4
- 239000005909 Kieselgur Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 3
- 239000013522 chelant Substances 0.000 description 3
- 150000002681 magnesium compounds Chemical class 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- -1 borate ions Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 150000003755 zirconium compounds Chemical class 0.000 description 2
- 0 CN*C1=CC=C*(*)C=C1 Chemical compound CN*C1=CC=C*(*)C=C1 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910001583 allophane Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 150000001638 boron Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Treatment Of Water By Ion Exchange (AREA)
Abstract
【解決手段】地中に地下水浄化層3を設ける。この地下水浄化層3はホウ素の除去成分を有しており、地下水中のホウ素がこの除去成分と接触することにより、除去される。汚染物質除去成分は、アルカリ剤粒子とN−メチルグルカミン基を官能基として有するホウ素選択吸着樹脂粒である。アルカリ剤粒子としては酸化マグネシウム、鉄粉等が用いられる。
【選択図】図1
Description
表1に示すホウ素除去剤を直径30mmのカラムに、25cmの充填層高となるように充填した。
酸化マグネシウムの平均粒径は0.5〜4mm、鉄粉の平均粒径は0.3〜2.5mmである。N−メチルグルカミン基を官能基として有するホウ素選択吸着樹脂粒としては、三菱化学株式会社製のダイヤイオン(同社登録商標)CRB 02(平均粒径0.45mm)を用いた。併用した酸化マグネシウムとホウ素選択吸着樹脂粒との体積比は50/50である。水酸化マグネシウムの平均粒径は0.1mmである。
表1には、ホウ素の地下水基準濃度(1mg/L以下)を超えたときまでの通水倍量(BV)も示してある。
3 汚染物質浄化層
10 汚染帯水層
Claims (7)
- 地中に壁状に形成された、汚染物質除去成分を有した水透過性の地下水浄化層に汚染地下水を透過させることにより地下水を浄化する方法において、
該汚染物質がホウ素であり、
該汚染物質除去成分が、アルカリ剤粒子と、N−メチルグルカミン基を官能基として有するホウ素選択吸着樹脂粒とを含むことを特徴とする地下水の浄化方法。 - 請求項1において、前記地下水浄化層において前記アルカリ剤粒子と前記ホウ素選択吸着樹脂粒とが混合状態となっていることを特徴とする地下水の浄化方法。
- 請求項1において、前記地下水浄化層は、地下水透過方向上流側に設けられた、前記アルカリ剤粒子の含有層と、下流側に設けられた、前記ホウ素選択吸着樹脂粒の含有層とを有することを特徴とする地下水の浄化方法。
- 請求項1ないし3のいずれか1項において、前記アルカリ剤粒子は、鉄粉、酸化マグネシウム、水酸化マグネシウム及びハイドロタルサイトの少なくとも1種を含むことを特徴とする地下水の浄化方法。
- 請求項1ないし4のいずれか1項において、前記地下水浄化層は、地下水透過方向最下流側に設けられた、中和用薬剤を含有した中和剤含有層を有することを特徴とする地下水の浄化方法。
- 請求項5において、該中和剤は、酸性白土、活性白土、珪藻土、腐植土、火山灰土壌、及び弱酸性イオン交換樹脂の少なくとも1種であることを特徴とする地下水の浄化方法。
- 請求項1ないし6のいずれか1項において、前記地下水浄化層が透水性材料を含有することを特徴とする地下水の浄化方法。
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JP2006338698A JP4905110B2 (ja) | 2006-12-15 | 2006-12-15 | 地下水の浄化方法 |
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JP2008149241A true JP2008149241A (ja) | 2008-07-03 |
JP4905110B2 JP4905110B2 (ja) | 2012-03-28 |
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Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0422436A (ja) * | 1990-05-17 | 1992-01-27 | Isao Konishi | 脱臭剤 |
JPH08206627A (ja) * | 1995-01-31 | 1996-08-13 | Chichibu Onoda Cement Corp | 魚貝類廃棄物の処理方法 |
JPH08257570A (ja) * | 1995-03-27 | 1996-10-08 | Dowa Mining Co Ltd | 汚染地下水の浄化方法 |
JPH0952716A (ja) * | 1995-08-18 | 1997-02-25 | Tetsugen:Kk | めっき廃液からのソフトフェライト用複合酸化物粉末の製造方法 |
JPH09271786A (ja) * | 1996-04-04 | 1997-10-21 | Ube Materials Kk | 水中で固結しない苦土系材料含有pH調整剤 |
JPH1057991A (ja) * | 1996-08-14 | 1998-03-03 | Chichibu Onoda Cement Corp | 浚渫泥土の処理材及び処理方法 |
JPH11290867A (ja) * | 1998-04-11 | 1999-10-26 | Nakadoi Riken Kk | ビタミンc含有セラミックス及びその製造方 法 |
JP2001340851A (ja) * | 2000-06-02 | 2001-12-11 | Nippon Denko Kk | ホウ素含有排水の処理方法及び処理装置 |
JP2002263640A (ja) * | 2001-03-08 | 2002-09-17 | Yamanashi Prefecture | 水中のホウ素除去方法 |
JP2002361246A (ja) * | 2001-06-07 | 2002-12-17 | Japan Organo Co Ltd | 飲料水の製造方法及び装置 |
JP2003039080A (ja) * | 2001-07-27 | 2003-02-12 | Taisei Corp | 地下水浄化構造及び地下水浄化方法 |
JP2003190969A (ja) * | 2001-12-27 | 2003-07-08 | Ube Material Industries Ltd | 酸性河川水の中和処理方法 |
JP2004283760A (ja) * | 2003-03-24 | 2004-10-14 | Kurita Water Ind Ltd | 地下水の浄化方法 |
JP2005185979A (ja) * | 2003-12-26 | 2005-07-14 | Taisei Corp | 浄化杭の構築方法 |
-
2006
- 2006-12-15 JP JP2006338698A patent/JP4905110B2/ja active Active
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0422436A (ja) * | 1990-05-17 | 1992-01-27 | Isao Konishi | 脱臭剤 |
JPH08206627A (ja) * | 1995-01-31 | 1996-08-13 | Chichibu Onoda Cement Corp | 魚貝類廃棄物の処理方法 |
JPH08257570A (ja) * | 1995-03-27 | 1996-10-08 | Dowa Mining Co Ltd | 汚染地下水の浄化方法 |
JPH0952716A (ja) * | 1995-08-18 | 1997-02-25 | Tetsugen:Kk | めっき廃液からのソフトフェライト用複合酸化物粉末の製造方法 |
JPH09271786A (ja) * | 1996-04-04 | 1997-10-21 | Ube Materials Kk | 水中で固結しない苦土系材料含有pH調整剤 |
JPH1057991A (ja) * | 1996-08-14 | 1998-03-03 | Chichibu Onoda Cement Corp | 浚渫泥土の処理材及び処理方法 |
JPH11290867A (ja) * | 1998-04-11 | 1999-10-26 | Nakadoi Riken Kk | ビタミンc含有セラミックス及びその製造方 法 |
JP2001340851A (ja) * | 2000-06-02 | 2001-12-11 | Nippon Denko Kk | ホウ素含有排水の処理方法及び処理装置 |
JP2002263640A (ja) * | 2001-03-08 | 2002-09-17 | Yamanashi Prefecture | 水中のホウ素除去方法 |
JP2002361246A (ja) * | 2001-06-07 | 2002-12-17 | Japan Organo Co Ltd | 飲料水の製造方法及び装置 |
JP2003039080A (ja) * | 2001-07-27 | 2003-02-12 | Taisei Corp | 地下水浄化構造及び地下水浄化方法 |
JP2003190969A (ja) * | 2001-12-27 | 2003-07-08 | Ube Material Industries Ltd | 酸性河川水の中和処理方法 |
JP2004283760A (ja) * | 2003-03-24 | 2004-10-14 | Kurita Water Ind Ltd | 地下水の浄化方法 |
JP2005185979A (ja) * | 2003-12-26 | 2005-07-14 | Taisei Corp | 浄化杭の構築方法 |
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